Undertow Bay Weather Forecast

    • 7
    • 20

    Mostly clear

    • 13
    • 20

    Sunny

    • 12
    • 25

    Possible late shower. Windy

    • 9
    • 13

    Shower or two

    • 5
    • 15

    Mostly sunny

    • 6
    • 19

    Mostly sunny

    • 9
    • 21

    Possible shower

Today 18 Sep Wonthaggi

Mostly clear. Winds northwesterly 20 to 30 km/h.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Northwesterly 15 to 25 knots, reaching up to 30 knots offshore during the afternoon and evening.
Seas
1.5 to 2.5 metres.
1st Swell
Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the west.
Weather
Partly cloudy.
Weather Situation
A high pressure system over NSW will persist into Saturday as a cold front crosses waters south of the Bight. The front is forecast to enter western Victoria on Sunday afternoon, reaching central districts during the evening before crossing eastern Victoria on Sunday night. A high pressure system south of the Bight will move quickly east on Monday, moving over western Bass Strait by Monday night as it extends a ridge over southern Victoria. The high will then move over the Tasman Sea on Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Undertow Bay Temperature Statistics View More

September Temperature

Pound Creek (16km)

  • Lowest 12 September, 2026

    1.2 °C

  • Average September

    12.3 °C

  • Highest 13 September, 2026

    24.1 °C

Climate (2021–2026)

Pound Creek (16km)

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  • Average Low 2021–2026

    9.5 °C

  • Average 2021–2026

    14.2 °C

  • Average High 2021–2026

    19.5 °C
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