Grassy River Entrance Weather Forecast
- 12
- 22
Late shower or two. Windy
- 8
- 14
Shower or two. Wind easing
- 3
- 15
Partly cloudy
- 6
- 17
Sunny
- 8
- 19
Cloudy
- 13
- 19
Shower or two
- 10
- 16
Shower or two
Today 20 Sep King Island
Becoming cloudy. High chance of showers late this afternoon and evening. Winds north to northwesterly 25 to 35 km/h becoming northerly 35 to 50 km/h in the morning then shifting west to southwesterly 35 to 55 km/h in the evening. Daytime maximum temperatures in the low 20s.
Far Northwest Coastal Waters
Sandy Cape to Stanley including King Island- Wind
- North to northwesterly 20 to 30 knots turning west to southwesterly 25 to 30 knots during the afternoon and evening.
- Seas
- 1 to 2 metres, increasing to 2 to 4 metres during the morning.
- 1st Swell
- West to southwesterly 1.5 to 2.5 metres, increasing to 2.5 to 4 metres south of King Island.
- Weather
- Becoming cloudy. 70% chance of showers late this afternoon and evening. Possible small hail south of King Island later tonight.
- Weather Situation
- Warm northwesterly winds expected ahead of a cold front crossing the state this evening. The flow will tend colder southwesterly on Monday morning, with a high to establish over the Bight later Monday. This high is expected to move to the north of Tasmania on Tuesday morning and lie over the northern Tasman Sea during Wednesday.
Grassy River Entrance Temperature Statistics View More
September Temperature
King Island Airport (24km)
Lowest 12 September, 2026
2.6 °CAverage September
12 °CHighest 13 September, 2026
21.8 °C
Climate (2021–2026)
King Island Airport (24km)
Average Low 2021–2026
10.2 °CAverage 2021–2026
13.6 °CAverage High 2021–2026
17.6 °C