Crookhaven River - Haven Island Weather Forecast
- 19
- 35
Partly cloudy
- 15
- 21
Possible early shower
- 14
- 28
Partly cloudy
- 15
- 32
Sunny
- 16
- 25
Possible shower
- 15
- 23
Shower or two
- 14
- 24
Possible shower
Today 6 Dec Illawarra
Partly cloudy. The chance of smoke haze. Slight chance of a shower during this afternoon and evening. The chance of a thunderstorm during this afternoon and early evening, possibly severe with damaging winds. Winds northwesterly 25 to 40 km/h tending westerly 15 to 25 km/h in the evening. Daytime maximum temperatures in the mid to high 30s.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northerly 15 to 20 knots, reaching up to 25 knots offshore north of Port Kembla during the afternoon and evening.
- Seas
- 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1 to 2 metres during the afternoon.
- 1st Swell
- Northeasterly below 1 metre, increasing to 1 to 1.5 metres during the morning.
- Weather
- Partly cloudy. The chance of a thunderstorm during this afternoon and early evening.
- Weather Situation
- A high pressure system lies over the Tasman Sea, extending a ridge over the state. Strong northerly winds today before a cold front reaches southern coastal waters late this evening, bringing a fresh to strong southerly wind change over coastal waters in its wake into Sunday.
Crookhaven River - Haven Island Temperature Statistics View More
December Temperature
Nowra (RAN Air Station) (19km)
Lowest 1 December, 2025
8.8 °CAverage December
19.9 °CHighest 4 December, 2025
33.2 °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