Portland Offshore Weather Forecast

    • 9
    • 21

    Mostly sunny

    • 11
    • 22

    Partly cloudy

    • 12
    • 24

    Sunny

    • 15
    • 25

    Mostly sunny

    • 17
    • 25

    Shower or two

    • 12
    • 19

    Cloudy

    • 13
    • 26

    Sunny morning. Shower or two

Today 16 Oct South West

Partly cloudy. Slight chance of a shower during this afternoon and early evening. Winds east to northeasterly 15 to 20 km/h tending north to northeasterly 15 to 25 km/h in the morning then tending east to northeasterly 15 to 20 km/h in the late afternoon. Daytime maximum temperatures in the low 20s.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northeasterly 10 to 15 knots turning easterly in the late morning and early afternoon. Winds reaching up to 20 knots offshore during the morning and again in the late evening.
Seas
1 to 2 metres, decreasing below 1 metre during the morning.
1st Swell
Southwesterly 1.5 metres.
Weather
Mostly sunny.
Weather Situation
A ridge extends over Victoria, as a high pressure system moves over the Tasman Sea, expected remain near stationary through the weekend. A northwesterly flow is forecast to develop over the state on Monday, as a cold front approaches from the west.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Offshore Temperature Statistics View More

October Temperature

Cape Nelson Lighthouse (9 km)

  • Lowest 5 October, 2026

    7.8 °C

  • Average October

    13.7 °C

  • Highest 8 October, 2026

    25.1 °C

Climate (2021–2026)

Cape Nelson Lighthouse (9 km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    17.7 °C
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