Moulting Bay Weather Forecast

    • 11
    • 22

    Mostly sunny

    • 15
    • 27

    Becoming windy. Sunny

    • 11
    • 20

    Partly cloudy

    • 11
    • 22

    Partly cloudy

    • 8
    • 20

    Partly cloudy

    • 11
    • 19

    Shower or two

    • 11
    • 21

    Possible shower

Today 3 Dec St Helens

Mostly sunny. Winds northwesterly 15 to 20 km/h becoming light in the early morning then becoming northwesterly 20 to 30 km/h in the morning.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
West to northwesterly 15 to 25 knots, reaching up to 30 knots offshore during the day. Winds tending north to northwesterly during the afternoon and evening.
Seas
1.5 to 2.5 metres.
1st Swell
Southerly below 1 metre.
Weather
Partly cloudy.
Weather Situation
A high pressure system over South Australia extends ridge over Tasmania. As the high pressure system moves east to be in the Tasman Sea, a northwesterly flow will strengthen over the state on Wednesday. A cold front will cross Tasmania on Thursday, with a westerly flow developing in its wake and persist initially on Friday. Flow tends northwesterly later Friday ahead of an approaching cold front expected to move over the state on Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Moulting Bay Temperature Statistics View More

December Temperature

St Helens Aerodrome (4km)

  • Lowest 2 December, 2025

    6.6 °C

  • Average December

    11.1 °C

  • Highest 1 December, 2025

    17.2 °C

Climate (2020–Present)

St Helens Aerodrome (4km)

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  • Average Low 2020–2025

    9.3 °C

  • Average 2020–2025

    13.3 °C

  • Average High 2020–2025

    18.2 °C
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