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Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 21 April 2026

Today Tonight and Wednesday.

Wind northwest 15 to 20 knots veering to northeast 15 to 20 this evening then backing to north 25 overnight. Wind backing to northwest 20 Wednesday evening.

Showers ending near noon. Snow or rain tonight and Wednesday. Visibility 1 mile or less in precipitation.

Temperatures plus 3 falling to zero overnight.

Waves

Issued 06:00 PM NDT 20 April 2026
Tonight and Tuesday. Seas 1 to 2 metres.

Extended Forecast

Issued 03:00 AM NDT 21 April 2026
Thursday Wind west 20 knots.
Friday Wind variable 10 to 15 knots increasing to north 25 to 35.
Saturday Wind northwest 25 knots.

Ice Forecast

Issued 10:00 AM EDT 20 April 2026 Today Tonight and Tuesday Bergy water. 

[ 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 Airport 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 20 April 2026 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Newfoundland near 4745N 5243W to 4641N 4618W
to 5530N 5230W to 5700N 5600W to 6045N 5800W to 6200N 5700W then
northeastward. Sea ice north then west of the ice edge.

Ice Coverage

Bergy water.

 

Iceberg Bulletin

Issued 2:30 PM EDT 20 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 21 Apr estimated from Newfoundland near
4655N 5400W to 4415N 5210W to 4340N 4630W to 4630N 4415W to 5000N
4425W to 5305N 4755W to 5900N 5500W to 6015N 5245W to 5830N 5000W
then eastward.

Iceberg Count

No confirmed icebergs except less than 10 icebergs northeast of the
iceberg limit.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM NDT 21 April 2026 Today Tonight and Wednesday At 3:00 a.m. NDT today trough located on a line north-south over
the East Coast of Newfoundland.
By 3:00 a.m. NDT Wednesday trough located on a line north-south
over the Grand Banks.

Marine Weather Statement

Issued 2:53 AM NDT 21 April 2026 A trough of low pressure will remain nearly stationary just east of
Newfoundland throughout the forecast period. The trough is expected
to intensify overnight tonight into Wednesday. As a result, strong to
gale force northerlies will develop just west of the trough tonight
and Wednesday.

Marine interests are advised that gale warnings are in effect for
Strait of Belle Isle - eastern half and Southwestern Grand Banks.

Atlantic - Maritimes Area

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Marine Weather for Canada

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