Gunnamatta Beach Weather Forecast
- 9
- 15
Cloudy
- 8
- 14
Partly cloudy
- 5
- 14
Partly cloudy
- 6
- 16
Partly cloudy
- 8
- 17
Partly cloudy
- 10
- 17
Shower
- 11
- 17
Shower
Today 14 Aug Mornington Peninsula
Cloudy. Medium chance of light showers, becoming less likely in the evening. Winds northwesterly 15 to 25 km/h tending westerly in the middle of the day then becoming light in the late afternoon.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- Westerly 15 to 20 knots turning southwesterly in the early afternoon.
- Seas
- 1 to 2 metres, decreasing to 1 to 1.5 metres by early evening.
- 1st Swell
- Southwesterly 2 to 2.5 metres, increasing to 3 to 4 metres in the west.
- Weather
- Cloudy. 50% chance of showers.
- Weather Situation
- A high pressure system developing south of the Bight extends a ridge over Victoria. The high pressure system will drift slowly to the southeast over Tasmania over the weekend and centred over the Tasman Sea by early next week.
Gunnamatta Beach Temperature Statistics View More
August Temperature
Cerberus (28km)
Lowest 2 August, 2026
2.3 °CAverage August
10.6 °CHighest 2 August, 2026
17.4 °C
Climate (2021–2026)
Cerberus (28km)
Average Low 2021–2026
10.2 °CAverage 2021–2026
14.6 °CAverage High 2021–2026
19.7 °C