Illawarra Coastal Waters Forecast: Port Hacking to Ulladulla

View the current warnings for New South Wales

Forecast updated at 5:58 am EST on Sunday 12 July 2026.

Weather Situation

North to northwesterly winds this morning as a weakening ridge extends over the northern coastal waters and a cold front approaches from the west. The cold front will cross the coastal waters this morning, bringing fresh westerly winds in its wake. A series of fronts and troughs is forecast to slip south of the coastal waters during early next week, ahead of the next trough that may brush the coast during mid week, bringing a fresh southerly change.

Forecast for Sunday until midnight

Strong Wind Warning for Sunday for Illawarra Coast

Winds
West to northwesterly 20 to 30 knots becoming westerly 20 to 25 knots in the middle of the day then increasing to 20 to 30 knots in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres offshore.
Swell
East to southeasterly around 1 metre.
Weather
60% chance of showers in the early morning. The chance of a thunderstorm offshore in the morning. Sunny afternoon.

Monday 13 July

Strong Wind Warning for Monday for Illawarra Coast

Winds
West to northwesterly 15 to 25 knots, reaching up to 30 knots offshore south of Port Kembla during the morning.
Seas
1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon.
Swell
Southerly around 1 metre.
Weather
Sunny.

Tuesday 14 July

Winds
West to northwesterly 15 to 25 knots tending west to southwesterly 15 to 20 knots during the afternoon.
Seas
Around 1 metre, increasing to 1 to 2 metres offshore.
Swell
Southerly below 1 metre.
Weather
Mostly sunny. 50% chance of showers. The chance of a thunderstorm in the 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 Sunday.

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