Gascoigne Bay Weather Forecast
- 21
- 37
Partly cloudy
- 21
- 30
Partly cloudy
- 16
- 23
Partly cloudy
- 15
- 23
Partly cloudy
- 14
- 24
Windy
- 13
- 29
Sunny
- 18
- 35
Sunny
Today 11 Dec West Coast
Mostly sunny. Slight chance of a shower south of Streaky Bay, becoming less likely this afternoon. Near zero chance of rain elsewhere. The chance of a thunderstorm east of Ceduna during the morning and afternoon. Winds east to southeasterly 20 to 30 km/h tending southeast to southwesterly in the late afternoon. Daytime maximum temperatures 32 to 41.
Upper West Coastal Waters
Fowlers Bay to Elliston- Wind
- Southeasterly 15 to 20 knots, reaching up to 25 knots south of Streaky Bay early in the morning.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres offshore.
- 1st Swell
- Southwesterly 1.5 metres.
- Weather
- Partly cloudy. The chance of a thunderstorm during the morning and afternoon.
- Weather Situation
- A ridge of high pressure persists over southern SA, before the high centre moves eastwards over the Tasman Sea late today. A trough of low pressure is expected to move eastwards across the SA waters on Friday. Another ridge of high pressure will move over the south during the weekend.
Gascoigne Bay Temperature Statistics View More
December Temperature
Streaky Bay (42km)
Lowest 7 December, 2025
2.9 °CAverage December
20.6 °CHighest 3 December, 2025
36.1 °C
Climate (2020–Present)
Streaky Bay (42km)
Average Low 2020–2025
12 °CAverage 2020–2025
16.4 °CAverage High 2020–2025
23.5 °C