Undertow Bay Weather Forecast

    • 9
    • 21

    Sunny

    • 13
    • 23

    Shower or two

    • 10
    • 17

    Rain easing

    • 8
    • 15

    Shower or two

    • 7
    • 20

    Sunny

    • 11
    • 20

    Showers

    • 6
    • 13

    Showers

Today 14 Sep Wonthaggi

Sunny. Winds northwesterly 20 to 30 km/h tending northerly 20 to 25 km/h in the evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
North to northwesterly 15 to 20 knots increasing to 20 to 25 knots in the evening.
Seas
Around 1 metre, increasing to 1 to 2 metres during the morning.
1st Swell
Southwesterly 1.5 to 2 metres, increasing to 2.5 to 3 metres in the far west.
Weather
Mostly sunny.
Weather Situation
A large high pressure system over southeastern Australia will move out into the Tasman Sea today, turning winds north to northwesterly over Bass Strait. Winds strengthening on Monday as a cold front approaches, then turning westerly on Tuesday as the front crosses Bass Strait. A weak high pressure system then passes to the north of Victoria on Wednesday.
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 6 September, 2025

    3.2 °C

  • Average September

    11.8 °C

  • Highest 7 September, 2025

    22 °C

Climate (2020–Present)

Pound Creek (16km)

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  • Average Low 2020–2025

    9.5 °C

  • Average 2020–2025

    14.1 °C

  • Average High 2020–2025

    19.5 °C
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