IDT12328
Australian Government Bureau of Meteorology
Tasmania
Issued at 10:00 am EST on Wednesday 20 May 2026
for the period until midnight EST Friday 22 May 2026.
Please be aware
Wind and wave forecasts are averages. Wind gusts can be 40 per cent stronger than the forecast, and stronger still in squalls and thunderstorms. Maximum waves can be twice the forecast height.
A high pressure centre near the South Australian coast extends a ridge of high pressure to the west of Tasmania. The ridge slowly approaches Tasmania and is expected to cross during Thursday and Friday, bringing mostly settled weather to the state. The high is then forecast to move to the east of Tasmania later Friday as a cold front approaches from the west during Saturday.
Winds: Southwesterly 15 to 20 knots. Seas: 1 to 2 metres, decreasing to 1 metre by early evening. Swell: Westerly 2 to 2.5 metres, tending southwesterly 2.5 to 3 metres later in the evening. Weather: Cloudy.
Winds: Westerly 10 to 15 knots turning northwesterly 15 to 20 knots during the morning. Seas: Around 1 metre, increasing to 1 to 1.5 metres around midday. Swell: Southwesterly 2.5 to 3 metres. Weather: Cloudy. 50% chance of showers.
Winds: Northwesterly 15 to 20 knots turning northerly 10 to 15 knots during the evening. Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning. Swell: Southwesterly 2.5 to 4 metres. Weather: Partly cloudy. 50% chance of showers.
The next routine forecast will be issued at 4:05 pm EST Wednesday.
* Calls to 1300 numbers cost around 27.5c incl. GST, higher from mobiles or public phones. Marine forecasts are also available on VHF and HF radio. View the radio schedule on www.bom.gov.au/marine
Check the latest Coastal Waters Forecasts for information on wind, wave and weather conditions for neighbouring coastal zones.