Halfmoon Bay Weather Forecast

    • 13
    • 19

    Cloudy

    • 12
    • 22

    Partly cloudy

    • 15
    • 25

    Mostly sunny

    • 17
    • 22

    Shower or two

    • 13
    • 20

    Partly cloudy

    • 12
    • 17

    Partly cloudy

    • 11
    • 19

    Cloudy

Today 29 Mar King Island

Cloudy. Slight chance of a shower. Winds south to southwesterly 15 to 20 km/h tending west to southwesterly before dawn then becoming light in the evening. Overnight temperatures falling to around 13 with daytime temperatures reaching around 19.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Southwesterly 10 to 15 knots, reaching up to 20 knots east of King Island during the morning. Winds decreasing to about 10 knots in the late evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Cloudy.
Weather Situation
A ridge of high pressure extends over Tasmania from the west, with the high centre expected to move over the state today and out to the Tasman Sea on Monday. A warmer northwesterly airstream will then develop over the state on Tuesday as a low pressure system and associated front approach from the west, forecast to cross on Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Halfmoon Bay Temperature Statistics View More

March Temperature

King Island Airport (8km)

  • Lowest 18 March, 2026

    6.5 °C

  • Average March

    15.8 °C

  • Highest 22 March, 2026

    25 °C

Climate (2021–Present)

King Island Airport (8km)

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  • Average Low 2021–2026

    10.1 °C

  • Average 2021–2026

    13.5 °C

  • Average High 2021–2026

    17.5 °C
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