Arthur River - Mouth Weather Forecast

    • 9
    • 13

    Mostly clear

    • 8
    • 14

    Partly cloudy

    • 5
    • 16

    Mostly sunny

    • 7
    • 17

    Late shower or two

    • 12
    • 18

    Shower or two

    • 11
    • 15

    Shower or two

    • 8
    • 15

    Possible shower

Today 21 Sep North West Coast

Mostly clear. Winds southwesterly 25 to 35 km/h decreasing to 15 to 20 km/h in the late evening.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Southwesterly 15 to 20 knots, reaching up to 25 knots east of King Island in the late afternoon.
Seas
1 to 2 metres.
1st Swell
Southwesterly 3 to 5 metres.
Weather
Mostly clear.
Weather Situation
A high pressure system centred over the Bight is expected to move to the north of Tasmania on Tuesday morning and lie over the northern Tasman Sea during Wednesday and Thursday, maintaining ridge dominated conditions over Tasmania. A trough is forecast to move over the state from the west during Friday ahead of a cold front to cross later.
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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

    11.3 °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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