Coweelunga Bay Weather Forecast
- 19
- 33
Partly cloudy
- 15
- 23
Partly cloudy
- 12
- 21
Cloudy
- 12
- 20
Cloudy
- 11
- 24
Sunny
- 14
- 32
Sunny
- 18
- 34
Partly cloudy
Today 12 Dec Mount Lofty Ranges
Partly cloudy. Slight chance of a shower later this evening. The chance of a thunderstorm later this evening. Winds west to southwesterly 15 to 20 km/h turning southerly 25 to 35 km/h in the late afternoon.
Investigator Strait Coastal Waters
- Wind
- Southerly 15 to 20 knots increasing to 15 to 25 knots in the evening. Winds reaching up to 30 knots in the late evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres by early evening.
- 1st Swell
- West to southwesterly below 1 metre.
- Weather
- Partly cloudy. The chance of a thunderstorm later this evening.
- Weather Situation
- A trough will move eastwards to clear South East coastal waters during Friday evening. A slow moving broad high pressure system in the Indian Ocean will then build a ridge across coastal waters on Saturday and establish itself south of the Bight on Sunday and Monday. The high is forecast to move east into the Tasman Sea on Tuesday while maintaining a ridge over coastal waters.
Coweelunga Bay Temperature Statistics View More
December Temperature
Parawa West (Second Valley Forest) (23km)
Lowest 7 December, 2025
7.1 °CAverage December
14.7 °CHighest 3 December, 2025
27.6 °C
Climate (2020–Present)
Parawa West (Second Valley Forest) (23km)
Average Low 2020–2025
10.4 °CAverage 2020–2025
13.4 °CAverage High 2020–2025
17.5 °C