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Forecast

Marine Forecast

Issued 03:00 AM ADT 08 May 2026

Today Tonight and Saturday.

Wind west 10 to 15 knots increasing to southwest 15 to 20 this afternoon then diminishing to light late this evening. Wind increasing to southwest 15 to 20 Saturday afternoon.

Scattered showers this afternoon and this evening. Rain Saturday evening.

Waves

Issued 05:00 AM ADT 08 May 2026
Today Tonight and Saturday. Seas 1 metre or less.

Extended Forecast

Issued 03:00 AM ADT 08 May 2026
Sunday Wind south 25 knots.
Monday Wind variable 10 to 15 knots.
Tuesday Wind north 20 knots.

Ice Forecast

Issued 10:00 AM EDT 7 May 2026 Today Tonight and Friday 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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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 7 May 2026 Today Tonight and Friday

Ice Edge

Ice edge estimated from Quebec near 5006N 6642W to 5001N 6603W to
4956N 5959W to 5102N 5743W to Newfoundland near 5047N 5708W. 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 8 May 2026 Today Tonight and Saturday At 3:00 a.m. ADT today trough located from Labrador to East
Scotian Slope.
By 3:00 a.m. ADT Saturday departing trough located from Labrador
Sea to the Grand Banks.

At 8:00 p.m. ADT Saturday approaching trough located over New
England.

Marine Weather Statement

Issued 2:32 AM ADT 8 May 2026 A trough of low pressure stretching from Labrador through East
Scotian Slope will continue slowly tracking eastward today. Strong to
gale force southerly winds ahead of the trough will diminish in its
wake.

Marine interests are advised that a gale warning is in effect for
Laurentian Fan.

St. Lawrence - St. Lawrence River Area

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