Spencer Gulf Weather Forecast
- 19
- 25
Partly cloudy
- 18
- 20
Partly cloudy
- 19
- 26
Partly cloudy
- 21
- 24
Sunny
- 18
- 25
Partly cloudy
- 20
- 26
Partly cloudy
- 20
- 23
Partly cloudy
Today 19 Apr Flinders
Mostly sunny. Slight chance of a shower near the coast in the morning. Near zero chance of rain elsewhere. Winds northwest to northeasterly 15 to 20 km/h tending northwest to southwesterly in the morning then tending northwest to northeasterly in the late afternoon. Daytime maximum temperatures in the mid to high 20s.
Spencer Gulf Coastal Waters
- Wind
- Northwest to northeasterly 15 to 20 knots tending south to southwesterly in the middle of the day then tending south to southeasterly in the late evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres near the Eyre Peninsula coast by early evening.
- 1st Swell
- South to southwesterly below 1 metre.
- Weather
- The chance of a thunderstorm in the morning. Mostly sunny afternoon.
- Weather Situation
- A high pressure system centred west of Tasmania extends a ridge over western Victoria. A cold front over the far west of SA will weaken as it moves eastwards over central and eastern parts on Sunday morning. The high will move eastwards to be centred southeast of Tasmania later Sunday but will continue to extend a ridge over SA early next week. Another front will move across the south of SA late Tuesday and early Wednesday then another high will move across waters to the south during Wednesday.
Spencer Gulf Temperature Statistics View More
April Temperature
Whyalla Airport (38km)
Lowest 15 April, 2026
8.5 °CAverage April
18.8 °CHighest 6 April, 2026
34.7 °C
Climate (2021–Present)
Whyalla Airport (38km)
Average Low 2021–2026
11.9 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
23.8 °C