Ketchum Bay Weather Forecast

    • 7
    • 20

    Partly cloudy

    • 11
    • 15

    Showers. Becoming windy

    • 6
    • 10

    Showers. Wind easing

    • 6
    • 11

    Showers

    • 8
    • 12

    Showers

    • 9
    • 15

    Shower or two. Windy

    • 11
    • 18

    Shower or two. Becoming windy

Today 13 Sep Western

Partly cloudy. Slight chance of a shower, most likely in the afternoon. Winds north to northeasterly 15 to 25 km/h tending north to northwesterly 25 to 35 km/h during the morning. Overnight temperatures falling to between 4 and 8 with daytime temperatures reaching between 17 and 21.

South West Coastal Waters

South East Cape to Low Rocky Point
Wind
Northwesterly 15 to 25 knots, reaching up to 30 knots in the late evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres around midday.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system off the NSW coast is slowly moving over the Tasman Sea, with light winds over Tasmania expected to turn northwesterly as the high moves further offshore. A weak trough is expected to cross Tasmania late today. A cold front is then expected to approach the state from the west on Monday, crossing Tasmania overnight. A southwesterly flow will establish over Tasmania from Tuesday, as a high in the Bight extends a ridge over the state on Wednesday.
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 9 September, 2026

    5.4 °C

  • Average September

    10.1 °C

  • Highest 1 September, 2026

    15.8 °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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