Tomahawk Island Weather Forecast

    • 4
    • 15

    Partly cloudy

    • 4
    • 17

    Sunny

    • 5
    • 20

    Cloudy

    • 10
    • 21

    Shower

    • 11
    • 18

    Shower

    • 6
    • 15

    Shower

    • 6
    • 19

    Partly cloudy

Today 22 Sep North East

Mostly sunny. Areas of morning frost. Winds west to southwesterly 15 to 20 km/h becoming light in the early morning then becoming northwesterly 15 to 20 km/h in the middle of the day. Overnight temperatures falling to between minus 1 and 4 above zero with daytime temperatures reaching between 12 and 17.

Central North Coastal Waters

Stanley to Flinders Island
Wind
West to southwesterly 10 to 15 knots tending west to northwesterly in the early afternoon then becoming variable about 10 knots in the late evening. Winds reaching up to 20 knots inshore in the afternoon.
Seas
Around 1 metre, increasing to 1 to 1.5 metres inshore during the afternoon.
1st Swell
Westerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Mostly sunny.
Weather Situation
A high pressure system centred over the Bight is expected to move to the north of Tasmania this morning and lie over the northern Tasman Sea during Wednesday and Thursday, maintaining ridge dominated conditions over Tasmania. A trough is forecast to move over the state from the west during Friday ahead of a cold front to cross later.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Tomahawk Island Temperature Statistics View More

September Temperature

Swan Island (33km)

  • Lowest 16 September, 2026

    6.3 °C

  • Average September

    12.6 °C

  • Highest 20 September, 2026

    18.3 °C

Climate (2021–2026)

Swan Island (33km)

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  • Average Low 2021–2026

    12 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    17.5 °C
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