Sydney Coastal Waters Forecast: Broken Bay to Port Hacking

View the current warnings for New South Wales

Forecast issued at 10:00 am EST on Thursday 13 August 2026.

Weather Situation

Fresh southwesterly winds today behind a trough that is moving into the Tasman Sea. Then, a high pressure system moving over South Australia is expected to drift towards Tasmania later in the week, directing onshore south to southeasterly winds over the coastal waters.

Forecast for Thursday until midnight

Winds
South to southwesterly 15 to 20 knots decreasing to about 10 knots in the evening.
Seas
1 to 1.5 metres, decreasing below 1 metre by early evening.
Swell
Southerly 1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
Weather
Sunny.

Friday 14 August

Winds
Southwesterly 10 to 15 knots decreasing to about 10 knots in the early morning then becoming south to southeasterly in the middle of the day.
Seas
Below 1 metre.
Swell
Southerly 1.5 metres.
Weather
Mostly sunny.

Saturday 15 August

Winds
Southerly 15 to 20 knots.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell
Southerly 1 to 1.5 metres.
Weather
Partly cloudy. 80% chance of showers.

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

Sunshine Coast Waters Forecast Moreton Bay Forecast Gold Coast Waters Forecast NSW - Byron Coast - Coastal Waters Forecast NSW - Coffs Coast - Coastal Waters Forecast NSW - Macquarie Coast - Coastal Waters Forecast NSW - Hunter Coast - Coastal Waters Forecast NSW - Sydney Coast - Coastal Waters Forecast NSW - Illawarra Coast - Coastal Waters Forecast NSW - Batemans Coast - Coastal Waters Forecast NSW - Eden Coast - Coastal Waters Forecast Vic - Central Gippsland Coast - Coastal Waters Forecast

The next routine forecast will be issued at 4:05 pm EST Thursday.

Product IDN11009