Brennen Jetty Weather Forecast
- 11
- 18
Cloudy
- 10
- 21
Partly cloudy
- 11
- 20
Possible morning shower
- 10
- 21
Mostly sunny
- 11
- 28
Sunny
- 15
- 23
Showers
- 9
- 20
Shower or two
Today 4 Oct Port Lincoln
Cloudy. Slight chance of a shower. Winds southeasterly 15 to 20 km/h tending easterly in the morning then becoming light in the middle of the day.
Spencer Gulf Coastal Waters
- Wind
- Southeasterly 10 to 15 knots turning south to southwesterly in the late morning and early afternoon then becoming south to southeasterly about 10 knots in the evening.
- Seas
- Around 1 metre, decreasing below 0.5 metres around midday, then increasing to below 1 metre during the afternoon.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Cloudy.
- Weather Situation
- A trough over the northwest will weaken today with a high pressure ridge south of the state expected to move north and hover over SA during Monday. A cold front is forecast to pass over the southeast early Tuesday, then quickly followed by a high pressure system that is expected to pass to the south of the state later Tuesday and on Wednesday, maintaining a ridge over the state.
Brennen Jetty Temperature Statistics View More
October Temperature
Port Lincoln Airport (13km)
Lowest 2 October, 2026
9.2 °CAverage October
14.8 °CHighest 1 October, 2026
22.6 °C
Climate (2021–2026)
Port Lincoln Airport (13km)
Average Low 2021–2026
11.5 °CAverage 2021–2026
15.9 °CAverage High 2021–2026
21.3 °C