Gunnamatta Beach Weather Forecast
- 10
- 15
Shower
- 10
- 14
Shower
- 9
- 14
Shower
- 7
- 14
Shower
- 8
- 15
Shower
- 9
- 13
Shower
- 8
- 14
Partly cloudy
Today 19 Jun Mornington Peninsula
Cloudy. High chance of showers. Winds northwesterly 25 to 35 km/h turning westerly 20 to 30 km/h in the evening.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- West to northwesterly 15 to 25 knots, reaching up to 30 knots in the far east in the late afternoon. Winds tending west to southwesterly 15 to 20 knots in the late evening.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- Southwesterly 1 to 1.5 metres, increasing to 2 to 3 metres in the far west.
- Weather
- Cloudy. 90% chance of showers.
- Weather Situation
- A cold front over western Victoria will cross the rest of Victoria tonight and early Saturday. A cold southerly airstream will follow on Saturday as a high pressure system crosses the Bight. The high will slowly cross South Australia on Sunday and Monday as the next cold front approaches from the west. The front is forecast to cross southern Victoria on Tuesday as the next high moves over waters south of the Bight.
Gunnamatta Beach Temperature Statistics View More
June Temperature
Cerberus (28km)
Lowest 9 June, 2026
2.7 °CAverage June
13 °CHighest 17 June, 2026
20.6 °C
Climate (2021–2026)
Cerberus (28km)
Average Low 2021–2026
10.2 °CAverage 2021–2026
14.6 °CAverage High 2021–2026
19.7 °C