Saint Mary River Entrance Weather Forecast

    • 16
    • 21

    Cloudy

    • 15
    • 22

    Cloudy

    • 15
    • 20

    Windy

    • 13
    • 22

    Cloudy

    • 11
    • 22

    Cloudy

    • 15
    • 23

    Cloudy

    • 15
    • 24

    Partly cloudy

Today 18 Dec South East Coastal

Partly cloudy. Winds southeasterly 20 to 30 km/h decreasing to 15 to 20 km/h in the late evening.

Esperance Coastal Waters

Bremer Bay to Israelite Bay
Wind
Southeasterly 10 to 15 knots, reaching up to 20 knots east of Esperance in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres east of Esperance.
1st Swell
Southwesterly 1.5 metres, increasing to 1.5 to 2 metres east of Hopetoun.
Weather
Cloudy.
Weather Situation
A high pressure system will move eastwards into the Bight on Friday, extending a ridge over southern coastal waters. A west coast trough will develop on Friday. moving inland during the day ahead of a weak front brushing southern coastal waters on Saturday. Another ridge will develop across the southwest in the front's wake.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Saint Mary River Entrance Temperature Statistics View More

December Temperature

Jacup (52km)

  • Lowest 6 December, 2025

    6.5 °C

  • Average December

    19.8 °C

  • Highest 16 December, 2025

    42.3 °C

Climate (2020–Present)

Jacup (52km)

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  • Average Low 2020–2025

    9.5 °C

  • Average 2020–2025

    14.8 °C

  • Average High 2020–2025

    22.4 °C
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