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Cabot Strait - southern half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 13 May 2025

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind northwest 25 knots backing to west 15 to 20 this evening then diminishing to variable 10 to 15 Wednesday morning. Wind increasing to southwest 25 Wednesday evening.

Waves

Issued 05:00 AM ADT 13 May 2025
Today Tonight and Wednesday. Seas 1 to 2 metres subsiding to 1 or less Wednesday morning then building to 1 to 2 Wednesday evening.

Extended Forecast

Issued 03:00 AM ADT 13 May 2025
Thursday Wind westerly 25 knots diminishing to variable 10 to 15 in the afternoon.
Friday Wind variable 10 to 15 knots increasing to northerly 20.
Saturday Wind northerly 10 to 15 knots becoming southeast 10 to 15.

Ice Forecast

Issued 10:00 AM EDT 12 May 2025 Today Tonight and Tuesday 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
Legend:
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 12 May 2025 Today Tonight and Tuesday

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.

 

Iceberg Bulletin

Issued 3:16 PM EDT 12 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 13 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)

Strong wind warning in effect

Cabot Strait

Issued 10:00 AM ADT 13 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 13 May 2025 Today Tonight and Wednesday At 10:00 a.m. ADT today trough located from Newfoundland to
Laurentian Fan.
By 3:30 p.m. ADT today trough located over the Grand Banks.

At 10:00 a.m. ADT today ridge located on a line north-south over
New Brunswick.
By 3:00 a.m. ADT Wednesday ridge located over the central Marine
District.

At 3:30 p.m. ADT Wednesday trough located over the Gaspe Peninsula.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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