Portland Bay Marina Weather Forecast

    • 12
    • 21

    Mostly clear

    • 10
    • 19

    Partly cloudy

    • 8
    • 21

    Partly cloudy

    • 11
    • 23

    Partly cloudy

    • 14
    • 25

    Partly cloudy

    • 16
    • 25

    Partly cloudy

    • 14
    • 22

    Shower or two

Today 26 Apr South West

Mostly clear. Slight chance of a shower in the west, becoming less likely later this evening. Near zero chance of rain elsewhere. Winds west to southwesterly 15 to 25 km/h tending south to southwesterly 15 to 20 km/h in the evening then becoming light in the late evening.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southwesterly 10 to 15 knots decreasing to about 10 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 metres.
Weather
Mostly clear.
Weather Situation
A high pressure system over the southern Tasman Sea continues to extend a ridge over Victoria. The high will remain near stationary over the coming days. A weak trough will enter western Victoria on Sunday before dissipating as the ridge of high pressure redevelops and remains dominant into the new week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Bay Marina Temperature Statistics View More

April Temperature

Cape Nelson Lighthouse (11km)

  • Lowest 19 April, 2026

    9.2 °C

  • Average April

    15.6 °C

  • Highest 23 April, 2026

    27.7 °C

Climate (2021–Present)

Cape Nelson Lighthouse (11km)

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  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    14.3 °C

  • Average High 2021–2026

    17.6 °C
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