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Warnings

Forecast

Marine Forecast

Issued 08:00 PM NDT 21 July 2026

Tonight and Wednesday.

Wind southwest 10 to 15 knots becoming light late this evening then increasing to southeast 15 Wednesday morning. Wind increasing to southeast 20 Wednesday afternoon then veering to southwest 20 Wednesday evening.

Showers Wednesday late in the day. Fog patches forming near midnight.

Waves

Issued 06:00 PM NDT 21 July 2026
Tonight and Wednesday. Seas 1 to 2 metres.

Extended Forecast

Issued 03:30 PM NDT 21 July 2026
Thursday Wind southwest 25 knots.
Friday Wind southwest 20 knots.
Saturday Wind southwest 10 to 15 knots.

Ice Forecast

Issued 10:00 AM EDT 21 July 2026 Today Tonight and Wednesday Ice free. 

[ Canadian Ice Service ]

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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 21 July 2026 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from 6136N 6335W to 6201N 6252W then
northeastward. Sea ice northwest of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 2:30 PM EDT 21 July 2026

Iceberg Limit

Iceberg limit at 0000 UTC 22 Jul estimated from Newfoundland near
4805N 5255W to 4740N 4600W to 4900N 4500W to 5745N 5400W to 5905N
5055W to 5800N 4600W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM NDT 21 July 2026 Tonight and Wednesday At 8:00 p.m. NDT tonight ridge located over the southern Grand
Banks.
By 3:30 p.m. NDT Wednesday ridge located east of Funk Island Bank.

At 8:00 p.m. NDT tonight trough located on a line east-west over
the East Coast of the U.S.
By 8:00 p.m. NDT Wednesday trough located on a line east-west over
the Gaspe Peninsula.

Marine Weather Statement

Issued 7:49 PM NDT 21 July 2026 A trough of low pressure over the Eastern Seaboard will begin moving
northward tonight and through the Gulf of St. Lawrence on Wednesday.
Strong to gale force southerlies will develop over most waters ahead
of the trough on Wednesday.

Marine interests are advised that a gale warning is in effect for
Gulf-Port au Port.

Atlantic - Maritimes Area

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Marine Weather for Canada

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