Portland Harbour Weather Forecast

    • 12
    • 19

    Showers

    • 12
    • 21

    Partly cloudy

    • 11
    • 23

    Mostly sunny

    • 13
    • 21

    Partly cloudy

    • 12
    • 20

    Cloudy

    • 12
    • 19

    Cloudy

    • 11
    • 21

    Partly cloudy

Today 28 Dec South West

Cloudy. High chance of showers in the morning and afternoon. Winds west to northwesterly 20 to 30 km/h tending west to southwesterly 25 to 35 km/h in the early afternoon then becoming light in the late evening. Daytime maximum temperatures in the low 20s.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northwesterly 20 to 25 knots turning westerly 15 to 25 knots during the morning.
Seas
1.5 to 2 metres.
1st Swell
Westerly 2.5 to 3 metres.
Weather
Partly cloudy. 80% chance of showers.
Weather Situation
A high pressure ridge will extend over the coastal waters through until the beginning of next week whilst a trough crosses Bass Strait throughout today. On Monday a trough will deepen over the State ahead of the next ridge that will build over Victoria on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Harbour Temperature Statistics View More

December Temperature

Cape Nelson Lighthouse (11km)

  • Lowest 4 December, 2024

    8.9 °C

  • Average December

    16.9 °C

  • Highest 16 December, 2024

    38.3 °C

Climate (2019–Present)

Cape Nelson Lighthouse (11km)

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  • Average Low 2019–2024

    11.7 °C

  • Average 2019–2024

    14.2 °C

  • Average High 2019–2024

    17.6 °C
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