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Pointe-des-Monts to Anticosti - northern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 11 March 2026

Today Tonight and Thursday.

Gale warning in effect.

Wind northwest 15 to 25 knots diminishing to northeast 10 to 15 early this morning then increasing to northeast 15 to 25 this afternoon. Wind increasing to east 25 to 35 early this evening and to east 35 to 45 near midnight. Wind diminishing to east 20 to 30 Thursday afternoon then becoming northwesterly 15 to 25 Thursday evening.

Snow beginning near noon changing to scattered flurries Thursday afternoon. Visibility 1 mile or less in precipitation.

Freezing spray warning in effect.

Freezing spray beginning this evening.

Temperatures near minus 6.

Waves

Issued 03:00 AM EDT 11 March 2026
Today Tonight and Thursday. Over open water seas 1 metre or less building to 1 to 2 this evening and to 2 to 3 overnight. Seas subsiding to 1 to 2 Thursday evening.

Extended Forecast

Issued 06:00 AM EDT 11 March 2026
Friday Wind west 25 to 35 knots diminishing to west 15 to 25 late in the day.
Saturday Wind northeast 15 to 25 knots increasing to northeast 25 to 35.
Sunday Wind westerly 15 to 25 knots.

Ice Forecast

Issued 10:00 AM EDT 10 March 2026 Today Tonight and Wednesday 3 tenths grey ice except 5 tenths grey-white ice including 1 tenth first-year ice in the southwestern section. Consolidated first-year ice along parts of the coast. 

[ Canadian Ice Service ]

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Map of St. Lawrence - St. Lawrence River marine weather areas Miramichi North Cape Port Menier Roberval Airport Normandin Mistook Jonquière CFB Bagotville Cap-Chat Île Bicquette Charlo North Bay Airport Yarmouth Airport Brier Island St. Stephen Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac Kouchibouguac Grand Manan Fundy Park (Alma) Bas Caraquet Bathurst Airport Lac Saint-Pierre Pointe-Noire Île d'Orléans Pointe-des-Monts L'Assomption Sept-Îles Airport Pointe Claveau Pointe de l'Islet Trois-Rivières Airport L'Isle-aux-Grues Deschambault Île Rouge Montréal-Trudeau Int'l Airport Montréal Metropolitain Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Cap-Rouge Saint-Anicet Baie-Comeau Airport La Pocatière Pointe-au-Père New Carlisle Mont-Joli Airport Gaspé Airport Lake Nipissing - 45152 Rivière-la-Madeleine Beauport Cap-d'Espoir
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 10 March 2026 Today Tonight and Wednesday

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

3 tenths grey ice except 5 tenths grey-white ice including 1 tenth
first-year ice in the southwestern section. Consolidated first-year
ice along parts of the coast.

Warnings

Warnings (In effect)

Gale warning in effect

Pointe-des-Monts to Anticosti - northern half

Issued 03:00 AM EDT 11 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.

Freezing spray warning in effect

Pointe-des-Monts to Anticosti - northern half

Issued 03:00 AM EDT 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 3:00 AM EDT 11 March 2026 Today Tonight and Thursday At 3:00 a.m. EDT today high 1034 mb located over northern Quebec.
By 8:00 p.m. EDT tonight weakening high 1030 mb located over
Labrador.

At 3:00 a.m. EDT today low 1004 mb located over the Midwestern
states.
By 8:00 p.m. EDT Thursday low 990 mb located over the Gulf of
St. Lawrence.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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