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Pointe-des-Monts to Anticosti - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 30 April 2025

Today Tonight and Thursday.

Storm warning in effect.

Wind west 20 to 30 knots increasing to westerly 40 to 50 early this morning then diminishing to northwest 30 to 40 this evening. Wind diminishing to northwest 15 to 25 Thursday morning then becoming southwest 15 Thursday evening.

Showers or flurries ending this evening. Risk of thunderstorms early this morning. Visibility as low as 1 mile in precipitation.

Temperatures plus 7 falling to zero overnight.

Waves

Issued 03:00 AM EDT 30 April 2025
Today Tonight and Thursday. Seas 1 metre or less building to 2 to 3 this morning then subsiding to 1 to 2 near midnight. Seas subsiding to 1 Thursday evening.

Extended Forecast

Issued 06:00 AM EDT 30 April 2025
Friday Wind light increasing to east 20 to 30 knots in the morning.
Saturday Wind east 20 to 30 knots becoming southwest 15 to 25.
Sunday Wind west 15 to 25 knots.

Ice Forecast

Issued 10:00 AM EDT 29 April 2025 Today Tonight and Wednesday Ice free. 

[ 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 Saint-Hubert 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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buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 29 April 2025 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Quebec near 5013N 6207W to 4959N 6152W to
4959N 6028W to 5057N 5758W to Newfoundland near 5029N 5728W. Sea ice
north then east of the ice edge.

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Storm warning in effect

Pointe-des-Monts to Anticosti - southern half

Issued 06:13 AM EDT 30 April 2025

'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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 30 April 2025 Today Tonight and Thursday At 3:00 a.m. EDT today low 992 mb located over northern Saguenay
River.
By 8:00 p.m. EDT Thursday departing low 995 mb located off
Newfoundland.

At 3:00 a.m. EDT today high 1024 mb located over Lake Superior.
By 8:00 p.m. EDT tonight high 1021 mb located over northern
Sept-Îles.

At 11:00 a.m. EDT Thursday approaching low 1006 mb located near
Lake Michigan.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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