Spencer Gulf Weather Forecast
- 14
- 17
Partly cloudy
- 12
- 17
Partly cloudy
- 14
- 22
Partly cloudy
- 15
- 18
Partly cloudy
- 13
- 15
Shower
- 14
- 15
Shower
- 13
- 15
Partly cloudy
Today 16 Sep Flinders
Clear. Winds southwesterly 20 to 30 km/h.
Spencer Gulf Coastal Waters
- Wind
- Westerly 15 to 20 knots, reaching up to 25 knots south of Port Neill to Port Victoria.
- Seas
- Around 1 metre, increasing to 1.5 to 2 metres south of Cowell to Wallaroo.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Mostly clear.
- Weather Situation
- A high pressure ridge will move in from the west and quickly track eastwards through Wednesday with a weak trough sweeping across the coasts on Thursday. A cold front will skim southern coasts on Friday with a southwesterly airstream establishing in its wake on Saturday as a high pressure ridge develops over the Far West Coast.
Spencer Gulf Temperature Statistics View More
September Temperature
Whyalla Airport (38km)
Lowest 1 September, 2025
2.8 °CAverage September
15.4 °CHighest 6 September, 2025
33.8 °C
Climate (2020–Present)
Whyalla Airport (38km)
Average Low 2020–2025
11.9 °CAverage 2020–2025
17.5 °CAverage High 2020–2025
23.8 °C