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 Tuesday 18 November 2025.

Weather Situation

A ridge extends across the state from the west. Fresh northeasterly winds will develop later today as the ridge extends to the Tasman Sea and a high pressure system forms within it. The next trough will cross the southern and central parts of the coast midweek and will bring another south to southeasterly wind change in its wake, before stalling about Hunter or Mid North Coast later in the week.

Forecast for Tuesday until midnight

Winds
West to southwesterly 10 to 15 knots becoming west to northwesterly below 10 knots in the morning then tending northeasterly 15 to 20 knots in the middle of the day.
Seas
Around 1 metre, increasing to 1 to 1.5 metres by early evening.
Swell
Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the morning.
Weather
Sunny.

Wednesday 19 November

Winds
Northerly 15 to 20 knots turning northeasterly in the middle of the day. Winds reaching up to 25 knots offshore in the evening.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southerly around 1 metre.
2nd Swell
Northeasterly around 1 metre.
Weather
Sunny.

Thursday 20 November

Winds
Northerly 15 to 25 knots shifting south to southwesterly 10 to 15 knots during the morning then tending south to southeasterly 15 to 20 knots during the day.
Seas
1 to 2 metres, decreasing below 1 metre during the morning.
1st Swell
Northeasterly 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
2nd Swell
Southerly around 1 metre.
Weather
Partly cloudy. 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 Tuesday.

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