Portland Offshore Weather Forecast

    • 7
    • 16

    Shower or two

    • 9
    • 15

    Shower or two

    • 9
    • 14

    Possible shower

    • 6
    • 14

    Partly cloudy

    • 5
    • 14

    Partly cloudy

    • 5
    • 16

    Mostly sunny

    • 8
    • 16

    Shower or two

Today 23 Jun South West

Partly cloudy. Patchy fog in the north in the late morning. Medium chance of showers near the coast, slight chance elsewhere. Winds northwesterly 15 to 25 km/h becoming light in the late afternoon. Daytime maximum temperatures around 14.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
West to northwesterly 10 to 15 knots, reaching up to 20 knots in the east in the late morning and early afternoon.
Seas
1 to 1.5 metres.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy. 80% chance of showers.
Weather Situation
A high pressure ridge lies over southern Australia. A weak cold front will cross Tasmania during today and impact the far south of the state. The high is then forecast to drift slowly over Tasmania during the second half of the week bringing stable conditions to Victoria.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Offshore Temperature Statistics View More

June Temperature

Cape Nelson Lighthouse (9km)

  • Lowest 15 June, 2026

    4.9 °C

  • Average June

    13 °C

  • Highest 12 June, 2026

    19 °C

Climate (2021–2026)

Cape Nelson Lighthouse (9km)

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  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    17.6 °C
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