Twin Karns Beach Weather Forecast
- 11
- 17
Shower
- 12
- 18
Shower
- 8
- 19
Cloudy
- 10
- 19
Shower
- 10
- 19
Shower
- 9
- 19
Shower
- 10
- 16
Shower
Today 19 Sep South West
Cloudy. High chance of showers near the south coast, medium chance elsewhere. Winds westerly 25 to 40 km/h decreasing to 15 to 20 km/h in the evening.
Leeuwin Coastal Waters
Cape Naturaliste to Walpole- Wind
- Westerly 20 to 30 knots, reaching up to 35 knots offshore east of Cape Leeuwin in the early afternoon. Winds decreasing to 20 to 25 knots in the evening then tending southwesterly in the late evening.
- Seas
- 3 to 4 metres, decreasing to 2 to 3 metres during the afternoon.
- 1st Swell
- Westerly 4 to 5 metres.
- Weather
- Cloudy. 70% chance of showers.
- Caution
- Large and powerful surf conditions from midday are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
- Weather Situation
- A cold front moves east across the south coast today. A new ridge moves over the southwest on Sunday before a cold front passes to the south of the State on Monday, moving east along the south coast on Tuesday.
Twin Karns Beach Temperature Statistics View More
September Temperature
Cape Leeuwin (47km)
Lowest 10 September, 2026
10.6 °CAverage September
16 °CHighest 11 September, 2026
23.7 °C
Climate (2021–2026)
Cape Leeuwin (47km)
Average Low 2021–2026
14.9 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
20.8 °C