Spencer Gulf Weather Forecast
- 21
- 28
Windy
- 19
- 22
Cloudy
- 19
- 19
Storm
- 15
- 17
Windy
- 14
- 17
Partly cloudy
- 14
- 17
Cloudy
- 15
- 18
Partly cloudy
Today 29 Sep Flinders
Mostly clear. Winds northerly 25 to 40 km/h decreasing to 15 to 25 km/h in the evening.
Spencer Gulf Coastal Waters
- Wind
- North to northwesterly 15 to 20 knots shifting south to southwesterly in the late afternoon.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre later in the evening.
- 1st Swell
- South to southwesterly around 1 metre, increasing to 1 to 1.5 metres south of Port Neill to Port Victoria.
- Weather
- Partly cloudy.
- Weather Situation
- A series of slow moving troughs will move over the west of SA on Tuesday then will across remaining parts of the state on Wednesday and Thursday as a couple of cold fronts move across waters to the south. A high pressure system will become established south of the Bight during Friday and persist there on Saturday. A trough will extend from WA over the far west of SA over the weekend.
Spencer Gulf Temperature Statistics View More
September Temperature
Whyalla Airport (38km)
Lowest 11 September, 2026
3.4 °CAverage September
15.9 °CHighest 20 September, 2026
32.9 °C
Climate (2021–2026)
Whyalla Airport (38km)
Average Low 2021–2026
12 °CAverage 2021–2026
17.6 °CAverage High 2021–2026
23.8 °C