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Anticosti - southeastern half

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 10 April 2026

Tonight and Saturday.

Wind southwest 15 knots diminishing to light near midnight then increasing to easterly 10 to 15 Saturday morning. Wind increasing to variable 20 to 25 Saturday afternoon and to northwest 30 Saturday evening.

Scattered showers changing to periods of snow or rain overnight. Risk of freezing rain overnight and Saturday. Visibility 1 mile or less in precipitation.

Temperatures near zero.

Waves

Issued 05:00 PM ADT 10 April 2026
Tonight and Saturday. Seas 1 to 2 metres subsiding to 1 or less near midnight then building to 1 to 2 near noon Saturday. Seas building to 2 to 3 Saturday evening.

Extended Forecast

Issued 03:30 PM ADT 10 April 2026
Sunday Wind northwest 30 knots diminishing to northwest 20 late in the day.
Monday Wind light increasing to southeast 25 knots.
Tuesday Wind northwest 10 to 15 knots.

Ice Forecast

Issued 10:00 AM EDT 10 April 2026 Today Tonight and Saturday Open water. Consolidated rotten first-year ice in a few sheltered bays. 

[ 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 10 April 2026 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Nova Scotia near 4520N 6059W to 4547N 5924W
to 4712N 5933W to Newfoundland near 4753N 5924W. Sea ice west of the
ice edge.

Ice Coverage

Open water. Consolidated rotten first-year ice in a few sheltered
bays.

 

Iceberg Bulletin

Issued 2:30 PM EDT 10 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 11 Apr estimated from Newfoundland near
4655N 5400W to 4535N 5245W to 4545N 4655W to 4640N 4355W to 5000N
4425W to 5305N 4755W to 5900N 5600W to 6015N 5245W to 5735N 4735W
then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 10 April 2026 Tonight and Saturday At 8:00 p.m. ADT tonight dissipating ridge located from Newfoundland
to Laurentian Fan.

At 8:00 p.m. ADT tonight departing trough located over the northern
Gaspe Peninsula.

At 3:00 a.m. ADT Saturday low 1013 mb located over Maine.
By 3:30 p.m. ADT Saturday intensifying low 1005 mb located south
of Anticosti Island.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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