Mason Bay Weather Forecast
- 8
- 20
Shower
- 10
- 20
Shower
- 13
- 20
Shower
- 10
- 21
Shower
- 10
- 17
Shower
- 11
- 18
Cloudy
- 11
- 18
Cloudy
Today 2 Sep South East Coastal
Partly cloudy. Medium chance of showers near the coast, slight chance elsewhere. Light winds becoming west to northwesterly 20 to 30 km/h in the morning then tending west to southwesterly in the middle of the day. Daytime maximum temperatures around 19.
Esperance Coastal Waters
Bremer Bay to Israelite Bay- Wind
- Westerly 15 to 20 knots, reaching up to 25 knots east of Hopetoun in the late morning and afternoon. Winds turning southwesterly in the late afternoon.
- Seas
- Around 1 metre, increasing to 1 to 2 metres during the morning.
- 1st Swell
- Southwesterly 2.5 to 3 metres, increasing to 2.5 to 4 metres during the afternoon.
- Weather
- Partly cloudy. 70% chance of showers.
- Weather Situation
- A trough is moving eastwards through the South Interior. A ridge has extends over the South West Land Division. Weak cold fronts will move over southern districts on Wednesday and Thursday, followed by a stronger front which will cross the South West Land Division during Saturday and Sunday.
Mason Bay Temperature Statistics View More
September Temperature
Hopetoun North (29km)
Lowest 1 September, 2026
10.3 °CAverage September
11.8 °CHighest
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Climate (2021–2026)
Hopetoun North (29km)
Average Low 2021–2026
12 °CAverage 2021–2026
16.3 °CAverage High 2021–2026
21.9 °C