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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 08:00 PM NST 06 November 2025

Tonight and Friday.

Hurricane force wind warning in effect.

Wind west 55 to 65 knots with gusts to 75 diminishing to west 45 late overnight then veering to northwest 35 Friday evening.

Rain changing to showers near midnight. Risk of thunderstorms tonight.

Waves

Issued 06:00 PM NST 06 November 2025

Southwestern Grand Banks - northern half

Tonight and Friday. Seas 4 to 6 metres building to 7 to 10 this evening then subsiding to 5 to 7 Friday morning.

Southwestern Grand Banks - southern half

Tonight and Friday. Seas 7 to 9 metres building to 9 to 12 this evening then subsiding to 6 to 8 early Friday morning.

Extended Forecast

Issued 03:30 PM NST 06 November 2025
Saturday Wind west 25 to 35 knots diminishing to southwest 15 to 20 in the afternoon then increasing to southwest 25 late in the day.
Sunday Wind southwest 25 to 35 knots diminishing to northwest 15 to 20.
Monday Wind southeast 15 to 20 knots.

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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 6 November 2025

Iceberg Limit

Iceberg limit at 0000 UTC 7 Nov estimated from Newfoundland near
5026N 5623W to 4930N 5000W to 5000N 4815W to 5245N 4830W to 5945N
5645W to 6050N 5200W to 5845N 4645W then eastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 1:30 PM EST 6 November 2025

Iceberg Limit

Iceberg limit at 0000 UTC 7 Nov estimated from Newfoundland near
5026N 5623W to 4930N 5000W to 5000N 4815W to 5245N 4830W to 5945N
5645W to 6050N 5200W to 5845N 4645W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Hurricane force wind warning in effect

Southwestern Grand Banks

Issued 8:00 PM NST 06 November 2025

'Hurricane' force winds of 64 knots or above are occurring or expected to occur in this marine area. 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 8:00 PM NST 6 November 2025 Tonight and Friday At 8:00 p.m. NST tonight deepening low 967 mb located over the
eastern Avalon Peninsula.
By 3:30 p.m. NST Friday quasi-stationary low 956 mb located
northeast of Funk Island Bank.

Marine Weather Statement

Issued 8:02 PM NST 6 November 2025 An intense low pressure system over the Eastern Avalon Peninsula will
continue to deepen as it tracks northeastward across the Northern
Grand Banks tonight. The low will then move to lie northeast of Funk
Island Bank by Friday afternoon where it will stall. Strong to gale
force southeasterlies to northeasterlies ahead of the low will shift
to storm to hurricane force northwesterlies behind the low.
Winds will diminish to strong to gale force westerlies to
northwesterlies as the low pulls away on Friday.

Large waves and pounding surf will produce higher than normal water
levels along coastal areas of South Coast, East Coast, and Northeast
Coast through Friday, especially near high tides.

Marine interests are advised that hurricane force wind warnings are
in effect for the Grand Banks. Storm warnings are in effect for South
Coast and East Coast - Cape St. Francis and south. Gale warnings are
in effect for all remaining waters.

Marine interests are also advised that a high water level warning is
in effect for South Coast.

Atlantic - Maritimes Area

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Marine Weather for Canada

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