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Marine Forecast

Issued 10:00 AM ADT 18 August 2026

Today Tonight and Wednesday.

Wind southerly 15 to 20 knots backing to southeasterly 20 to 25 early this evening then diminishing to southwesterly 15 Wednesday morning. Wind diminishing to light Wednesday evening.

Showers and fog patches. Risk of thunderstorms today and tonight.

Waves

Issued 05:00 AM ADT 18 August 2026
Today Tonight and Wednesday. Seas 1 to 2 metres building to 2 to 3 this evening then subsiding to 1 to 2 Wednesday evening.

Extended Forecast

Issued 03:00 AM ADT 18 August 2026
Thursday Wind variable 10 to 15 knots.
Friday Wind southwest 15 knots diminishing to light.
Saturday Wind light.

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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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buoy Buoy
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 17 August 2026

Iceberg Limit

Iceberg limit at 0000 UTC 18 Aug estimated from Newfoundland near
4915N 5330W to 4940N 5320W to 5030N 5330W to 6000N 5600W to 6020N
5200W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 18 August 2026 Today Tonight and Wednesday At 10:00 a.m. ADT today trough located from Anticosti Island to
Browns Bank.
By 8:00 p.m. ADT tonight trough located from Labrador to Georges
Bank.

At 3:30 p.m. ADT Wednesday trough located from Anticosti Island
to East Scotian Slope.

Atlantic - Maritimes Area

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Marine Weather for Canada

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