Gunnamatta Beach Weather Forecast
- 8
- 13
Shower
- 7
- 13
Shower
- 4
- 15
Partly cloudy
- 7
- 16
Partly cloudy
- 8
- 14
Shower
- 7
- 14
Shower
- 7
- 14
Shower
Today 30 Jul Mornington Peninsula
Cloudy. High chance of showers, becoming less likely late this afternoon and evening. Winds southwesterly 15 to 25 km/h turning westerly 15 to 20 km/h during the day.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- West to southwesterly 15 to 20 knots.
- Seas
- 1 to 1.5 metres.
- 1st Swell
- Southwesterly 2 to 3 metres.
- Weather
- Cloudy. 80% chance of showers.
- Weather Situation
- A large high pressure system situated in the Bight extends a ridge over Victoria. The high pressure centre will slowly cross the north on Friday before moving into the Tasman Sea on the weekend, continuing to extend a ridge over the state. This ridge will begin to weaken as a cold front approaches the western border late on Sunday.
Gunnamatta Beach Temperature Statistics View More
July Temperature
Cerberus (28km)
Lowest 19 July, 2026
1.3 °CAverage July
10.3 °CHighest 1 July, 2026
17.9 °C
Climate (2021–2026)
Cerberus (28km)
Average Low 2021–2026
10.2 °CAverage 2021–2026
14.6 °CAverage High 2021–2026
19.7 °C