Blanche Bay Weather Forecast

    • 14
    • 21

    Cloudy

    • 12
    • 15

    Shower

    • 11
    • 16

    Shower

    • 12
    • 18

    Shower

    • 11
    • 20

    Cloudy

    • 11
    • 24

    Partly cloudy

    • 14
    • 29

    Sunny

Today 25 Mar Lower South East

Cloudy. Winds southwesterly 15 to 25 km/h becoming light in the late evening.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southwesterly 10 to 15 knots, reaching up to 20 knots south of Port MacDonnell during the afternoon and evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres south of Port MacDonnell.
1st Swell
Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Cloudy.
Weather Situation
A trough will contract off the east coast of Victoria late Wednesday evening with a cold front set to follow on Thursday. A cold southerly airstream will establish in the wake of this front with another trough lingering in Bass Strait into Thursday evening. This trough will linger off the Gippsland coast on Friday with a low pressure system establishing in the Tasman Sea. A high pressure system will begin to slowly move in from the west on Friday, centring itself over Victoria on Sunday.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Blanche Bay Temperature Statistics View More

March Temperature

Mount Gambier Airport (35km)

  • Lowest 10 March, 2026

    7.2 °C
  • Average March

    16.5 °C
  • Highest 23 March, 2026

    31.5 °C

Climate (2021–Present)

Mount Gambier Airport (35km)

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  • Average Low 2021–2026

    8.8 °C
  • Average 2021–2026

    13.7 °C
  • Average High 2021–2026

    20 °C
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