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Pointe-des-Monts to Anticosti - northern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 12 August 2026

Today Tonight and Thursday.

Strong wind warning in effect.

Wind west 15 knots increasing to southwest 15 to 25 early this morning then becoming west 15 near midnight. Wind increasing to southwest 15 to 25 Thursday evening.

Scattered showers this afternoon and this evening with a risk of thunderstorms. Scattered showers Thursday afternoon and evening. Fog banks dissipating this morning.

Waves

Issued 03:00 AM EDT 12 August 2026
Today Tonight and Thursday. Seas 1 metre building to 1 to 2 near noon.

Extended Forecast

Issued 06:00 AM EDT 12 August 2026
Friday Wind southwest 15 to 25 knots becoming northwest 15 late in the day.
Saturday Wind northwest 15 knots increasing to southwest 20 to 30.
Sunday Wind southwest 20 knots.

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Map of Atlantic - Maritimes marine weather areas Baie-Comeau Airport Halifax Harbour - 44258 West Chedabucto Bay – 44489 North Cape Winterland Branch Hill Summerside Wreckhouse East Scotia Slope - 44137 Stephenville St. Lawrence Burgeo Havre-Saint-Pierre Airport Île aux Perroquets Île Rouge Longue-Pointe-de-Mingan Banquereau - 44139 Sept-Îles Airport Port aux Basques LaHave Bank - 44150 Sagona Island Mont-Joli Airport Beaver Island Baccaro Point St. Stephen Rivière-la-Madeleine Saint John Airport Gaspé Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Îles de la Madeleine Airport Miscou Island La Pocatière Kouchibouguac Cap-d'Espoir Grand Manan New Carlisle Fundy Park (Alma) Pointe-au-Père Miramichi Port Menier Charlo Île Bicquette Bathurst Airport Cap-Chat Bas Caraquet East Chedabucto Bay – 44488 Nappan AAFC East Point Charlottetown Airport Yarmouth Airport Pointe-Noire Western Head Tracadie J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Pointe-des-Monts McNabs Island Lunenburg Kentville AAFC Ingonish Beach Hart Island CFB Greenwood Grand Étang Eskasoni (First Nations) Debert Caribou Point Brier Island
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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.
Warnings

Warnings (In effect)

Strong wind warning in effect

Pointe-des-Monts to Anticosti - northern half

Issued 03:00 AM EDT 12 August 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 3:00 AM EDT 12 August 2026 Today Tonight and Thursday At 3:00 a.m. EDT today low 999 mb located over the Gulf of
St. Lawrence.
By 8:00 p.m. EDT tonight departing low 998 mb located over northern
Newfoundland.

At 8:00 p.m. EDT Thursday trough located from Labrador to Sept-Îles.

At 8:00 p.m. EDT Thursday approaching ridge located over
northwestern Ontario.

Atlantic - Maritimes Area

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Marine Weather for Canada

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