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Coastal Waters Forecast 

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IDT12332

Australian Government Bureau of Meteorology
Tasmania

Updated Coastal Waters Forecast for Tasmania
Southern Zones: Tasman Island to Low Rocky Point

Issued at 5:34 pm EST on Thursday 9 April 2026
for the period until midnight EST Sunday 12 April 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.

Warning Information

For latest warnings go to www.bom.gov.au, subscribe to RSS feeds, call 1300 659 210* or listen for warnings on relevant TV and radio broadcasts.

Weather Situation

A cold front will approach and cross Tasmania overnight, with a series of troughs to cross the state later Friday and on Saturday as an area of low pressure moves well to the south of Tasmania. A high over the Bight will direct a southwesterly stream over Tasmania on Sunday, with the high expected to move to the north of the state later Monday.

South East Coast: Tasman Island to South East Cape

Forecast for Thursday 9 April until midnight

Strong Wind Warning for Thursday for South East Coast

Winds: North to northwesterly 15 to 25 knots tending west to northwesterly 20 to 25 knots in the evening. Winds reaching up to 30 knots near Cape Bruny in the late evening. Seas: 1.5 to 2.5 metres. 1st Swell: West to southwesterly 2 to 2.5 metres. 2nd Swell: Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore by early evening. Weather: Cloudy. 90% chance of showers.

Forecast for Friday 10 April

Gale Warning for Friday for South East Coast

Winds: Westerly 20 to 30 knots tending west to northwesterly 15 to 25 knots before dawn then becoming westerly 25 to 30 knots in the late afternoon. Winds reaching up to 35 knots in the evening. Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 2 to 3 metres during the afternoon. 1st Swell: Westerly 2 to 3 metres. 2nd Swell: Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the afternoon and evening. Possible small hail in the late afternoon and evening.

Forecast for Saturday 11 April

Winds: Northwesterly 25 to 30 knots turning westerly 30 to 35 knots in the late morning and early afternoon. Seas: 2 to 3 metres, increasing to 2.5 to 4 metres offshore. Swell: Westerly 2 to 3 metres, increasing to 3 to 5 metres during the afternoon, then tending west to southwesterly 4 to 6 metres later in the evening. Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the morning and afternoon. Possible small hail.

Forecast for Sunday 12 April

Winds: Westerly 30 to 35 knots turning southwesterly 25 to 35 knots during the morning. Seas: 3 metres. Swell: Southwesterly 2.5 to 4 metres inshore, increasing to 4 to 6 metres offshore. Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the morning.

South West Coast: South East Cape to Low Rocky Point

Forecast for Thursday 9 April until midnight

Strong Wind Warning for Thursday for South West Coast

Winds: Northwesterly 20 to 30 knots. Seas: 2 to 3 metres, increasing to 2 to 4 metres offshore. 1st Swell: Westerly 2 to 3 metres. 2nd Swell: Easterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore by early evening. Weather: Cloudy. Near 100% chance of showers.

Forecast for Friday 10 April

Strong Wind Warning for Friday for South West Coast

Winds: Westerly 20 to 30 knots tending west to northwesterly 15 to 25 knots in the early morning then becoming westerly 20 to 30 knots in the early afternoon. Seas: 2 to 3 metres. 1st Swell: Westerly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore. 2nd Swell: Easterly around 1 metre. Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the late afternoon and evening. Possible small hail.

Forecast for Saturday 11 April

Winds: West to northwesterly 25 to 30 knots becoming northwesterly 30 to 35 knots before dawn then tending westerly 25 to 30 knots in the morning. Seas: 3 to 5 metres. Swell: Westerly 2.5 to 3 metres, increasing to 3 to 5 metres during the morning, then increasing to 5 to 7 metres during the afternoon. Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the morning. Possible small hail.

Forecast for Sunday 12 April

Winds: Southwesterly 20 to 30 knots. Seas: 2 to 3 metres. Swell: Southwesterly 5 to 6 metres, decreasing to 4 metres during the afternoon or evening. Weather: Cloudy. Near 100% chance of showers.

The next routine forecast will be issued at 10:00 pm 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.