Jervis Bay Harbour Weather Forecast
- 13
- 23
Clear
- 11
- 21
Mostly sunny
- 11
- 23
Mostly sunny
- 11
- 22
Mostly sunny
- 11
- 24
Sunny
- 12
- 26
Sunny
- 14
- 23
Possible shower
Today 11 Apr Illawarra
Clear. Winds westerly 20 to 30 km/h.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Westerly 15 to 25 knots, reaching up to 30 knots offshore south of Port Kembla in the evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore.
- 1st Swell
- Southerly around 1 metre.
- Weather
- Clear.
- Weather Situation
- A trough lies across the north coast today. The trough is forecast to clear the coast by early Sunday, with a ridge of high pressure building in its wake through the weekend, bringing a return to settled conditions early next week. Several front may bring southerly surges about the south coast later next week.
Jervis Bay Harbour Temperature Statistics View More
April Temperature
Point Perpendicular (9km)
Lowest 6 April, 2026
14.1 °CAverage April
20.1 °CHighest 9 April, 2026
28.2 °C
Climate (2021–Present)
Point Perpendicular (9km)
Average Low 2021–2026
14.7 °CAverage 2021–2026
17.4 °CAverage High 2021–2026
20.8 °C