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Southwestern Shore

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 12 May 2026

Today Tonight and Wednesday.

Wind northerly 15 to 20 knots backing to westerly 15 to 20 this afternoon then diminishing to light Wednesday morning. Wind increasing to southwest 15 to 20 Wednesday afternoon.

Showers ending this afternoon.

Waves

Issued 05:00 AM ADT 12 May 2026
Today Tonight and Wednesday. Seas 1 to 2 metres subsiding to 1 or less late overnight then building to 1 to 2 Wednesday afternoon.

Extended Forecast

Issued 03:00 AM ADT 12 May 2026
Thursday Wind south 15 knots increasing to easterly 25 in the afternoon.
Friday Wind northeast 25 to 30 knots diminishing to light late in the day.
Saturday Wind light increasing to westerly 15 to 20 knots.

Ice Forecast

Issued 10:00 AM EDT 11 May 2026 Today Tonight and Tuesday 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 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 11 May 2026 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Quebec near 5016N 6251W to 4956N 6207W to
4956N 5959W to 5116N 5738W to Quebec near 5125N 5736W. Sea ice north
of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 2:49 PM EDT 11 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 12 May estimated from Newfoundland near
4655N 5545W to 4125N 5045W to 4135N 4645W to 4735N 4420W to 5310N
4705W to 5550N 5010W to 5900N 5500W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 12 May 2026 Today Tonight and Wednesday At 10:00 a.m. ADT today deepening low 1004 mb located near Sable
Island.
By 3:30 p.m. ADT Wednesday departing low 988 mb located north
of Newfoundland.

At 8:00 p.m. ADT tonight ridge located west of the Marine District.
By 8:00 p.m. ADT Wednesday ridge located from the Gaspe Peninsula
to West Scotian Slope.

Marine Weather Statement

Issued 9:39 AM ADT 12 May 2026 A developing low pressure system near Sable Island will move
northeast to lie north of Newfoundland by tomorrow afternoon. Strong
to gale force west to northwesterlies will develop later this evening
in the wake of the low.

Marine interests are advised that gale warnings are in effect for
Banquereau, Laurentian Fan - eastern half, and Cabot Strait.

Atlantic - Maritimes Area

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Marine Weather for Canada

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