Arthur River - Mouth Weather Forecast
- 7
- 18
Late shower or two
- 12
- 16
Showers easing
- 9
- 13
Possible shower
- 5
- 14
Partly cloudy
- 5
- 15
Partly cloudy
- 8
- 17
Showers increasing
- 12
- 17
Showers easing
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 in the late afternoon and evening.
- Weather Situation
- A weak ridge extends over Tasmania from a high pressure system over the central Tasman Sea. The ridge weakens further Thursday, 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.
Arthur River - Mouth Temperature Statistics View More
September Temperature
Marrawah (17km)
Lowest 23 September, 2026
4.5 °CAverage September
11.1 °CHighest 20 September, 2026
18.8 °C
Climate (2021–2026)
Marrawah (17km)
Average Low 2021–2026
9.9 °CAverage 2021–2026
12.6 °CAverage High 2021–2026
16.9 °C