Gunnamatta Beach Weather Forecast
- 3
- 15
Clear
- 8
- 16
Sunny
- 8
- 14
Shower
- 6
- 14
Shower
- 8
- 14
Shower
- 7
- 15
Partly cloudy
- 7
- 15
Partly cloudy
Today 1 Aug Mornington Peninsula
Clear. Winds northerly 15 to 20 km/h.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- Northerly 10 to 15 knots.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 1.5 to 2 metres, increasing to 2.5 to 3 metres in the far west.
- Weather
- Clear.
- Weather Situation
- A high pressure system centred over the Tasman Sea will continue to move eastwards on Sunday as a cold front approaches from the west. The front is forecast to cross Victoria on Monday and a high pressure system will move over the Bight. This high is expected to move slowly eastwards over Victoria/southern NSW mid next week.
Gunnamatta Beach Temperature Statistics View More
August Temperature
Cerberus (28km)
Lowest 1 August, 2026
2.7 °CAverage August
5.8 °CHighest
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Climate (2021–2026)
Cerberus (28km)
Average Low 2021–2026
10.2 °CAverage 2021–2026
14.6 °CAverage High 2021–2026
19.7 °C