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Cabot Strait - northern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 15 May 2026

Today Tonight and Saturday.

Gale warning in effect.

Wind southeast 15 knots with gusts to 35 in the Wreckhouse area. Wind becoming easterly 35 early this morning with gusts to 45 in the Wreckhouse area. Wind diminishing to northeast 30 this afternoon then backing to northwest 30 overnight. Wind diminishing to southwest 20 Saturday evening.

Periods of rain today tonight and Saturday morning. Fog patches dissipating near noon Saturday.

Waves

Issued 05:00 PM ADT 14 May 2026
Tonight and Friday. Seas 1 to 2 metres building to 2 to 3 late overnight and to 3 to 4 early Friday morning.

Extended Forecast

Issued 03:00 AM ADT 15 May 2026
Sunday Wind southwest 25 knots veering to northwest 20 late in the day.
Monday Wind northwest 30 knots.
Tuesday Wind northwest 30 knots diminishing to northwest 20.

Ice Forecast

Issued 10:00 AM EDT 14 May 2026 Today Tonight and Friday 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 14 May 2026 Today Tonight and Friday

Ice Edge

Ice edge estimated from Quebec near 5108N 5835W to 5104N 5812W to
5116N 5738W to Quebec near 5125N 5736W. Sea ice north of the ice
edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 3:02 PM EDT 14 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 15 May estimated from Newfoundland near
4700N 5520W to 4140N 5035W to 4155N 4750W to 4740N 4405W 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)

Gale warning in effect

Cabot Strait - northern half

Issued 03:00 AM ADT 15 May 2026

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 3:00 AM ADT 15 May 2026 Today Tonight and Saturday At 3:00 a.m. ADT today low 996 mb located west of Sable Island.
By 10:00 a.m. ADT today low 998 mb located south of Cape Breton
Island.

At 8:00 p.m. ADT tonight quasi-stationary low 1000 mb located east
of Cape Breton Island.

Marine Weather Statement

Issued 2:48 AM ADT 15 May 2026 A low pressure system west of Sable Island will track northeastward
today to lie east of Cape Breton Island by this evening. Strong to
gale force easterly winds north of the low shift to strong to gale
force southerlies to its south.

Marine interests are advised that gale warnings are in effect for
southwestern shore, LaHave Bank, eastern shore, Sable, East Scotian
Slope - southwestern half, Fourchu, Banquereau, Laurentian Fan, Cabot
Strait and Gulf-Magdalen - southeastern half.

Atlantic - Maritimes Area

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Marine Weather for Canada

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