Sydney Coastal Waters Forecast: Broken Bay to Port Hacking

No warnings for New South Wales

Forecast updated at 4:34 am EDT on Thursday 11 December 2025.

Weather Situation

Southerly winds persisting about the southern half of the coast as a trough stalls off the Hunter and Sydney coast. Winds will tend east to northeasterly from today as a high pressure system gradually drifts into the Tasman Sea, with winds turning northerly over the weekend. The next southerly change is expected during Sunday and Monday.

Forecast for Thursday until midnight

Winds
Southerly 15 to 20 knots turning southeasterly during the morning and early afternoon. Winds reaching up to 25 knots offshore in the late afternoon.
Seas
1 to 1.5 metres.
Swell
Southerly below 1 metre.
Weather
Partly cloudy. 50% chance of showers. The chance of a thunderstorm.

Friday 12 December

Winds
East to southeasterly 10 to 15 knots turning northeasterly in the late morning.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell
Easterly around 1 metre.
Weather
Cloudy. 80% chance of showers. The chance of a thunderstorm in the afternoon and evening.

Saturday 13 December

Winds
Northeasterly 10 to 15 knots tending northerly 15 to 20 knots during the morning.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore during the afternoon or evening.
Swell
Easterly around 1 metre.
Weather
Mostly sunny. The chance of a thunderstorm in the afternoon and evening.

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.

Nearby Coastal Waters

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The next routine forecast will be issued at 10:00 am EDT Thursday.

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