Flat Rock Weather Forecast

    • 9
    • 15

    Clear

    • 7
    • 15

    Mostly sunny

    • 6
    • 15

    Sunny

    • 8
    • 18

    Partly cloudy

    • 12
    • 18

    Partly cloudy

    • 7
    • 11

    Showers

    • 7
    • 13

    Shower or two

Today 10 Sep South East

Clear. Winds westerly 25 to 35 km/h.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
Westerly 15 to 20 knots, reaching up to 25 knots offshore in the evening.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres later in the evening.
1st Swell
South to southwesterly 2 to 3 metres inshore, increasing to 3 to 5 metres offshore.
Weather
Clear.
Weather Situation
A high pressure system over the Bight approaches Bass Strait today and is forecast to move over Victoria Friday. The high moves over the northern Tasman Sea by early Saturday and continues to move east. A weak trough is expected late Sunday before a cold front approaches the state from the west on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Flat Rock Temperature Statistics View More

September Temperature

Tasman Island (26km)

  • Lowest 9 September, 2026

    4.4 °C

  • Average September

    9.9 °C

  • Highest 1 September, 2026

    15.9 °C

Climate (2021–2026)

Tasman Island (26km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    11.6 °C

  • Average High 2021–2026

    14.6 °C
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