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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 10:00 AM NDT 19 July 2026

Today Tonight and Monday.

Wind southeast 10 to 15 knots increasing to southeast 15 to 20 this afternoon then veering to south 25 this evening. Wind veering to southwest 15 to 20 late overnight then diminishing to southwest 10 to 15 Monday afternoon.

Showers tonight and Monday with a risk of thunderstorms. Fog banks.

Waves

Issued 06:00 AM NDT 19 July 2026
Today Tonight and Monday. Seas 1 to 2 metres building to 2 to 3 near midnight then subsiding to 1 to 2 Monday afternoon.

Extended Forecast

Issued 03:00 AM NDT 19 July 2026
Tuesday Wind light.
Wednesday Wind variable 10 to 15 knots increasing to south 15 to 20.
Thursday Wind southwest 20 knots.

Ice Forecast

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

Southwestern Grand Banks

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

Ice Edge

Ice edge estimated from 6136N 6335W to 6201N 6252W then
northeastward. Sea ice northwest of the ice edge.

Ice Coverage

Ice free.

Ice Forecasts

Tail of the Grand Banks

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

Ice Edge

Ice edge estimated from 6136N 6335W to 6201N 6252W then
northeastward. Sea ice northwest of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

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.

Iceberg Bulletin

Tail of the Grand Banks

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

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM NDT 19 July 2026 Today Tonight and Monday At 10:00 a.m. NDT today deepening low 990 mb located over the
Gaspe Peninsula.
By 10:00 a.m. NDT Monday low 990 mb located near the Quebec Lower
North Shore.

Marine Weather Statement

Issued 9:51 AM NDT 19 July 2026 A low pressure system over the Gaspé Peninsula will deepen slightly
as it tracks slowly eastwards to lie near Anticosti Island by this
evening. Strong to gale force south to southeasterlies are expected
to spread over the district ahead of the low today. On Monday winds
will shift to strong to gale force southwesterlies over western
waters.

Marine interests are advised that gale warnings are in effect for
Strait of Belle Isle, Gulf waters, and Southwest Coast.

Atlantic - Maritimes Area

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Marine Weather for Canada

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