Gas Bay Weather Forecast
- 10
- 15
Showers
- 7
- 15
Shower or two
- 6
- 16
Cloudy
- 7
- 17
Cloudy
- 8
- 19
Partly cloudy
- 11
- 21
Showers
- 11
- 18
Showers
Today 7 Sep South West
Cloudy. Very high chance of showers, most likely in the morning and early afternoon. The chance of a thunderstorm in the south in the afternoon and evening. Possible small hail in the afternoon and evening. Winds west to northwesterly 15 to 25 km/h turning southwesterly 20 to 30 km/h during the morning. Overnight temperatures falling to between 5 and 9 with daytime temperatures reaching between 12 and 15.
Leeuwin Coastal Waters
Cape Naturaliste to Walpole- Wind
- Westerly 20 to 25 knots, reaching up to 30 knots offshore east of Cape Leeuwin during the day. Winds tending southwesterly in the morning.
- Seas
- 2 to 2.5 metres.
- 1st Swell
- Southwesterly 3 to 5 metres.
- Weather
- Cloudy. 95% chance of showers. The chance of a thunderstorm east of Cape Leeuwin in the afternoon and evening. Possible small hail.
- Caution
- Large and powerful surf conditions early in the morning are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
Gas Bay Temperature Statistics View More
September Temperature
Cape Leeuwin (43km)
Lowest 3 September, 2025
10.6 °CAverage September
14.2 °CHighest 1 September, 2025
18.4 °C
Climate (2020–Present)
Cape Leeuwin (43km)
Average Low 2020–2025
14.9 °CAverage 2020–2025
17.5 °CAverage High 2020–2025
20.7 °C