Saint Mary Bay Weather Forecast

    • 17
    • 21

    Cloudy

    • 16
    • 21

    Cloudy

    • 15
    • 21

    Partly cloudy

    • 15
    • 24

    Sunny

    • 17
    • 26

    Sunny

    • 17
    • 24

    Sunny

    • 17
    • 21

    Partly cloudy

Today 19 Mar West Coast

Cloudy. Slight chance of a shower west of Ceduna in the morning and afternoon. Near zero chance of rain elsewhere. Winds south to southeasterly 15 to 25 km/h becoming light in the early morning then becoming south to southeasterly 15 to 25 km/h in the morning. Overnight temperatures falling to around 16 with daytime temperatures reaching 22 to 27.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Southeasterly 15 to 20 knots.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning, increasing to 1 to 1.5 metres inshore during the afternoon.
1st Swell
Southwesterly 1.5 metres.
Weather
Partly cloudy.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Saint Mary Bay Temperature Statistics View More

March Temperature

Streaky Bay (45km)

  • Lowest 9 March, 2026

    9 °C

  • Average March

    16.9 °C

  • Highest 10 March, 2026

    33.3 °C

Climate (2021–Present)

Streaky Bay (45km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    16.5 °C

  • Average High 2021–2026

    23.6 °C
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