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Gulf - Magdalen - northwestern half

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 11 March 2026

Tonight and Thursday.

Wind east 20 to 25 knots increasing to east 30 near midnight then diminishing to variable 15 Thursday morning. Wind increasing to westerly 20 Thursday afternoon.

Snow changing to freezing rain overnight then to rain and fog patches Thursday morning. Flurries Thursday evening. Visibility 1 mile or less in snow and in fog patches.

Freezing spray warning in effect.

Over open water freezing spray ending Thursday morning.

Temperatures minus 5 rising to plus 4 Thursday afternoon.

Waves

Issued 05:00 PM ADT 11 March 2026
Tonight and Thursday. Over open water seas 1 metre or less building to 1 to 2 late overnight and to 2 to 3 Thursday morning. Seas subsiding to 1 to 2 Thursday evening.

Extended Forecast

Issued 03:30 PM ADT 11 March 2026
Friday Wind westerly 35 knots diminishing to westerly 25 in the afternoon.
Saturday Wind variable 15 knots increasing to southeast 35.
Sunday Wind northwest 35 knots diminishing to northwest 25.

Ice Forecast

Issued 10:00 AM EDT 11 March 2026 Today Tonight and Thursday 7 tenths grey-white ice including 3 tenths first-year ice. Consolidated first-year ice along parts of the Prince Edward Island coast. 

[ Canadian Ice Service ]

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Map of Atlantic - Maritimes marine weather areas East Scotia Slope - 44137 Cap-Chat Burgeo Île Bicquette New Carlisle Îles de la Madeleine Airport Port Menier Summerside North Cape Pointe-au-Père Mont-Joli Airport La Pocatière Wreckhouse Banquereau - 44139 Port aux Basques Sagona Island Gaspé Airport LaHave Bank - 44150 Halifax Harbour - 44258 St. Lawrence Stephenville Airport Western Head Winterland Branch Hill Île aux Perroquets Beaver Island Baccaro Point St. Stephen Pointe-des-Monts Saint John Airport Sept-Îles Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Longue-Pointe-de-Mingan Miscou Island Île Rouge Kouchibouguac Pointe-Noire Kouchibouguac Havre-Saint-Pierre Airport Grand Manan Fundy Park (Alma) Miramichi Charlo West Chedabucto Bay – 44489 Bathurst Airport Baie-Comeau Airport Bas Caraquet East Chedabucto Bay – 44488 Nappan AAFC East Point Charlottetown Airport Yarmouth Airport Cap-d'Espoir Tracadie J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Rivière-la-Madeleine McNabs Island Lunenburg Kentville AAFC Ingonish Beach Hart Island CFB Greenwood Grand Étang Eskasoni (First Nations) Debert Caribou Point Brier Island
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 11 March 2026 Today Tonight and Thursday

Ice Edge

Ice edge estimated from 4420N 6720W to 4430N 6635W to 4330N 6615W to
4315N 6515W to 4603N 5814W to 4722N 5805W to 4643N 5628W to
Newfoundland near 4640N 5530W. Sea ice north of the ice edge.

Ice Coverage

7 tenths grey-white ice including 3 tenths first-year ice.
Consolidated first-year ice along parts of the Prince Edward Island
coast.

 

Iceberg Bulletin

Issued 2:59 PM EDT 11 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 12 Mar estimated from Newfoundland near
4640N 5310W to 4520N 4930W to 4555N 4410W to 4815N 4300W to 5930N
5700W to 6120N 5400W to 5825N 4900W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Freezing spray warning in effect

Gulf - Magdalen - northwestern half

Issued 8:00 PM ADT 11 March 2026

Moderate or severe freezing spray is 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 8:00 PM ADT 11 March 2026 Tonight and Thursday At 8:00 p.m. ADT tonight departing ridge located from Labrador
to Newfoundland.

At 8:00 p.m. ADT tonight low 997 mb located over southern Ontario.

At 10:00 a.m. ADT Thursday low 990 mb located west of New Brunswick.
By 8:00 p.m. ADT Thursday low 991 mb located east of Anticosti
Island.

Marine Weather Statement

Issued 7:50 PM ADT 11 March 2026 A low pressure system will approach the marine district from the west
tonight and cross the Gulf of St. Lawrence on Thursday. Strong to
gale force southeasterlies will develop ahead of the low and shift to
strong northwesterlies in its wake.

Marine interests are advised that gale warnings are in effect for all
waters except for Fundy, Northumberland Strait, Gulf - Magdalen -
northwestern half, Chaleur - Miscou, and Anticosti - southern half.

Marine interests are also advised that freezing spray warnings are in
effect for all Gulf of St. Lawrence waters except Northumberland
Strait.

Atlantic - Maritimes Area

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Marine Weather for Canada

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