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

View the current warnings for New South Wales

Forecast issued at 3:55 am EDT on Wednesday 14 October 2026.

Weather Situation

Fresh south to southeasterly winds over Sydney Waters will gradually turn easterly midweek as a strong high pressure system passes to the south of the state. The high will then enter the Tasman Sea by late this week and become slow-moving, maintaining east to northeasterly winds through the weekend.

Forecast for Wednesday until midnight

Strong Wind Warning for Wednesday for Sydney Enclosed Waters

Winds
Southerly 20 to 30 knots decreasing to 15 to 25 knots in the afternoon.
Seas
Below 0.5 metres.
Weather
Cloudy.

Thursday 15 October

Winds
Southeast to southwesterly 10 to 15 knots tending southeasterly in the middle of the day then tending easterly in the late evening.
Seas
Below 0.5 metres.
Weather
Cloudy. 70% chance of showers.

Friday 16 October

Winds
Easterly 15 to 20 knots.
Seas
Below 0.5 metres.
Weather
Partly cloudy. 80% chance of showers.

Saturday 17 October

Winds
Easterly 10 to 15 knots.
Seas
Below 0.5 metres.
Weather
Partly cloudy. 70% chance of showers.

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 am EDT Wednesday.

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