Arthur River - Mouth Weather Forecast

    • 10
    • 16

    Showers

    • 13
    • 16

    Shower or two

    • 11
    • 20

    Showers increasing. Windy

    • 9
    • 12

    Shower or two. Wind easing

    • 8
    • 15

    Partly cloudy

    • 7
    • 17

    Partly cloudy

    • 9
    • 17

    Shower or two

Today 18 Sep North West Coast

Cloudy. High chance of showers, most likely later this evening. Damaging winds possible about higher ground. Winds westerly 25 to 40 km/h.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Northwesterly 25 to 30 knots.
Seas
2 to 2.5 metres.
1st Swell
Westerly 2 to 3 metres, increasing to 4 metres south of King Island.
Weather
Partly cloudy.
Weather Situation
A high to the north of Tasmania is combining with a cold front passing to the south of Tasmania to direct a vigorous westerly flow over the state, with these conditions to continue overnight and early Saturday. A weak ridge is forecast to extend over Tasmania on Saturday afternoon and evening, ahead of another cold front to cross the state on Sunday evening. The flow will tend colder southwesterly on Monday morning, with a high to establish over the Bight. This high is expected to move to the north of Tasmania on Tuesday morning and lie to the northeast of the state by Tuesday evening.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Arthur River - Mouth Temperature Statistics View More

September Temperature

Marrawah (17km)

  • Lowest 12 September, 2026

    6 °C

  • Average September

    10.9 °C

  • Highest 12 September, 2026

    18 °C

Climate (2021–2026)

Marrawah (17km)

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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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