West Island Weather Forecast
- 13
- 22
Clear
- 13
- 22
Mostly sunny
- 12
- 27
Sunny
- 13
- 28
Sunny
- 16
- 27
Partly cloudy
- 16
- 24
Shower or two
- 14
- 19
Possible shower
Today 20 Mar Mount Lofty Ranges
Clear. Winds south to southwesterly 15 to 20 km/h tending south to southeasterly in the evening.
South Central Coastal Waters
- Wind
- Southeasterly about 10 knots increasing to 10 to 15 knots in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2 to 2.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A ridge of high pressure will persist across the coastal waters. The high pressure centre associated with the ridge will become established in the Tasman Sea over the weekend. A trough moves over the south early next week with a cold front clipping the southeast mid week. A new ridge develops south of the Bight early to mid next week.
West Island Temperature Statistics View More
March Temperature
Encounter Bay (6km)
Lowest 14 March, 2026
7.8 °CAverage March
17 °CHighest 10 March, 2026
29 °C
Climate (2021–Present)
Encounter Bay (6km)
Average Low 2021–2026
10.4 °CAverage 2021–2026
15.2 °CAverage High 2021–2026
20.7 °C