Sydney Enclosed Waters Forecast: Sydney Harbour, Pittwater and Botany Bay

View the current warnings for New South Wales

Forecast issued at 4:05 am EST on Sunday 25 May 2025.

Weather Situation

A ridge of high pressure is extending across the north while a cold front approaching to the state from the west is passing to the south, maintaining northwesterly winds along the coast. Winds will turn more northerly on Monday ahead of a stronger cold front that will cross the Sydney Waters early Tuesday morning, with strong west to southwesterly wind change and large powerful waves in its wake.

Forecast for Sunday until midnight

Winds
North to northwesterly about 10 knots.
Seas
Below 0.5 metres.
Weather
Partly cloudy.

Monday 26 May

Winds
Northwesterly below 10 knots tending northerly 10 to 15 knots in the middle of the day.
Seas
Below 0.5 metres.
Weather
Partly cloudy. 80% chance of showers.

Tuesday 27 May

Winds
Northerly 10 to 15 knots turning westerly 20 to 30 knots during the day.
Seas
Below 0.5 metres.
Weather
Sunny.

Wednesday 28 May

Winds
Westerly 15 to 20 knots tending southwesterly during the morning.
Seas
Below 0.5 metres.
Weather
Partly cloudy.

Please be awareWind and wave forecasts are averages. Wind gusts can be 40 per cent stronger than the forecast, and stronger still in squalls and thunderstorms. Maximum waves can be twice the forecast height.

The next routine forecast will be issued at 4:05 pm EST Sunday.

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