Portland Offshore Weather Forecast

    • 4
    • 15

    Mostly sunny

    • 8
    • 14

    Showers

    • 5
    • 15

    Showers

    • 9
    • 15

    Showers

    • 9
    • 14

    Showers

    • 8
    • 15

    Possible shower

    • 7
    • 15

    Partly cloudy

Today 10 Jul South West

Partly cloudy. Areas of frost and the chance of fog in the east in the morning. Light winds becoming northerly 15 to 25 km/h in the morning. Overnight temperatures falling to between 1 and 4 with daytime temperatures reaching around 14.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northerly about 10 knots increasing to 15 to 20 knots before dawn. Winds reaching up to 25 knots in the far west in the late evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore around midday.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Offshore Temperature Statistics View More

July Temperature

Cape Nelson Lighthouse (9km)

  • Lowest 6 July, 2026

    5.4 °C

  • Average July

    10.8 °C

  • Highest 1 July, 2026

    17.4 °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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