IDT15123
Australian Government Bureau of Meteorology
Tasmania
Issued at 10:00 pm EST on Wednesday 17 September 2025
for the period until midnight EST Saturday 20 September 2025.
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 westerly airstream over Tasmania tends northwesterly during Thursday, as a high pressure system over eastern Victoria moves eastwards over the northern Tasman Sea. A series of cold fronts are expected to pass over Tasmania from early Friday morning.
Winds: Westerly 15 to 20 knots. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres in the east. Swell: West to southwesterly 2.5 to 3 metres, increasing to 4 metres in the far west. Weather: Mostly clear.
Winds: Westerly 15 to 20 knots turning north to northwesterly early in the morning. Seas: Around 1 metre, increasing to 1 to 1.5 metres in the east. Swell: West to southwesterly 2 to 4 metres, decreasing to 1.5 to 2.5 metres around midday. Weather: Partly cloudy. The chance of a thunderstorm in the far west in the late afternoon and evening.
Winds: Northwesterly 15 to 25 knots turning westerly 25 to 35 knots in the late afternoon. Seas: 1 to 2 metres, increasing to 2 to 3 metres by early evening. Swell: West to southwesterly 1.5 to 2.5 metres, increasing to 2 to 4 metres during the afternoon, then tending westerly 3 to 4 metres later in the evening. Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm. Possible small hail in the far west at night.
Winds: Westerly 25 to 35 knots. Seas: 2.5 to 3 metres. Swell: West to southwesterly 3 to 5 metres, decreasing to 2.5 to 3 metres during the evening. Weather: Cloudy. 95% chance of showers, with possible small hail in the morning and afternoon.
Winds: Westerly 15 to 20 knots, reaching up to 25 knots offshore. Seas: 2 to 2.5 metres. Swell: West to southwesterly around 1 metre inshore, increasing to 1.5 to 2 metres offshore. Weather: Mostly clear.
Winds: Westerly 15 to 20 knots turning northerly during the morning and early afternoon. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning, increasing to 1.5 metres offshore later in the evening. Swell: West to southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Weather: Partly cloudy.
Winds: North to northwesterly 15 to 25 knots turning westerly 25 to 35 knots in the evening. Seas: 1 to 2 metres. Swell: West to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres in the west later in the evening. Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm.
Winds: Westerly 25 to 35 knots. Seas: 2.5 to 3 metres. Swell: Westerly 2 to 4 metres. Weather: Cloudy. 90% chance of showers, with possible small hail in the morning and afternoon.
Winds: West to southwesterly 15 to 20 knots, reaching up to 30 knots offshore. Seas: 1.5 to 2 metres, increasing to 2.5 to 3 metres offshore. Swell: West to southwesterly 1.5 to 2 metres, increasing to 2.5 to 3 metres in the east. Weather: Partly cloudy.
Winds: West to southwesterly 15 to 20 knots, reaching up to 25 knots offshore early in the morning. Winds shifting north to northeasterly in the late morning and early afternoon. Seas: 1.5 to 2.5 metres, decreasing below 1 metre during the morning, then increasing to 1 to 1.5 metres later in the evening. Swell: Southwesterly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon, then tending south to southwesterly 1 to 1.5 metres by early evening. Weather: Partly cloudy.
Winds: Northerly 15 to 25 knots turning west to northwesterly 20 to 30 knots in the evening. Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres in the far east around midday. 1st Swell: South to southwesterly around 1 metre. 2nd Swell: Northeasterly around 1 metre. Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm in the west.
Winds: Westerly 25 to 35 knots. Seas: 2 to 3 metres, increasing to 2 to 4 metres inshore during the morning. Swell: West to southwesterly 2 to 4 metres, decreasing to 2 to 3 metres during the evening. Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm. Possible small hail in the morning and afternoon.
Winds: Westerly 15 to 20 knots. Seas: 1.5 to 2 metres. Swell: Westerly 3 to 5 metres. Weather: Partly cloudy.
Winds: Westerly 15 to 20 knots turning northwesterly early in the morning. Winds reaching up to 30 knots south of King Island during the day. Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning. Swell: Westerly 2 to 4 metres, decreasing to 2 to 3 metres during the morning. Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: Northwesterly 15 to 25 knots increasing to 20 to 30 knots in the middle of the day then tending west to northwesterly 25 to 35 knots in the early afternoon. Seas: 1 to 1.5 metres, increasing to 2 to 3 metres around midday. Swell: Westerly 2 to 3 metres, increasing to 4 to 6 metres during the afternoon. Weather: Partly cloudy. 95% chance of showers. The chance of a thunderstorm. Possible small hail at night.
Winds: Westerly 25 to 35 knots. Seas: 2.5 to 3 metres. Swell: Westerly 4 to 6 metres. Weather: Cloudy. 95% chance of showers, with possible small hail in the morning and afternoon.
Winds: Westerly 20 to 25 knots. Seas: 2 to 2.5 metres. Swell: Westerly around 1 metre inshore, increasing to 1.5 to 2 metres offshore. Weather: Partly cloudy.
Winds: Westerly 15 to 20 knots turning north to northwesterly during the morning. Seas: 1 to 2 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres around midday. Swell: Westerly 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing to around 1 metre during the afternoon. Weather: Partly cloudy. 50% chance of showers. The chance of a thunderstorm in the late afternoon and evening.
Winds: Northwesterly 15 to 25 knots increasing to 20 to 30 knots in the middle of the day then tending westerly 25 to 35 knots in the late evening. Seas: 1 to 2 metres, increasing to 2 to 3 metres during the afternoon. Swell: Westerly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres later in the evening. Weather: Partly cloudy. 95% chance of showers. The chance of a thunderstorm. Possible small hail inshore at night.
Winds: Westerly 25 to 35 knots. Seas: 3 metres. Swell: Westerly 2 to 4 metres, decreasing to 1.5 to 2.5 metres during the afternoon. Weather: Partly cloudy. 90% chance of showers, with possible small hail in the morning and afternoon.
Winds: Westerly 20 to 25 knots. Seas: 2 to 2.5 metres. Swell: Northwest to southwesterly around 1 metre, increasing to 1 to 1.5 metres about Banks Strait. Weather: Clear.
Winds: Westerly 15 to 20 knots turning north to northwesterly 15 to 25 knots in the late morning. Winds reaching up to 30 knots near Eddystone Point in the late evening. Seas: 1 to 2 metres, decreasing to 1 metre during the morning, increasing to 1 to 1.5 metres about Banks Strait during the afternoon. Swell: West to northwesterly 1 to 1.5 metres, tending northwest to southwesterly around 1 metre during the morning. Weather: Cloudy.
Winds: Northwesterly 15 to 20 knots increasing to 25 to 35 knots in the late evening. Seas: 1 to 1.5 metres. Swell: Northwest to southwesterly below 1 metre, increasing to 1 to 1.5 metres about Banks Strait later in the evening. Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm.
Winds: Westerly 25 to 35 knots. Seas: 2 to 3 metres. Swell: West to northwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres about Banks Strait. Weather: Partly cloudy. 90% chance of showers.
The next routine forecast will be issued at 5:30 am EST Thursday.
* 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.