Illawarra Coastal Waters Forecast: Port Hacking to Ulladulla

View the current warnings for New South Wales

Forecast issued at 4:00 am EST on Tuesday 26 May 2026.

Weather Situation

A broad low pressure trough in the west, together with a high pressure system centred over New Zealand, are bringing east to northeasterly winds to the coast over the next few days. A low is forecast to form within the trough as it moves to the state's northeast midweek, then the low is forecast to enter the coastal waters on Friday before heading offshore during the weekend, with south to southwesterly winds in its wake.

Forecast for Tuesday until midnight

Winds
East to northeasterly about 10 knots becoming northwest to northeasterly in the morning. Winds reaching up to 20 knots offshore in the late morning and afternoon.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell
Easterly 2 to 2.5 metres.
Weather
Cloudy. Near 100% chance of rain. The chance of a thunderstorm during this afternoon and evening.

Wednesday 27 May

Winds
North to northwesterly 10 to 15 knots becoming variable about 10 knots before dawn.
Seas
Below 1 metre.
Swell
Easterly 2 to 2.5 metres.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm.

Thursday 28 May

Winds
East to southeasterly 10 to 15 knots tending south to southeasterly 15 to 20 knots during the day.
Seas
Around 1 metre, increasing to 1 to 1.5 metres inshore during the afternoon or evening.
1st Swell
Easterly 1.5 to 2 metres.
2nd Swell
Southerly around 1 metre.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm in the afternoon and 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.

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The next routine forecast will be issued at 10:00 am EST Tuesday.

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