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Laurentian Fan

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 19 April 2025

Tonight and Sunday.

Gale warning in effect.

Wind southwest 20 to 25 knots increasing to southwest 35 near midnight then veering to west 40 early Sunday evening.

Showers and fog banks overnight and Sunday.

Waves

Issued 05:00 PM ADT 19 April 2025
Tonight and Sunday. Seas 1 to 2 metres building to 2 to 3 this evening and to 3 to 5 late overnight.

Extended Forecast

Issued 04:01 PM ADT 19 April 2025
Monday Wind northwest 35 to 45 knots.
Tuesday Wind northwest 25 knots diminishing to light.
Wednesday Wind southeast 25 knots diminishing to westerly 15.

Ice Forecast

Issued 10:00 AM EDT 19 April 2025 Today Tonight and Sunday Ice free. 

[ Canadian Ice Service ]

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Map of Atlantic - Newfoundland marine weather areas Eskasoni (First Nations) Heath Point Bonavista Wreckhouse St.Paul Island Winterland Branch Hill Twillingate Stephenville Airport Burgeo St. Lawrence St. John's Int'l Airport St. Anthony Airport Grates Cove Cape Race Grand Étang Sagona Island North Mountain Port aux Basques Ingonish Beach La Scie Ferolle Point Englee Daniel's Harbour Corner Brook Cartwright Airport East Point West Chedabucto Bay – 44489 Blanc-Sablon Airport East Chedabucto Bay – 44488 Cap Whittle Chevery Banquereau - 44139 Charlottetown Airport Mary's Harbour North Cape Natashquan Airport Argentia J.A. Douglas McCurdy Sydney Airport Berry Hill Long Pond Îles de la Madeleine Airport Miscou Island Marticot Island Pool's Island
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 19 April 2025 Today Tonight and Sunday

Ice Edge

First ice edge estimated from New Brunswick near 4700N 6449W to
4836N 6358W to Quebec near 4851N 6412W. Sea ice west of the ice
edge.

Second ice edge estimated from Quebec near 5013N 6023W to 4956N
5932W to Newfoundland near 5022N 5732W. Sea ice north of the ice
edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 2:30 PM EDT 19 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 20 Apr estimated from Newfoundland near
4731N 5444W to 4125N 5145W to 4155N 4755W to 4700N 3720W to 5350N
4430W to 5915N 5605W to 6035N 5500W to 5900N 4930W then eastwards.

Western iceberg limit at 0000 UTC 20 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Laurentian Fan

Issued 8:00 PM ADT 19 April 2025

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 19 April 2025 Tonight and Sunday At 8:00 p.m. ADT tonight low 1003 mb located over Maine.
By 3:00 a.m. ADT Sunday intensifying low 1000 mb located near the
Gaspe Peninsula.

At 10:00 a.m. ADT Sunday low 996 mb located over the northeastern
Gulf of St. Lawrence.
By 8:00 p.m. ADT Sunday low 983 mb located over Newfoundland.

Marine Weather Statement

Issued 7:23 PM ADT 19 April 2025 A low pressure system over Maine will move to lie over the Gaspé
Peninsula overnight tonight. The low will then intensify on Sunday as
it moves slowly eastward across the Northern Gulf of St. Lawrence.

Winds will be strong to gale force southwesterlies over southern
waters tonight. On Sunday, winds will become strong to gale force
west or northwesterlies over the entire marine district as the low
intensifies.

On Sunday evening, winds over most of the Gulf of St. Lawrence are
forecast to increase to gale to possibly storm force northwesterlies.

Marine interests are advised that gale warnings are in effect for all
waters.

Atlantic - Newfoundland Area

Another Region

Marine Weather for Canada

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