Gunnamatta Beach Weather Forecast
- 9
- 15
Shower
- 8
- 15
Shower
- 9
- 15
Shower
- 8
- 14
Shower
- 7
- 14
Partly cloudy
- 7
- 16
Partly cloudy
- 8
- 18
Partly cloudy
Today 12 Aug Mornington Peninsula
Partly cloudy. High chance of showers. Winds westerly 20 to 30 km/h.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- Westerly 20 to 25 knots, reaching up to 30 knots in the late morning and afternoon.
- Seas
- 2 to 2.5 metres.
- 1st Swell
- Southwesterly 1.5 to 2.5 metres, increasing to 2 to 4 metres in the west.
- Weather
- Partly cloudy. 90% chance of showers.
- Weather Situation
- A cold front will move across Victoria during Wednesday then a high pressure system is expected to build over the Bight later in the week and extend a ridge across Victoria. The main high pressure centre will move over Tasmania over the weekend and the ridge will move to the south of Victoria.
Gunnamatta Beach Temperature Statistics View More
August Temperature
Cerberus (28km)
Lowest 2 August, 2026
2.3 °CAverage August
10.4 °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