Gunnamatta Beach Weather Forecast
- 10
- 15
Shower
- 7
- 15
Partly cloudy
- 9
- 17
Shower
- 9
- 15
Shower
- 9
- 15
Shower
- 8
- 16
Cloudy
- 9
- 16
Shower
Today 22 Aug Mornington Peninsula
Cloudy. Medium chance of showers, most likely this morning. Winds west to northwesterly 25 to 35 km/h tending west to southwesterly in the morning then becoming light in the late evening.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- Westerly 20 to 30 knots, reaching up to 35 knots in the far west early in the morning. Winds tending southwesterly 20 to 25 knots in the early afternoon then tending westerly 15 to 20 knots in the late afternoon.
- Seas
- 2 to 3 metres, decreasing below 2 metres by early evening.
- 1st Swell
- West to southwesterly 2 to 3 metres, increasing to 3 to 5 metres in the far west.
- Weather
- Cloudy. 70% chance of showers.
- Weather Situation
- A ridge of high pressure over northern parts of the State will remain throughout the weekend as a couple of cold fronts pass well to the south in a broad westerly flow. The ridge will weaken and move over the Tasman Sea on Monday and a low pressure system and associated trough will approach from the west, moving to the north of the State on Tuesday.
Gunnamatta Beach Temperature Statistics View More
August Temperature
Cerberus (28km)
Lowest 2 August, 2026
2.3 °CAverage August
10.9 °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