Southerly Bight Weather Forecast

    • 11
    • 17

    Shower or two. Windy

    • 8
    • 15

    Shower or two. Windy

    • 10
    • 20

    Partly cloudy

    • 11
    • 25

    Mostly sunny

    • 11
    • 23

    Possible shower

    • 11
    • 17

    Cloudy

    • 10
    • 18

    Possible shower

Today 14 Dec South East

Cloudy. High chance of showers. Snow falling above 800 metres. The chance of a thunderstorm in the south this afternoon. Possible small hail. Winds northwesterly 30 to 45 km/h turning westerly 35 to 55 km/h in the early morning. Daytime maximum temperatures between 9 and 17.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Northwesterly 20 to 30 knots turning westerly 25 to 40 knots in the early morning.
Seas
1.5 to 2.5 metres, increasing to 2 to 4 metres during the morning.
1st Swell
Westerly 2 to 3 metres, increasing to 3 to 5 metres during the morning, then increasing to 4 to 7 metres during the afternoon.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm during this afternoon and early evening. Possible small hail during this afternoon and evening.
Weather Situation
A cold front continues to cross the state this morning. A southwesterly flow will develop behind the front and persist into tomorrow. A ridge is then expected to extend over Tasmania as a high pressure centre moves through Bass Strait on Tuesday, and out to the Tasman Sea by Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Southerly Bight Temperature Statistics View More

December Temperature

Tasman Island (11km)

  • Lowest 7 December, 2025

    5.4 °C

  • Average December

    12.3 °C

  • Highest 4 December, 2025

    24.6 °C

Climate (2020–Present)

Tasman Island (11km)

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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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