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Pointe-des-Monts to Anticosti - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EST 20 January 2026

Tonight and Wednesday.

Storm warning in effect.

Wind west 40 to 50 knots diminishing to west 30 to 40 near midnight and to west 15 to 25 late Wednesday morning. Wind diminishing to light Wednesday evening.

Scattered flurries this afternoon. Visibility as low as 1 mile in flurries.

Freezing spray warning in effect.

Over open water freezing spray ending Wednesday evening.

Low tonight minus 17. High Wednesday minus 12.

Waves

Issued 03:00 PM EST 20 January 2026
Tonight and Wednesday. Over open water seas 2 to 3 metres subsiding to 1 to 2 near noon Wednesday and to 1 or less Wednesday evening.

Extended Forecast

Issued 06:00 PM EST 20 January 2026
Thursday Wind southeast 15 to 25 knots.
Friday Wind east 15 to 25 knots increasing to west 25 to 35.
Saturday Wind west 20 to 30 knots.

Ice Forecast

Issued 10:00 AM EST 20 January 2026 Today Tonight and Wednesday 7 tenths new ice including 3 tenths grey ice. 

[ Canadian Ice Service ]

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

Ice Forecasts

Issued 10:00 AM EST 20 January 2026 Today Tonight and Wednesday

Ice Edge

First ice edge estimated from New Brunswick near 4532N 6507W to Nova
Scotia near 4500N 6510W. Sea ice east of the ice edge.

Second ice edge estimated from Nova Scotia near 4435N 6327W to 4432N
6251W to 4539N 5917W to 4704N 6000W to 4825N 6224W to 5039N 5807W to
4759N 5937W to Newfoundland near 4738N 5919W. Sea ice northwest then
east of the ice edge.

Ice Coverage

7 tenths new ice including 3 tenths grey ice.

Warnings

Warnings (In effect)

Storm warning in effect

Pointe-des-Monts to Anticosti - southern half

Issued 3:00 PM EST 20 January 2026

'Storm' force winds of 48 to 63 knots are 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.

Freezing spray warning in effect

Pointe-des-Monts to Anticosti - southern half

Issued 3:00 PM EST 20 January 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 EST 20 January 2026 Tonight and Wednesday At 3:00 p.m. EST today trough located on a line northeast-southwest
over Sept-Îles.
By 3:00 p.m. EST Wednesday departing trough located over Labrador
Sea.

At 3:00 p.m. EST today ridge located on a line northeast-southwest
over western Quebec.
By 7:00 p.m. EST Wednesday ridge located on a line
northwest-southeast over the Gulf of St. Lawrence.

By 7:00 p.m. EST Wednesday building low 1007 mb located over
Lake Superior.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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