Moulting Bay Weather Forecast

    • 4
    • 20

    Partly cloudy

    • 13
    • 23

    Possible shower

    • 13
    • 20

    Showers

    • 11
    • 15

    Possible shower

    • 9
    • 15

    Possible shower

    • 8
    • 17

    Possible shower

    • 9
    • 19

    Partly cloudy

Today 29 Sep St Helens

Partly cloudy. Light winds becoming north to northwesterly 15 to 25 km/h in the morning.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Variable about 10 knots becoming northerly 15 to 20 knots in the early morning.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore around midday.
1st Swell
Southerly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore.
Weather
Mostly sunny.
Weather Situation
A high pressure system centred to the northeast of Tasmania extends a ridge over the state and is forecast to continue moving further east in coming days. Northerly flow is expected to build over Tasmania today ahead of an approaching trough, forecast to cross Wednesday morning. A broad trough is forecast to cross the state during Thursday as a cold front approaches from the west, crossing Friday evening. A ridge of high pressure is then expected to approach Tasmania from the west during Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Moulting Bay Temperature Statistics View More

September Temperature

St Helens Aerodrome (4km)

  • Lowest 22 September, 2026

    1.7 °C

  • Average September

    12.1 °C

  • Highest 20 September, 2026

    23.6 °C

Climate (2021–2026)

St Helens Aerodrome (4km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    18.4 °C
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