Undertow Bay Weather Forecast

    • 8
    • 16

    Late showers

    • 12
    • 17

    Showers. Possible afternoon storm

    • 11
    • 15

    Showers easing

    • 10
    • 14

    Showers easing

    • 7
    • 14

    Shower or two

    • 9
    • 13

    Partly cloudy

    • 9
    • 14

    Partly cloudy

Today 4 Sep Wonthaggi

Partly cloudy. High chance of showers in the evening. Winds northwesterly 15 to 25 km/h becoming light in the late afternoon then becoming northerly 15 to 20 km/h in the evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Northwesterly 15 to 20 knots, reaching up to 25 knots in the far east in the late morning and early afternoon. Winds turning northerly in the late afternoon.
Seas
1 to 2 metres, decreasing to 1 metre by early evening.
1st Swell
Southwesterly 2.5 to 3 metres, increasing to 3 to 5 metres in the west.
Weather
Partly cloudy. 90% chance of showers.
Weather Situation
A cold front embedded in a westerly flow moves away into the Tasman Sea, as a ridge of high pressure builds over the north of the State today. The high will move into the Tasman Sea later today, ahead of an approaching strong cold front to the west. The front will cross Victoria during Saturday. Another ridge of high pressure extends over the State during Sunday before another cold front clips the south of the State on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Undertow Bay Temperature Statistics View More

September Temperature

Pound Creek (16km)

  • Lowest 1 September, 2026

    4.8 °C

  • Average September

    13.1 °C

  • Highest 1 September, 2026

    20.7 °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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