Mason Bay Weather Forecast

    • 15
    • 22

    Shower

    • 14
    • 17

    Windy

    • 10
    • 20

    Shower

    • 11
    • 18

    Shower

    • 9
    • 19

    Shower

    • 9
    • 21

    Sunny

    • 9
    • 22

    Sunny

Today 31 May South East Coastal

Partly cloudy. High chance of showers, becoming less likely in the afternoon. The chance of a thunderstorm in the east in the late afternoon and evening. Damaging winds possible. Winds northerly 30 to 45 km/h turning northwesterly 35 to 50 km/h in the morning. Daytime maximum temperatures in the low 20s.

Esperance Coastal Waters

Bremer Bay to Israelite Bay
Wind
North to northeasterly 20 to 30 knots turning northwesterly in the late morning. Winds reaching up to 40 knots during the afternoon and evening.
Seas
2 to 3 metres, increasing to 2 to 4 metres west of Esperance around midday.
1st Swell
Southwesterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Weather
Cloudy. 90% chance of showers. The chance of a thunderstorm.
Weather Situation
A weak ridge lies over the southwest of the state. A cold front will cross the west coast early Sunday morning. A deep low pressure system will then move close to the South West Capes during Sunday evening and along the south coast Monday morning. Strong to gale force winds are expected, easing during Monday. Another weaker cold front moves over coastal waters on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mason Bay Temperature Statistics View More

May Temperature

Hopetoun North (29km)

  • Lowest 9 May, 2026

    6.3 °C

  • Average May

    14.9 °C

  • Highest 21 May, 2026

    28.8 °C

Climate (2021–Present)

Hopetoun North (29km)

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  • Average Low 2021–2026

    12 °C

  • Average 2021–2026

    16.3 °C

  • Average High 2021–2026

    21.8 °C
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