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Anticosti - northwestern half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM AST 07 March 2026

Today Tonight and Sunday.

Wind southerly 25 knots diminishing to variable 10 to 15 late overnight then increasing to northwest 15 to 20 early Sunday morning. Wind diminishing to light Sunday evening.

Flurries beginning this afternoon changing to periods of rain this evening and ending near noon Sunday. Fog patches forming after midnight and dissipating Sunday morning.

Over open water risk of freezing spray late this morning and this afternoon.

Temperatures minus 7 rising to plus 4 overnight then falling to minus 1 Sunday evening.

Waves

Issued 05:00 AM AST 07 March 2026

Anticosti - eastern half

Today Tonight and Sunday. Over open water seas 1 metre or less building to 1 to 2 this morning and to 2 to 3 this afternoon. Seas building to 3 to 4 this evening then subsiding to 2 to 3 Sunday morning and to 1 to 2 Sunday afternoon.

Anticosti - western half

Today Tonight and Sunday. Over open water seas 1 metre or less.

Extended Forecast

Issued 03:00 AM AST 07 March 2026
Monday Wind variable 10 to 15 knots increasing to southwest 20 to 25 in the afternoon.
Tuesday Wind westerly 35 knots diminishing to northwest 20.
Wednesday Wind north 15 knots diminishing to light.

Ice Forecast

Issued 10:00 AM EST 7 March 2026 Today Tonight and Sunday 5 tenths new ice including 2 tenths grey ice except 7 tenths grey-white ice including 1 tenth first-year ice in the southern section. Consolidated first-year ice along parts of the coasts. 

[ 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 EST 7 March 2026 Today Tonight and Sunday

Ice Edge

Ice edge estimated from 4420N 6720W to 4430N 6635W to 4330N 6615W to
4315N 6515W to 4549N 5807W to 4708N 5834W to 4630N 5615W to
Newfoundland near 4640N 5530W. Sea ice north of the ice edge.

Ice Coverage

5 tenths new ice including 2 tenths grey ice except 7 tenths
grey-white ice including 1 tenth first-year ice in the southern
section. Consolidated first-year ice along parts of the coasts.

 

Iceberg Bulletin

Issued 1:30 PM EST 7 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 8 Mar estimated from Newfoundland near
4640N 5310W to 4510N 4930W to 4540N 4345W to 4820N 4140W to 5210N
4630W to 5930N 5700W to 6150N 5400W to 5850N 5035W to 5810N 4530W
then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM AST 7 March 2026 Today Tonight and Sunday At 10:00 a.m. AST today low located south of East Scotian Slope.
By 8:00 p.m. AST tonight dissipating low located south of East
Scotian Slope.

At 8:00 p.m. AST tonight trough located over Quebec.
By 3:30 p.m. ADT Sunday trough located over the Gulf of
St. Lawrence.

At 10:00 a.m. AST today departing ridge located east of the Marine
District.

Marine Weather Statement

Issued 9:36 AM AST 7 March 2026 A trough of low pressure will approach from the west today and
tonight to lie over the Gulf of St. Lawrence Sunday afternoon.
Winds will increase to strong to gale force southwesterlies ahead of
the trough.

Marine interests are advised that gale warnings are in effect for
Banquereau northern half, Cabot Strait, Gulf-Magdalen - northeastern
half and Anticosti - southeastern half.

Atlantic - Maritimes Area

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Marine Weather for Canada

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