Portland Offshore Weather Forecast
- 15
- 39
Windy. Partly cloudy
- 14
- 20
Partly cloudy
- 13
- 25
Sunny
- 16
- 35
Mostly sunny
- 16
- 21
Partly cloudy
- 15
- 19
Partly cloudy
- 16
- 24
Partly cloudy
Today 24 Jan South West
Partly cloudy. The chance of smoke haze in the southeast. Winds northwest to southwesterly 25 to 40 km/h tending south to southwesterly 25 to 35 km/h in the evening.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- Westerly 15 to 20 knots turning south to southwesterly in the evening.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly 1 to 1.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A trough of low pressure over far western parts of the state will continue across remaining parts overnight and during Sunday. A high pressure centre is expected to lie to the southwest of the state on Sunday and then expected to move eastwards to be over the Tasman Sea on Monday. A northerly airstream is expected on Tuesday ahead of another trough moving in from the west and reaching central districts in the evening and remaining districts on Wednesday.
Portland Offshore Temperature Statistics View More
January Temperature
Cape Nelson Lighthouse (9km)
Lowest 6 January, 2026
11.4 °CAverage January
16.6 °CHighest 7 January, 2026
32.6 °C
Climate (2021–Present)
Cape Nelson Lighthouse (9km)
Average Low 2021–2026
11.8 °CAverage 2021–2026
14.3 °CAverage High 2021–2026
17.5 °C