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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 08:28 AM NST 18 November 2025

Today Tonight and Wednesday.

Gale warning in effect.

Wind southwest 25 to 35 knots diminishing to southwest 15 to 20 this morning and to variable 10 to 15 Wednesday afternoon.

Showers ending Wednesday afternoon. Risk of thunderstorms today and this evening.

Waves

Issued 06:00 AM NST 18 November 2025

Southwestern Grand Banks - northern half

Today Tonight and Wednesday. Seas 4 to 6 metres subsiding to 3 to 4 this afternoon and to 2 to 3 Wednesday afternoon.

Southwestern Grand Banks - southern half

Today Tonight and Wednesday. Seas 5 to 7 metres subsiding to 3 to 5 this evening and to 2 to 3 Wednesday afternoon.

Extended Forecast

Issued 03:00 AM NST 18 November 2025
Thursday Wind variable 10 to 15 knots.
Friday Wind northeast 10 to 15 knots.
Saturday Wind east 10 to 15 knots veering to south 20.

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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 17 November 2025

Iceberg Limit

Iceberg limit at 0000 UTC 18 Nov estimated from Newfoundland near
5009N 5609W to 5015N 5030W to 5100N 4915W to 5445N 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 17 November 2025

Iceberg Limit

Iceberg limit at 0000 UTC 18 Nov estimated from Newfoundland near
5009N 5609W to 5015N 5030W to 5100N 4915W to 5445N 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 08:28 AM NST 18 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 3:00 AM NST 18 November 2025 Today Tonight and Wednesday At 3:00 a.m. NST today low 974 mb located near the Torngat
Mountains.
By 10:00 a.m. NST today quasi-stationary low 976 mb located over
northern Labrador.

Marine Weather Statement

Issued 2:50 AM NST 18 November 2025 An intense low pressure system over the Mid Labrador Coast will move
to lie over Northern Labrador this morning where it will linger for
the next couple of days as it slowly weakens. Strong to gale force
southeasterlies will shift to strong to gale force south to
southwesterlies in its wake.

Marine interests are advised that gale warnings are in effect for all
waters except the East Coast.

Atlantic - Maritimes Area

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Marine Weather for Canada

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