Halfmoon Bay Weather Forecast

    • 14
    • 21

    Possible shower

    • 11
    • 21

    Mostly sunny

    • 13
    • 22

    Mostly sunny

    • 15
    • 22

    Partly cloudy

    • 12
    • 19

    Shower or two

    • 10
    • 19

    Partly cloudy

    • 11
    • 20

    Partly cloudy

Today 22 Apr King Island

Partly cloudy. Slight chance of a shower, most likely late this afternoon and evening. Winds northeasterly 20 to 30 km/h tending northerly 15 to 25 km/h in the middle of the day then becoming light in the early afternoon. Daytime maximum temperatures in the low 20s.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Northeasterly 15 to 25 knots, reaching up to 30 knots south of King Island during the morning and early afternoon. Winds shifting west to southwesterly 10 to 15 knots during the afternoon and evening then tending south to southwesterly in the late evening.
Seas
2 to 3 metres, decreasing to 1 to 2 metres during the afternoon, then decreasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres south of King Island.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A high over the Southern Tasman Sea extends a ridge over the state. A weak cold front is approaches Tasmania this morning crossing the state late today and early Thursday ahead of another high that will move over Tasmania and into the Tasman Sea on Thursday. A northwesterly airstream will prevail on Friday, ahead of cold front expected to move over Tasmania over the weekend.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Halfmoon Bay Temperature Statistics View More

April Temperature

King Island Airport (8km)

  • Lowest 19 April, 2026

    1 °C
  • Average April

    13.9 °C
  • Highest 2 April, 2026

    20.5 °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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