Cleft Island Weather Forecast

    • 13
    • 19

    Shower or two

    • 13
    • 18

    Rain

    • 11
    • 15

    Showers. Becoming windy

    • 11
    • 15

    Showers. Wind easing

    • 11
    • 15

    Becoming windy. Partly cloudy

    • 10
    • 15

    Cloudy

    • 11
    • 16

    Shower or two. Becoming windy

Today 30 Sep West and South Gippsland

Partly cloudy. Medium chance of showers late this afternoon and evening. Winds north to northwesterly 15 to 25 km/h. Daytime maximum temperatures 21 to 27.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
North to northwesterly 15 to 20 knots, reaching up to 25 knots inshore during the morning. Winds tending west to northwesterly 10 to 15 knots in the evening.
Seas
1 to 2 metres, decreasing below 1 metre later in the evening.
1st Swell
Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres in the far west.
Weather
Cloudy. 70% chance of showers.
Weather Situation
A high pressure system over the Tasman Sea is directing a warm northerly airstream across Victoria as a low pressure trough crosses the Bight. The trough is expected to move over western Victoria late on Wednesday before moving slowly across central Victoria during Thursday. The trough is forecast to deepen over eastern Victoria throughout Friday before moving over the Tasman Sea during Saturday as a high pressure system approaches Tasmania.
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

    13.3 °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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