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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NST 14 November 2025

Today Tonight and Saturday.

Storm warning in effect.

Wind southwest 25 to 35 knots diminishing to variable 15 to 20 early this morning then increasing to south 35 to 45 near noon. Wind increasing to west 45 to 55 this afternoon except west 25 over southern sections. Wind diminishing to west 25 to 35 this evening except west 15 to 20 over southern sections. Wind diminishing to west 15 to 20 overnight and to variable 10 to 15 Saturday afternoon.

Rain beginning this morning with a risk of thunderstorms changing to showers near midnight and ending near noon Saturday.

Waves

Issued 06:00 PM NST 13 November 2025
Tonight and Friday. Seas 3 to 5 metres building to 5 to 7 near midnight then subsiding to 3 to 5 early Friday morning.

Extended Forecast

Issued 03:00 AM NST 14 November 2025
Sunday Wind variable 10 to 15 knots increasing to south 15 to 20 in the afternoon and to southeast 25 to 35 late in the day.
Monday Wind south 35 to 45 knots diminishing to southwest 25.
Tuesday Wind southwest 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 13 November 2025

Iceberg Limit

Iceberg limit at 0000 UTC 14 Nov estimated from Newfoundland near
5026N 5623W to 5000N 4900W to 5045N 4730W to 5200N 4800W to 5945N
5730W to 6055N 5315W to 5950N 4955W then eastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 1:30 PM EST 13 November 2025

Iceberg Limit

Iceberg limit at 0000 UTC 14 Nov estimated from Newfoundland near
5026N 5623W to 5000N 4900W to 5045N 4730W to 5200N 4800W to 5945N
5730W to 6055N 5315W to 5950N 4955W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Storm warning in effect

Southwestern Grand Banks

Issued 03:00 AM NST 14 November 2025

'Storm' force winds of 48 to 63 knots 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 3:00 AM NST 14 November 2025 Today Tonight and Saturday At 3:00 a.m. NST today low 990 mb located over southern
Newfoundland.
By 8:00 p.m. NST tonight dissipating low 993 mb located over
western Newfoundland.

At 3:00 a.m. NST today intensifying low 1000 mb located southwest
of Laurentian Fan.
By 3:00 a.m. NST Saturday low 981 mb located over the Northeast
Coast of Newfoundland.

Marine Weather Statement

Issued 3:17 AM NST 14 November 2025 A low pressure system over Southern Newfoundland will drift
northwestward today before dissipating over Western Newfoundland this
evening. Strong to gale force southeast to northeasterlies can be
expected ahead of the low, with strong to gale force southwesterlies
in its wake.

A second low will approach from the south this afternoon and move to
lie over Northeastern Newfoundland tonight. Gale force
southeasterlies will spread across southern and eastern waters ahead
of the low on Friday. Winds will shift to gale to storm force
westerlies as it passes.

Marine interests are advised that a storm warning is in effect for
Southwestern Grand Banks. Gale warnings are in effect for all
remaining waters except Southwest Coast.

Atlantic - Maritimes Area

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