Wallabi Group

Wallabi Group Weather

This morning, fog became widespread across New South Wales, plunging large areas into low visibility, including Sydney. Fog has lifted and burnt off in most areas, but is lingering well into the day in some inland places.
This morning, fog led to low visibility across large areas of New South Wales, including Sydney, and is still lingering in some inland areas.
By about 9am, fog had lifted and burnt off in most areas (mainly near the coast), and an hour or so later was still lingering in some inland places due to the calmness of the wind. At Bathurst Airport, fog lingered until about 10:30am.
In Sydney, fog was thickest in the west, as usual, but travelled from there along the Parramatta River in a conveyor belt of light winds, smothering the CBD's tall buildings.
<span class="EOP CommentStart CommentHighlightPipeRest PointComment CommentHighlightRest SCXW106005583 BCX0" style="-webkit-user-drag: none; -webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; user-select: text; background-color: rgba(209, 209, 209, 0.5); box-shadow: #424242 -1px 0px 0px 0px !important; color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: pre-wrap; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 11pt; line-height: 19.55px; font-family: Arial, Arial_EmbeddedFont, Arial_MSFontService, sans-serif;" data-ccp-props="{"><img src="https://news-images.weatherzone.com.au/Visibility%20NSW%202025-05-17%207am.png" alt="" width="532" height="485" />
<span class="EOP CommentStart CommentHighlightPipeRest PointComment CommentHighlightRest SCXW106005583 BCX0" style="-webkit-user-drag: none; -webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; user-select: text; background-color: rgba(209, 209, 209, 0.5); box-shadow: #424242 -1px 0px 0px 0px !important; color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: pre-wrap; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 11pt; line-height: 19.55px; font-family: Arial, Arial_EmbeddedFont, Arial_MSFontService, sans-serif;" data-ccp-props="{"><span class="TextRun SCXW27232460 BCX0" lang="EN-AU" style="-webkit-user-drag: none; -webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; user-select: text; font-variant-ligatures: none !important; color: #000000; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: pre-wrap; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 11pt; font-style: italic; line-height: 19.55px; font-family: Arial, Arial_EmbeddedFont, Arial_MSFontService, sans-serif;" xml:lang="EN-AU" data-contrast="auto">Image: Low cloud and fog and observations of visibility in metres at 7am, indicating many locations with visibility below 1000 metres.<span class="EOP SCXW27232460 BCX0" style="-webkit-user-drag: none; -webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; user-select: text; color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: pre-wrap; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 11pt; line-height: 19.55px; font-family: Arial, Arial_EmbeddedFont, Arial_MSFontService, sans-serif;" data-ccp-props="{">&nbsp;
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<span class="EOP CommentStart CommentHighlightPipeRest PointComment CommentHighlightRest SCXW106005583 BCX0" style="-webkit-user-drag: none; -webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; user-select: text; background-color: rgba(209, 209, 209, 0.5); box-shadow: #424242 -1px 0px 0px 0px !important; color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: pre-wrap; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 11pt; line-height: 19.55px; font-family: Arial, Arial_EmbeddedFont, Arial_MSFontService, sans-serif;" data-ccp-props="{"><img src="https://news-images.weatherzone.com.au/Visibility%20NSW%202025-05-17%209am.png" alt="" width="527" height="482" />
<span class="EOP CommentStart CommentHighlightPipeRest PointComment CommentHighlightRest SCXW106005583 BCX0" style="-webkit-user-drag: none; -webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; user-select: text; background-color: rgba(209, 209, 209, 0.5); box-shadow: #424242 -1px 0px 0px 0px !important; color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: pre-wrap; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 11pt; line-height: 19.55px; font-family: Arial, Arial_EmbeddedFont, Arial_MSFontService, sans-serif;" data-ccp-props="{"><span class="TextRun SCXW16308106 BCX0" lang="EN-AU" style="-webkit-user-drag: none; -webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; user-select: text; font-variant-ligatures: none !important; color: #000000; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: pre-wrap; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 11pt; font-style: italic; line-height: 19.55px; font-family: Arial, Arial_EmbeddedFont, Arial_MSFontService, sans-serif;" xml:lang="EN-AU" data-contrast="auto">Image: Low cloud and fog and observations of visibility in metres at 9am, indicating fog persisting along the ranges and slopes while the coast becomes mostly clear.<span class="EOP SCXW16308106 BCX0" style="-webkit-user-drag: none; -webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; user-select: text; color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: pre-wrap; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 11pt; line-height: 19.55px; font-family: Arial, Arial_EmbeddedFont, Arial_MSFontService, sans-serif;" data-ccp-props="{">&nbsp;
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<span class="EOP CommentStart CommentHighlightPipeRest PointComment CommentHighlightRest SCXW106005583 BCX0" style="-webkit-user-drag: none; -webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; user-select: text; background-color: rgba(209, 209, 209, 0.5); box-shadow: #424242 -1px 0px 0px 0px !important; color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: pre-wrap; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 11pt; line-height: 19.55px; font-family: Arial, Arial_EmbeddedFont, Arial_MSFontService, sans-serif;" data-ccp-props="{"><img src="https://news-images.weatherzone.com.au/Visibility%20NSW%202025-05-17%201030am.png" alt="" width="524" height="478" />
<span class="EOP CommentStart CommentHighlightPipeRest PointComment CommentHighlightRest SCXW106005583 BCX0" style="-webkit-user-drag: none; -webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; user-select: text; background-color: rgba(209, 209, 209, 0.5); box-shadow: #424242 -1px 0px 0px 0px !important; color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: pre-wrap; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 11pt; line-height: 19.55px; font-family: Arial, Arial_EmbeddedFont, Arial_MSFontService, sans-serif;" data-ccp-props="{"><span class="TextRun SCXW39716412 BCX0" lang="EN-AU" style="-webkit-user-drag: none; -webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; user-select: text; font-variant-ligatures: none !important; color: #000000; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: pre-wrap; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 11pt; font-style: italic; line-height: 19.55px; font-family: Arial, Arial_EmbeddedFont, Arial_MSFontService, sans-serif;" xml:lang="EN-AU" data-contrast="auto">Image: Low cloud and fog and observations of visibility in <span class="NormalTextRun ContextualSpellingAndGrammarErrorV2Themed SCXW39716412 BCX0" style="-webkit-user-drag: none; -webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; user-select: text; background-position: 0px 100%; background-repeat: repeat-x; border-bottom: 1px solid transparent;">metres <span class="NormalTextRun ContextualSpellingAndGrammarErrorV2Themed SCXW39716412 BCX0" style="-webkit-user-drag: none; -webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; user-select: text; background-position: 0px 100%; background-repeat: repeat-x; border-bottom: 1px solid transparent;">at 10:30am, indicating Bathurst area under low cloud and in low visibility.<span class="EOP SCXW39716412 BCX0" style="-webkit-user-drag: none; -webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; user-select: text; color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: pre-wrap; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 11pt; line-height: 19.55px; font-family: Arial, Arial_EmbeddedFont, Arial_MSFontService, sans-serif;" data-ccp-props="{">&nbsp;
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At the fog's thickest, visibility was reduced to less than 50 metres in Camden and Goulburn, and less than 100 metres in Richmond, Cooma, Bathurst, Mudgee, Maitland, Port Macquarie, Tamworth and Armidale, a hazard for those on the road. At Bathurst Airport, visibility was still as low as 500 metres until 10:30am.
This fog was a result of recent rain due to a trough, then calming winds and clearing skies due to a high. The rain had ensured high humidity on and near the ground, then calming winds and clearing skies allowed it to cool enough overnight for the high humidity to be converted into low cloud and fog.
Looking ahead to tonight and tomorrow morning across NSW, fog is unlikely to be as widespread or as long-lasting due to strengthening winds reducing overnight cooling. These strengthening winds will be a result of a developing low pressure system, which will bring significant rain to the state's east during the next few days, but that's another <a title="story" href="https://www.weatherzone.com.au/news/eastern-nsw-bracing-for-heavy-rain/1890586">story</a>.


This morning, fog became widespread across New South Wales, plunging large areas into low visibility, including Sydney. Fog has lifted and burnt off in most areas, but is lingering well into the day in some inland places.


This morning, fog led to low visibility across large areas of New South Wales, including Sydney, and is still lingering in some inland areas.


By about 9am, fog had lifted and burnt off in most areas (mainly near the coast), and an hour or so later was still lingering in some inland places due to the calmness of the wind. At Bathurst Airport, fog lingered until about 10:30am.


In Sydney, fog was thickest in the west, as usual, but travelled from there along the Parramatta River in a conveyor belt of light winds, smothering the CBD's tall buildings.





Image: Low cloud and fog and observations of visibility in metres at 7am, indicating many locations with visibility below 1000 metres. 


 





Image: Low cloud and fog and observations of visibility in metres at 9am, indicating fog persisting along the ranges and slopes while the coast becomes mostly clear. 


 





Image: Low cloud and fog and observations of visibility in metres at 10:30am, indicating Bathurst area under low cloud and in low visibility. 


 


At the fog's thickest, visibility was reduced to less than 50 metres in Camden and Goulburn, and less than 100 metres in Richmond, Cooma, Bathurst, Mudgee, Maitland, Port Macquarie, Tamworth and Armidale, a hazard for those on the road. At Bathurst Airport, visibility was still as low as 500 metres until 10:30am.


This fog was a result of recent rain due to a trough, then calming winds and clearing skies due to a high. The rain had ensured high humidity on and near the ground, then calming winds and clearing skies allowed it to cool enough overnight for the high humidity to be converted into low cloud and fog.


Looking ahead to tonight and tomorrow morning across NSW, fog is unlikely to be as widespread or as long-lasting due to strengthening winds reducing overnight cooling. These strengthening winds will be a result of a developing low pressure system, which will bring significant rain to the state's east during the next few days, but that's another story.


This morning, fog became widespread across New South Wales, plunging large areas into low visibility, including Sydney. Fog has lifted and burnt off in most ar

NSW fog lingers longer inland

A weekend cold front will bring the first significant snowfall of the year to Australia's mainland alpine region.
We use the term "significant" because brief, light snow has already been recorded in the high country of NSW and Victoria <a href="https://www.weatherzone.com.au/news/light-snow-and-widespread-chilly-temperatures/1890554">this autumn</a> and even once in <a href="https://www.weatherzone.com.au/news/summer-snow-and-nearrecord-lows/1890372">late summer</a>, while a heavy fall created <a href="https://www.weatherzone.com.au/news/snow-blankets-tasmania-chill-spreads-to-se-mainland/1890568">spectacular vistas</a> in Tasmania last week.
Snow is predicted to fall to elevations as low as 900 metres by Sunday morning as a trough and associated cold front cross southeastern Australia. That&rsquo;s a relatively low snow level for any system &ndash; especially one outside of winter.
<img src="https://news-images.weatherzone.com.au/wz/Synoptic_chart_18may.jpg" alt="" width="1280" height="720" />
Image: Synoptic chart for Sunday, May 18, showing air flowing towards SE Australia from a south to southeasterly direction.
A good 5cm of snow should accumulate at higher elevations, with the chance of slightly heavier falls as the cold airstream behind the front drags in moisture from the southern Tasman Sea, which is currently much warmer than usual for this time of year.
<img src="https://news-images.weatherzone.com.au/wz/SSTs_May14.jpg" alt="" width="880" height="693" />
Image: Sea surface temperature anomalies on Wednesday, May 14, 2025. Source: <a href="http://www.bom.gov.au/products/IDYOC052.SE_Aust.SSTAnomaly.shtml">BoM</a>.
Unfortunately, this weekend's snowfall will likely do little to provide a skiable base for the traditional King&rsquo;s Birthday long weekend snow season opening for two reasons:
<ul>
<li>Any accumulated snow is set to be washed away by showers next week, as slightly warmer winds with a more easterly aspect set in.&nbsp;</li>
<li>It's also worth noting that mid-May snowfalls in recent years have tended to melt before June even when they weren&rsquo;t immediately followed by rain.</li>
</ul>
But the impending snow will still set a welcome wintry tone in the mountains. There are also promising signs of a potentially stronger cold front towards the end of next week.
It remains to be seen whether any of the coming systems will deliver enough snow for lifts to be spinning (outside of snowmaking areas) on the season opening of Saturday, June 7.
The long weekend falls on the second Monday in June each year (June 9 in 2025), meaning this year&rsquo;s long weekend is the earliest since 2020.
<a href="https://www.weatherzone.com.au/news/australias-snow-season-forecast-2025-slow-start-then-promising-second-half/1890585">READ MORE: Australia's snow season forecast 2025: Slow start then promising second half</a>
But when there is any snow at all on the horizon, snow lovers can dare to dream of a decent start to the ski season &ndash; even though our overall snow season forecast points towards the likelihood of more consistent snowfalls in the latter part of winter.


A weekend cold front will bring the first significant snowfall of the year to Australia's mainland alpine region.


We use the term "significant" because brief, light snow has already been recorded in the high country of NSW and Victoria this autumn and even once in late summer, while a heavy fall created spectacular vistas in Tasmania last week.


Snow is predicted to fall to elevations as low as 900 metres by Sunday morning as a trough and associated cold front cross southeastern Australia. That’s a relatively low snow level for any system – especially one outside of winter.





Image: Synoptic chart for Sunday, May 18, showing air flowing towards SE Australia from a south to southeasterly direction.


A good 5cm of snow should accumulate at higher elevations, with the chance of slightly heavier falls as the cold airstream behind the front drags in moisture from the southern Tasman Sea, which is currently much warmer than usual for this time of year.





Image: Sea surface temperature anomalies on Wednesday, May 14, 2025. Source: BoM.


Unfortunately, this weekend's snowfall will likely do little to provide a skiable base for the traditional King’s Birthday long weekend snow season opening for two reasons:




Any accumulated snow is set to be washed away by showers next week, as slightly warmer winds with a more easterly aspect set in. 


It's also worth noting that mid-May snowfalls in recent years have tended to melt before June even when they weren’t immediately followed by rain.




But the impending snow will still set a welcome wintry tone in the mountains. There are also promising signs of a potentially stronger cold front towards the end of next week.


It remains to be seen whether any of the coming systems will deliver enough snow for lifts to be spinning (outside of snowmaking areas) on the season opening of Saturday, June 7.


The long weekend falls on the second Monday in June each year (June 9 in 2025), meaning this year’s long weekend is the earliest since 2020.


READ MORE: Australia's snow season forecast 2025: Slow start then promising second half


But when there is any snow at all on the horizon, snow lovers can dare to dream of a decent start to the ski season – even though our overall snow season forecast points towards the likelihood of more consistent snowfalls in the latter part of winter.


With the 2025 ski season opening just three weeks away, snow is on the horizon.

First significant mainland snowfall this weekend

A burst of wintry weather will hit Melbourne this weekend, with blustery winds, showers and single digit feels like temperatures.
Melbourne experienced a long run of <a href="https://www.weatherzone.com.au/news/when-will-melbournes-warm-dry-spell-end/1890583">abnormally warm weather</a> during the first two weeks of May, with maximum temperatures frequently hitting the low-to-mid 20s, well above the average of 16.8&deg;C for this time of year.
This run of warmth is about to come to an end though, with a cold front set to crash into Victoria and send temperatures plummeting over the weekend.
The front will sweep through on Friday night into Saturday morning, bringing cold southerly winds and showers. These showers will continue over southern and eastern Victoria on Saturday before contracting to the state&rsquo;s east on Sunday.
<img src="https://news-images.weatherzone.com.au/twc/aus_850tempwind_20250516.png" alt="" width="1080" height="1080" />
Image: Forecast 850hPa temperature and wind, showing cold air over southeastern Australia on Saturday night.
Melbourne will be cold and wet on Saturday before drying out but remaining chilly on Sunday. Daytime temperatures are forecast to reach 14&deg;C on Saturday and 15&deg;C on Sunday, which would make this the city&rsquo;s coldest weekend in 8 months. However, a combination of cloud, cold air and southerly winds should make the temperature feel lower than 10&deg;C for most of the weekend in Melbourne.
Anyone heading out for Saturday sport &ndash; whether it&rsquo;s watching the kids at the local oval or heading to the <a href="https://www.afl.com.au/afl/matches/7047">MCG for the AFL</a> &ndash; should take something to keep warm and dry.
<a href="https://www.weatherzone.com/au/app?utm_source=website&amp;utm_medium=referral&amp;utm_campaign=20250516_news_cold-and-wet-weekend-ahead-for-melbourne"><img src="https://news-images.weatherzone.com.au/twc/Weatherzone%20app%20-%20forecast%20graph%20-%20Melbourne%20Vic.png" alt="" width="1080" height="1350" /></a>
Image: Hourly forecast for Melbourne on the <a href="https://www.weatherzone.com/au/app?utm_source=website&amp;utm_medium=referral&amp;utm_campaign=20250516_news_cold-and-wet-weekend-ahead-for-melbourne">Weatherzone app</a>.
This weekend&rsquo;s chill will also be felt in other parts of southeastern Australia. Temperatures in Hobart are only expected to reach 11 to 13&deg;C over the weekend, while snow should settle on mountains in Tasmania, Victoria and NSW.
This system is a timely reminder that winter is only two weeks away in Australia.


A burst of wintry weather will hit Melbourne this weekend, with blustery winds, showers and single digit feels like temperatures.


Melbourne experienced a long run of abnormally warm weather during the first two weeks of May, with maximum temperatures frequently hitting the low-to-mid 20s, well above the average of 16.8°C for this time of year.


This run of warmth is about to come to an end though, with a cold front set to crash into Victoria and send temperatures plummeting over the weekend.


The front will sweep through on Friday night into Saturday morning, bringing cold southerly winds and showers. These showers will continue over southern and eastern Victoria on Saturday before contracting to the state’s east on Sunday.





Image: Forecast 850hPa temperature and wind, showing cold air over southeastern Australia on Saturday night.


Melbourne will be cold and wet on Saturday before drying out but remaining chilly on Sunday. Daytime temperatures are forecast to reach 14°C on Saturday and 15°C on Sunday, which would make this the city’s coldest weekend in 8 months. However, a combination of cloud, cold air and southerly winds should make the temperature feel lower than 10°C for most of the weekend in Melbourne.


Anyone heading out for Saturday sport – whether it’s watching the kids at the local oval or heading to the MCG for the AFL – should take something to keep warm and dry.





Image: Hourly forecast for Melbourne on the Weatherzone app.


This weekend’s chill will also be felt in other parts of southeastern Australia. Temperatures in Hobart are only expected to reach 11 to 13°C over the weekend, while snow should settle on mountains in Tasmania, Victoria and NSW.


This system is a timely reminder that winter is only two weeks away in Australia.


A burst of wintry weather will hit Melbourne this weekend, with blustery winds, showers and single digit feels like temperatures.

Cold and wet weekend ahead for Melbourne

A period of intense rain and damaging winds will hit parts of eastern NSW early next week, with flooding likely in some parts of the state.
A pair of low pressure troughs are already causing showers over a broad area of Australia this week, with the satellite image below showing plenty of cloud above NSW and Qld on Thursday.
<img src="https://news-images.weatherzone.com.au/twc/aus_satellite_20250515.gif" alt="" width="960" height="540" />
Image: Visible true-colour satellite image showing cloud over Australia on Thursday afternoon.
Some of this rain has been heavy, showing that the atmosphere is holding plenty of moisture. In the 24 hours ending at 9am on Thursday, Moree Airport in northern NSW collected 47.4 mm, which was the site's heaviest May rain in records dating back to 1995.
The pair of troughs will continue to cause showers and a few thunderstorms over parts of NSW and Qld during the next few days, including locally heavy falls. This wet end to the week will be a preview of a period of much heavier rain over eastern NSW early next week.
A cut-off upper-level low pressure system will cause a surface-based low pressure trough to deepen near the NSW coast from Sunday into early next week. This deepening coastal trough, which may also contain an embedded low pressure system, should produce two-to-three days of heavy rain and blustery winds from about Sunday to Tuesday.
While there is some model disagreement regarding the location, duration and intensity of this rain and wind event, the most likely area to be affected will be the central coast and ranges of NSW from Sydney and the Blue Mountains up to the Mid North Coast, including the Hunter.
<img src="https://news-images.weatherzone.com.au/twc/nsw_rain_ecmwf_20250515.png" alt="" width="1080" height="1080" />
Image: Forecast accumulated rain during the 7 days ending at 10pm AEST on Wednesday, May 21, according to the ECMWF-HRES model.
<img src="https://news-images.weatherzone.com.au/twc/nsw_rain_gfs_20250515.png" alt="" width="1080" height="1080" />
Image: Forecast accumulated rain during the 7 days ending at 4am AEST on Thursday, May 22, according to the ECMWF-HRES model.
Based on current model guidance, accumulated rainfall totals of 100 to 200 mm are likely between Sunday and Tuesday, with isolated falls of about 300 to 400 mm. This rain will be falling onto ground that is already wet from recent rainfall, including what&rsquo;s falling this week, which will heighten the risk of flooding.
In addition to the rain, the coastal trough and embedded low will cause powerful onshore winds that could produce damaging gusts and large waves in some areas during Monday and Tuesday.
<img src="https://news-images.weatherzone.com.au/twc/nsw_wind_ecmwf_20250515.png" alt="" width="1080" height="1080" />
Image: Forecast wind gusts at 4pm AEST on Monday, May 19, according to the ECMWF model.
Most forecast models suggest the trough will move away from the NSW coast on Wednesday, allowing rain and wind to ease. However, this won&rsquo;t be the end of the dangerous weather.
A cold front sweeping over southeastern Australia in the middle of next week will drive cold south to southwesterly winds across eastern NSW on Thursday. These cold winds may become strong enough to bring down trees in the rain-softened soil when they reach their peak strength on Thursday.
This is a dynamic weather system and details may change from day to day. Anyone living in eastern NSW, particularly between Sydney and Coffs Harbour, should keep a close eye in the latest forecasts and <a href="https://www.weatherzone.com.au/warnings">warnings</a> in the coming week.


A period of intense rain and damaging winds will hit parts of eastern NSW early next week, with flooding likely in some parts of the state.


A pair of low pressure troughs are already causing showers over a broad area of Australia this week, with the satellite image below showing plenty of cloud above NSW and Qld on Thursday.





Image: Visible true-colour satellite image showing cloud over Australia on Thursday afternoon.


Some of this rain has been heavy, showing that the atmosphere is holding plenty of moisture. In the 24 hours ending at 9am on Thursday, Moree Airport in northern NSW collected 47.4 mm, which was the site's heaviest May rain in records dating back to 1995.


The pair of troughs will continue to cause showers and a few thunderstorms over parts of NSW and Qld during the next few days, including locally heavy falls. This wet end to the week will be a preview of a period of much heavier rain over eastern NSW early next week.


A cut-off upper-level low pressure system will cause a surface-based low pressure trough to deepen near the NSW coast from Sunday into early next week. This deepening coastal trough, which may also contain an embedded low pressure system, should produce two-to-three days of heavy rain and blustery winds from about Sunday to Tuesday.


While there is some model disagreement regarding the location, duration and intensity of this rain and wind event, the most likely area to be affected will be the central coast and ranges of NSW from Sydney and the Blue Mountains up to the Mid North Coast, including the Hunter.





Image: Forecast accumulated rain during the 7 days ending at 10pm AEST on Wednesday, May 21, according to the ECMWF-HRES model.





Image: Forecast accumulated rain during the 7 days ending at 4am AEST on Thursday, May 22, according to the ECMWF-HRES model.


Based on current model guidance, accumulated rainfall totals of 100 to 200 mm are likely between Sunday and Tuesday, with isolated falls of about 300 to 400 mm. This rain will be falling onto ground that is already wet from recent rainfall, including what’s falling this week, which will heighten the risk of flooding.


In addition to the rain, the coastal trough and embedded low will cause powerful onshore winds that could produce damaging gusts and large waves in some areas during Monday and Tuesday.





Image: Forecast wind gusts at 4pm AEST on Monday, May 19, according to the ECMWF model.


Most forecast models suggest the trough will move away from the NSW coast on Wednesday, allowing rain and wind to ease. However, this won’t be the end of the dangerous weather.


A cold front sweeping over southeastern Australia in the middle of next week will drive cold south to southwesterly winds across eastern NSW on Thursday. These cold winds may become strong enough to bring down trees in the rain-softened soil when they reach their peak strength on Thursday.


This is a dynamic weather system and details may change from day to day. Anyone living in eastern NSW, particularly between Sydney and Coffs Harbour, should keep a close eye in the latest forecasts and warnings in the coming week.


A period of intense rain and damaging winds will hit parts of eastern NSW early next week, with flooding likely in some parts of the state.

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