Portland Offshore Weather Forecast

    • 4
    • 15

    Mostly clear

    • 8
    • 14

    Showers

    • 8
    • 15

    Rain

    • 8
    • 13

    Showers easing. Wind easing

    • 7
    • 14

    Showers

    • 7
    • 14

    Showers. Windy

    • 8
    • 15

    Showers

Today 7 Aug South West

Mostly clear. Slight chance of a shower. Winds northerly 15 to 20 km/h becoming light in the evening then becoming north to northeasterly 15 to 20 km/h in the late evening.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
North to northeasterly about 10 knots increasing to 10 to 15 knots in the late 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 will continue to extend a ridge over the state, slowly weakening and drifting eastwards into Saturday. A vigorous cold front will begin to approach from the west on Sunday, reaching central districts during the evening. This front is expected to develop a low pressure system that will move through Bass Strait on Monday morning, drawing a trough over the state. A second cold front is expected to follow this low, crossing Victoria on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Offshore Temperature Statistics View More

August Temperature

Cape Nelson Lighthouse (9km)

  • 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 (9km)

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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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