Flat Top Island Weather Forecast

    • 11
    • 13

    Windy

    • 12
    • 12

    Windy

    • 12
    • 17

    Windy

    • 9
    • 11

    Windy

    • 10
    • 12

    Shower

    • 10
    • 13

    Shower

    • 12
    • 13

    Shower

Today 18 Sep Western

Partly cloudy. Very high chance of showers, most likely in the late afternoon and evening. Damaging winds possible. Winds northwesterly 45 to 65 km/h. Daytime maximum temperatures between 13 and 16.

South West Coastal Waters

South East Cape to Low Rocky Point
Wind
Northwesterly 30 to 40 knots turning westerly 25 to 35 knots in the late evening.
Seas
3 to 4 metres.
1st Swell
Westerly 5 to 6 metres.
Weather
Cloudy. Near 100% chance of showers.
Weather Situation
A high over western Victoria directs a westerly flow over Tasmania. Strong and gusty winds are forecast on Friday as a front passes well to the south of Tasmania. A weak ridge is forecast to extend over the state on Saturday, directing the flow northwesterly, before a cold front crosses the state on Sunday evening. The flow will turn southwesterly on Monday behind the front, as a high establishes over the Bight.
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 16 September, 2026

    3.8 °C

  • Average September

    10.2 °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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