Portsea Surf Beach Weather Forecast

    • 10
    • 18

    Sunny

    • 11
    • 18

    Partly cloudy

    • 10
    • 20

    Partly cloudy

    • 12
    • 20

    Partly cloudy

    • 14
    • 20

    Shower

    • 14
    • 19

    Shower

    • 13
    • 19

    Shower

Today 12 May Mornington Peninsula

Mostly sunny. Light winds becoming easterly 15 to 20 km/h in the late evening.

Port Phillip Local Waters

Wind
North to northeasterly below 10 knots becoming east to southeasterly in the middle of the day.
Seas
Below 0.5 metres.
Weather
The chance of fog in the late morning with reduced visibility. Mostly sunny afternoon.
Weather Situation
A large high pressure system south of Victoria extends a ridge over the state, which will persist for most of the week as the high centre moves over the Tasman Sea. A cold front is expected to approach from the southwest late Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portsea Surf Beach Temperature Statistics View More

May Temperature

Avalon Airport (39km)

  • Lowest 11 May, 2026

    5.3 °C
  • Average May

    14.6 °C
  • Highest 1 May, 2026

    29.3 °C

Climate (2021–Present)

Avalon Airport (39km)

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  • Average Low 2021–2026

    9.7 °C
  • Average 2021–2026

    14.6 °C
  • Average High 2021–2026

    20.6 °C
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