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Cabot Strait - northern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 12 May 2025

Today Tonight and Tuesday.

Gale warning in effect.

Wind northwest 35 to 40 knots diminishing to northwest 25 to 30 near noon and to west 20 early this evening. Wind diminishing to west 15 near midnight then increasing to northwest 25 Tuesday morning. Wind diminishing to northwest 15 Tuesday evening.

Flurries ending early this morning. Visibility 1 mile or less in flurries.

Waves

Issued 05:00 AM ADT 12 May 2025
Today Tonight and Tuesday. Seas 3 to 4 metres subsiding to 2 early this evening.

Extended Forecast

Issued 03:00 AM ADT 12 May 2025
Wednesday Wind west 10 to 15 knots becoming light in the morning then increasing to southwest 20 in the afternoon.
Thursday Wind westerly 25 knots diminishing to northwest 15.
Friday Wind northerly 15 knots.

Ice Forecast

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

[ 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
Legend:
buoy Buoy
land station Land Station
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

Bergy water.

 

Iceberg Bulletin

Issued 3:02 PM EDT 11 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 12 May estimated from Newfoundland near 4723N 5503W to 4200N 5040W to 4135N 4720W to 4900N 4045W to 5320N 4815W to 5915N 5605W to 5920N 5335W to 5820N 4745W then eastward.

Iceberg Count

No confirmed icebergs except less than 10 icebergs east of the western iceberg limit.
Warnings

Warnings (In effect)

Gale warning in effect

Cabot Strait

Issued 03:00 AM ADT 12 May 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 3:00 AM ADT 12 May 2025 Today Tonight and Tuesday At 3:00 a.m. ADT today low 982 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

Another Region

Marine Weather for Canada

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