Tunnel Bay 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, medium chance elsewhere. Snow falling above 1000 metres. The chance of a thunderstorm in the far south at night. Possible small hail in the south in the 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.
1st Swell
Southwesterly 2 to 4 metres.
Weather
Cloudy. Near 100% chance of showers. The chance of a thunderstorm at night. Possible small hail in the 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.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Tunnel Bay Temperature Statistics View More

March Temperature

Tasman Island (21km)

  • Lowest 8 March, 2026

    10.4 °C

  • Average March

    15 °C

  • Highest 5 March, 2026

    23.9 °C

Climate (2021–Present)

Tasman Island (21km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    11.5 °C

  • Average High 2021–2026

    14.5 °C
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