Ketchum Bay Weather Forecast

    • 6
    • 11

    Showers increasing

    • 8
    • 12

    Showers. Windy

    • 9
    • 14

    Showers increasing. Windy

    • 11
    • 15

    Showers easing

    • 11
    • 20

    Showers. Windy

    • 7
    • 11

    Showers. Windy

    • 6
    • 12

    Shower or two

Today 16 Sep Western

Cloudy. High chance of showers, most likely this evening. Snow falling above 700 metres. Possible small hail in the far south early this morning. Winds southwesterly 25 to 35 km/h turning west to northwesterly 20 to 30 km/h in the late afternoon. Daytime maximum temperatures between 7 and 12.

South West Coastal Waters

South East Cape to Low Rocky Point
Wind
Southwesterly 20 to 30 knots decreasing to 20 to 25 knots in the early morning then tending westerly 20 to 30 knots in the early afternoon.
Seas
2 to 3 metres.
1st Swell
Southwesterly 5 to 6 metres.
Weather
Cloudy. 70% chance of showers, with possible small hail early this morning.
Weather Situation
A high over the central parts of the Bight directs a cold southwesterly wind over Tasmania. The high is expected to extend a ridge over the state from Wednesday as it moves toward western Victoria, and over central Victoria on Thursday. Strong and gusty northwesterly winds are expected on Friday as a deep low pressure system develops well to the south. A weak ridge is forecast to move over the state on Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Ketchum Bay Temperature Statistics View More

September Temperature

Maatsuyker Island (19km)

  • Lowest 15 September, 2026

    4.8 °C

  • Average September

    10.5 °C

  • Highest 13 September, 2026

    19.4 °C

Climate (2021–2026)

Maatsuyker Island (19km)

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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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