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Bureau of Meteorology


Coastal Waters Forecast 

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IDT12331

Australian Government Bureau of Meteorology
Tasmania

Coastal Waters Forecast for Tasmania
Eastern Zones: Northern Tip of Flinders Island to Tasman Island

Issued at 6:13 pm EST on Wednesday 29 April 2026
for the period until midnight EST Saturday 2 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.

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 near-stationary high-pressure system persists over the Tasman Sea. As a result warm north to northeasterly flow will continue into the weekend. A a slow-moving low pressure system and cold front build over the Bight and are expected to move over Tasmania early next week.

East of Flinders Island: Northern Tip of Flinders Island to St Helens Point

Forecast for Wednesday 29 April until midnight

Winds: Northeasterly 10 to 15 knots. Seas: Around 1 metre. Swell: Southerly around 1 metre. Weather: Partly cloudy.

Forecast for Thursday 30 April

Winds: Northeasterly 10 to 15 knots turning northerly during the morning. Winds reaching up to 20 knots offshore during the morning. Seas: Around 1 metre. Swell: East to northeasterly around 1 metre. Weather: Mostly sunny.

Forecast for Friday 1 May

Winds: Northerly 15 to 20 knots. Seas: Around 1 metre. Swell: Northeasterly around 1 metre. Weather: Mostly sunny.

Forecast for Saturday 2 May

Winds: Northerly 15 to 20 knots. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore. Swell: Northeasterly around 1 metre, increasing to 1 to 1.5 metres during the morning. Weather: Mostly sunny.

Banks Strait and Franklin Sound

Forecast for Wednesday 29 April until midnight

Winds: Easterly 10 to 15 knots tending northeasterly in the late afternoon. Seas: Below 1 metre. Swell: Northwest to southwesterly below 1 metre. Weather: Mostly clear.

Forecast for Thursday 30 April

Winds: North to northeasterly 10 to 15 knots tending north to northwesterly below 10 knots in the late morning. Seas: Below 1 metre. Swell: East to northeasterly below 1 metre. Weather: Mostly sunny.

Forecast for Friday 1 May

Winds: Northerly 10 to 15 knots. Seas: Below 1 metre. Swell: Northeasterly below 1 metre. Weather: Mostly sunny.

Forecast for Saturday 2 May

Winds: North to northeasterly 10 to 15 knots. Seas: Around 1 metre. Swell: East to northeasterly around 1 metre, increasing to 1 to 1.5 metres about Banks Strait during the afternoon or evening. Weather: Mostly sunny.

Upper East Coast: St Helens Point to Wineglass Bay

Forecast for Wednesday 29 April until midnight

Winds: Northeasterly 10 to 15 knots turning northerly 15 to 20 knots in the evening. Seas: Below 0.5 metres, increasing to around 1 metre by early evening. Swell: Southerly around 1 metre inshore, increasing to 1 to 2 metres offshore. Weather: Partly cloudy.

Forecast for Thursday 30 April

Winds: Northerly 15 to 20 knots. Seas: 1 to 1.5 metres. Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning. Weather: Partly cloudy.

Forecast for Friday 1 May

Winds: Northerly 15 to 20 knots. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres around midday. Swell: Southerly around 1 metre. Weather: Mostly sunny.

Forecast for Saturday 2 May

Winds: Northerly 15 to 20 knots. Seas: 1 to 1.5 metres. Swell: Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the afternoon or evening. Weather: Partly cloudy.

Lower East Coast: Wineglass Bay to Tasman Island

Forecast for Wednesday 29 April until midnight

Winds: Northeasterly 10 to 15 knots turning northerly 15 to 25 knots in the evening. Seas: Below 1 metre, increasing to 1 to 1.5 metres later in the evening. Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 2 to 3 metres offshore. Weather: Mostly clear.

Forecast for Thursday 30 April

Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore during the morning. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon. Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore. Weather: Partly cloudy.

Forecast for Friday 1 May

Winds: Northerly 15 to 20 knots. Seas: 1 to 1.5 metres. Swell: Southwesterly around 1 metre inshore, increasing to 1 to 2 metres offshore. Weather: Mostly sunny.

Forecast for Saturday 2 May

Winds: Northerly 15 to 20 knots. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon. Swell: Southwesterly below 1 metre inshore, increasing to 1 to 2 metres offshore. Weather: Partly cloudy.

South East Coast: Tasman Island to South East Cape

Forecast for Wednesday 29 April until midnight

Winds: Variable about 10 knots becoming northerly 15 to 20 knots in the evening. Winds reaching up to 25 knots offshore in the late evening. Seas: Below 0.5 metres, increasing to around 1 metre by early evening. Swell: Southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore. Weather: Mostly clear.

Forecast for Thursday 30 April

Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore during the morning. Seas: 1 to 1.5 metres, increasing to 1 to 2 metres offshore. Swell: Southwesterly 2 to 3 metres. Weather: Partly cloudy.

Forecast for Friday 1 May

Winds: Northerly 15 to 20 knots. Seas: 1 to 1.5 metres. Swell: Southwesterly 2 to 3 metres. Weather: Partly cloudy.

Forecast for Saturday 2 May

Winds: Northerly 15 to 20 knots. Seas: 1 to 1.5 metres, increasing to 1 to 2 metres offshore. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Partly cloudy.

South West Coast: South East Cape to Low Rocky Point

Forecast for Wednesday 29 April until midnight

Winds: Northwesterly about 10 knots tending northwest to northeasterly 10 to 15 knots in the late afternoon. Seas: Below 1 metre. Swell: Southwesterly 4 metres, decreasing to 3 metres later in the evening. Weather: Mostly clear.

Forecast for Thursday 30 April

Strong Wind Warning for Thursday for South West Coast

Winds: Northerly 15 to 25 knots, reaching up to 30 knots offshore during the afternoon and evening. Winds turning northwesterly in the early afternoon. Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2.5 metres around midday. Swell: Southwesterly 2.5 to 3 metres. Weather: Partly cloudy.

Forecast for Friday 1 May

Winds: North to northwesterly 20 to 25 knots increasing to 20 to 30 knots in the morning then decreasing to 15 to 25 knots in the middle of the day. Seas: 1.5 to 2.5 metres. Swell: Southwesterly 2 to 3 metres. Weather: Partly cloudy.

Forecast for Saturday 2 May

Winds: Northerly 15 to 20 knots. Seas: 1 to 1.5 metres. Swell: Southwesterly 2 metres. Weather: Partly cloudy.

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