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 Sunday 9 November 2025.

Weather Situation

Fresh southerly winds across Sydney Local Waters today. Coastal waters turn north to northwesterly under the influence of a high pressure ridge from Monday. The next cold front is forecast to move up the coast as a strong southerly change during Tuesday reaching Sydney during the afternoon before being replaced by the next high pressure system during Wednesday. The winds are expected to gradually turn north to northwesterly again during Wednesday, then freshen during Thursday as the next trough and cold front will approach from inland NSW.

Forecast for Sunday until midnight

Winds
Southerly 15 to 25 knots decreasing to 10 to 15 knots in the late evening.
Seas
Below 0.5 metres.
Weather
Mostly clear.

Monday 10 November

Winds
Variable about 10 knots becoming east to northeasterly 15 to 20 knots in the early afternoon then tending north to northeasterly in the evening.
Seas
Below 0.5 metres.
Weather
Mostly sunny.

Tuesday 11 November

Winds
Northerly about 10 knots becoming west to northwesterly before dawn then tending southwesterly 15 to 20 knots in the early afternoon.
Seas
Below 0.5 metres.
Weather
Sunny morning. 50% chance of showers in the afternoon and evening.

Wednesday 12 November

Winds
Southwesterly 10 to 15 knots shifting east to northeasterly during the afternoon then becoming north to northeasterly below 10 knots during the evening.
Seas
Below 0.5 metres.
Weather
Sunny.

Thursday 13 November

Winds
North to northwesterly below 10 knots tending northeasterly 10 to 15 knots during the day then turning north to northwesterly below 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 Sunday.

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