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Laurentian Fan

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 18 July 2026

Today Tonight and Sunday.

Wind westerly 15 knots diminishing to light this morning then increasing to southerly 20 Sunday morning. Wind increasing to south 30 near noon Sunday.

Rain and fog patches Sunday late in the day with a risk of thunderstorms.

Waves

Issued 05:00 PM ADT 17 July 2026
Tonight and Saturday. Seas 1 to 2 metres.

Extended Forecast

Issued 03:00 AM ADT 18 July 2026
Monday Wind southwest 20 knots.
Tuesday Wind light becoming southeast 15 knots late in the day.
Wednesday Wind southerly 15 knots increasing to south 25.

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Map of Atlantic - Maritimes marine weather areas East Scotia Slope - 44137 Cap-Chat Burgeo Île Bicquette New Carlisle Îles de la Madeleine Airport Port Menier Summerside North Cape Pointe-au-Père Mont-Joli Airport La Pocatière Wreckhouse Banquereau - 44139 Port aux Basques Sagona Island Gaspé Airport LaHave Bank - 44150 Halifax Harbour - 44258 St. Lawrence Stephenville Western Head Winterland Branch Hill Île aux Perroquets Beaver Island Baccaro Point St. Stephen Pointe-des-Monts Saint John Airport Sept-Îles Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Longue-Pointe-de-Mingan Miscou Island Île Rouge Kouchibouguac Pointe-Noire Kouchibouguac Havre-Saint-Pierre Airport Grand Manan Fundy Park (Alma) Miramichi Charlo West Chedabucto Bay – 44489 Bathurst Airport Baie-Comeau Airport Bas Caraquet East Chedabucto Bay – 44488 Nappan AAFC East Point Charlottetown Airport Yarmouth Airport Cap-d'Espoir Tracadie J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Rivière-la-Madeleine 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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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 17 July 2026

Iceberg Limit

Iceberg limit at 0000 UTC 18 Jul estimated from Newfoundland near
4805N 5255W to 4645N 4700W to 4700N 4450W to 4830N 4430W to 5535N
5100W to 5815N 5515W to 5750N 5400W to 5825N 4825W to 5720N 4510W
then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 18 July 2026 Today Tonight and Sunday At 3:00 a.m. ADT today departing low located over Labrador.

At 3:30 p.m. ADT today low 997 mb located over southern Quebec.
By 3:30 p.m. ADT Sunday low 987 mb located over the Gaspe Peninsula.

Marine Weather Statement

Issued 2:44 AM ADT 18 July 2026 A low pressure system centered over Southern Quebec this afternoon
will move east to lie over the Gaspé Peninsula by Sunday afternoon.
Strong to gale force south to southeasterlies are expected southeast
of the low.

Marine interests are advised gale warnings are in effect for
Banquereau, Cabot Strait, Gulf - Magdalen, and Anticosti - eastern
half.

Atlantic - Maritimes Area

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Marine Weather for Canada

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