Portland Offshore Weather Forecast

    • 14
    • 37

    Sunny

    • 15
    • 20

    Cloudy

    • 14
    • 27

    Partly cloudy

    • 14
    • 18

    Shower or two. Windy

    • 12
    • 17

    Cloudy

    • 10
    • 18

    Cloudy

    • 13
    • 17

    Cloudy

Today 7 Jan South West

Sunny. Winds north to northeasterly 20 to 30 km/h tending north to northwesterly 25 to 40 km/h in the morning then tending northeast to southeasterly 15 to 25 km/h in the late evening. Overnight temperatures falling to around 16 with daytime temperatures reaching around 40.

Extreme Fire Danger Rating

Take action now to protect life and property

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
North to northeasterly 10 to 15 knots tending northwest to southwesterly in the morning then becoming variable about 10 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Offshore Temperature Statistics View More

January Temperature

Cape Nelson Lighthouse (9km)

  • Lowest 6 January, 2026

    11.4 °C

  • Average January

    15.6 °C

  • Highest 5 January, 2026

    20.2 °C

Climate (2021–Present)

Cape Nelson Lighthouse (9km)

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  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    14.3 °C

  • Average High 2021–2026

    17.5 °C
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