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Cabot Strait - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 19 July 2026

Today Tonight and Monday.

Gale warning in effect.

Wind south 25 knots increasing to southeasterly 40 near noon then diminishing to southwest 15 to 20 this evening. Wind southwest 15 to 20 Monday.

Rain today and this evening. Fog patches forming early this morning and dissipating near midnight.

Waves

Issued 05:00 AM ADT 19 July 2026
Today Tonight and Monday. Seas 1 to 2 metres building to 3 to 4 early this afternoon then subsiding to 2 to 3 this evening. Seas subsiding to 1 to 2 Monday evening.

Extended Forecast

Issued 03:00 AM ADT 19 July 2026
Tuesday Wind south 10 to 15 knots increasing to south 20 in the afternoon.
Wednesday Wind southeast 20 knots increasing to south 30.
Thursday Wind south 30 knots.

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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 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 19 May 2026 Forecasts have ended for the season.
 

Iceberg Bulletin

Issued 2:30 PM EDT 18 July 2026

Iceberg Limit

Iceberg limit at 0000 UTC 19 Jul estimated from Newfoundland near
4805N 5255W to 4645N 4700W to 4700N 4450W to 4830N 4430W to 5535N
5100W to 5745N 5400W to 5825N 4825W to 5720N 4510W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Cabot Strait - southern half

Issued 03:00 AM ADT 19 July 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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 19 July 2026 Today Tonight and Monday At 3:00 a.m. ADT today low 993 mb located over northwestern New
Brunswick.
By 8:00 p.m. ADT tonight low 986 mb located near Anticosti Island.

At 3:30 p.m. ADT Monday departing low 988 mb located over Labrador.

Marine Weather Statement

Issued 2:27 AM ADT 19 July 2026 A low pressure system over Northwestern New Brunswick will move
northeastward to lie over Labrador by Monday afternoon. Strong to
gale force south to southeasterlies will veer and diminish over
southern waters to moderate to strong westerlies Sunday night.
Over the Northern Gulf of St. Lawrence waters, winds will be strong
to near gale force westerlies Sunday night and Monday.

Marine interests are advised gale warnings are in effect for
Banquereau, Cabot Strait, Gulf-Magdalen and Anticosti - eastern half.

Atlantic - Maritimes Area

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Marine Weather for Canada

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