Gunnamatta Beach Weather Forecast
- 10
- 16
Shower
- 8
- 15
Shower
- 9
- 15
Shower
- 7
- 16
Partly cloudy
- 10
- 17
Shower
- 9
- 15
Shower
- 8
- 14
Shower
Today 20 Aug Mornington Peninsula
Partly cloudy. Very high chance of showers, most likely in the late afternoon and evening. Winds northwesterly 15 to 25 km/h becoming light in the early afternoon then becoming northwesterly 15 to 20 km/h in the evening.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- Northwesterly 15 to 25 knots, reaching up to 30 knots in the far west early in the morning.
- Seas
- 1 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
- 1st Swell
- West to southwesterly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore.
- Weather
- Partly cloudy. 90% chance of showers.
Gunnamatta Beach Temperature Statistics View More
August Temperature
Cerberus (28km)
Lowest 2 August, 2026
2.3 °CAverage August
10.8 °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