Notch Island Weather Forecast
- 14
- 16
Rain
- 14
- 16
Windy
- 14
- 15
Shower
- 14
- 15
Windy
- 13
- 15
Windy
- 14
- 15
Windy
- 15
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Sunny
Today 21 Dec West and South Gippsland
Cloudy. Very high chance of rain, becoming less likely later tonight. A thunderstorm likely early this evening, possibly severe with damaging winds and heavy, possibly intense rain which may lead to flash flooding. Winds northeast to southeasterly 15 to 25 km/h tending west to southwesterly 20 to 30 km/h in the evening.
Central Gippsland Coastal Waters
Wilsons Promontory to Lakes Entrance- Wind
- Easterly 15 to 25 knots shifting west to southwesterly 20 to 25 knots in the evening. Winds reaching up to 30 knots in the evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres in the west by early evening.
- 1st Swell
- Southwesterly below 1 metre.
- Weather
- Cloudy. 90% chance of rain. The chance of a thunderstorm.
- Weather Situation
- A low pressure system lies over eastern Victoria and Bass Strait and is expected to deepen as it moves southeast into the Tasman Sea by late Sunday. A high pressure ridge then builds across Victoria and Bass Strait during Monday. A weak cold front crosses Bass Strait during late Monday and early Tuesday with the ridge re-establishing itself over Bass Strait from Tuesday to Thursday.
Notch Island Temperature Statistics View More
December Temperature
Wilsons Promontory Lighthouse (30km)
Lowest 7 December, 2025
8.7 °CAverage December
15.9 °CHighest 4 December, 2025
31.9 °C
Climate (2020–Present)
Wilsons Promontory Lighthouse (30km)
Average Low 2020–2025
12.4 °CAverage 2020–2025
14.3 °CAverage High 2020–2025
16.9 °C