North to northeasterly 15/25 knots, reaching up to 30 knots offshore south of Port Stephens in the late evening. Seas: 1.5/2.5 metres. Swell: Southerly 1.5 metres, decreasing to around 1 metre by early evening. Outlook Tuesday: Northeasterly 20/25 knots tending northerly 15/25 knots before dawn. Winds reaching up to 30 knots early in the morning. Seas: 2/3 metres, decreasing below 1.5 metres during the morning. Swell: Southeasterly 2/3 metres, tending northeast to southeasterly 1.5/2 metres around dawn, then tending northeasterly 1/1.5 metres around midday. Weather: The chance of thunderstorms north of Norah Head developing in the early afternoon, clearing in the afternoon, then the chance of thunderstorms in the late afternoon and evening. Outlook Wednesday: Northwest to northeasterly 15/20 knots tending southeast to southwesterly during the morning then tending northeast to southeasterly 10/15 knots during the evening. Seas: 1/1.5 metres, decreasing below 1 metre during the morning. Swell: Northeasterly 1/1.5 metres, decreasing to around 1 metre during the afternoon.Issued Mon 04:10 EDT
17:08 EDT A high pressure ridge cleared skies and a cool air mass created the perfect conditions for temperatures to drop well below the monthly average in parts of New South Wales.