Port Arthur Jetty Weather Forecast
- 15
- 25
Mostly sunny
- 15
- 23
Partly cloudy
- 13
- 22
Partly cloudy
- 14
- 23
Sunny
- 14
- 23
Shower or two
- 13
- 20
Shower or two
- 10
- 19
Possible shower
Today 27 Jan South East
Mostly sunny. Slight chance of a shower in the far south in the evening. Near zero chance of rain elsewhere. Winds northwest to northeasterly 25 to 35 km/h tending southeast to southwesterly 20 to 30 km/h in the evening then tending northwest to southwesterly 15 to 20 km/h in the late evening. Overnight temperatures falling to between 9 and 14 with daytime temperatures reaching 25 to 35.
South East Coastal Waters
Tasman Island to South East Cape- Wind
- North to northeasterly 15 to 25 knots, reaching up to 30 knots in the late morning and afternoon. Winds shifting west to southwesterly 15 to 20 knots in the late evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
- 1st Swell
- Southwesterly 1.5 to 2.5 metres.
- Weather
- Mostly sunny.
Port Arthur Jetty Temperature Statistics View More
January Temperature
Tasman Island (16km)
Lowest 11 January, 2026
5.8 °CAverage January
13.6 °CHighest 6 January, 2026
20.3 °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