Observatory Point Weather Forecast
- 18
- 22
Cloudy
- 16
- 17
Shower
- 16
- 17
Shower
- 14
- 15
Partly cloudy
- 14
- 15
Partly cloudy
- 14
- 15
Cloudy
- 14
- 15
Partly cloudy
Today 29 Sep Lower Eyre Peninsula
Becoming cloudy. Slight chance of a shower in the evening. Winds north to northwesterly 30 to 45 km/h turning west to southwesterly 25 to 40 km/h in the early afternoon then becoming light in the evening. Daytime maximum temperatures in the low to mid 30s.
Spencer Gulf Coastal Waters
- Wind
- Northerly 15 to 20 knots, reaching up to 25 knots near the Yorke Peninsula coast in the late morning. Winds shifting south to southwesterly in the late afternoon.
- Seas
- 1 to 2 metres, decreasing to 1 metre 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 system centred to the northeast of Tasmania extends a ridge over the southeast of the continent. This high and ridge will move eastwards over the Tasman Sea in coming days. A series of slow moving troughs will enter the west of the state today then move across the state on Wednesday and Thursday as a couple of cold fronts will move across waters to the south. A new high pressure system will become established south of the Bight during Friday.
Observatory Point Temperature Statistics View More
September Temperature
Port Lincoln Airport (42km)
Lowest 18 September, 2026
3.3 °CAverage September
14.4 °CHighest 24 September, 2026
30.8 °C
Climate (2021–2026)
Port Lincoln Airport (42km)
Average Low 2021–2026
11.5 °CAverage 2021–2026
15.9 °CAverage High 2021–2026
21.3 °C