Arthur River - Mouth Weather Forecast

    • 12
    • 20

    Showers. Windy

    • 9
    • 13

    Shower or two. Wind easing

    • 8
    • 15

    Partly cloudy

    • 5
    • 16

    Mostly sunny

    • 8
    • 17

    Possible late shower

    • 12
    • 19

    Showers

    • 11
    • 14

    Shower or two

Today 20 Sep North West Coast

Cloudy. Very high chance of showers in the west, medium chance elsewhere. Possible small hail in the west at night. Winds westerly 30 to 45 km/h.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
West to northwesterly 25 to 30 knots turning southwesterly in the late evening.
Seas
2.5 to 3 metres, increasing to 3 to 4 metres south of King Island.
1st Swell
West to southwesterly 2 to 3 metres inshore, increasing to 2 to 4 metres offshore.
Weather
Cloudy. 70% chance of showers, with possible small hail south of King Island later tonight.
Weather Situation
A cold front will cross Tasmania this evening, with winds to tend colder southwesterly early Monday morning. A high will establish over the Bight later Monday, with the high expected to move to the north of Tasmania on Tuesday morning and lie over the northern Tasman Sea during Wednesday and Thursday.
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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

    11 °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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