IDT12330
Australian Government Bureau of Meteorology
Tasmania
Issued at 4:05 pm EST on Monday 20 July 2026
for the period until midnight EST Thursday 23 July 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 over Victoria is moving into the Tasman Sea, directing a northwesterly flow over Tasmania. A weak trough is expected to move over the state on Monday evening into Tuesday. A strong cold front is forecast to move over the state from the west late Wednesday and another cold front follows on Thursday, bringing strong west to southwesterly winds across the state.
Winds: Northwesterly 15 to 20 knots. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres south of King Island. Swell: Southwesterly 1 to 1.5 metres, increasing to 2 metres south of King Island. Weather: Cloudy.
Winds: Northwesterly 15 to 20 knots, reaching up to 30 knots south of King Island in the late evening. Seas: 1.5 to 2.5 metres. Swell: West to southwesterly 1 to 2 metres, increasing to 2 to 3 metres south of King Island. Weather: Cloudy. 95% chance of showers south of King Island, 50% chance elsewhere. The chance of a thunderstorm south of King Island in the afternoon and evening.
Winds: Northwesterly 20 to 30 knots turning westerly during the morning. Seas: 1.5 to 2.5 metres. Swell: Southwesterly 1.5 to 2.5 metres, tending westerly 2 to 3 metres during the morning. Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm south of King Island. Possible small hail in the afternoon and evening.
Winds: West to southwesterly 25 to 35 knots. Seas: 2 to 3 metres, increasing to 2.5 to 4 metres inshore during the afternoon. Swell: Southwesterly 2 to 4 metres, increasing to 4 to 6 metres south of King Island. Weather: Partly cloudy. 95% chance of showers, with possible small hail.
Winds: West to northwesterly 15 to 20 knots. Seas: Around 1 metre. Swell: Westerly below 1 metre. Weather: Partly cloudy.
Winds: Northwesterly 15 to 20 knots. Seas: Around 1 metre. Swell: Westerly around 1 metre offshore. Weather: Cloudy.
Winds: Northwesterly 15 to 25 knots tending westerly 20 to 30 knots in the morning then decreasing to 20 to 25 knots in the evening. Seas: 1 to 1.5 metres, increasing to 2 to 2.5 metres during the morning. Swell: Westerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the afternoon. Weather: Cloudy. Near 100% chance of showers, with possible small hail in the late afternoon and evening.
Winds: Westerly 25 to 35 knots. Seas: 2 metres, increasing to 2 to 3 metres during the morning. Swell: Westerly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the evening. Weather: Partly cloudy. 90% chance of showers, with possible small hail.
Winds: Westerly 15 to 20 knots, reaching up to 25 knots offshore in the late afternoon. Seas: 1 to 1.5 metres, increasing to 1 to 2 metres offshore. 1st Swell: Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore. 2nd Swell: Southerly around 1 metre. Weather: Partly cloudy.
Winds: Westerly 15 to 20 knots turning northwesterly during the morning. Seas: 1 to 1.5 metres, decreasing to 1 metre around midday, then increasing to 1 to 1.5 metres during the afternoon. 1st Swell: Southerly around 1 metre. 2nd Swell: Northeasterly around 1 metre. Weather: Partly cloudy.
Winds: Northwesterly 15 to 25 knots tending westerly 20 to 30 knots in the middle of the day then decreasing to 20 to 25 knots in the late evening. Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning. 1st Swell: Southerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore during the afternoon. 2nd Swell: Northeasterly around 1 metre. Weather: Partly cloudy. 90% chance of showers.
Winds: Westerly 20 to 30 knots increasing to 30 to 35 knots during the evening. Seas: 2 to 3 metres. Swell: Southeast to southwesterly below 1 metre inshore, increasing to 1 to 2 metres offshore during the evening. Weather: Partly cloudy. 80% chance of showers, with possible small hail.
Winds: Westerly 10 to 15 knots, reaching up to 20 knots near Eddystone Point during the afternoon and evening. Seas: Around 1 metre, increasing to 1 to 1.5 metres near Eddystone Point. Swell: East to northeasterly around 1 metre. Weather: Partly cloudy.
Winds: Westerly 10 to 15 knots, reaching up to 20 knots near Eddystone Point early in the morning. Winds turning northwesterly in the early morning. Seas: Around 1 metre. Swell: Easterly below 1 metre. Weather: Cloudy.
Winds: Northwesterly 15 to 25 knots tending westerly 20 to 30 knots in the middle of the day then decreasing to 20 to 25 knots in the evening. Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning. Swell: Northwest to southwesterly around 1 metre. Weather: Cloudy. 95% chance of showers.
Winds: Westerly 25 to 35 knots. Seas: 1.5 to 2 metres, increasing to 2 to 3 metres during the morning. Swell: West to northwesterly around 1 metre, increasing to 1 to 1.5 metres about Banks Strait during the evening. Weather: Partly cloudy. 80% chance of showers.
The next routine forecast will be issued at 10:00 pm EST Monday.
* 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.