Port Arthur Jetty Weather Forecast
- 12
- 16
Showers
- 11
- 15
Showers
- 11
- 17
Rain
- 13
- 18
Showers easing
- 13
- 17
Shower or two
- 11
- 16
Shower or two
- 11
- 15
Shower or two
Today 25 May South East
Cloudy. Very high chance of rain. Winds southerly 20 to 30 km/h turning southeasterly in the evening.
South East Coastal Waters
Tasman Island to South East Cape- Wind
- Southeasterly 20 to 30 knots.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- Southwesterly 2 to 3 metres.
- Weather
- Cloudy. 80% chance of showers.
- Weather Situation
- A high pressure system passes to the south of Tasmania between Tuesday and Thursday, as a broad low pressure system moves slowly over the southeastern mainland. Together they direct an moist easterly airstream over Tasmania through the middle of the week that is expected to bring widespread rain to the east and southeast. A cold front will then slowly approach from the west during Friday.
Port Arthur Jetty Temperature Statistics View More
May Temperature
Tasman Island (16km)
Lowest 8 May, 2026
4.7 °CAverage May
12.6 °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