Sydney Coastal Waters Forecast: Broken Bay to Port Hacking

View the current warnings for New South Wales

Forecast issued at 10:00 pm EDT on Saturday 11 October 2025.

Weather Situation

Westerly winds over parts of the southern coast will ease as a cold front moves away to the east tonight. On Sunday night a stronger cold front is expected to bring a gusty south to southwesterly to the southern waters, which will weaken as it moves north along the coast on Monday. After this a ridge of high pressure is forecast to develop, with the next trough forecast to brush the southern waters on Tuesday.

Forecast for Saturday until midnight

Winds
Northwesterly 10 to 15 knots.
Seas
Below 1 metre.
Swell
Northeasterly below 1 metre.
Weather
Clear.

Sunday 12 October

Winds
Northwesterly 10 to 15 knots tending northerly in the middle of the day then turning west to northwesterly 15 to 20 knots in the early afternoon. Winds reaching up to 25 knots inshore in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore during the afternoon.
Swell
Northeasterly below 1 metre.
Weather
Sunny morning. 70% chance of showers in the afternoon and evening.

Monday 13 October

Winds
Westerly 15 to 20 knots shifting south to southeasterly 15 to 25 knots in the early afternoon.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres around midday.
Swell
Southerly below 1 metre, increasing to 1 to 2 metres during the afternoon.
Weather
Sunny.

Tuesday 14 October

Winds
Variable below 10 knots becoming north to northwesterly 10 to 15 knots during the morning then shifting easterly during the afternoon.
Seas
Around 1 metre.
Swell
Southerly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning.
Weather
Cloud clearing.

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 4:00 am EDT Sunday.

Product IDN11009