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Cabot Strait

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 21 May 2025

Today Tonight and Thursday.

Wind northerly 15 to 20 knots diminishing to variable 10 to 15 this evening and to light Thursday morning. Wind becoming southeast 10 to 15 Thursday evening.

Waves

Issued 05:00 AM ADT 21 May 2025
Today Tonight and Thursday. Seas 1 to 2 metres subsiding to 1 or less Thursday morning.

Extended Forecast

Issued 03:00 AM ADT 21 May 2025
Friday Wind southeast 15 knots increasing to southeast 25 in the morning and to southeast 25 to 35 in the afternoon.
Saturday Wind east 25 knots diminishing to variable 10 to 15.
Sunday Wind variable 10 to 15 knots.

Ice Forecast

Issued 10:00 AM EDT 21 May 2025 Today Tonight and Thursday 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
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 21 May 2025 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Quebec near 5124N 5751W to 5055N 5734W to 5102N 5716W then northeastward. Sea ice northeast of the ice edge.

Ice Coverage

Bergy water.

 

Iceberg Bulletin

Issued 3:12 PM EDT 20 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 21 May estimated from Newfoundland near 4723N 5503W to 4130N 5215W to 4130N 4600W to 4825N 4035W to 5320N 4815W to 5915N 5605W to 5755N 5155W to 5900N 4845W then eastward.

Iceberg Count

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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 21 May 2025 Today Tonight and Thursday At 10:00 a.m. ADT today ridge located from Labrador to New England.
By 8:00 p.m. ADT tonight ridge located on a line north-south over
the Maritimes.

At 8:00 p.m. ADT Thursday approaching low 995 mb located near
Long Island.

Marine Weather Statement

Issued 9:23 AM ADT 21 May 2025 A low pressure system will approach the marine district from the
southwest on Thursday to lie off Long Island by Thursday evening.
Strong to gale force easterly winds will develop over southwestern
waters late Thursday ahead of the low.

Marine interests are advised that gale warnings are in effect for
Lurcher, Browns Bank, Georges Bank, LaHave Bank, and West Scotian
Slope.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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