Trefoil Island Weather Forecast
- 14
- 17
Shower
- 14
- 18
Partly cloudy
- 14
- 19
Partly cloudy
- 14
- 19
Shower
- 13
- 17
Shower
- 11
- 16
Partly cloudy
- 11
- 17
Cloudy
Today 22 Apr North West Coast
Cloudy. High chance of showers, most likely late this afternoon and evening. Winds east to northeasterly 25 to 40 km/h. Daytime maximum temperatures between 15 and 19.
Far Northwest Coastal Waters
Sandy Cape to Stanley including King Island- Wind
- Northeasterly 15 to 25 knots, reaching up to 30 knots south of King Island during the morning and early afternoon. Winds shifting west to southwesterly 10 to 15 knots during the afternoon and evening then tending south to southwesterly in the late evening.
- Seas
- 2 to 3 metres, decreasing to 1 to 2 metres during the afternoon, then decreasing to 1 to 1.5 metres by early evening.
- 1st Swell
- Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres south of King Island.
- Weather
- Partly cloudy. 50% chance of showers.
- Weather Situation
- A high over the Southern Tasman Sea extends a ridge over the state. A weak cold front is approaches Tasmania this morning crossing the state late today and early Thursday ahead of another high that will move over Tasmania and into the Tasman Sea on Thursday. A northwesterly airstream will prevail on Friday, ahead of cold front expected to move over Tasmania over the weekend.
Trefoil Island Temperature Statistics View More
April Temperature
Marrawah (30km)
Lowest 19 April, 2026
5 °CAverage April
12.9 °CHighest 1 April, 2026
19.8 °C
Climate (2021–Present)
Marrawah (30km)
Average Low 2021–2026
9.8 °CAverage 2021–2026
12.6 °CAverage High 2021–2026
17.1 °C