Crookhaven River - Haven Island Weather Forecast
- 14
- 27
Sunny
- 16
- 33
Mostly sunny
- 18
- 32
Mostly sunny
- 19
- 31
Shower or two. Possible storm
- 19
- 34
Shower or two. Possible storm
- 18
- 29
Possible shower
- 17
- 29
Shower or two
Today 17 Dec Illawarra
Sunny. Winds north to northeasterly 20 to 30 km/h. Daytime maximum temperatures 26 to 31.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- North to northeasterly 15 to 20 knots increasing to 15 to 25 knots in the early afternoon.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres around midday, then increasing to 1.5 to 2 metres during the afternoon.
- 1st Swell
- Southerly 1.5 to 2 metres, decreasing to 1.5 metres during the afternoon.
- Weather
- Sunny.
- Weather Situation
- A trough over inland Queensland extends into the far north of the state, while a high in the Tasman Sea extends a ridge across the south and east. Then, a series of troughs are forecast to enter the state's west and slip south later in the week through the weekend, drawing heat and moisture into the state.
Crookhaven River - Haven Island Temperature Statistics View More
December Temperature
Nowra (RAN Air Station) (19km)
Lowest 1 December, 2025
8.8 °CAverage December
20.3 °CHighest 6 December, 2025
39.5 °C
Climate (2020–Present)
Nowra (RAN Air Station) (19km)
Average Low 2020–2025
12 °CAverage 2020–2025
16.5 °CAverage High 2020–2025
22.4 °C