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Anticosti - northwestern half

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 09 March 2026

Tonight and Tuesday.

Gale warning in effect.

Wind southwest 25 knots increasing to westerly 40 late overnight then diminishing to west 20 to 25 near noon Tuesday. Wind diminishing to northwest 15 Tuesday evening.

Periods of rain this evening. Snow Tuesday evening. Visibility 1 mile or less in snow.

Temperatures plus 1 falling to minus 3 Tuesday evening.

Waves

Issued 05:00 PM ADT 09 March 2026

Anticosti - eastern half

Tonight and Tuesday. Over open water seas 1 to 2 metres building to 2 to 3 late overnight then subsiding to 1 to 2 near noon Tuesday. Seas subsiding to 1 or less Tuesday evening.

Anticosti - western half

Tonight and Tuesday. Over open water seas 1 metre or less building to 1 to 2 late overnight then subsiding to 1 or less Tuesday afternoon.

Extended Forecast

Issued 03:30 PM ADT 09 March 2026
Wednesday Wind northerly 15 to 20 knots diminishing to variable 10 to 15 in the afternoon.
Thursday Wind easterly 35 knots.
Friday Wind west 35 knots.

Ice Forecast

Issued 10:00 AM EDT 9 March 2026 Today Tonight and Tuesday 3 tenths grey ice except 5 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 EDT 9 March 2026 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from 4420N 6720W to 4430N 6635W to 4330N 6615W to
4315N 6515W to 4600N 5749W to 4708N 5834W to 4630N 5615W to
Newfoundland near 4640N 5530W. Sea ice north of the ice edge.

Ice Coverage

3 tenths grey ice except 5 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 3:08 PM EDT 9 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 10 Mar estimated from Newfoundland near
4640N 5310W to 4520N 4930W to 4555N 4410W to 4815N 4300W to 5930N
5700W to 6150N 5400W to 5850N 5035W to 5810N 4530W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti - northwestern half

Issued 8:00 PM ADT 09 March 2026

'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 8:00 PM ADT 9 March 2026 Tonight and Tuesday At 8:00 p.m. ADT tonight approaching trough located over Quebec.

At 3:00 a.m. ADT Tuesday trough located over the St. Lawrence River.
By 10:00 a.m. ADT Tuesday departing trough located over southeastern
Labrador.

Marine Weather Statement

Issued 7:48 PM ADT 9 March 2026 A trough of low pressure over Quebec will move eastward tonight
passing just north of the marine district Tuesday morning. Increasing
southwesterly winds will reach strong to gale force ahead of the
trough. Diminishing winds are expected through the day Tuesday as the
trough pulls away and a weak ridge builds into the district.

Marine interests are advised that a gale warning is in effect for
Anticosti - northwestern half.

Atlantic - Maritimes Area

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Marine Weather for Canada

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