Tunnel Bay Weather Forecast

    • 11
    • 21

    Shower or two

    • 11
    • 19

    Partly cloudy

    • 10
    • 19

    Partly cloudy

    • 10
    • 19

    Partly cloudy

    • 11
    • 21

    Sunny

    • 12
    • 20

    Shower or two

    • 11
    • 19

    Shower or two

Today 8 Dec South East

Partly cloudy. Medium chance of showers, becoming less likely in the evening. Winds west to northwesterly 35 to 50 km/h decreasing to 25 to 40 km/h in the late afternoon. Daytime maximum temperatures between 15 and 22.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Northwesterly 20 to 30 knots tending westerly in the early afternoon.
Seas
2 to 3 metres.
1st Swell
Westerly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A northwesterly flow over Tasmania ahead of a cold front crossing the state during the day. Westerly flow behind the cold front then persists on Tuesday, with a trough of low pressure embedded in the westerly flow moving over the state. A high pressure system south of the Bight then extends a ridge over Bass Strait, with another cold front clipping the south later Wednesday. The high moves eastwards to be centred east of Tasmania later Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Tunnel Bay Temperature Statistics View More

December Temperature

Tasman Island (21km)

  • Lowest 7 December, 2025

    5.4 °C

  • Average December

    11.8 °C

  • Highest 4 December, 2025

    24.6 °C

Climate (2020–Present)

Tasman Island (21km)

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  • Average Low 2020–2025

    9.3 °C

  • Average 2020–2025

    11.5 °C

  • Average High 2020–2025

    14.5 °C
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