Saint Mary Bay Weather Forecast
- 12
- 17
Clear
- 8
- 19
Partly cloudy
- 10
- 20
Partly cloudy
- 11
- 22
Partly cloudy
- 13
- 25
Storm
- 14
- 22
Storm
- 14
- 24
Partly cloudy
Today 25 Oct West Coast
Mostly clear. Winds south to southwesterly 15 to 25 km/h becoming light in the late evening.
Upper West Coastal Waters
Fowlers Bay to Elliston- Wind
- South to southwesterly 10 to 15 knots decreasing to below 10 knots in the late evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2.5 metres.
- Weather
- Mostly clear.
- Weather Situation
- A ridge of high pressure moves into western SA and will persist over most the state, as the associated high drifts east across waters to the south, clearing east of Australia from Thursday. A trough and low pressure system are then forecast to track into western SA on Thursday before crossing the rest of the state on Friday.
Saint Mary Bay Temperature Statistics View More
October Temperature
Streaky Bay (45 km)
Lowest 3 October, 2026
5.6 °CAverage October
17.4 °CHighest 22 October, 2026
33.9 °C
Climate (2021–2026)
Streaky Bay (45 km)
Average Low 2021–2026
11.9 °CAverage 2021–2026
16.5 °CAverage High 2021–2026
23.7 °C