Spencer Gulf Weather Forecast
- 16
- 18
Shower
- 16
- 17
Shower
- 13
- 16
Shower
- 14
- 17
Shower
- 15
- 17
Shower
- 15
- 17
Partly cloudy
- 15
- 18
Shower
Today 23 May Flinders
Cloudy. Medium chance of showers, most likely this evening. Winds east to northeasterly 15 to 20 km/h tending north to northeasterly in the middle of the day then tending east to northeasterly in the late afternoon. Daytime maximum temperatures between 15 and 21.
Spencer Gulf Coastal Waters
- Wind
- North to northeasterly 10 to 15 knots, reaching up to 20 knots south of Cowell to Wallaroo during the day.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo by early 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 high pressure ridge over the east will begin to weaken as a cold enters the west of the SA early today. This front is expected to reach eastern districts later on Sunday with an associated low pressure system developing off the southern coasts. The low is expected to move across the southeast on Monday then eastwards into NSW by Tuesday with a trough lingering across the south of SA.
Spencer Gulf Temperature Statistics View More
May Temperature
Whyalla Airport (38km)
Lowest 11 May, 2026
5.5 °CAverage May
15.3 °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