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

View the current warnings for New South Wales

Forecast issued at 4:05 pm EDT on Saturday 11 October 2025.

Weather Situation

Westerly winds are forecast to develop on Sunday ahead of a cold front bringing a southerly change to Sydney Waters on Monday morning. After this, winds will tend northerly a ridge of high pressure develops. A trough may bring a brief southeasterly change later Tuesday.

Forecast for Saturday until midnight

Winds
Northeasterly 10 to 15 knots shifting west to northwesterly below 10 knots in the late afternoon.
Seas
Below 0.5 metres.
Weather
Clear.

Sunday 12 October

Winds
North to northwesterly below 10 knots tending west to northwesterly 15 to 20 knots in the middle of the day then decreasing to below 10 knots in the late evening.
Seas
Below 0.5 metres.
Weather
Partly cloudy. 50% chance of showers.

Monday 13 October

Winds
West to northwesterly about 10 knots tending south to southwesterly 15 to 20 knots in the middle of the day then tending south to southeasterly 15 to 25 knots in the early afternoon.
Seas
Below 0.5 metres.
Weather
Sunny.

Tuesday 14 October

Winds
North to northwesterly below 10 knots tending north to northeasterly 10 to 15 knots during the day then turning east to southeasterly during the afternoon.
Seas
Below 0.5 metres.
Weather
Sunny.

Wednesday 15 October

Winds
Variable about 10 knots becoming east to northeasterly 15 to 20 knots during the morning then becoming north to northeasterly about 10 knots during the evening.
Seas
Below 0.5 metres.
Weather
Mostly sunny.

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 Saturday.

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