IDT12330
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, reaching up to 25 knots east of King Island in the afternoon. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres by early evening. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Partly cloudy.
Winds: West to southwesterly 10 to 15 knots tending west to northwesterly during the morning and early afternoon. Seas: Around 1 metre. Swell: Southwesterly 2 to 3 metres. Weather: Cloudy.
Winds: North to northwesterly 10 to 15 knots tending north to northeasterly 15 to 20 knots during the morning. Seas: Around 1 metre. Swell: Southwesterly 2 to 3 metres. Weather: Cloudy.
Winds: Southwesterly 15 to 20 knots, reaching up to 25 knots offshore in the late morning and afternoon. Seas: 1 to 2 metres. Swell: Westerly below 1 metre. Weather: Mostly sunny.
Winds: Southwesterly 10 to 15 knots, reaching up to 20 knots offshore early in the morning. Winds turning westerly in the early afternoon. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Swell: Westerly around 1 metre. Weather: Partly cloudy.
Winds: Variable about 10 knots becoming northeasterly 10 to 15 knots during the evening. Seas: Below 1 metre. Swell: Westerly around 1 metre offshore. Weather: Cloudy.
Winds: West to southwesterly 10 to 15 knots, reaching up to 20 knots offshore during the day. Winds tending south to southwesterly during the afternoon and evening. Seas: Below 1 metre, increasing to 1 to 2 metres offshore. 1st Swell: Northeasterly 1.5 to 2 metres. 2nd Swell: South to southwesterly around 1 metre. Weather: Mostly sunny.
Winds: South to southwesterly 10 to 15 knots tending west to southwesterly before dawn then decreasing to about 10 knots in the middle of the day. Seas: Around 1 metre. 1st Swell: Southerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore. 2nd Swell: East to northeasterly 1 to 1.5 metres, decreasing to around 1 metre later in the evening. Weather: Partly cloudy.
Winds: Variable about 10 knots. Seas: Below 0.5 metres. 1st Swell: Southerly around 1 metre. 2nd Swell: Easterly around 1 metre. Weather: Partly cloudy.
Winds: Westerly 15 to 20 knots, reaching up to 25 knots about Franklin Sound in the afternoon. Winds turning south to southwesterly 10 to 15 knots in the evening. Seas: 1 to 1.5 metres, decreasing below 1 metre later in the evening. Swell: Easterly around 1 metre, increasing to 1 to 2 metres about Banks Strait. Weather: Mostly sunny.
Winds: Variable about 10 knots becoming westerly 10 to 15 knots in the middle of the day then decreasing to about 10 knots in the late afternoon. Seas: Below 1 metre. Swell: Easterly 1 to 1.5 metres, decreasing to around 1 metre during the morning. Weather: Partly cloudy.
Winds: West to northwesterly below 10 knots becoming northeasterly during the evening. Seas: Below 1 metre. Swell: Easterly below 1 metre, increasing to around 1 metre about Banks Strait. Weather: Partly cloudy.
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.