Portland Offshore Weather Forecast

    • 13
    • 19

    Showers increasing

    • 12
    • 16

    Showers easing

    • 7
    • 14

    Showers

    • 9
    • 13

    Showers easing

    • 8
    • 13

    Shower or two

    • 5
    • 14

    Possible shower

    • 8
    • 14

    Shower or two

Today 17 Jun South West

Partly cloudy. High chance of showers in the west, medium chance elsewhere. Winds north to northeasterly 20 to 30 km/h. Daytime maximum temperatures around 18.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northerly 15 to 20 knots, reaching up to 25 knots inshore in the far east during the late morning.
Seas
Around 1 metre, increasing to 1 to 1.5 metres in the far west.
1st Swell
West to southwesterly 1.5 to 2.5 metres.
Weather
Partly cloudy. 90% chance of showers.
Weather Situation
A low pressure system over the Bight is combining with a high pressure system over the Tasman Sea to direct a warm northerly airstream across Victoria. The low will move slowly south during today before a front associated with the low crosses Victoria on Thursday. The low will weaken and move to the southeast of Tasmania on Friday as a cold front approaches from the southwest. A high pressure system will move south of the Bight during Saturday as the front crosses southern 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

    13.2 °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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