Island Arch Weather Forecast
- 8
- 21
Partly cloudy
- 8
- 23
Partly cloudy
- 11
- 27
Partly cloudy
- 11
- 24
Partly cloudy
- 14
- 24
Shower
- 14
- 23
Shower
- 12
- 18
Shower
Today 20 Mar South West
Clear. Winds southerly 15 to 25 km/h turning southeasterly 15 to 20 km/h in the evening.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- South to southeasterly about 10 knots increasing to 10 to 15 knots in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2 to 2.5 metres.
- Weather
- Mostly clear.
- Weather Situation
- A ridge of high pressure lies over the south of Victoria, with a broad area of lower pressure lingering about the northeast. This pattern is expected to continue until the trough contracts northwards on Sunday and the ridge extends more broadly across the state. On Tuesday a new slow moving trough will enter from the south west and linger over Victoria.
Island Arch Temperature Statistics View More
March Temperature
Cape Otway (44km)
Lowest 7 March, 2026
11.8 °CAverage March
16.6 °CHighest 10 March, 2026
25.1 °C
Climate (2021–Present)
Cape Otway (44km)
Average Low 2021–2026
11.7 °CAverage 2021–2026
14.2 °CAverage High 2021–2026
17.4 °C