Flat Witch Island Weather Forecast

    • 10
    • 11

    Partly cloudy

    • 8
    • 17

    Shower or two

    • 14
    • 15

    Showers easing. Windy

    • 12
    • 14

    Showers

    • 10
    • 12

    Possible shower

    • 10
    • 12

    Partly cloudy

    • 10
    • 12

    Sunny

Today 28 Sep Western

Mostly clear. Winds west to southwesterly 15 to 20 km/h tending southeast to southwesterly in the late afternoon then tending northeast to southeasterly in the late evening.

South West Coastal Waters

South East Cape to Low Rocky Point
Wind
Westerly 10 to 15 knots, reaching up to 20 knots inshore in the late afternoon. Winds becoming variable about 10 knots in the evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 3 metres inshore, increasing to 3 to 4 metres offshore.
Weather
Cloudy.
Weather Situation
A high pressure system centred to the west of Tasmania extends a ridge over the state and is forecast to cross the state this evening before moving over the Tasman Sea during Tuesday. Northerly flow is expected to build over Tasmania during Tuesday 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, crossing during the day.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Flat Witch Island Temperature Statistics View More

September Temperature

Maatsuyker Island (4km)

  • Lowest 16 September, 2026

    3.8 °C

  • Average September

    10.2 °C

  • Highest 20 September, 2026

    20.6 °C

Climate (2021–2026)

Maatsuyker Island (4km)

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  • Average Low 2021–2026

    9.5 °C

  • Average 2021–2026

    11.7 °C

  • Average High 2021–2026

    14.3 °C
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