IDT12332
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: West to northwesterly 15 to 20 knots, reaching up to 30 knots offshore in the late afternoon. Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres offshore. 1st Swell: Westerly 2 to 3 metres. 2nd Swell: Northeasterly around 1 metre. Weather: Cloudy. 80% chance of showers.
Winds: West to northwesterly 15 to 20 knots turning northerly during the day. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore. 1st Swell: West to southwesterly 2.5 to 3 metres. 2nd Swell: Northeasterly around 1 metre. Weather: Partly cloudy. 90% chance of showers.
Winds: North to northwesterly 15 to 25 knots turning westerly 20 to 30 knots during the morning. Seas: 1 to 2 metres, increasing to 2 to 3 metres during the morning. Swell: West to southwesterly 2 to 3 metres inshore, increasing to 2 to 4 metres offshore. Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm at night. Possible small hail from the late morning.
Winds: Westerly 25 to 40 knots turning southwesterly 30 to 35 knots during the evening. Seas: 2.5 to 3 metres, increasing to 3 to 4 metres during the afternoon. Swell: West to southwesterly 3 to 5 metres, increasing to 6 to 9 metres during the afternoon or evening. Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the afternoon and evening. Possible small hail.
Winds: Westerly 20 to 25 knots, reaching up to 30 knots near Maatsuyker Island in the late afternoon. Seas: 1.5 to 2.5 metres. Swell: West to southwesterly 2 to 3 metres. Weather: Partly cloudy. 70% chance of showers.
Winds: Westerly 15 to 20 knots tending northwesterly 15 to 25 knots before dawn. Winds reaching up to 30 knots in the late evening. Seas: 1 to 2 metres. Swell: Westerly 2.5 to 3 metres inshore, increasing to 3 to 4 metres offshore. Weather: Partly cloudy. 95% chance of showers.
Winds: Northwesterly 20 to 30 knots turning westerly 25 to 30 knots in the morning. Seas: 2 to 3 metres. Swell: Westerly 2.5 to 3 metres, increasing to 3 to 4 metres by early evening. Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the evening. Possible small hail.
Winds: Westerly 25 to 40 knots turning southwesterly 30 to 40 knots during the evening. Seas: 2.5 to 3 metres, increasing to 4 metres during the afternoon. Swell: Westerly 4 to 7 metres, tending southwesterly 7 to 9 metres during the evening. Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the afternoon. Possible small hail.
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.