Portland Offshore Weather Forecast
- 9
- 13
Showers. Becoming windy
- 7
- 12
Showers easing. Wind easing
- 6
- 12
Showers
- 5
- 13
Possible shower
- 3
- 14
Partly cloudy
- 5
- 14
Partly cloudy
- 5
- 14
Shower or two
Today 28 Jul South West
Cloudy. Very high chance of showers, most likely from late this morning. Snow falling above 900 metres. The chance of a thunderstorm in the south this evening. Possible small hail during this afternoon and evening. Damaging winds possible near the coast. Winds north to northwesterly 25 to 35 km/h tending west to northwesterly in the late morning and early afternoon. Daytime maximum temperatures around 13.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- Northwesterly 25 to 30 knots turning westerly in the late morning and early afternoon. Winds reaching up to 35 knots in the evening.
- Seas
- 2 to 3 metres, increasing to 2.5 to 4 metres offshore.
- 1st Swell
- Westerly 2 to 4 metres, increasing to 4 to 6 metres by early evening.
- Weather
- Cloudy. Near 100% chance of showers. The chance of a thunderstorm late this afternoon and evening. Possible small hail during this afternoon and evening.
- Weather Situation
- A cold front is moving over Victoria today with a colder southwesterly airstream will follow. A weakening low pressure system will move across Bass Strait early Wednesday in the wake of Today's front then a high pressure ridge will move across from the west on Thursday and Friday.
Portland Offshore Temperature Statistics View More
July Temperature
Cape Nelson Lighthouse (9km)
Lowest 19 July, 2026
3.4 °CAverage July
11.4 °CHighest 1 July, 2026
17.4 °C
Climate (2021–2026)
Cape Nelson Lighthouse (9km)
Average Low 2021–2026
11.9 °CAverage 2021–2026
14.4 °CAverage High 2021–2026
17.6 °C