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Northumberland Strait

Forecast

Marine Forecast

Issued 10:00 AM ADT 12 May 2025

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind northwesterly 20 to 25 knots diminishing to westerly 10 to 15 this afternoon then increasing to northwest 15 to 20 early Tuesday morning. Wind diminishing to variable 10 to 15 near noon Tuesday.

Extended Forecast

Issued 03:00 AM ADT 12 May 2025
Wednesday Wind variable 10 to 15 knots increasing to southwest 20 in the afternoon.
Thursday Wind west 20 knots diminishing to variable 15.
Friday Wind variable 15 knots.

Ice Forecast

Issued 10:00 AM EDT 11 May 2025 Today Tonight and Monday Ice free. 

[ Canadian Ice Service ]

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Weather Conditions

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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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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 11 May 2025 Today Tonight and Monday

Ice Edge

Ice edge estimated from Quebec near 5033N 5925W to 5017N 5904W to Newfoundland near 5049N 5704W. Sea ice north of the ice edge.

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Strong wind warning in effect

Northumberland Strait

Issued 10:00 AM ADT 12 May 2025

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. 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 10:00 AM ADT 12 May 2025 Today Tonight and Tuesday At 10:00 a.m. ADT today low 984 mb located over southern Labrador
Sea.
By 3:30 p.m. ADT today departing low 984 mb located northeast
of Newfoundland.

At 3:00 a.m. ADT Tuesday trough from low located from Newfoundland
to Lurcher.
By 3:30 p.m. ADT Tuesday trough from low located over the Grand
Banks.

At 3:00 a.m. ADT Tuesday ridge located on a line north-south over
New England.
By 3:30 p.m. ADT Tuesday ridge located on a line north-south over
the Maritimes.

Marine Weather Statement

Issued 2:57 AM ADT 12 May 2025 A low pressure system over the Southern Labrador Sea will slowly
track eastward today. Strong to gale force west to northwesterly
winds will gradually diminish over northern and eastern waters this
afternoon.

Gale warnings are in effect for Banquereau, Cabot Strait, Gulf -
Magdalen - northeastern half and Anticosti.

Atlantic - Newfoundland Area

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