Undertow Bay Weather Forecast
- 11
- 28
Mostly sunny
- 16
- 25
Possible shower or storm
- 12
- 18
Shower or two. Becoming windy
- 10
- 17
Cloudy
- 10
- 19
Cloudy
- 9
- 26
Sunny
- 14
- 27
Mostly sunny
Today 12 Dec Wonthaggi
Mostly sunny. The chance of a thunderstorm this afternoon. Light winds becoming northeasterly 15 to 20 km/h in the late evening.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- East to northeasterly 15 to 20 knots.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre around midday.
- 1st Swell
- Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres in the far west.
- Weather
- Mostly sunny.
- Weather Situation
- A ridge of high pressure over Tasmania will clear into the Tasman Sea during the day with a trough lingering just across the NSW border along the east coast. A separate trough will then sweep across the state on Saturday, entering from the west in the early morning and clearing in the east by the evening. On Sunday a cold front will skim across the south with a new high pressure ridge developing in its wake on Monday.
Undertow Bay Temperature Statistics View More
December Temperature
Pound Creek (16km)
Lowest 11 December, 2025
4 °CAverage December
14.5 °CHighest 4 December, 2025
32.3 °C
Climate (2020–Present)
Pound Creek (16km)
Average Low 2020–2025
9.5 °CAverage 2020–2025
14.1 °CAverage High 2020–2025
19.4 °C