Harbour Islets Weather Forecast
- 9
- 14
Shower
- 9
- 14
Windy
- 6
- 12
Windy
- 9
- 13
Shower
- 8
- 12
Shower
- 7
- 12
Shower
- 9
- 13
Shower
Today 18 Sep North West Coast
Cloudy. Very high chance of showers, most likely from late this morning. The chance of a thunderstorm in the west late this afternoon and evening. Winds north to northwesterly 25 to 35 km/h. Daytime maximum temperatures between 11 and 15.
Far Northwest Coastal Waters
Sandy Cape to Stanley including King Island- Wind
- Northwesterly 15 to 20 knots, reaching up to 30 knots south of King Island during the day.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
- 1st Swell
- Westerly 2 to 3 metres, increasing to 2.5 to 4 metres south of King Island.
- Weather
- Partly cloudy. 70% chance of showers. The chance of a thunderstorm during this afternoon and evening.
- Weather Situation
- A westerly airstream over Tasmania tends northwesterly today, as a high pressure system over eastern Victoria moves eastwards over the northern Tasman Sea. A series of cold fronts are expected to pass over Tasmania from early Friday morning.
Harbour Islets Temperature Statistics View More
September Temperature
Marrawah (30km)
Lowest 6 September, 2025
3.8 °CAverage September
10.4 °CHighest 15 September, 2025
18.7 °C
Climate (2020–Present)
Marrawah (30km)
Average Low 2020–2025
9.7 °CAverage 2020–2025
12.6 °CAverage High 2020–2025
17.1 °C