Portland Bay Marina Weather Forecast

    • 7
    • 21

    Shower or two

    • 12
    • 18

    Cloudy

    • 9
    • 23

    Cloud clearing

    • 15
    • 21

    Shower or two

    • 11
    • 22

    Partly cloudy

    • 13
    • 25

    Partly cloudy

    • 15
    • 24

    Shower or two

Today 19 Apr South West

Partly cloudy. Medium chance of showers, becoming less likely in the late afternoon and evening. The chance of a thunderstorm in the west in the late morning and afternoon. Winds north to northwesterly 15 to 20 km/h becoming light in the evening. Daytime maximum temperatures between 19 and 22.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northwest to northeasterly 10 to 15 knots tending southwesterly in the evening.
Seas
Around 1 metre.
1st Swell
Southerly 1.5 to 2 metres, decreasing to 1.5 metres during the afternoon.
Weather
Partly cloudy. 50% chance of showers. The chance of a thunderstorm in the west in the late morning.
Weather Situation
A high pressure system directs cool southerly flow across the state. This high pressure system will gradually move across the state on the weekend ahead of a weakening trough later today. A high pressure system will move south of Tasmanian early next week maintaining a ridge over Victoria.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Bay Marina Temperature Statistics View More

April Temperature

Cape Nelson Lighthouse (11km)

  • Lowest 8 April, 2026

    9.4 °C

  • Average April

    14.8 °C

  • Highest 9 April, 2026

    21.4 °C

Climate (2021–Present)

Cape Nelson Lighthouse (11km)

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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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