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Southwestern Shore

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 13 May 2026

Today Tonight and Thursday.

Strong wind warning in effect.

Wind westerly 10 to 15 knots increasing to southwest 20 this afternoon then diminishing to southerly 10 to 15 near midnight. Wind increasing to southeast 15 to 20 near noon Thursday then backing to east 20 to 25 Thursday evening.

Showers Thursday evening.

Waves

Issued 05:00 AM ADT 13 May 2026
Today Tonight and Thursday. Seas 1 metre or less building to 1 to 2 early this evening then subsiding to 1 or less near midnight. Seas building to 1 to 2 near noon Thursday.

Extended Forecast

Issued 03:00 AM ADT 13 May 2026
Friday Wind northeast 25 to 30 knots diminishing to east 15 in the afternoon then becoming variable 10 to 15 late in the day.
Saturday Wind westerly 15 to 20 knots backing to southwest 20 to 25.
Sunday Wind southwest 20 knots.

Ice Forecast

Issued 10:00 AM EDT 13 May 2026 Today Tonight and Thursday 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 13 May 2026 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Quebec near 5012N 6046W to 4956N 6025W 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 3:29 PM EDT 12 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 13 May estimated from Newfoundland near
4655N 5545W to 4125N 5045W to 4135N 4645W to 4735N 4420W to 5310N
4635W to 5550N 5010W to 5900N 5500W to 6000N 5300W to 5840N 4940W to
5755N 4530W then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Southwestern Shore

Issued 10:00 AM ADT 13 May 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 13 May 2026 Today Tonight and Thursday At 10:00 a.m. ADT today departing low 990 mb located north of
Newfoundland.

At 3:00 a.m. ADT Thursday deepening low 1006 mb located southwest
of the Marine District.
By 8:00 p.m. ADT Thursday low 1000 mb located near Georges Bank.

At 10:00 a.m. ADT today ridge located over the western Marine
District.
By 3:00 a.m. ADT Thursday ridge located from Anticosti Island to
Laurentian Fan.

Marine Weather Statement

Issued 9:41 AM ADT 13 May 2026 A low pressure system North Newfoundland will continue tracking
northeastward today departing the region. Strong to gale force
westerly winds behind the system will diminish as it moves further
away from the region.

A second low pressure system will approach the marine district from
the southwest on Thursday. Increasing easterly winds throughout the
day will reach strong to gale force across southern waters north of
the low.

Marine interests are advised that gale warnings are in effect for
Georges Bank, LaHave Bank, West Scotian Slope, East Scotian Slope and
Banquereau - northeastern half.

Atlantic - Maritimes Area

Another Region

Marine Weather for Canada

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