Portland Bay Marina Weather Forecast

    • 4
    • 15

    Partly cloudy

    • 8
    • 14

    Showers easing

    • 8
    • 14

    Rain

    • 8
    • 14

    Showers easing

    • 7
    • 14

    Showers

    • 7
    • 13

    Showers. Windy

    • 8
    • 14

    Shower or two

Today 7 Aug South West

Partly cloudy. Patchy fog this morning, mainly in the west. Slight chance of a shower. Light winds becoming north to northwesterly 15 to 20 km/h in the middle of the day then tending north to northeasterly in the evening. Daytime maximum temperatures around 14.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Variable about 10 knots becoming northeasterly 10 to 15 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system to the northeast extends a ridge over the state. The ridge will slowly move eastwards east of Victoria, making way for northerly flow ahead of a strong cold front. The cold front approaches during Saturday and will cross the state on Sunday. A low pressure system will move across Bass Strait on Monday morning in the wake of Sunday's front.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Bay Marina Temperature Statistics View More

August Temperature

Cape Nelson Lighthouse (11km)

  • Lowest 1 August, 2026

    5.6 °C

  • Average August

    10.2 °C

  • Highest 2 August, 2026

    15.7 °C

Climate (2021–2026)

Cape Nelson Lighthouse (11km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    17.6 °C
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