Gantheaume Bay Weather Forecast
- 10
- 23
Mostly sunny
- 11
- 23
Mostly sunny
- 10
- 23
Mostly sunny
- 10
- 23
Partly cloudy
- 10
- 24
Becoming windy. Sunny
- 11
- 26
Becoming windy. Sunny
- 11
- 27
Sunny
Today 27 Sep Central West
Partly cloudy. Medium chance of showers in the morning and afternoon. The chance of a thunderstorm in the morning and afternoon, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the east. Winds north to northwesterly 15 to 20 km/h turning west to southwesterly 20 to 30 km/h in the late morning and early afternoon. Daytime maximum temperatures 21 to 27.
Gascoyne Coastal Waters
Cape Cuvier to Kalbarri- Wind
- South to southwesterly about 10 knots increasing to 10 to 15 knots in the middle of the day. Winds reaching up to 20 knots about Shark Bay in the late afternoon.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly 2 to 3 metres.
- Weather
- Partly cloudy. The chance of a thunderstorm in the morning and afternoon.
- Weather Situation
- An inland trough and low will move west on the weekend across southern and central WA, moving close to the west coast today. A high will develop south of the Bight on the weekend and move east for the following few days. On Monday the low will slip south of the state and the trough will move over south east parts. A cold front will approach on Tuesday and move through during Wednesday.
Gantheaume Bay Temperature Statistics View More
September Temperature
Kalbarri (3km)
Lowest 3 September, 2026
7 °CAverage September
19.6 °CHighest 10 September, 2026
27.2 °C
Climate (2021–2026)
Kalbarri (3km)
Average Low 2021–2026
15.6 °CAverage 2021–2026
22.3 °CAverage High 2021–2026
28.2 °C