Arthur River - Mouth Weather Forecast
- 15
- 22
Showers
- 14
- 20
Partly cloudy
- 10
- 23
Sunny
- 15
- 23
Showers increasing
- 13
- 17
Showers
- 10
- 15
Showers
- 8
- 12
Showers
Today 20 Oct North West Coast
Partly cloudy. High chance of showers, most likely this evening. Winds northeast to southeasterly 20 to 30 km/h tending north to northwesterly in the middle of the day then tending northeast to southeasterly 15 to 20 km/h in the late evening. Daytime maximum temperatures in the low 20s.
Far Northwest Coastal Waters
Sandy Cape to Stanley including King Island- Wind
- North to northwesterly 15 to 20 knots, reaching up to 25 knots south of King Island early in the morning.
- Seas
- 1 to 2 metres, decreasing to 1 metre during the afternoon.
- 1st Swell
- Southwesterly 1 to 1.5 metres, increasing to 2 metres south of King Island.
- Weather
- Partly cloudy. 50% chance of showers. The chance of a thunderstorm during the morning and afternoon.
- Weather Situation
- A blocking high over the Tasman Sea directs a warm northwesterly flow over Tasmania this week. A weak trough is approaching from the west, forecast to move over the state today and tomorrow. Northwesterly winds are forecast to increase on Thursday, ahead of a cold front to move over Tasmania on Friday.
Arthur River - Mouth Temperature Statistics View More
October Temperature
Marrawah (17 km)
Lowest 6 October, 2026
5 °CAverage October
12.1 °CHighest 18 October, 2026
20 °C
Climate (2021–2026)
Marrawah (17 km)
Average Low 2021–2026
9.9 °CAverage 2021–2026
12.6 °CAverage High 2021–2026
16.8 °C