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East Coast - Cape St. Francis and south

Warnings

Forecast

Marine Forecast

Issued 03:30 PM NDT 21 April 2026

Tonight and Wednesday.

Wind north 25 knots diminishing to variable 15 to 20 near noon Wednesday then becoming west 20 Wednesday evening.

Showers changing to rain or freezing rain this evening.

Temperatures zero to plus 5.

Waves

Issued 06:00 AM NDT 21 April 2026
Today Tonight and Wednesday. Seas 1 to 2 metres building to 2 to 3 near noon.

Extended Forecast

Issued 03:30 PM NDT 21 April 2026
Thursday Wind west 15 to 20 knots diminishing to west 10 to 15 late in the day.
Friday Wind variable 10 to 15 knots increasing to north 25.
Saturday Wind north 25 to 35 knots.

Ice Forecast

Issued 10:00 AM EDT 21 April 2026 Today Tonight and Wednesday 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 21 April 2026 Today Tonight and Wednesday

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 21 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 22 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 5740N 4850W
then eastward.

Iceberg Count

10 to 25 icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM NDT 21 April 2026 Tonight and Wednesday At 3:30 p.m. NDT today trough located on a line north-south over
the northern Grand Banks.
By 3:30 p.m. NDT Wednesday trough located on a line north-south
over the East Coast of Newfoundland.

At 3:30 p.m. NDT today quasi-stationary ridge located on a line
north-south over the Gulf of St. Lawrence.

Marine Weather Statement

Issued 3:23 PM 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, Northeast Coast, Belle Isle
Bank, and Southwestern Grand Banks.

Atlantic - Maritimes Area

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Marine Weather for Canada

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