Bass Islet Weather Forecast
- 21
- 37
Wind easing. Partly cloudy
- 17
- 22
Shower or two
- 16
- 27
Partly cloudy
- 18
- 32
Sunny
- 18
- 26
Possible shower
- 17
- 22
Shower or two
- 16
- 23
Shower or two
Today 6 Dec Wollongong
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 30 to 45 km/h tending northwest to northeasterly 25 to 35 km/h in the middle of the day then tending west to northwesterly 15 to 20 km/h in the evening.
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.
Bass Islet Temperature Statistics View More
December Temperature
Bellambi (10km)
Lowest 2 December, 2025
12.8 °CAverage December
20.6 °CHighest 4 December, 2025
30.2 °C
Climate (2020–Present)
Bellambi (10km)
Average Low 2020–2025
15 °CAverage 2020–2025
18 °CAverage High 2020–2025
21.7 °C