Hamelin Bay Beach Weather Forecast
- 12
- 18
Showers increasing
- 11
- 17
Shower or two
- 11
- 17
Cloudy
- 7
- 18
Partly cloudy
- 8
- 19
Partly cloudy
- 11
- 20
Shower or two
- 14
- 19
Shower or two
Today 29 Sep South West
Cloudy. The chance of fog in the north early this morning. Very high chance of showers near the Southwest Capes, medium chance elsewhere. Light winds becoming westerly 20 to 30 km/h in the morning then tending northwesterly 15 to 25 km/h in the late afternoon. Daytime maximum temperatures around 18.
Leeuwin Coastal Waters
Cape Naturaliste to Walpole- Wind
- Northwest to southwesterly 15 to 25 knots, reaching up to 30 knots offshore east of Cape Leeuwin in the evening. Winds becoming southwesterly 15 to 20 knots in the late evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2.5 metres around midday.
- 1st Swell
- Southwesterly 2 to 3 metres, decreasing to 2 metres during the afternoon.
- Weather
- Cloudy. 90% chance of showers.
- Weather Situation
- A trough lies over southwest WA with a connected low south of the state. The trough is moving east as a ridge extends over the west coast. A cold front will cross the southwest corner of the state overnight on Tuesday with a ridge then dominating the synoptic pattern for the remainder of the working week.
Hamelin Bay Beach Temperature Statistics View More
September Temperature
Cape Leeuwin (19km)
Lowest 10 September, 2026
10.6 °CAverage September
15.9 °CHighest 18 September, 2026
25.3 °C
Climate (2021–2026)
Cape Leeuwin (19km)
Average Low 2021–2026
14.9 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
20.8 °C