Tumby Bay Weather Forecast
- 11
- 22
Partly cloudy
- 10
- 26
Sunny
- 10
- 26
Sunny
- 13
- 21
Cloudy
- 13
- 29
Partly cloudy
- 16
- 26
Partly cloudy
- 13
- 23
Partly cloudy
Today 14 Apr Lower Eyre Peninsula
Clear. Winds southwesterly 15 to 20 km/h tending southeast to southwesterly in the late afternoon then becoming light in the evening.
Spencer Gulf Coastal Waters
- Wind
- Variable about 10 knots becoming south to southeasterly 10 to 15 knots in the late afternoon then decreasing to about 10 knots in the late evening.
- 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
- Mostly clear.
- Weather Situation
- A high pressure system centred over the south of SA will move slowly eastwards this week and a cold front will move across the far southeast of SA today followed by another cold front on Thursday. A second high pressure system is expected to follow and will become established south of the Bight late Thursday then will move eastwards during Friday and Saturday. A trough will move over the far west on Saturday.
Tumby Bay Temperature Statistics View More
April Temperature
Port Lincoln Airport (32km)
Lowest 11 April, 2026
9.9 °CAverage April
16.9 °CHighest 6 April, 2026
25.8 °C
Climate (2021–Present)
Port Lincoln Airport (32km)
Average Low 2021–2026
11.4 °CAverage 2021–2026
15.8 °CAverage High 2021–2026
21.3 °C