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

View the current warnings for New South Wales

Forecast issued at 4:26 pm EDT on Thursday 1 January 2026.

Weather Situation

Moderate to fresh southerly winds are continuing as a high passing to the south of the state extends a ridge in the wake of a trough that moved through Sydney Waters this morning. Winds will gradually turn easterly on Friday, then northeasterly during the weekend through early next week, as the high enters the Tasman Sea and maintains a ridge across the coastal waters.

Forecast for Thursday until midnight

Winds
Southerly 15 to 20 knots tending southeasterly in the evening.
Seas
Below 0.5 metres.
Weather
Cloudy.

Friday 2 January

Winds
South to southeasterly 10 to 15 knots becoming east to southeasterly about 10 knots in the early morning.
Seas
Below 0.5 metres.
Weather
Partly cloudy.

Saturday 3 January

Winds
East to northeasterly below 10 knots becoming northerly in the early morning then tending northeasterly 15 to 20 knots in the morning.
Seas
Below 0.5 metres.
Weather
Partly cloudy. The chance of a thunderstorm in the afternoon and evening.

Sunday 4 January

Winds
North to northeasterly 10 to 15 knots decreasing to about 10 knots during the evening.
Seas
Below 0.5 metres.
Weather
Partly cloudy. 70% chance of showers. A thunderstorm likely.

Monday 5 January

Winds
Variable below 10 knots becoming south to southeasterly 10 to 15 knots during the morning.
Seas
Below 0.5 metres.
Weather
Partly cloudy. The chance of a thunderstorm in the morning and afternoon.

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 EDT Thursday.

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