Portland Offshore Weather Forecast

    • 17
    • 23

    Showers. Storm

    • 18
    • 25

    Rain

    • 16
    • 19

    Showers easing

    • 14
    • 18

    Cloudy

    • 14
    • 20

    Partly cloudy

    • 11
    • 21

    Mostly sunny

    • 13
    • 21

    Cloudy

Today 28 Feb South West

Cloudy. Very high chance of showers. The chance of a thunderstorm, possibly severe with heavy rain which may lead to flash flooding. Winds east to northeasterly 15 to 25 km/h. Daytime maximum temperatures in the mid to high 20s.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Easterly 15 to 20 knots, reaching up to 25 knots in the east during the morning and again in the late evening.
Seas
1 to 2 metres, decreasing below 1.5 metres during the afternoon.
1st Swell
Southwesterly 1.5 metres, decreasing to around 1 metre during the afternoon.
Weather
Partly cloudy. 90% chance of showers. The chance of a thunderstorm.
Weather Situation
A high pressure system over the southern Tasman Sea is directing a moderate to fresh east to northeasterly airstream across Victorian coastal waters. This pattern will continue across the weekend as the high moves slowly east, with a low pressure trough approaching western Bass Strait late on Sunday. The trough is expected to move slowly across western and central waters on Monday before weakening over eastern Bass Strait on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Offshore Temperature Statistics View More

February Temperature

Cape Nelson Lighthouse (9km)

  • Lowest 6 February, 2026

    11 °C

  • Average February

    17.4 °C

  • Highest 16 February, 2026

    36.4 °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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