Portland Offshore Weather Forecast

    • 11
    • 17

    Rain

    • 13
    • 19

    Showers

    • 12
    • 17

    Showers easing

    • 8
    • 14

    Showers

    • 9
    • 14

    Showers easing

    • 8
    • 14

    Shower or two

    • 7
    • 15

    Possible shower

Today 16 Jun South West

Cloudy. Very high chance of rain. Winds northerly 20 to 30 km/h. Daytime maximum temperatures around 16.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northerly 15 to 20 knots, reaching up to 25 knots offshore during the morning.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
1st Swell
Westerly 2 to 2.5 metres.
Weather
Cloudy. 95% chance of rain.
Weather Situation
A high pressure system over the Tasman Sea is directing a warm northerly airstream across Victoria as a low pressure system develops over the Bight. The low will move slowly south throughout today and Wednesday before a front associated with the low crosses Victoria on Thursday. The low will move to the southeast of Tasmania on Friday with winds tending cooler westerly across Victoria.
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 15 June, 2026

    4.9 °C

  • Average June

    12.9 °C

  • Highest 12 June, 2026

    19 °C

Climate (2021–Present)

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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