Gunnamatta Beach Weather Forecast
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Shower
- 6
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Shower
- 6
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Shower
- 8
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Shower
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Shower
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Shower
Today 22 Jul Mornington Peninsula
Partly cloudy. Very high chance of showers, most likely in the afternoon and evening. Winds northwesterly 25 to 35 km/h tending westerly in the early afternoon.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- Northwesterly 20 to 25 knots, reaching up to 30 knots in the far east in the late morning and afternoon. Winds turning westerly in the late morning.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- West to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the afternoon.
- Weather
- Cloudy. 95% chance of showers, with possible small hail at night.
- Weather Situation
- A weak cold is moving across southern Victoria and Bass Strait today. A high pressure system in the Bight will extend a ridge east over Victoria and Bass Strait on Thursday behind the front. A firm ridge will then persist over Bass Strait from Friday and across the weekend directing a westerly flow.
Gunnamatta Beach Temperature Statistics View More
July Temperature
Cerberus (28km)
Lowest 19 July, 2026
1.3 °CAverage July
10 °CHighest 1 July, 2026
17.9 °C
Climate (2021–2026)
Cerberus (28km)
Average Low 2021–2026
10.2 °CAverage 2021–2026
14.6 °CAverage High 2021–2026
19.7 °C