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Pointe-des-Monts to Anticosti - northern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 07 March 2026

Today Tonight and Sunday.

Gale warning in effect.

Wind south 10 to 15 knots increasing to southerly 15 to 25 early this morning and to west 25 to 35 late this evening. Wind diminishing to northwest 15 to 25 after midnight and to light near noon Sunday.

Periods of snow or freezing rain beginning early this morning changing to periods of rain or snow this afternoon and ending Sunday morning. Visibility 1 mile or less in precipitation.

Temperatures minus 6 rising to plus 3 this evening then falling to minus 3 Sunday evening.

Waves

Issued 03:00 AM EST 07 March 2026
Today Tonight and Sunday. Over open water seas 1 metre or less building to 1 to 2 this morning then subsiding to 1 or less Sunday afternoon.

Extended Forecast

Issued 06:00 AM EST 07 March 2026
Monday Wind southwest 20 to 30 knots.
Tuesday Wind southwest 30 to 40 knots diminishing to northwest 10 to 20.
Wednesday Wind northwest 10 to 20 knots veering to northeast 15 to 25.

Ice Forecast

Issued 10:00 AM EST 6 March 2026 Today Tonight and Saturday 5 tenths new ice including 2 tenths grey ice except 9 tenths grey ice including 1 tenth first-year ice in the extreme 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 EST 6 March 2026 Today Tonight and Saturday

Ice Edge

Ice edge estimated from 4420N 6720W to 4430N 6635W to 4330N 6615W to
4315N 6515W to 4549N 5807W to 4708N 5834W to 4630N 5615W to
Newfoundland near 4640N 5530W. Sea ice north of the ice edge.

Ice Coverage

5 tenths new ice including 2 tenths grey ice except 9 tenths grey
ice including 1 tenth first-year ice in the extreme 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 EST 07 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 3:00 AM EST 7 March 2026 Today Tonight and Sunday At 3:00 a.m. EST today low 1001 mb located west of Lake Michigan.
By 8:00 p.m. EDT Sunday departing low 997 mb located near
Natashquan.

At 3:00 a.m. EST today ridge located on a line northeast-southwest
over the Midwestern states.
By 8:00 p.m. EDT Sunday ridge located on a line northeast-southwest
over Lake Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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