Mawson Bay Weather Forecast

    • 7
    • 17

    Shower or two

    • 11
    • 15

    Showers easing

    • 8
    • 13

    Shower or two

    • 5
    • 13

    Partly cloudy

    • 5
    • 14

    Partly cloudy

    • 7
    • 17

    Shower or two

    • 11
    • 17

    Showers

Today 24 Sep North West Coast

Cloudy. High chance of showers in the west, medium chance elsewhere. Winds northeast to southeasterly 20 to 30 km/h tending north to northeasterly 15 to 20 km/h in the late evening. Daytime maximum temperatures between 16 and 19.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Northeasterly 10 to 15 knots turning north to northwesterly during the afternoon and evening. Winds reaching up to 25 knots south of King Island in the late afternoon.
Seas
Around 1 metre, increasing to 1 to 2 metres south of King Island during the morning.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Cloudy. 50% chance of showers late this afternoon and evening.
Weather Situation
A ridge extending over Tasmania from a high pressure system in the Tasman Sea will weaken today, as a trough approaches from the west in the evening. Another weak 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, and move over 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 23 September, 2026

    4.5 °C

  • Average September

    11.1 °C

  • Highest 20 September, 2026

    18.8 °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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