Mason Bay Weather Forecast

    • 13
    • 21

    Storm

    • 15
    • 24

    Shower

    • 11
    • 20

    Partly cloudy

    • 11
    • 20

    Shower

    • 8
    • 17

    Partly cloudy

    • 9
    • 21

    Partly cloudy

    • 11
    • 24

    Partly cloudy

Today 27 Sep South East Coastal

Cloudy. Very high chance of showers. A thunderstorm likely, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the west. Winds easterly 15 to 25 km/h turning northeasterly 20 to 30 km/h during the morning. Overnight temperatures falling to around 11 with daytime temperatures reaching around 20.

Esperance Coastal Waters

Bremer Bay to Israelite Bay
Wind
Easterly 20 to 25 knots, reaching up to 30 knots during the morning and early afternoon. Winds turning northeasterly 15 to 20 knots in the late morning and afternoon.
Seas
2 to 3 metres, decreasing to 1 to 2 metres during the afternoon.
1st Swell
Southwesterly 2 to 3 metres, decreasing to 1.5 to 2 metres during the morning.
Weather
Cloudy. Near 100% chance of showers. The chance of a thunderstorm, with possible squalls west of Hopetoun in the afternoon and evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mason Bay Temperature Statistics View More

September Temperature

Hopetoun North (29km)

  • Lowest 5 September, 2026

    6.2 °C

  • Average September

    15.5 °C

  • Highest 17 September, 2026

    33.9 °C

Climate (2021–2026)

Hopetoun North (29km)

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  • Average Low 2021–2026

    12 °C

  • Average 2021–2026

    16.4 °C

  • Average High 2021–2026

    21.9 °C
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