Illawarra Coastal Waters Forecast: Port Hacking to Ulladulla

View the current warnings for New South Wales

Forecast issued at 4:05 pm EDT on Tuesday 7 October 2025.

Weather Situation

Northerly winds are forecast to prevail over New South Wales coast most of the week, apart from brief incursions of southerly or westerly winds to the southern and central coastal waters due to mobile troughs, as a high pressure ridge extends from the Tasman Sea to the far north coast while a series of cold fronts skims to the south through the week.

Forecast for Tuesday until midnight

Winds
North to northeasterly 15 to 20 knots turning west to northwesterly in the late evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore.
Swell
Southerly 1.5 metres.
Weather
Mostly clear. The chance of a thunderstorm offshore north of Port Kembla later tonight.

Wednesday 8 October

Strong Wind Warning for Wednesday for Illawarra Coast

Winds
West to northwesterly 15 to 20 knots turning northerly 15 to 25 knots during the morning. Winds reaching up to 30 knots offshore north of Port Kembla in the late evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
Swell
Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Weather
Sunny morning. The chance of a thunderstorm north of Point Perpendicular in the afternoon and evening.

Thursday 9 October

Winds
Northwesterly 20 to 30 knots decreasing to 15 to 25 knots in the morning then tending westerly 10 to 15 knots in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres offshore.
Swell
Southerly below 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm offshore north of Point Perpendicular.

Friday 10 October

Winds
West to southwesterly 10 to 15 knots turning north to northwesterly during the morning.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres offshore south of Point Perpendicular.
Swell
Southerly below 1 metre.
Weather
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.

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The next routine forecast will be issued at 10:00 pm EDT Tuesday.

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