Actaeon Island Weather Forecast

    • 3
    • 17

    Partly cloudy

    • 5
    • 20

    Partly cloudy

    • 11
    • 17

    Showers

    • 7
    • 13

    Showers

    • 4
    • 13

    Cloudy

    • 3
    • 16

    Partly cloudy

    • 6
    • 23

    Shower or two

Today 23 Sep South East

Partly cloudy. Winds northwest to southwesterly 15 to 25 km/h becoming light in the late evening. Daytime maximum temperatures between 13 and 19.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Northwesterly 15 to 20 knots, reaching up to 30 knots offshore in the afternoon. Winds tending northwest to southwesterly in the early afternoon.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres offshore.
1st Swell
Southwesterly 3 to 4 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system centred over Bass Strait moves eastwards to lie over the northern Tasman Sea during today 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. A secondary high pressure system is forecast to extend a ridge over Tasmania from the southwest during Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Actaeon Island Temperature Statistics View More

September Temperature

Cape Bruny (12km)

  • Lowest 21 September, 2026

    4.1 °C

  • Average September

    11.3 °C

  • Highest 20 September, 2026

    26.5 °C

Climate (2021–2026)

Cape Bruny (12km)

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  • Average Low 2021–2026

    9.6 °C

  • Average 2021–2026

    12.5 °C

  • Average High 2021–2026

    16.6 °C
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