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Pointe-des-Monts to Anticosti - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 12 March 2026

Tonight and Friday.

Gale warning in effect.

Wind northeast 15 to 25 knots backing to northwest 15 to 25 near midnight then increasing to northwest 25 to 35 Friday morning. Wind diminishing to northwest 15 to 25 Friday evening.

Snow ending near noon Friday. Visibility 1 mile or less in snow.

Freezing spray warning in effect.

Risk of freezing spray late this afternoon tonight and Friday morning. Freezing spray beginning near noon Friday.

Temperatures minus 3 falling to minus 10 Friday morning.

Waves

Issued 03:00 PM EDT 12 March 2026
Tonight and Friday. Over open water seas 1 to 2 metres.

Extended Forecast

Issued 06:00 PM EDT 12 March 2026
Saturday Wind northeast 15 to 25 knots increasing to northeast 25 to 35 in the morning.
Sunday Wind northeast 15 to 25 knots becoming westerly 15 to 25.
Monday Wind east 20 knots with gusts to 30 increasing to east 35 to 45.

Ice Forecast

Issued 10:00 AM EDT 12 March 2026 Today Tonight and Friday 1 tenth first-year ice. 

[ Canadian Ice Service ]

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Weather Conditions

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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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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 12 March 2026 Today Tonight and Friday

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

1 tenth first-year ice.

Warnings

Warnings (In effect)

Gale warning in effect

Pointe-des-Monts to Anticosti - southern half

Issued 6:19 PM EDT 12 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 - southern half

Issued 6:19 PM EDT 12 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 PM EDT 12 March 2026 Tonight and Friday At 3:00 p.m. EDT today low 994 mb located over the Gulf of
St. Lawrence.
By 8:00 p.m. EDT Friday low 963 mb located over Labrador Sea.

At 3:00 p.m. EDT today ridge located on a line north-south over
Ontario.
By 8:00 p.m. EDT Friday ridge located on a line northwest-southeast
over Rivière-du-Loup.

At 8:00 p.m. EDT Friday approaching low 993 mb located over
Lake Huron.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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