Gunnamatta Beach Weather Forecast
- 9
- 15
Cloudy
- 6
- 15
Partly cloudy
- 8
- 14
Shower
- 9
- 15
Cloudy
- 8
- 16
Partly cloudy
- 8
- 19
Partly cloudy
- 12
- 21
Shower
Today 7 Sep Mornington Peninsula
Cloudy. Light winds.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- South to southwesterly 10 to 15 knots, reaching up to 20 knots in the far east.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres in the east.
- 1st Swell
- Southwesterly 1.5 to 2.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system south of the Bight extends a ridge over northern Victoria. A weak cold front will clip southern Victoria on Wednesday before the high pressure system drifts eastward over Victoria later in the week.
Gunnamatta Beach Temperature Statistics View More
September Temperature
Cerberus (28km)
Lowest 1 September, 2026
4.9 °CAverage September
13.1 °CHighest 5 September, 2026
17.6 °C
Climate (2021–2026)
Cerberus (28km)
Average Low 2021–2026
10.2 °CAverage 2021–2026
14.6 °CAverage High 2021–2026
19.7 °C