Portland Offshore Weather Forecast

    • 8
    • 15

    Showers

    • 9
    • 13

    Showers

    • 8
    • 13

    Shower or two

    • 6
    • 13

    Shower or two

    • 7
    • 14

    Showers

    • 8
    • 13

    Shower or two

    • 7
    • 14

    Possible shower

Today 19 Jun South West

Cloudy. Very high chance of showers. The chance of a thunderstorm during the morning and afternoon. Winds north to northwesterly 20 to 30 km/h turning west to southwesterly 15 to 25 km/h in the early afternoon. Daytime maximum temperatures around 14.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
North to northwesterly 20 to 30 knots shifting southerly in the late afternoon.
Seas
2 to 3 metres, decreasing to 1.5 to 2 metres around midday, increasing to 2 to 3 metres in the west by early evening.
1st Swell
Southwesterly 1.5 to 2 metres, increasing to 2 to 4 metres during the morning.
Weather
Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the west during the morning and afternoon.
Weather Situation
A cold front moves into the southwest of the state late Friday, and crosses the State during Saturday. A high pressure system over South Australia extends a ridge into Victoria later Saturday, persisting throughout the weekend and into Monday.
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

    13.5 °C

  • Highest 12 June, 2026

    19 °C

Climate (2021–2026)

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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