Portland Offshore Weather Forecast

    • 9
    • 25

    Possible late shower

    • 14
    • 19

    Possible early storm. Showers

    • 11
    • 18

    Shower or two

    • 9
    • 17

    Possible shower

    • 10
    • 19

    Possible shower

    • 10
    • 18

    Showers

    • 10
    • 17

    Possible shower

Today 30 Oct South West

The chance of fog in the east in the early morning. Mostly sunny day. Slight chance of a shower in the evening. The chance of a thunderstorm in the west at night. Light winds becoming northeasterly 15 to 20 km/h in the early morning then tending northerly 20 to 30 km/h in the morning. Overnight temperatures falling to around 7 with daytime temperatures reaching the mid to high 20s.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
East to northeasterly about 10 knots increasing to 10 to 15 knots in the early morning then tending north to northeasterly in the late evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • 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

    14.9 °C

  • Highest 22 October, 2026

    33 °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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