Cleft Island Weather Forecast
- 10
- 17
Windy. Mostly clear
- 14
- 17
Very windy. Sunny
- 13
- 23
Very windy. Sunny
- 10
- 13
Possible shower. Windy
- 10
- 14
Mostly sunny
- 11
- 15
Partly cloudy
- 11
- 17
Partly cloudy
Today 18 Sep West and South Gippsland
Mostly clear. Winds northwesterly 20 to 30 km/h.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- Northwesterly 15 to 25 knots, reaching up to 30 knots offshore during the afternoon and evening.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the west.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system over NSW will persist into Saturday as a cold front crosses waters south of the Bight. The front is forecast to enter western Victoria on Sunday afternoon, reaching central districts during the evening before crossing eastern Victoria on Sunday night. A high pressure system south of the Bight will move quickly east on Monday, moving over western Bass Strait by Monday night as it extends a ridge over southern Victoria. The high will then move over the Tasman Sea on Tuesday.
Cleft Island Temperature Statistics View More
September Temperature
Wilsons Promontory Lighthouse (11km)
Lowest 16 September, 2026
7.3 °CAverage September
12.9 °CHighest 13 September, 2026
24.2 °C
Climate (2021–2026)
Wilsons Promontory Lighthouse (11km)
Average Low 2021–2026
12.5 °CAverage 2021–2026
14.4 °CAverage High 2021–2026
16.9 °C