Spencer Gulf Weather Forecast
- 16
- 18
Shower
- 15
- 18
Shower
- 15
- 18
Shower
- 15
- 18
Partly cloudy
- 14
- 18
Partly cloudy
- 14
- 17
Partly cloudy
- 15
- 17
Cloudy
Today 17 May Flinders
Partly cloudy. Slight chance of a shower. The chance of a thunderstorm in the late morning and afternoon. Light winds becoming south to southeasterly 15 to 20 km/h in the middle of the day then tending east to southeasterly in the evening. Daytime maximum temperatures around 20.
Spencer Gulf Coastal Waters
- Wind
- Variable about 10 knots becoming south to southwesterly 10 to 15 knots in the early afternoon then tending south to southeasterly in the late afternoon.
- Seas
- Below 1 metre.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Partly cloudy.
- Weather Situation
- A trough of low pressure about eastern waters will move into Bass Strait early this morning. A ridge of high pressure builds in the west. A cold front will move over the south early in the week, followed by a high pressure system, which will linger in the Bight midweek.
Spencer Gulf Temperature Statistics View More
May Temperature
Whyalla Airport (38km)
Lowest 11 May, 2026
5.5 °CAverage May
15.9 °CHighest 1 May, 2026
30.7 °C
Climate (2021–Present)
Whyalla Airport (38km)
Average Low 2021–2026
12 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
23.8 °C