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Pointe-des-Monts to Anticosti - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 15 March 2026

Today Tonight and Monday.

Gale warning in effect.

Wind light increasing to west 20 to 30 knots this morning then diminishing to westerly 10 to 15 early this evening. Wind increasing to southeasterly 15 to 25 overnight and to southeasterly 25 to 35 Monday morning.

Flurries ending near noon. Snow Monday morning and afternoon with a risk of freezing rain late Monday afternoon changing to periods of rain. Visibility 1 mile or less in precipitation.

Freezing spray warning in effect.

Risk of freezing spray this afternoon. Freezing spray Monday afternoon.

Temperatures minus 5 rising to zero Monday evening.

Waves

Issued 03:00 AM EDT 15 March 2026
Today Tonight and Monday. Over open water seas 1 metre or less building to 1 to 2 near noon then subsiding to 1 or less this evening. Seas building to 2 near noon Monday.

Extended Forecast

Issued 06:00 AM EDT 15 March 2026
Tuesday Wind east 15 to 25 knots increasing to south 40 to 50 in the morning then becoming southwest 35 to 45 late in the day.
Wednesday Wind west 30 to 40 knots diminishing to west 15 to 25 late in the day.
Thursday Wind southeasterly 10 to 20 knots.

Ice Forecast

Issued 10:00 AM EDT 15 March 2026 Today Tonight and Monday 7 tenths new ice including a trace of first-year ice. 

[ 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 15 March 2026 Today Tonight and Monday

Ice Edge

Ice edge estimated from Nova Scotia near 4437N 6325W to 4419N 6258W
to 4602N 5807W to Newfoundland near 4740N 5814W. Sea ice north of
the ice edge.

Ice Coverage

7 tenths new ice including a trace of first-year ice.

Warnings

Warnings (In effect)

Gale warning in effect

Pointe-des-Monts to Anticosti - southern half

Issued 03:00 AM EDT 15 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 03:00 AM EDT 15 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 15 March 2026 Today Tonight and Monday At 3:00 a.m. EDT today departing low 996 mb located near
Newfoundland.

At 3:00 a.m. EDT today ridge located on a line north-south over
western Québec city.
By 4:00 p.m. EDT Monday ridge located on a line northwest-southeast
over Newfoundland.

At 4:00 p.m. EDT today low 991 mb located over the Midwestern
states.
By 8:00 p.m. EDT Monday low 988 mb located over southwestern Quebec.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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