Fairfax Media Network

Weather News

Sydney Harbour spills over into CBD due to supermoon

By David Marchese, Tuesday December 5, 2017 - 17:33 EDT
ABC licensed image
The walkway at Sydney's Royal Botanic garden underwater. - ABC licensed

A king tide prompted by a supermoon earlier this week has inundated areas around Sydney Harbour, with further record tides and flooding to come.



The tide reached 2.03 metres on Tuesday morning, with water spilling onto footpaths at the Royal Botanic Garden and flooding areas near the Fleet Steps.

The Bureau of Meteorology's duty forecaster Mohammed Nabi said high tide levels are expected to reach their highest for the year this week.

"Around this time of the year the gravitational pull of the sun combines with the gravitational pull of the moon to exacerbate high tide numbers," he said.

"So from here on, spring tide numbers will be slightly higher."

While water quickly receded in the afternoon, it was expected to rise again on Wednesday morning, reaching similar levels.



Mr Nabi said a supermoon experienced earlier this week is partly to blame, as well as the Earth's proximity to the sun.

"We are ever so slightly closer than at other times of the year, so what happens is that the sun plays a slightly bigger role as opposed to other times of the year when it's almost negligible."

A spokeswoman for the Royal Botanic Garden said the flooding was not unusual for this time of year and urged visitors to take care.

Tide levels are expected to drop from Thursday onwards.


- ABC

© ABC 2017

More breaking news

Sydney Morning Herald
ABC News
National Nine News
News Limited

Display Your Local Weather

Weather News

Blizzards followed by blue skies

18:56 EST

A strong cold front will bring a dumping of snow and damaging winds to the Alps later on Thursday into Friday.

Dribs and drabs for NSW

15:13 EST

After another week of little to no rainfall, inland parts of NSW could see rain moving in at the end of the week.

Portable flood monitors dropped into rivers could turn the tide in future emergencies

09:48 EST

They may look like rubbish floating on the river, but these high-tech PVC pipes could be a crucial line of defence next time fast-rising floodwaters threaten homes.