Arthur River - Mouth Weather Forecast

    • 13
    • 17

    Rain

    • 12
    • 17

    Showers

    • 9
    • 16

    Possible shower

    • 7
    • 16

    Possible shower

    • 8
    • 15

    Partly cloudy

    • 9
    • 15

    Shower or two

    • 9
    • 15

    Shower or two

Today 30 Sep North West Coast

Cloudy. Very high chance of rain. Winds north to northwesterly 15 to 25 km/h becoming light in the late evening. Daytime maximum temperatures around 16.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
North to northwesterly 15 to 20 knots tending west to northwesterly below 10 knots in the late morning and afternoon.
Seas
1 to 2 metres, decreasing to 1 metre by early evening.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Cloudy. 95% chance of showers.
Weather Situation
Northerly flow builds over Tasmania today ahead of an approaching trough, forecast to cross Wednesday morning. A broad trough is forecast to cross the state during the day Thursday and then a cold front in the evening. A ridge of high pressure is then expected to approach Tasmania from the west during Friday, concurrently with a trough deepening over Victoria. The trough is forecast to move to the east of Tasmania on Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Arthur River - Mouth Temperature Statistics View More

September Temperature

Marrawah (17km)

  • Lowest 23 September, 2026

    4.5 °C

  • Average September

    11.1 °C

  • Highest 20 September, 2026

    18.8 °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

    16.8 °C
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