Tank Island Weather Forecast
- 10
- 27
Clear
- 11
- 34
Sunny
- 18
- 39
Sunny
- 20
- 42
Sunny
- 19
- 29
Partly cloudy
- 15
- 28
Cloudy
- 15
- 24
Partly cloudy
Today 15 Dec West Coast
Clear. Winds southeasterly 20 to 30 km/h.
Upper West Coastal Waters
Fowlers Bay to Elliston- Wind
- Southeasterly 15 to 20 knots, reaching up to 25 knots south of Streaky Bay.
- Seas
- 1.5 metres, increasing to 1.5 to 2 metres south of Streaky Bay.
- 1st Swell
- Southerly 2 metres.
- Weather
- Clear.
- Weather Situation
- A high pressure system to the south of the state will maintain a ridge across SA as it drifts into the Tasman by Wednesday. A trough of low pressure will briefly enter the far northeast of SA with another trough slowing moving across the south and west on Thursday. A south to southwesterly flow will establish across the coasts on Friday.
Tank Island Temperature Statistics View More
December Temperature
Minnipa Agricultural Centre (59km)
Lowest 7 December, 2025
7.5 °CAverage December
21.8 °CHighest 12 December, 2025
39.7 °C
Climate (2020–Present)
Minnipa Agricultural Centre (59km)
Average Low 2020–2025
10.9 °CAverage 2020–2025
16.9 °CAverage High 2020–2025
24.4 °C