Sentinel Island Weather Forecast

    • 12
    • 23

    Windy

    • 10
    • 13

    Windy

    • 9
    • 14

    Partly cloudy

    • 6
    • 17

    Sunny

    • 8
    • 20

    Cloudy

    • 11
    • 20

    Partly cloudy

    • 11
    • 18

    Shower

Today 20 Sep Furneaux Islands

Mostly sunny. Slight chance of a shower. Winds west to northwesterly 35 to 50 km/h. Overnight temperatures falling to around 12 with daytime temperatures reaching the low to mid 20s.

Central North Coastal Waters

Stanley to Flinders Island
Wind
Northwesterly 15 to 25 knots, reaching up to 30 knots during the day. Winds turning westerly 20 to 25 knots in the late afternoon.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres during the morning, then increasing to 2 to 3 metres around midday.
1st Swell
Westerly 1 to 1.5 metres, decreasing to around 1 metre during the morning, then increasing to 1.5 to 2 metres later in the evening.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sentinel Island Temperature Statistics View More

September Temperature

Flinders Island Airport (34km)

  • Lowest 11 September, 2026

    1.8 °C

  • Average September

    12.5 °C

  • Highest 13 September, 2026

    22.3 °C

Climate (2021–2026)

Flinders Island Airport (34km)

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  • Average Low 2021–2026

    10.4 °C

  • Average 2021–2026

    14.3 °C

  • Average High 2021–2026

    18.4 °C
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