Waterhouse Island Weather Forecast
- 5
- 17
Sunny
- 3
- 17
Cloudy
- 5
- 18
Partly cloudy
- 8
- 18
Cloudy
- 10
- 19
Cloudy
- 9
- 19
Partly cloudy
- 9
- 20
Partly cloudy
Today 18 Apr North East
Partly cloudy. Winds west to southwesterly 15 to 20 km/h tending south to southwesterly in the morning then becoming light in the early afternoon. Daytime maximum temperatures between 11 and 18.
Central North Coastal Waters
Stanley to Flinders Island- Wind
- Southwesterly 15 to 20 knots, reaching up to 30 knots offshore during the morning. Winds becoming variable about 10 knots in the evening.
- Seas
- 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres around midday, then decreasing to 1 metre during the afternoon.
- 1st Swell
- Westerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore around midday.
- Weather
- Mostly sunny.
- Weather Situation
- A ridge of high pressure will move over Tasmania later today and early tomorrow. The high is expected to move to the east of Tasmania later on Sunday and remain over the Southern Tasman Sea through Monday and Tuesday with a ridge to extend over the state.
Waterhouse Island Temperature Statistics View More
April Temperature
Swan Island (42km)
Lowest 11 April, 2026
9 °CAverage April
15.3 °CHighest 1 April, 2026
22.2 °C
Climate (2021–Present)
Swan Island (42km)
Average Low 2021–2026
11.9 °CAverage 2021–2026
14.4 °CAverage High 2021–2026
17.5 °C