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East Coast - Cape St. Francis and south

Warnings

Forecast

Marine Forecast

Issued 10:00 AM NDT 18 April 2026

Today Tonight and Sunday.

Wind northwest 25 knots veering to north 15 to 20 near noon then diminishing to light early this evening. Wind increasing to south 10 to 15 late overnight and to south 20 near noon Sunday.

Waves

Issued 06:00 AM NDT 18 April 2026
Today Tonight and Sunday. Seas 2 to 3 metres subsiding to 1 to 2 this evening.

Extended Forecast

Issued 03:00 AM NDT 18 April 2026
Monday Wind south 25 knots.
Tuesday Wind north 25 knots.
Wednesday Wind variable 15 to 20 knots.

Ice Forecast

Issued 10:00 AM EDT 18 April 2026 Today Tonight and Sunday 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 18 April 2026 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Newfoundland near 4745N 5243W to 4530N 4721W
to 4639N 4639W 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 2:40 PM EDT 17 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 18 Apr estimated from Newfoundland near
4655N 5400W to 4500N 5200W to 4440N 4710W to 4630N 4415W to 5000N
4425W to 5305N 4755W to 5900N 5500W to 6015N 5245W to 5830N 5000W
then eastward.

Iceberg Count

Less than 10 icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM NDT 18 April 2026 Today Tonight and Sunday At 10:00 a.m. NDT today trough located east of the Marine District.
By 3:30 p.m. NDT today departing trough located east of the Marine
District.

At 3:00 a.m. NDT Sunday approaching trough located over southern
Quebec.

At 10:00 a.m. NDT today ridge located on a line north-south over
the Gulf of St. Lawrence.
By 10:00 a.m. NDT Sunday ridge located on a line north-south over
the northern Grand Banks.

Marine Weather Statement

Issued 9:57 AM NDT 18 April 2026 A trough of low pressure east of the marine district will continue to
move eastward today. Strong to gale force northerlies to
northwesterlies over eastern waters behind the trough will diminish
today as the trough departs and a ridge of high pressure builds in
from the west.

On Sunday, the ridge will lie east of Newfoundland and a trough of
low pressure will slowly move across the St. Lawrence River Valley.
Between these two features, strong to gale force southerlies are
expected over western waters.

Marine interests are advised that gale warnings are in effect for
Gulf - Port au Port, Belle Isle Bank, Funk Island Bank, and Northern
Grand Banks.

Marine interests are advised that freezing spray warnings are in
effect for Strait of Belle Isle - eastern half, Northeast Coast,
Belle Isle Bank, and Funk Island Bank.

Atlantic - Maritimes Area

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Marine Weather for Canada

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