Seal Island Weather Forecast
- 15
- 23
Partly cloudy
- 15
- 23
Partly cloudy
- 15
- 25
Sunny
- 17
- 26
Mostly sunny
- 14
- 23
Sunny
- 14
- 21
Cloudy
- 14
- 22
Partly cloudy
Today 9 Dec Yorke Peninsula
Mostly sunny. Winds southeasterly 25 to 35 km/h. Daytime maximum temperatures 24 to 33.
Investigator Strait Coastal Waters
- Wind
- Southerly 10 to 15 knots turning southeasterly 15 to 20 knots early in the morning.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
- 1st Swell
- West to southwesterly around 1 metre.
- Weather
- Partly cloudy.
- Weather Situation
- A broad ridge extends over inland parts of the state, another high pressure system develops south of the Bight, strengthening the ridge over the state ahead of a trough of low pressure developing across the far northwest late Tuesday persisting late into the week.
Seal Island Temperature Statistics View More
December Temperature
Stenhouse Bay (6km)
Lowest 3 December, 2025
9.1 °CAverage December
17.3 °CHighest 3 December, 2025
33.4 °C
Climate (2020–Present)
Stenhouse Bay (6km)
Average Low 2020–2025
13.1 °CAverage 2020–2025
16 °CAverage High 2020–2025
20.4 °C