Smith Island Weather Forecast
- 10
- 21
Sunny
- 11
- 17
Shower
- 10
- 16
Shower
- 11
- 17
Shower
- 11
- 16
Partly cloudy
- 10
- 16
Cloudy
- 10
- 17
Cloudy
Today 18 Sep Lower Eyre Peninsula
Sunny. Winds northerly 25 to 40 km/h turning westerly 25 to 35 km/h in the early afternoon then decreasing to 15 to 25 km/h in the late afternoon. Daytime maximum temperatures in the low to high 20s.
Central Coastal Waters
- Wind
- Northerly 15 to 20 knots, reaching up to 25 knots in the west in the early afternoon. Winds turning westerly in the early afternoon.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres around midday, then decreasing to 1 metre later in the evening.
- 1st Swell
- Southwesterly 3 metres, tending westerly 2.5 to 3 metres during the morning, then tending southwesterly 2.5 metres during the afternoon.
- Weather
- Sunny.
- Weather Situation
- A high pressure system lies over NSW with a ridge extending into the east of the state. A weak trough will move over South Australian waters later today, settling over the far northeast tonight before clearing on Friday. A cold front will pass over the south during Friday afternoon with a southwesterly flow persisting through the weekend as a ridge of high pressure extends over northern parts of the state.
Smith Island Temperature Statistics View More
September Temperature
Port Lincoln Airport (45km)
Lowest 2 September, 2025
4 °CAverage September
12.9 °CHighest 6 September, 2025
27.5 °C
Climate (2020–Present)
Port Lincoln Airport (45km)
Average Low 2020–2025
11.4 °CAverage 2020–2025
15.8 °CAverage High 2020–2025
21.3 °C