Sydney Coastal Waters Forecast: Broken Bay to Port Hacking

View the current warnings for New South Wales

Forecast updated at 5:57 am EST on Sunday 12 July 2026.

Weather Situation

North to northwesterly winds this morning as a weakening ridge extends over the northern coastal waters and a cold front approaches from the west. The cold front will cross the coastal waters this morning, bringing fresh westerly winds in its wake. A series of fronts and troughs is forecast to slip south of the coastal waters during early next week, ahead of the next trough that may brush the coast during mid week, bringing a fresh southerly change.

Forecast for Sunday until midnight

Strong Wind Warning for Sunday for Sydney Coast

Winds
Northwesterly 15 to 20 knots, reaching up to 30 knots offshore during the morning. Winds turning westerly in the morning.
Seas
1.5 to 2.5 metres.
Swell
Easterly around 1 metre.
Weather
50% chance of showers in the early morning. The chance of a thunderstorm offshore in the morning. Sunny afternoon.

Monday 13 July

Winds
Westerly 15 to 20 knots turning northwesterly during the morning.
Seas
1 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
Swell
Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the morning.
Weather
Sunny.

Tuesday 14 July

Winds
West to northwesterly 15 to 20 knots tending west to southwesterly during the afternoon.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore.
Swell
Southerly below 1 metre.
Weather
Sunny day. The chance of a thunderstorm in the 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 EST Sunday.

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