Australian Government

Bureau of Meteorology


Coastal Waters Forecast 

Marine (lite) Home

IDT12331

Australian Government Bureau of Meteorology
Tasmania

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

Issued at 4:05 pm EST on Tuesday 22 April 2025
for the period until midnight EST Friday 25 April 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.

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 high pressure centre moves over Tasmania today, before moving further east over the Tasman Sea on Wednesday. A cold front approaches from the west on Thursday, crossing over Tasmania during Friday.

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

Forecast for Tuesday 22 April until midnight

Winds: Southeasterly 15 to 20 knots. Seas: 1 to 1.5 metres. Swell: South to southeasterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Partly cloudy.

Forecast for Wednesday 23 April

Winds: East to southeasterly 10 to 15 knots, reaching up to 20 knots offshore early in the morning. Winds turning northeasterly in the evening. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Partly cloudy.

Forecast for Thursday 24 April

Winds: Northeasterly 15 to 20 knots tending northerly in the morning. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore during the morning. 1st Swell: Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore by early evening. 2nd Swell: Southerly around 1 metre. Weather: Partly cloudy. 70% chance of showers.

Forecast for Friday 25 April

Winds: North to northwesterly 15 to 20 knots turning west to southwesterly 10 to 15 knots during the afternoon. Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning. Swell: Northeasterly around 1 metre. Weather: Partly cloudy. 60% chance of showers.

Banks Strait and Franklin Sound

Forecast for Tuesday 22 April until midnight

Winds: Southeasterly 15 to 20 knots. Seas: 1 to 1.5 metres. Swell: Southerly below 1 metre. Weather: Partly cloudy.

Forecast for Wednesday 23 April

Winds: Southeasterly 10 to 15 knots turning east to northeasterly in the late morning and afternoon. Seas: Around 1 metre. Swell: Northwest to southwesterly below 1 metre. Weather: Partly cloudy.

Forecast for Thursday 24 April

Winds: Northeasterly 10 to 15 knots turning north to northwesterly below 10 knots in the late morning and early afternoon. Seas: Around 1 metre. Swell: East to northeasterly around 1 metre. Weather: Partly cloudy. 70% chance of showers.

Forecast for Friday 25 April

Winds: Northwesterly 10 to 15 knots becoming variable about 10 knots during the afternoon. Seas: Below 1 metre. Swell: Northeasterly around 1 metre. Weather: Partly cloudy. 80% chance of showers.

Upper East Coast: St Helens Point to Wineglass Bay

Forecast for Tuesday 22 April until midnight

Winds: Southerly 10 to 15 knots tending southeasterly in the evening. Seas: 1 to 1.5 metres, decreasing below 1 metre later in the evening. Swell: Southerly around 1 metre inshore, increasing to 1 to 2 metres offshore. Weather: Cloudy.

Forecast for Wednesday 23 April

Winds: Southeasterly 10 to 15 knots turning east to northeasterly below 10 knots during the morning then tending north to northeasterly 10 to 15 knots in the evening. Seas: Below 1 metre. Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Partly cloudy.

Forecast for Thursday 24 April

Winds: Northerly 15 to 20 knots. Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning. 1st Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre around midday. 2nd Swell: Northeast to southeasterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore by early evening. Weather: Partly cloudy. 70% chance of showers.

Forecast for Friday 25 April

Winds: North to northwesterly 15 to 20 knots shifting south to southwesterly 10 to 15 knots during the afternoon. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. 1st Swell: Southerly around 1 metre. 2nd Swell: North to northeasterly around 1 metre. Weather: Partly cloudy. 80% chance of showers.

Lower East Coast: Wineglass Bay to Tasman Island

Forecast for Tuesday 22 April until midnight

Winds: South to southeasterly 10 to 15 knots tending east to southeasterly below 10 knots in the evening. Seas: Around 1 metre. Swell: Southwesterly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore. Weather: Partly cloudy.

Forecast for Wednesday 23 April

Winds: East to southeasterly below 10 knots becoming north to northeasterly in the early morning then increasing to 10 to 15 knots in the early afternoon. Seas: Below 1 metre. Swell: South to southwesterly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore. Weather: Mostly sunny.

Forecast for Thursday 24 April

Winds: Northerly 15 to 25 knots. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres around midday. 1st Swell: South to southwesterly 1.5 to 2.5 metres. 2nd Swell: Northeast to southeasterly around 1 metre. Weather: Partly cloudy.

Forecast for Friday 25 April

Winds: North to northwesterly 15 to 20 knots shifting south to southwesterly 10 to 15 knots during the afternoon. Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning. 1st Swell: Southwesterly around 1 metre inshore, increasing to 1.5 to 2.5 metres offshore. 2nd Swell: North to northeasterly around 1 metre. Weather: Cloudy. 80% chance of showers.

South East Coast: Tasman Island to South East Cape

Forecast for Tuesday 22 April until midnight

Winds: Southeasterly below 10 knots becoming east to northeasterly in the late evening. Seas: Below 1 metre. Swell: Southwesterly 3 to 4 metres. Weather: Partly cloudy.

Forecast for Wednesday 23 April

Winds: Northerly about 10 knots increasing to 10 to 15 knots in the late afternoon. Seas: Below 1 metre. Swell: Southwesterly 3 to 4 metres, decreasing to 2.5 to 3 metres during the morning. Weather: Mostly sunny.

Forecast for Thursday 24 April

Winds: Northerly 15 to 20 knots. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore during the morning. Swell: Southwesterly 2 to 2.5 metres. Weather: Sunny.

Forecast for Friday 25 April

Winds: Northwesterly 15 to 20 knots turning southwesterly 10 to 15 knots during the morning. Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon. 1st Swell: Southwesterly 2.5 to 3 metres. 2nd Swell: Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Cloudy. 80% chance of showers.

South West Coast: South East Cape to Low Rocky Point

Forecast for Tuesday 22 April until midnight

Winds: East to southeasterly about 10 knots. Seas: Below 1 metre. Swell: Southwesterly 4 metres. Weather: Partly cloudy.

Forecast for Wednesday 23 April

Winds: Variable about 10 knots. Seas: Below 0.5 metres. Swell: Southwesterly 3 to 4 metres, decreasing to 2.5 to 3 metres during the morning. Weather: Mostly sunny.

Forecast for Thursday 24 April

Winds: Northerly 15 to 20 knots tending northwesterly 15 to 25 knots in the early afternoon then increasing to 20 to 30 knots in the late evening. Seas: Around 1 metre, increasing to 1 to 2 metres during the afternoon. Swell: Southwesterly 2.5 to 3 metres. Weather: Partly cloudy.

Forecast for Friday 25 April

Winds: Northwesterly 20 to 30 knots turning southwesterly 15 to 20 knots during the morning. Seas: 1.5 to 2.5 metres, decreasing to 1 metre during the afternoon. Swell: Southwesterly 3 metres, tending westerly 3 metres during the morning. Weather: Cloudy. 90% chance of showers.

The next routine forecast will be issued at 5:00 am 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.