Gunnamatta Beach Weather Forecast
- 8
- 13
Rain
- 7
- 13
Rain
- 7
- 14
Shower
- 8
- 14
Shower
- 7
- 15
Shower
- 8
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Shower
- 8
- 14
Shower
Today 9 Aug Mornington Peninsula
Cloudy. Very high chance of rain. Winds northeasterly 30 to 45 km/h.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- Northeasterly 15 to 25 knots, reaching up to 30 knots in the far west during the day.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2.5 metres offshore.
- 1st Swell
- West to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres in the far west.
- Weather
- Cloudy. Near 100% chance of rain.
- Weather Situation
- A high pressure system sits over the Tasman Sea, with a vigorous cold front moving across South Australia and a low expected to develop near Adelaide during today. The low and an associated front will move over Victoria on Monday morning and away towards Tasmania around the middle of the day, with a trough trough to cross the during the day. A narrow ridge is expected to build over Victoria on Tuesday, ahead of another cold front to cross the state early Wednesday.
Gunnamatta Beach Temperature Statistics View More
August Temperature
Cerberus (28km)
Lowest 2 August, 2026
2.3 °CAverage August
9.9 °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