Illawarra Coastal Waters Forecast: Port Hacking to Ulladulla

View the current warnings for New South Wales

Forecast issued at 4:05 pm EST on Saturday 11 July 2026.

Weather Situation

North to northwesterly winds prevail today as a ridge extends over the northern coastal waters and a cold front approaches from the west. The cold front will cross the coastal waters during Sunday 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 Saturday until midnight

Winds
Northerly 10 to 15 knots, reaching up to 20 knots offshore in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore later in the evening.
Swell
Southeasterly 1 to 1.5 metres.
Weather
Mostly clear.

Sunday 12 July

Strong Wind Warning for Sunday for Illawarra Coast

Winds
North to northwesterly 20 to 30 knots turning westerly 20 to 25 knots during the morning then increasing to 20 to 30 knots in the evening.
Seas
1.5 to 2.5 metres.
Swell
East to southeasterly around 1 metre.
Weather
Mostly sunny. 60% chance of showers. The chance of a thunderstorm offshore in the morning.

Monday 13 July

Winds
Westerly 20 to 30 knots tending west to northwesterly 15 to 25 knots in the early 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 20 knots tending west to southwesterly during the day.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres south of Point Perpendicular.
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 pm EST Saturday.

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