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Southeastern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 13 October 2026

Today Tonight and Wednesday.

Gale warning in effect.

Wind north 35 to 45 knots except southwest 35 to 45 over southeastern sections early this morning. Wind becoming north 35 this morning then diminishing to north 20 this afternoon. Wind diminishing to north 10 to 15 this evening then becoming light overnight. Wind becoming southeast 15 Wednesday evening.

Rain and occasional fog patches ending this morning.

Waves

Issued 06:00 AM NDT 13 October 2026
Today Tonight and Wednesday. Seas 4 to 6 metres subsiding to 3 to 4 late overnight.

Extended Forecast

Issued 03:00 AM NDT 13 October 2026
Thursday Wind southeast 25 knots increasing to southeast 35 in the afternoon.
Friday Wind northwest 25 to 35 knots diminishing to west 15 to 20.
Saturday Wind south 25 to 35 knots.

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

Southeastern Grand Banks

Issued 10:00 AM EDT 7 August 2026 Forecasts have ended for the season.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 7 August 2026 Forecasts have ended for the season.
 

Iceberg Bulletin

Southeastern Grand Banks

Issued 2:30 PM EDT 12 October 2026

Iceberg Limit

Iceberg limit at 0000 UTC 13 Oct estimated from Newfoundland near
4925N 5400W to 5045N 5230W to 5230N 5045W to 5400N 5030W to 6000N
5800W to 6050N 5615W to 5945N 5340W to 6000N 5000W then eastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 12 October 2026

Iceberg Limit

Iceberg limit at 0000 UTC 13 Oct estimated from Newfoundland near
4925N 5400W to 5045N 5230W to 5230N 5045W to 5400N 5030W to 6000N
5800W to 6050N 5615W to 5945N 5340W to 6000N 5000W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southeastern Grand Banks

Issued 03:00 AM NDT 13 October 2026

'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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM NDT 13 October 2026 Today Tonight and Wednesday At 3:00 a.m. NDT today merging low 989 mb located northeast of
the Marine District.
At 3:00 a.m. NDT today merging low 967 mb located southeast of
Greenland.
By 8:00 p.m. NDT tonight quasi-stationary low 976 mb located
southeast of Greenland.

At 3:00 a.m. NDT today deepening low 985 mb located over the
southeastern Grand Banks.
By 3:30 p.m. NDT today departing low 971 mb located east of the
Marine District.

At 10:00 a.m. NDT Wednesday approaching low 1006 mb located over
New England.

Marine Weather Statement

Issued 2:57 AM NDT 13 October 2026 A low pressure system northeast of the marine district will merge
with a nearly stationary low off of Greenland early this morning.
Strong to gale force northwesterlies will continue over northern
waters today in the wake of this system.

Another intensifying low pressure system over the Southeastern Grand
Banks will depart to the east today. Gale force southwesterlies are
expected just south of this low while gale force northerlies to
northwesterlies are expected in its wake.

Marine interests are advised that gale warnings are in effect for
East Coast - Cape St. Francis and south, Belle Isle Bank, and the
Grand Banks.

Atlantic - Maritimes Area

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Marine Weather for Canada

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