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 3 September 2026.

Weather Situation

North to northwesterly winds ahead of a trough and associated cold front crosses the coastal waters during today, driving west to southwesterly winds in its wake. North to northwesterly winds are forecast to redevelop ahead of a series of fronts crossing the waters during the weekend.

Forecast for Thursday until midnight

Winds
Northwesterly 15 to 20 knots turning west to southwesterly in the middle of the day.
Seas
1 to 1.5 metres, decreasing below 1 metre during the afternoon, then increasing to 1 to 1.5 metres later in the evening.
Swell
Southerly around 1 metre.
Weather
Sunny.

Friday 4 September

Winds
Southwesterly 10 to 15 knots turning west to northwesterly below 10 knots in the morning then tending north to northeasterly 10 to 15 knots in the early afternoon. Winds reaching up to 20 knots offshore early in the morning and again in the late evening.
Seas
1 to 1.5 metres, decreasing below 1 metre during the morning.
Swell
Southerly below 1 metre, increasing to 1 to 2 metres during the morning, then decreasing to 1 to 1.5 metres during the afternoon.
Weather
Sunny.

Saturday 5 September

Winds
Northwesterly 10 to 15 knots tending northerly 15 to 20 knots during the morning then turning west to northwesterly 15 to 25 knots during the afternoon.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell
Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Weather
Mostly sunny.

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