Illawarra Coastal Waters Forecast: Port Hacking to Ulladulla

No warnings for New South Wales

Forecast issued at 4:00 am EST on Wednesday 15 April 2026.

Weather Situation

A high pressure ridge extends over the state, bringing light winds and stable conditions. A cold front is forecast to cross the coastal waters on Friday through to early Saturday, bringing fresh to strong southerly winds in its wake.

Forecast for Wednesday until midnight

Winds
Westerly 10 to 15 knots shifting east to southeasterly in the afternoon.
Seas
Below 1 metre.
Swell
Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore south of Port Kembla.
Weather
Sunny.

Thursday 16 April

Winds
Variable about 10 knots becoming north to northwesterly 10 to 15 knots in the early morning then tending west to northwesterly in the evening. Winds reaching up to 20 knots offshore south of Port Kembla during the day.
Seas
Below 1 metre, increasing to 1 to 1.5 metres offshore south of Port Kembla during the morning.
Swell
Southerly 1 to 1.5 metres.
Weather
Sunny.

Friday 17 April

Winds
Westerly 15 to 20 knots turning southerly 15 to 25 knots during the day.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres during the afternoon.
Swell
Southerly 1 to 1.5 metres, increasing to 2 to 3 metres during the evening.
Weather
Partly cloudy. 80% 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.

Nearby Coastal Waters

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

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