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Northumberland Strait - western half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 11 May 2026

Today Tonight and Tuesday.

Wind southwest 15 knots becoming variable 10 to 15 early this morning then diminishing to light near midnight. Wind becoming variable 10 to 15 Tuesday morning.

Scattered showers this afternoon and this evening. Fog patches dissipating near noon.

Extended Forecast

Issued 03:00 AM ADT 11 May 2026
Wednesday Wind northwest 20 knots backing to southwest 15 late in the day.
Thursday Wind southwest 15 knots backing to southerly 20.
Friday Wind southerly 20 knots backing to east 20 to 25 late in the day.

Ice Forecast

Issued 10:00 AM EDT 10 May 2026 Today Tonight and Monday Ice free. 

[ 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 10 May 2026 Today Tonight and Monday

Ice Edge

Ice edge estimated from Quebec near 5016N 6251W to 4956N 6207W to
4956N 5959W to 5116N 5738W to Quebec near 5125N 5736W. Sea ice north
of the ice edge.

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 11 May 2026 Today Tonight and Tuesday At 3:00 a.m. ADT today trough located from Anticosti Island to
the Gulf of Maine.
By 3:00 a.m. ADT Tuesday trough located from Labrador to East
Scotian Slope.

At 8:00 p.m. ADT Tuesday trough located from Labrador Sea to
Laurentian Fan.

At 8:00 p.m. ADT Tuesday approaching ridge located west of the
Marine District.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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