Port Arthur Jetty Weather Forecast
- 9
- 17
Mostly clear
- 12
- 19
Showers increasing
- 7
- 13
Showers
- 8
- 15
Showers easing. Windy
- 11
- 17
Shower or two
- 11
- 16
Cloudy
- 11
- 16
Cloudy
Today 5 May South East
Partly cloudy. Winds northwesterly 15 to 25 km/h.
South East Coastal Waters
Tasman Island to South East Cape- Wind
- Northwesterly 15 to 20 knots, reaching up to 30 knots offshore.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2.5 metres offshore.
- 1st Swell
- Southwesterly 2.5 to 3 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A cold front approaches Tasmania from the west and is forecast to cross the state on Wednesday. In its wake, a cold southwesterly airstream will prevail on Thursday and Friday, before weakening on Saturday as a ridge of high pressure moves in from the west.
Port Arthur Jetty Temperature Statistics View More
May Temperature
Tasman Island (16km)
Lowest 4 May, 2026
12.9 °CAverage May
16.9 °CHighest 1 May, 2026
21.4 °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