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

View the current warnings for New South Wales

Forecast issued at 4:05 pm EST on Sunday 3 May 2026.

Weather Situation

A strong high-pressure system near New Zealand is extending a ridge over New South Wales coastal waters, maintaining northeast to southeasterly winds. Winds continue to remain fresh north to northeasterly during the today as a cold front and its associated trough approach the state, before a shift to south to southwesterly winds later in the week in the systems wake.

Forecast for Sunday until midnight

Winds
Northeasterly 15 to 20 knots turning northerly 10 to 15 knots in the late evening.
Seas
Below 0.5 metres.
Weather
Mostly clear.

Monday 4 May

Winds
Northerly 10 to 15 knots becoming northwesterly below 10 knots in the late evening.
Seas
Below 0.5 metres.
Weather
Partly cloudy. 95% chance of showers. The chance of a thunderstorm in the afternoon and evening.

Tuesday 5 May

Winds
Northwesterly below 10 knots becoming west to southwesterly before dawn.
Seas
Below 0.5 metres.
Weather
Sunny.

Wednesday 6 May

Winds
West to southwesterly below 10 knots becoming east to northeasterly during the day then becoming north to northwesterly during the evening.
Seas
Below 0.5 metres.
Weather
Sunny.

Thursday 7 May

Winds
Northwesterly below 10 knots tending westerly 15 to 20 knots 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 10:00 pm EST Sunday.

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