Mawson Bay Weather Forecast

    • 9
    • 13

    Shower or two

    • 10
    • 15

    Showers increasing

    • 12
    • 16

    Shower or two

    • 11
    • 19

    Showers increasing. Windy

    • 8
    • 13

    Shower or two

    • 9
    • 13

    Partly cloudy

    • 6
    • 15

    Partly cloudy

Today 17 Sep North West Coast

Cloudy. Medium chance of showers in the west, near zero chance elsewhere. Winds southwesterly 25 to 35 km/h turning westerly in the early afternoon. Daytime maximum temperatures between 11 and 16.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Southwesterly 15 to 20 knots turning westerly 15 to 25 knots during the morning.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres around midday.
1st Swell
Southwesterly 2 to 3 metres, increasing to 3 to 4 metres south of King Island.
Weather
Cloudy.
Weather Situation
A high moving over Victoria directs a cold west to southwesterly wind over Tasmania. Strong and gusty northwesterly winds are forecast on Friday as a deep low pressure system develops well to the south. A weak ridge is forecast to extend over the state on Saturday, before a cold front crosses the state on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mawson Bay Temperature Statistics View More

September Temperature

Marrawah (10km)

  • Lowest 12 September, 2026

    6 °C

  • Average September

    10.9 °C

  • Highest 12 September, 2026

    18 °C

Climate (2021–2026)

Marrawah (10km)

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  • Average Low 2021–2026

    9.9 °C

  • Average 2021–2026

    12.6 °C

  • Average High 2021–2026

    16.9 °C
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