Mason Bay Weather Forecast

    • 13
    • 18

    Windy

    • 7
    • 20

    Partly cloudy

    • 10
    • 17

    Shower

    • 12
    • 18

    Shower

    • 12
    • 18

    Shower

    • 11
    • 20

    Cloudy

    • 11
    • 23

    Cloudy

Today 4 Sep South East Coastal

Partly cloudy. Slight chance of a shower in the morning and early afternoon. Winds west to northwesterly 25 to 35 km/h tending west to southwesterly 35 to 50 km/h in the late morning. Daytime maximum temperatures between 18 and 21.

Esperance Coastal Waters

Bremer Bay to Israelite Bay
Wind
West to northwesterly 25 to 30 knots tending west to southwesterly 20 to 30 knots in the late morning. Winds reaching up to 35 knots in the late morning and afternoon.
Seas
2 to 3 metres, increasing to 2 to 4 metres east of Hopetoun.
1st Swell
Southwesterly 3 to 4 metres, increasing to 4 to 6 metres during the morning.
Weather
Cloudy. 80% chance of showers.
Weather Situation
A moderate cold front will move east along the south coast today. A stronger cold front will cross the west coast on Saturday night, and move to the Esperance and Eucla coasts on Sunday before contracting inland on Monday as a new ridge develops in the Bight. Meanwhile, a weak ridge persisting over the Geraldton and Gascoyne coasts will dissipate on Saturday.
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 2 September, 2026

    8.6 °C

  • Average September

    13.1 °C

  • Highest 2 September, 2026

    19.3 °C

Climate (2021–2026)

Hopetoun North (29km)

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  • Average Low 2021–2026

    12 °C

  • Average 2021–2026

    16.3 °C

  • Average High 2021–2026

    21.9 °C
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