Jervis Bay Harbour Weather Forecast

Illawarra Coastal Waters

Wind

North to northeasterly 15 to 20 knots increasing to 20 to 25 knots in the early afternoon. Winds reaching up to 30 knots offshore during the afternoon and evening.

Seas

Around 1 metre, increasing to 1 to 1.5 metres around midday, then increasing to 2 to 2.5 metres during the afternoon.

1st Swell

Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Port Kembla.

Weather

Mostly sunny day. 90% chance of showers in the late afternoon and evening. The chance of a thunderstorm in the late afternoon and evening.

Weather Situation

A high pressure system over the southeastern Tasman Sea is extending a ridge towards eastern New South Wales maintaining a northeasterly airstream through much of the coast. A cold front and its associated trough are forecast to enter the far south coast later today and cross the rest of the coastal waters through Thursday with strong southerly winds and large powerful southerly swells in its wake. Strong south to southeasterly winds and hazardous surf conditions may remain during the later part of the week through the weekend as a low pressure system develops off the north coast.