Flat Top Island Weather Forecast

    • 9
    • 10

    Windy

    • 9
    • 11

    Windy

    • 11
    • 12

    Windy

    • 11
    • 14

    Windy

    • 13
    • 14

    Windy

    • 14
    • 15

    Windy

    • 10
    • 11

    Shower

Today 15 Sep Western

Cloudy. Very high chance of showers. Snow falling above 300 metres. The chance of a thunderstorm during the morning and afternoon. Possible small hail. Winds westerly 25 to 35 km/h turning southwesterly 25 to 40 km/h in the late morning and early afternoon. Daytime maximum temperatures between 5 and 11.

South West Coastal Waters

South East Cape to Low Rocky Point
Wind
Westerly 25 to 30 knots turning southwesterly in the morning.
Seas
2.5 to 3 metres.
1st Swell
Westerly 4 to 5 metres, tending southwesterly 5 metres during the afternoon.
Weather
Cloudy. Near 100% chance of showers. The chance of a thunderstorm during the morning and afternoon. Possible small hail.
Weather Situation
A southwesterly flow is expected to develop over Tasmania during today in the wake of a cold front, as a high in the Bight is forecast to extend a ridge over the state on Wednesday. Flow is expected to turn westerly Thursday as the high moves over Victoria. Strong northwesterly winds are expected on Friday ahead of an approaching trough.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Flat Top Island Temperature Statistics View More

September Temperature

Maatsuyker Island (9km)

  • Lowest 9 September, 2026

    5.4 °C

  • Average September

    10.7 °C

  • Highest 13 September, 2026

    19.4 °C

Climate (2021–2026)

Maatsuyker Island (9km)

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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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