The Blowhole Weather Forecast
- 17
- 31
Wind easing. Partly cloudy
- 12
- 17
Partly cloudy
- 12
- 18
Showers increasing
- 10
- 15
Possible shower
- 10
- 18
Shower or two
- 12
- 17
Possible shower
- 11
- 16
Mostly sunny
Today 4 Dec South West
Partly cloudy. The chance of a thunderstorm with little or no rainfall during this afternoon and early evening. Winds northerly 25 to 35 km/h tending north to northwesterly 35 to 50 km/h in the morning then shifting south to southwesterly 15 to 25 km/h in the evening. Daytime maximum temperatures around 30.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- North to northwesterly 15 to 25 knots increasing to 20 to 30 knots in the morning then turning west to southwesterly 15 to 25 knots in the late morning and early afternoon. Winds reaching up to 35 knots inshore in the late morning.
- Seas
- 2 to 3 metres, decreasing to 1 to 2 metres during the afternoon.
- 1st Swell
- Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres in the west.
- Weather
- Partly cloudy. The chance of a thunderstorm with little or no rainfall in the west during this afternoon and early evening.
- Weather Situation
- A high pressure system over the Tasman Sea directs a northwesterly flow over Victoria, strengthening this morning ahead of a trough which will cross the state later today. Another weak trough and low pressure system are expected to move over Victoria on Friday, before a cold front moves over the south during Saturday. A ridge of high pressure is then forecast to build over the state on Sunday.
The Blowhole Temperature Statistics View More
December Temperature
Cape Otway (13km)
Lowest 1 December, 2025
9.1 °CAverage December
13.6 °CHighest 2 December, 2025
15.7 °C
Climate (2020–Present)
Cape Otway (13km)
Average Low 2020–2025
11.7 °CAverage 2020–2025
14.2 °CAverage High 2020–2025
17.3 °C