Gunnamatta Beach Weather Forecast
- 9
- 15
Cloudy
- 9
- 15
Cloudy
- 9
- 15
Cloudy
- 8
- 20
Shower
- 10
- 16
Shower
- 9
- 17
Shower
- 10
- 16
Shower
Today 29 Aug Mornington Peninsula
Partly cloudy. Light winds becoming westerly 15 to 20 km/h in the morning then tending southwesterly in the middle of the day.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- West to southwesterly 15 to 20 knots, reaching up to 25 knots in the far east in the afternoon.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres around midday.
- 1st Swell
- Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the far west.
- Weather
- Cloudy.
- Weather Situation
- A high pressure system in the Bight extends a ridge over the State during the weekend. The high moves across the State and into the Tasman Sea on Monday. A cold front approaches from the west later Tuesday.
Gunnamatta Beach Temperature Statistics View More
August Temperature
Cerberus (28km)
Lowest 2 August, 2026
2.3 °CAverage August
11.1 °CHighest 24 August, 2026
18 °C
Climate (2021–2026)
Cerberus (28km)
Average Low 2021–2026
10.2 °CAverage 2021–2026
14.6 °CAverage High 2021–2026
19.7 °C