Illawarra Coastal Waters Forecast: Port Hacking to Ulladulla

View the current warnings for New South Wales

Forecast issued at 10:00 pm EST on Sunday 18 May 2025.

Weather Situation

A trough off the central parts of the coast is moving north, bringing fresh to strong south to southwesterly winds to the coastal waters. Winds will turn southeasterly and strengthen as the trough deepens near northern parts of the coast from late Sunday, bringing fresh to strong and gusty winds, to central and northern parts of the coast early next week. The trough may continue to deepen later in the week, with the strongest winds dependent on its location.

Forecast for Sunday until midnight

Strong Wind Warning for Sunday for Illawarra Coast

Winds
Southeasterly 25 to 30 knots.
Seas
2.5 to 3 metres.
Swell
Southeasterly 3 metres.
Weather
Cloudy. 80% chance of showers. The chance of a thunderstorm north of Point Perpendicular.
Caution
Large and powerful surf conditions in the evening are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.

Monday 19 May

Strong Wind Warning for Monday for Illawarra Coast

Winds
Southeasterly 20 to 30 knots.
Seas
2 to 3 metres.
1st Swell
Southeasterly 2 to 3 metres.
2nd Swell
Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the morning.
Weather
Partly cloudy. 70% chance of showers. The chance of a thunderstorm north of Point Perpendicular in the early morning.
Caution
Large and powerful surf conditions are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.

Tuesday 20 May

Winds
Southeasterly 20 to 30 knots decreasing to 15 to 25 knots before dawn then tending easterly 15 to 20 knots in the evening.
Seas
1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon.
1st Swell
Easterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore north of Port Kembla during the morning.
2nd Swell
Southerly 1 to 1.5 metres.
Weather
Cloudy. 60% chance of showers.

Wednesday 21 May

Winds
East to southeasterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore.
1st Swell
Easterly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore north of Port Kembla.
2nd Swell
Southerly around 1 metre.
Weather
Cloudy. 80% chance of showers. The chance of a thunderstorm.

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 4:10 am EST Monday.

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