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

View the current warnings for New South Wales

Forecast issued at 10:00 am EDT on Wednesday 11 February 2026.

Weather Situation

A ridge lies over NSW waters, bringing easterly winds to Sydney waters. Winds will tend fresh northeasterly Wednesday ahead of a cold front which will bring a fresh to strong southerly change to Sydney waters on Thursday. Winds will turn southeasterly Friday then east to northeasterly Saturday and Sunday as another ridge forms over Sydney waters in the wake of the front.

Forecast for Wednesday until midnight

Winds
North to northeasterly below 10 knots becoming northeasterly 15 to 20 knots in the middle of the day then becoming northerly about 10 knots in the late evening.
Seas
Below 0.5 metres.
Weather
Mostly sunny.

Thursday 12 February

Strong Wind Warning for Thursday for Sydney Enclosed Waters

Winds
South to southwesterly 15 to 25 knots becoming southerly 20 to 30 knots in the early afternoon then decreasing to 15 to 25 knots in the evening.
Seas
Below 0.5 metres.
Weather
Cloudy. 60% chance of showers.

Friday 13 February

Winds
South to southeasterly 15 to 20 knots turning easterly 10 to 15 knots during the evening.
Seas
Below 0.5 metres.
Weather
Cloudy.

Saturday 14 February

Winds
Easterly about 10 knots increasing to 10 to 15 knots during the morning.
Seas
Below 0.5 metres.
Weather
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 EDT Wednesday.

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