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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:30 PM NST 16 November 2025

Tonight and Monday.

Gale warning in effect.

Wind variable 10 to 15 knots increasing to southeast 25 this evening and to southeast 35 to 45 late overnight. Wind veering to southwest 25 to 35 near noon Monday.

Rain beginning overnight with a risk of thunderstorms changing to showers Monday afternoon. Fog patches forming near noon Monday.

Waves

Issued 06:00 PM NST 16 November 2025

Southwestern Grand Banks - northern half

Tonight and Monday. Seas 2 to 3 metres building to 4 to 6 late overnight.

Southwestern Grand Banks - southern half

Tonight and Monday. Seas 2 to 3 metres building to 3 to 4 this evening and to 5 to 7 late overnight.

Extended Forecast

Issued 03:30 PM NST 16 November 2025
Tuesday Wind southwest 25 to 35 knots becoming southwest 25 in the morning then diminishing to southwest 15 to 20 in the afternoon.
Wednesday Wind southwest 15 to 20 knots veering to west 10 to 15.
Thursday Wind light.

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Map of Atlantic - Maritimes marine weather areas Summerside Stephenville Airport North Cape Burgeo Pointe-des-Monts Port aux Basques Sagona Island St. Lawrence Tracadie Winterland Branch Hill Wreckhouse Halifax Harbour - 44258 LaHave Bank - 44150 Sept-Îles Airport Banquereau - 44139 Longue-Pointe-de-Mingan Île Rouge Île aux Perroquets Havre-Saint-Pierre Airport East Scotia Slope - 44137 Baie-Comeau Airport Mont-Joli Airport Rivière-la-Madeleine Saint John Airport Gaspé Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Heath Point Miscou Island Kouchibouguac Îles de la Madeleine Airport Kouchibouguac La Pocatière Grand Manan St. Stephen Fundy Park (Alma) New Carlisle Miramichi Pointe-au-Père Charlo Port Menier Bathurst Airport Île Bicquette Bas Caraquet Cap-Chat East Chedabucto Bay – 44488 West Chedabucto Bay – 44489 Lunenburg Charlottetown Airport Yarmouth Airport Pointe-Noire Western Head J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Nappan AAFC McNabs Island East Point Kentville AAFC Ingonish Beach Hart Island CFB Greenwood Grand Étang Eskasoni (First Nations) Debert Caribou Point Brier Island Cap-d'Espoir Beaver Island Baccaro Point
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Ice Conditions

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EDT 23 July 2025 Forecasts have ended for the season.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 23 July 2025 Forecasts have ended for the season.
 

Iceberg Bulletin

Southwestern Grand Banks

Issued 1:30 PM EST 16 November 2025

Iceberg Limit

Iceberg limit at 0000 UTC 17 Nov estimated from Newfoundland near
5009N 5609W to 5030N 5030W to 5115N 4930W to 5430N 5030W to 5945N
5730W to 6100N 5310W to 6000N 4940W then eastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 1:30 PM EST 16 November 2025

Iceberg Limit

Iceberg limit at 0000 UTC 17 Nov estimated from Newfoundland near
5009N 5609W to 5030N 5030W to 5115N 4930W to 5430N 5030W to 5945N
5730W to 6100N 5310W to 6000N 4940W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southwestern Grand Banks

Issued 3:30 PM NST 16 November 2025

'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 3:30 PM NST 16 November 2025 Tonight and Monday At 3:30 p.m. NST today dissipating low 988 mb located over eastern
Quebec.

At 3:30 p.m. NST today low 978 mb located over the Gulf of Maine.
By 3:30 p.m. NST Monday low 978 mb located over the Strait of
Belle Isle.

Marine Weather Statement

Issued 3:25 PM NST 16 November 2025 A low pressure system over the Gulf of Maine will continue to track
northwestward through the Maritimes tonight and move to lie over
Central Labrador by Monday evening. Strong to gale force east to
southeasterlies will develop ahead of the low and then shift to
strong to gale force southwesterlies in its wake.

Marine interests are advised that gale warnings are in effect for all
waters.

Marine interests are also advised that higher than normal water
levels are possible during high tide Monday morning along portions of
the Southwest Coast from cape ray to la poile.

Atlantic - Maritimes Area

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Marine Weather for Canada

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