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Bureau of Meteorology


Coastal Waters Forecast 

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IDT12330

Australian Government Bureau of Meteorology
Tasmania

Coastal Waters Forecast for Tasmania
Northern Zones: Sandy Cape to St Helens Point

Issued at 4:05 pm EST on Saturday 26 April 2025
for the period until midnight EST Tuesday 29 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 weak ridge of high pressure extends over the state from the west today, ahead of a cold front moving over the state from the south on Sunday. A weak trough will move over Tasmania on Monday, before a ridge directs southerly flow over the state from a high situated in the Bight on Tuesday.

Far North West Coast: Sandy Cape to Stanley

Forecast for Saturday 26 April until midnight

Winds: Southwesterly 10 to 15 knots. Seas: Around 1 metre. Swell: Southwesterly 2 to 3 metres, increasing to 3 to 4 metres south of King Island. Weather: Partly cloudy.

Forecast for Sunday 27 April

Winds: West to southwesterly 10 to 15 knots tending south to southwesterly during the day. Winds reaching up to 20 knots east of King Island in the afternoon. Seas: Around 1 metre, increasing to 1 to 1.5 metres east of King Island during the afternoon. Swell: Southwesterly 2 to 3 metres, increasing to 3 to 4 metres south of King Island. Weather: Cloudy.

Forecast for Monday 28 April

Winds: Southerly 10 to 15 knots turning southwesterly during the morning. Seas: Around 1 metre. Swell: Southwesterly 2 to 3 metres. Weather: Partly cloudy.

Forecast for Tuesday 29 April

Winds: Southwesterly 15 to 20 knots turning southerly 20 to 30 knots during the morning. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning. Swell: Southwesterly 1 to 2 metres, increasing to 2 to 3 metres south of King Island. Weather: Partly cloudy. 50% chance of showers.

Central North Coast: Stanley to Northern Tip of Flinders Island

Forecast for Saturday 26 April until midnight

Winds: West to southwesterly 10 to 15 knots. Seas: Around 1 metre. Swell: Westerly around 1 metre offshore. Weather: Mostly clear.

Forecast for Sunday 27 April

Winds: West to southwesterly 15 to 20 knots tending south to southwesterly 10 to 15 knots in the evening. Seas: 1 to 1.5 metres. Swell: Westerly below 1 metre inshore, increasing to around 1 metre offshore. Weather: Partly cloudy.

Forecast for Monday 28 April

Winds: Southeast to southwesterly 10 to 15 knots tending northeast to southeasterly before dawn then tending west to southwesterly in the early afternoon. Seas: Around 1 metre. Swell: Westerly around 1 metre offshore. Weather: Cloudy. 60% chance of showers.

Forecast for Tuesday 29 April

Winds: Southwesterly 15 to 20 knots turning south to southeasterly during the day. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore. Swell: West to southwesterly around 1 metre offshore. Weather: Partly cloudy. 50% chance of showers.

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

Forecast for Saturday 26 April until midnight

Winds: Variable below 10 knots. Seas: Below 0.5 metres. 1st Swell: Southerly around 1 metre. 2nd Swell: Northeasterly around 1 metre. Weather: Mostly clear.

Forecast for Sunday 27 April

Winds: West to southwesterly 10 to 15 knots, reaching up to 20 knots offshore in the late afternoon. Winds becoming variable about 10 knots in the late evening. Seas: Around 1 metre. Swell: Southerly around 1 metre. Weather: Mostly sunny.

Forecast for Monday 28 April

Winds: Southeasterly 10 to 15 knots tending northeast to southeasterly in the morning then tending northwest to southwesterly in the late evening. Seas: Below 1 metre. 1st Swell: Easterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the afternoon. 2nd Swell: Southerly around 1 metre. Weather: Cloudy. 60% chance of showers.

Forecast for Tuesday 29 April

Winds: Southwesterly 15 to 20 knots turning southerly 20 to 30 knots during the morning. Seas: Around 1 metre, increasing to 1.5 to 2.5 metres during the morning. 1st Swell: Southerly around 1 metre inshore, increasing to 1.5 to 2 metres offshore during the afternoon. 2nd Swell: Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning. Weather: Partly cloudy. 80% chance of showers.

Banks Strait and Franklin Sound

Forecast for Saturday 26 April until midnight

Winds: Westerly below 10 knots. Seas: Below 0.5 metres. Swell: East to northeasterly below 1 metre. Weather: Mostly clear.

Forecast for Sunday 27 April

Winds: Westerly 15 to 20 knots shifting south to southeasterly below 10 knots in the evening. Seas: Around 1 metre. Swell: Easterly below 1 metre. Weather: Mostly sunny.

Forecast for Monday 28 April

Winds: Southeasterly 10 to 15 knots becoming variable below 10 knots in the middle of the day. Seas: Below 1 metre. Swell: Easterly around 1 metre. Weather: Cloudy. 60% chance of showers.

Forecast for Tuesday 29 April

Winds: Southwesterly 10 to 15 knots turning southerly 15 to 25 knots during the morning. Seas: Below 1 metre, increasing to 1 to 2 metres during the morning. 1st Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the morning. 2nd Swell: Easterly around 1 metre. Weather: Partly cloudy. 60% chance of showers.

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

* 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.