Semi-detached Point Weather Forecast
- 18
- 31
Windy. Partly cloudy
- 17
- 20
Possible shower
- 16
- 20
Cloudy
- 17
- 24
Partly cloudy
- 16
- 29
Sunny
- 19
- 31
Mostly sunny
- 19
- 28
Shower or two
Today 14 Dec Sydney
Partly cloudy. Slight chance of a shower later tonight. Winds northwest to southwesterly 20 to 30 km/h tending southerly 35 to 55 km/h in the late evening.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northerly 15 to 20 knots shifting southerly 20 to 30 knots in the evening.
- Seas
- Around 1 metre, increasing to 1.5 to 2 metres south of Port Kembla by early evening.
- 1st Swell
- Northeasterly around 1 metre.
- Weather
- Partly cloudy.
- Weather Situation
- A trough and gusty wind change will continue moving north across the coastal waters, crossing the northern waters on Monday morning and early afternoon. A ridge extends over the coastal waters in the wake of the trough. The ridge will be maintained by a high in the Great Australian Bight that will move east across southeast Australia on Tuesday and into the Tasman Sea on Wednesday.
Semi-detached Point Temperature Statistics View More
December Temperature
Bellambi (23km)
Lowest 2 December, 2025
12.8 °CAverage December
20.7 °CHighest 5 December, 2025
36.7 °C
Climate (2020–Present)
Bellambi (23km)
Average Low 2020–2025
15 °CAverage 2020–2025
18 °CAverage High 2020–2025
21.8 °C