Portland Offshore Weather Forecast

    • 16
    • 27

    Possible shower

    • 16
    • 23

    Shower or two. Possible storm

    • 13
    • 18

    Cloudy

    • 12
    • 28

    Mostly sunny

    • 16
    • 25

    Shower or two

    • 13
    • 19

    Showers

    • 9
    • 14

    Showers

Today 19 Oct South West

Partly cloudy. Slight chance of a shower, most likely in the afternoon and early evening. The chance of a thunderstorm in the southwest in the afternoon and early evening. Winds northerly 25 to 40 km/h. Daytime maximum temperatures in the mid to high 20s.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northerly 10 to 15 knots, reaching up to 20 knots in the far west in the late morning and early afternoon.
Seas
1 to 1.5 metres, decreasing to 1 metre during the afternoon.
1st Swell
Southwesterly 2 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system centred over the Tasman Sea will move slowly eastwards throughout this week. A weak trough will move over western Victoria during Tuesday and Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Offshore Temperature Statistics View More

October Temperature

Cape Nelson Lighthouse (9 km)

  • Lowest 5 October, 2026

    7.8 °C

  • Average October

    14.3 °C

  • Highest 8 October, 2026

    25.1 °C

Climate (2021–2026)

Cape Nelson Lighthouse (9 km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    17.7 °C
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