Portland Offshore Weather Forecast

    • 11
    • 16

    Rain easing

    • 7
    • 15

    Cloudy

    • 5
    • 15

    Showers increasing

    • 11
    • 17

    Showers

    • 12
    • 18

    Showers

    • 11
    • 16

    Showers

    • 9
    • 15

    Showers

Today 13 Jun South West

Cloudy. Very high chance of rain, most likely in the morning and afternoon. Winds northerly 25 to 35 km/h turning westerly 15 to 25 km/h in the early afternoon. Overnight temperatures falling to around 12 with daytime temperatures reaching around 15.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northerly 20 to 25 knots, reaching up to 30 knots during the morning. Winds turning westerly 15 to 25 knots in the late morning.
Seas
2 to 4 metres, decreasing to 1.5 to 2.5 metres around midday.
1st Swell
Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres in the far west.
Weather
Cloudy. Near 100% chance of rain.
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 11 June, 2026

    8.7 °C

  • Average June

    13 °C

  • Highest 9 June, 2026

    18.3 °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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