Portland Offshore Weather Forecast

    • 11
    • 25

    Sunny

    • 14
    • 25

    Mostly sunny

    • 15
    • 26

    Mostly sunny

    • 13
    • 22

    Partly cloudy

    • 10
    • 19

    Partly cloudy

    • 10
    • 25

    Mostly sunny

    • 12
    • 19

    Partly cloudy

Today 23 Apr South West

Patchy fog in the early morning. Sunny day. Light winds becoming northerly 15 to 25 km/h in the morning. Overnight temperatures falling to around 9 with daytime temperatures reaching the mid to high 20s.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southeasterly 10 to 15 knots turning east to northeasterly below 10 knots in the early morning then tending north to northeasterly 10 to 15 knots in the morning.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres during the morning.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Offshore Temperature Statistics View More

April Temperature

Cape Nelson Lighthouse (9km)

  • Lowest 19 April, 2026

    9.2 °C

  • Average April

    15.1 °C

  • Highest 19 April, 2026

    23 °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

    17.6 °C
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