Gunnamatta Beach Weather Forecast
- 11
- 16
Shower
- 10
- 16
Shower
- 8
- 15
Shower
- 9
- 15
Shower
- 7
- 16
Partly cloudy
- 10
- 17
Shower
- 10
- 15
Shower
Today 19 Aug Mornington Peninsula
Cloudy. Very high chance of showers. Damaging winds possible. Winds northerly 35 to 50 km/h decreasing to 15 to 25 km/h in the late evening.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- Northerly 15 to 25 knots, reaching up to 30 knots in the west in the late morning and early afternoon. Winds turning northwesterly 15 to 20 knots in the late evening.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- Southwesterly around 1 metre, increasing to 1 to 2 metres in the west.
- Weather
- Cloudy. 95% chance of rain. The chance of a thunderstorm in the west from the late morning.
- Weather Situation
- A large high pressure system over the Tasman Sea is responsible for northerly winds across Victoria. A weak front will move across the state later today. A ridge of high pressure will become established over the north with further weak features passing to the south in a broad westerly flow. A high pressure system is expected to be centred over the state on the weekend.
Gunnamatta Beach Temperature Statistics View More
August Temperature
Cerberus (28km)
Lowest 2 August, 2026
2.3 °CAverage August
10.5 °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