Portland Bay Marina Weather Forecast
- 11
- 25
Clear
- 14
- 24
Mostly sunny
- 15
- 25
Possible shower
- 12
- 20
Shower or two
- 10
- 19
Partly cloudy
- 10
- 23
Partly cloudy
- 11
- 19
Partly cloudy
Today 23 Apr South West
Clear. Winds northerly 15 to 20 km/h.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- Northeasterly 10 to 15 knots turning northerly in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2.5 to 3 metres.
- Weather
- Clear.
- Weather Situation
- A high pressure system over the southern Tasman Sea extends a ridge over Victoria. The high remains near stationary over the coming days. A trough approaches from the west on Saturday, before weakening over western Victoria Sunday with the ridge remaining dominant.
Portland Bay Marina Temperature Statistics View More
April Temperature
Cape Nelson Lighthouse (11km)
Lowest 19 April, 2026
9.2 °CAverage April
15.1 °CHighest 19 April, 2026
23 °C
Climate (2021–Present)
Cape Nelson Lighthouse (11km)
Average Low 2021–2026
11.8 °CAverage 2021–2026
14.3 °CAverage High 2021–2026
17.6 °C