Port Arthur Jetty Weather Forecast
- 11
- 17
Showers increasing. Windy
- 10
- 19
Showers easing
- 11
- 21
Mostly sunny
- 13
- 21
Partly cloudy
- 13
- 21
Possible shower
- 13
- 21
Mostly sunny
- 13
- 22
Mostly sunny
Today 12 Mar South East
Partly cloudy. Very high chance of showers in the south, high chance elsewhere. Snow falling above 1000 metres. Possible small hail in the south this evening. Winds westerly 35 to 50 km/h. Daytime maximum temperatures between 11 and 17.
South East Coastal Waters
Tasman Island to South East Cape- Wind
- Westerly 25 to 30 knots turning southwesterly in the middle of the day. Winds reaching up to 35 knots during the afternoon and evening.
- Seas
- 2.5 to 3 metres, increasing to 2.5 to 4 metres near Cape Bruny during the morning.
- 1st Swell
- West to southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres during the morning, then tending southwesterly 3 to 4 metres by early evening.
- Weather
- Cloudy. Near 100% chance of showers, with possible small hail this evening.
- Weather Situation
- A weak cold front is crossing the state from the west, clearing to the east by the end of the day. A ridge of high pressure is expected to extend over the state from Friday and persisting through the weekend.
Port Arthur Jetty Temperature Statistics View More
March Temperature
Tasman Island (16km)
Lowest 8 March, 2026
10.4 °CAverage March
15 °CHighest 5 March, 2026
23.9 °C
Climate (2021–Present)
Tasman Island (16km)
Average Low 2021–2026
9.3 °CAverage 2021–2026
11.5 °CAverage High 2021–2026
14.5 °C