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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 18 June 2026

Today Tonight and Friday.

Wind west 10 to 15 knots diminishing to light this morning then increasing to southeast 10 to 15 Friday morning. Wind increasing to southeast 25 Friday afternoon.

Showers Friday late in the day. Fog banks.

Waves

Issued 06:07 PM NDT 17 June 2026
Tonight and Thursday. Seas 2 to 3 metres subsiding to 1 to 2 late overnight.

Extended Forecast

Issued 03:00 AM NDT 18 June 2026
Saturday Wind southwest 15 knots.
Sunday Wind southwest 25 knots diminishing to southwest 15.
Monday Wind variable 10 to 15 knots.

Ice Forecast

Issued 10:00 AM EDT 17 June 2026 Today Tonight and Thursday Bergy water.  

[ 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 17 June 2026 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Labrador near 5819N 6237W to 5758N 6019W to
5947N 5904W to 6051N 6059W to 6200N 6118W then northeastward. Sea
ice west of the ice edge.

Ice Coverage

Bergy water.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 17 June 2026 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Labrador near 5819N 6237W to 5758N 6019W to
5947N 5904W to 6051N 6059W to 6200N 6118W then northeastward. Sea
ice west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 3:42 PM EDT 17 June 2026

Iceberg Limit

Iceberg limit at 0000 UTC 18 Jun estimated from Newfoundland near
4705N 5530W to 4235N 5105W to 4445N 4310W to 4945N 4335W to 5315N
4800W to 5900N 5500W to 5825N 5130W to 5615N 4850W then eastward.

Iceberg Count

No confirmed icebergs except less than 10 icebergs northeast of the
iceberg limit.

Iceberg Bulletin

Tail of the Grand Banks

Issued 3:42 PM EDT 17 June 2026

Iceberg Limit

Iceberg limit at 0000 UTC 18 Jun estimated from Newfoundland near
4705N 5530W to 4235N 5105W to 4445N 4310W to 4945N 4335W to 5315N
4800W to 5900N 5500W to 5825N 5130W to 5615N 4850W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM NDT 18 June 2026 Today Tonight and Friday At 3:00 a.m. NDT today trough located on a line northwest-southeast
over the northern Grand Banks.
By 3:00 a.m. NDT Friday departing trough located east of the
Grand Banks.

At 3:00 a.m. NDT today ridge located over the Gulf of St. Lawrence.
By 3:00 a.m. NDT Friday ridge located on a line north-south over
the Grand Banks.

At 3:00 a.m. NDT Friday approaching low 990 mb located over
southern Quebec.

Atlantic - Maritimes Area

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Marine Weather for Canada

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