Cleft Island Weather Forecast

    • 9
    • 15

    Sunny

    • 11
    • 17

    Partly cloudy

    • 14
    • 20

    Shower or two

    • 13
    • 19

    Showers

    • 11
    • 15

    Possible shower

    • 11
    • 14

    Mostly sunny

    • 11
    • 15

    Mostly sunny

Today 28 Sep West and South Gippsland

Patches of frost and the chance of fog early this morning. Mostly sunny afternoon. Light winds becoming northeast to southeasterly 15 to 20 km/h in the middle of the day then becoming light in the evening. Daytime maximum temperatures between 16 and 20.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Variable about 10 knots becoming east to southeasterly 10 to 15 knots in the evening then tending east to northeasterly in the late evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Mostly sunny.
Weather Situation
A high pressure system in the Bight extends a ridge over Victoria. This high will slowly drift through Bass Strait and then into the Tasman Sea by Tuesday as a trough approaches from the west. This trough will cross Victoria on Wednesday with a second trough following on Thursday.
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 16 September, 2026

    7.3 °C

  • Average September

    13.4 °C

  • Highest 20 September, 2026

    27.2 °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

    17 °C
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