Seal Island Weather Forecast
- 14
- 18
Shower or two. Becoming windy
- 13
- 17
Cloudy
- 14
- 19
Cloudy
- 13
- 23
Mostly sunny
- 14
- 26
Partly cloudy
- 16
- 29
Sunny
- 18
- 24
Possible shower
Today 26 Mar Mount Lofty Ranges
Partly cloudy. Medium chance of showers, most likely in the morning and early afternoon. Winds southerly 25 to 40 km/h. Daytime maximum temperatures between 17 and 20.
South Central Coastal Waters
- Wind
- Southerly 15 to 25 knots, reaching up to 30 knots during the day.
- Seas
- 1 to 1.5 metres, increasing to 2 to 2.5 metres during the morning.
- 1st Swell
- Southwesterly 2 to 3 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A broad trough lies over eastern SA. A cold front will clip the southeast tomorrow as a high pressure system starts to build south of the Bight. The high will become established south of SA by Friday before starting to move east towards the Tasman Sea on Sunday.
Seal Island Temperature Statistics View More
March Temperature
Encounter Bay (4km)
Lowest 14 March, 2026
7.8 °CAverage March
17.1 °CHighest 10 March, 2026
29 °C
Climate (2021–Present)
Encounter Bay (4km)
Average Low 2021–2026
10.4 °CAverage 2021–2026
15.2 °CAverage High 2021–2026
20.7 °C