Gunnamatta Beach Weather Forecast
- 12
- 19
Windy
- 11
- 17
Cloudy
- 11
- 19
Cloudy
- 10
- 28
Sunny
- 15
- 30
Sunny
- 15
- 26
Shower
- 15
- 26
Shower
Today 14 Dec Mornington Peninsula
Cloudy. Slight chance of a shower. Winds southwesterly 35 to 55 km/h decreasing to 25 to 40 km/h in the late evening.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- Southwesterly 25 to 30 knots, reaching up to 35 knots in the far east during the afternoon and evening.
- Seas
- 3 metres.
- 1st Swell
- Southwesterly 2.5 to 3 metres, increasing to 4 to 5 metres in the far west.
- Weather
- Cloudy.
- Weather Situation
- A high pressure system well to the west directs a southwesterly flow over Victoria, before a ridge moves in from the west by late Monday. The ridge is expected to persist over the state as the high pressure centre moves through Bass Strait on Tuesday, and out to the Tasman Sea by Wednesday. A trough is then forecast to move over Victoria late Thursday.
Gunnamatta Beach Temperature Statistics View More
December Temperature
Cerberus (28km)
Lowest 3 December, 2025
6 °CAverage December
16.2 °CHighest 4 December, 2025
34 °C
Climate (2020–Present)
Cerberus (28km)
Average Low 2020–2025
10.1 °CAverage 2020–2025
14.5 °CAverage High 2020–2025
19.5 °C