Portland Offshore Weather Forecast

    • 12
    • 22

    Showers increasing

    • 9
    • 15

    Showers. Windy

    • 9
    • 15

    Showers. Becoming windy

    • 10
    • 15

    Shower or two

    • 11
    • 17

    Possible shower

    • 10
    • 19

    Possible shower

    • 10
    • 17

    Shower or two

Today 9 Apr South West

Partly cloudy. Very high chance of showers. The chance of a thunderstorm in the morning and afternoon, possibly severe with damaging winds about the ranges. Winds northerly 15 to 25 km/h turning northwesterly 25 to 40 km/h in the morning then decreasing to 15 to 25 km/h in the evening. Overnight temperatures falling to around 12 with daytime temperatures reaching the low to mid 20s.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northerly 15 to 20 knots turning west to northwesterly 15 to 25 knots during the morning. Winds reaching up to 30 knots in the afternoon.
Seas
Around 1 metre, increasing to 1.5 to 2.5 metres during the morning.
1st Swell
Southwesterly 2 to 2.5 metres, tending westerly 2.5 to 3 metres by early evening.
Weather
Partly cloudy. Near 100% chance of showers.
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 8 April, 2026

    9.4 °C

  • Average April

    15.4 °C

  • Highest 1 April, 2026

    20.9 °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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