Sydney Coastal Waters Forecast: Broken Bay to Port Hacking

View the current warnings for New South Wales

Forecast issued at 4:00 am EDT on Friday 21 November 2025.

Weather Situation

A trough is slowly moving along the coast stalling about Mid North Coast today. Winds tending east to northeasterly again over the weekend as another high moves into the Tasman Sea and a trough lingers about the coast.

Forecast for Friday until midnight

Winds
Southerly 15 to 20 knots turning southeasterly in the morning.
Seas
1.5 to 2 metres.
1st Swell
Southerly below 1 metre, increasing to 1 to 1.5 metres during the morning, then tending southeasterly 1.5 metres during the afternoon.
2nd Swell
Northeasterly around 1 metre.
Weather
Cloudy. The chance of a thunderstorm offshore late this afternoon and evening.

Saturday 22 November

Winds
East to southeasterly 10 to 15 knots, reaching up to 20 knots offshore in the late afternoon. Winds turning northeasterly in the late evening.
Seas
Around 1 metre.
1st Swell
Southerly 1 to 1.5 metres, decreasing below 1 metre during the morning.
2nd Swell
Southeasterly 1 to 1.5 metres.
Weather
Cloudy. 70% chance of showers. The chance of a thunderstorm offshore at night.

Sunday 23 November

Winds
Northwest to northeasterly 10 to 15 knots tending east to southeasterly during the day then tending south to southeasterly during the evening.
Seas
Below 1 metre.
Swell
Southeasterly 1.5 metres, decreasing to around 1 metre during the afternoon.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the morning and afternoon.

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 10:00 am EDT Friday.

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