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Anticosti - eastern half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 16 June 2026

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind southeasterly 20 to 25 knots diminishing to southeast 15 to 20 this evening and to variable 10 to 15 late overnight. Wind variable 10 to 15 Wednesday.

Rain and fog patches ending near midnight with a risk of thunderstorms.

Waves

Issued 05:00 AM ADT 16 June 2026

Anticosti - northwestern half

Today Tonight and Wednesday. Seas 1 to 2 metres subsiding to 1 or less near noon Wednesday.

Anticosti - southeastern half

Today Tonight and Wednesday. Seas 2 to 3 metres subsiding to 1 to 2 near midnight and to 1 or less Wednesday evening.

Extended Forecast

Issued 03:00 AM ADT 16 June 2026
Thursday Wind easterly 20 knots.
Friday Wind easterly 30 knots.
Saturday Wind northeast 25 knots diminishing to north 15.

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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 - Quai de St-Jean 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 19 May 2026 Forecasts have ended for the season.
 

Iceberg Bulletin

Issued 2:30 PM EDT 15 June 2026

Iceberg Limit

Iceberg limit at 0000 UTC 16 Jun estimated from Newfoundland near
4705N 5530W to 4205N 5035W to 4410N 4310W to 4945N 4335W to 5315N
4800W to 5900N 5500W to 5910N 5345W to 5815N 5150W to 5745N 4520W
then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Anticosti - eastern half

Issued 10:00 AM ADT 16 June 2026

'Strong' winds of 20 to 33 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.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 16 June 2026 Today Tonight and Wednesday At 10:00 a.m. ADT today trough located from New Brunswick to East
Scotian Slope.
By 3:00 a.m. ADT Wednesday dissipating trough located from Anticosti
Island to Banquereau.

At 3:30 p.m. ADT today ridge located over New England.
By 3:30 p.m. ADT Wednesday ridge located on a line
northwest-southeast over the Marine District.

Marine Weather Statement

Issued 9:43 AM ADT 16 June 2026 A trough of low pressure stretching from New Brunswick to East
Scotian Slope will move eastward across the district today and
tonight. Strong to gale force southeasterly winds ahead of the trough
will shift to generally moderate to strong westerlies over most
waters in its wake.

Marine interests are advised that gale warnings are in effect for
Cabot Strait - northern half and Gulf-Magdalen - northeastern half.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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