Triabunna Deepwater Jetty Weather Forecast
- 12
- 23
Showers increasing
- 10
- 18
Shower or two
- 9
- 19
Partly cloudy
- 11
- 24
Sunny
- 15
- 23
Partly cloudy
- 12
- 21
Mostly sunny
- 13
- 26
Possible shower
Today 21 Jan East Coast
Partly cloudy. The chance of fog early this morning. Very high chance of showers, most likely during this afternoon and evening. The chance of a thunderstorm in the north during this afternoon and evening. Light winds becoming northeast to southeasterly 15 to 20 km/h in the middle of the day then tending south to southwesterly 25 to 35 km/h in the evening. Daytime maximum temperatures in the low to mid 20s.
Lower East Coastal Waters
Wineglass Bay to Tasman Island- Wind
- North to northwesterly 10 to 15 knots shifting southerly 20 to 25 knots in the evening. Winds reaching up to 30 knots in the evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres near Tasman Island by early evening.
- 1st Swell
- Southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres by early evening.
- Weather
- Partly cloudy. 90% chance of showers during this afternoon and evening.
- Weather Situation
- A cold front will move across the state from the west today. A high pressure system moves into waters south of the Bight and extends a ridge over Tasmania on Thursday. That high then moves into the Tasman Sea on Friday, directing a northerly stream over the state ahead of a cold front expected over the weekend.
Triabunna Deepwater Jetty Temperature Statistics View More
January Temperature
Maria Island (Point Lesueur) (17km)
Lowest 11 January, 2026
9.5 °CAverage January
16.3 °CHighest 7 January, 2026
23.8 °C
Climate (2021–Present)
Maria Island (Point Lesueur) (17km)
Average Low 2021–2026
10.7 °CAverage 2021–2026
13.4 °CAverage High 2021–2026
16.8 °C