Cleft Island Weather Forecast

    • 9
    • 14

    Partly cloudy

    • 11
    • 19

    Partly cloudy

    • 13
    • 16

    Shower or two. Becoming windy

    • 10
    • 13

    Showers. Very windy

    • 9
    • 12

    Windy. Cloudy

    • 10
    • 13

    Windy. Cloudy

    • 10
    • 16

    Windy. Cloudy

Today 12 Sep West and South Gippsland

Patches of morning frost in the west. Patchy morning fog. Mostly sunny afternoon. Light winds becoming northwest to northeasterly 15 to 20 km/h in the late evening. Daytime maximum temperatures between 18 and 22.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
North to northeasterly about 10 knots increasing to 10 to 15 knots in the early afternoon.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the west.
Weather
Mostly sunny. The chance of morning fog inshore with reduced visibility.
Weather Situation
A strong high pressure system sits over eastern Victoria. The high will move over the Tasman Sea today, with winds tending warmer northerly. A low pressure trough will move across western and central Victoria later on Sunday, with a weak cold front then forecast to approach southwestern Victoria on Monday. The front will cross late Monday into early Tuesday and a high pressure ridge will push into western Victoria in its wake.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cleft Island Temperature Statistics View More

September Temperature

Wilsons Promontory Lighthouse (11km)

  • Lowest 1 September, 2026

    9.2 °C

  • Average September

    12.7 °C

  • Highest 1 September, 2026

    19.7 °C

Climate (2021–2026)

Wilsons Promontory Lighthouse (11km)

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  • Average Low 2021–2026

    12.5 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    16.9 °C
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