Sydney Coastal Waters Forecast: Broken Bay to Port Hacking

View the current warnings for New South Wales

Forecast issued at 10:00 am EDT on Tuesday 11 November 2025.

Weather Situation

A cold front and its associated trough are forecast to travel up the coast on Tuesday, bringing a strong and gusty southerly wind change in its wake. Southerly winds will gradually weaken and turn east to northeasterly through midweek as another high pressure system drifts across the state. Then, a trough brushing the southern and central parts of the coast will bring a brief southerly change later in the week.

Forecast for Tuesday until midnight

Gale Warning for Tuesday for Sydney Coast

Winds
West to northwesterly 10 to 15 knots tending northwest to northeasterly 15 to 25 knots in the early afternoon then tending southerly 25 to 30 knots in the evening. Winds reaching up to 35 knots offshore in the evening.
Seas
Below 1 metre, increasing to 1.5 to 2 metres by early evening.
Swell
Southerly around 1 metre, increasing to 1.5 to 2 metres by early evening.
Weather
Partly cloudy. 50% chance of showers. A thunderstorm likely in the afternoon and early evening.

Wednesday 12 November

Strong Wind Warning for Wednesday for Sydney Coast

Winds
Southerly 15 to 20 knots, reaching up to 30 knots offshore early in the morning. Winds tending southwesterly before dawn then shifting east to northeasterly 10 to 15 knots in the early afternoon.
Seas
2 to 3 metres, decreasing to 1 to 2 metres during the morning, then decreasing below 1 metre around midday.
Swell
Southerly 1.5 to 2.5 metres.
Weather
Sunny.

Thursday 13 November

Winds
North to northeasterly 10 to 15 knots tending north to northwesterly during the morning then tending north to northeasterly 15 to 20 knots during the day.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon or evening.
Swell
Southerly 1.5 metres, decreasing to around 1 metre during the morning.
Weather
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.

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The next routine forecast will be issued at 4:05 pm EDT Tuesday.

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