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 Sunday 15 March 2026.

Weather Situation

A high over the southern Tasman Sea extends a ridge over coastal waters today. A trough is expected to form about the south coast early next week before tracking north along the coast midweek bringing a southerly change. Persistent east to southeasterly winds are expected from Wednesday.

Forecast for Sunday until midnight

Winds
Variable about 10 knots becoming north to northeasterly 15 to 20 knots in the middle of the day.
Seas
Around 1 metre, increasing to 1 to 1.5 metres inshore during the afternoon.
Swell
Southerly 1.5 metres, increasing to 1.5 to 2 metres by early evening.
Weather
Partly cloudy.
Caution
Surf conditions in the afternoon and evening may be more powerful than they appear and are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.

Monday 16 March

Winds
North to northeasterly 15 to 20 knots, reaching up to 25 knots offshore in the late 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.
Swell
Southerly 1.5 to 2 metres, decreasing to 1.5 metres by early evening.
Weather
Mostly sunny.
Caution
Surf conditions may be more powerful than they appear and are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.

Tuesday 17 March

Winds
Northerly 15 to 25 knots shifting southerly 10 to 15 knots during the afternoon.
Seas
1 to 2 metres, decreasing to 1 metre during the afternoon.
Swell
Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Weather
Partly cloudy.

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 Sunday.

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