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Southeastern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 10:00 AM NDT 17 October 2026

Today Tonight and Sunday.

Gale warning in effect.

Wind southwest 25 knots except southwest 35 over northwestern sections. Wind increasing to southwest 35 late overnight except northwest 15 to 20 over northwestern sections. Wind diminishing to northwest 15 to 20 Sunday morning then increasing to northwest 25 near noon Sunday.

Showers this afternoon tonight and Sunday. Fog patches forming this evening and dissipating Sunday morning.

Waves

Issued 06:00 AM NDT 17 October 2026
Today Tonight and Sunday. Seas 3 to 5 metres subsiding to 2 to 3 Sunday afternoon.

Extended Forecast

Issued 03:00 AM NDT 17 October 2026
Monday Wind northwest 25 knots diminishing to northeast 15 in the morning then becoming variable 10 to 15 in the afternoon.
Tuesday Wind south 10 to 15 knots increasing to south 25.
Wednesday Wind northeast 20 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 16 October 2026

Iceberg Limit

Iceberg limit at 0000 UTC 17 Oct estimated from Newfoundland near
4837N 5306W to 5130N 4945W to 5245N 4945W to 6000N 5800W to 6125N
5445W to 5845N 4530W then eastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 16 October 2026

Iceberg Limit

Iceberg limit at 0000 UTC 17 Oct estimated from Newfoundland near
4837N 5306W to 5130N 4945W to 5245N 4945W to 6000N 5800W to 6125N
5445W to 5845N 4530W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southeastern Grand Banks

Issued 10:00 AM NDT 17 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 10:00 AM NDT 17 October 2026 Today Tonight and Sunday At 10:00 a.m. NDT today deepening low 985 mb located over the
Quebec Lower North Shore.
By 3:00 a.m. NDT Sunday low 981 mb located south of Greenland.

At 8:00 p.m. NDT tonight trough located over northern Quebec.
By 8:00 p.m. NDT Sunday trough located over Funk Island Bank.

At 10:00 a.m. NDT today ridge located east of Funk Island Bank.
By 3:30 p.m. NDT today departing ridge located northeast of Belle
Isle Bank.

Marine Weather Statement

Issued 9:56 AM NDT 17 October 2026 A low pressure system over the Quebec Lower North Shore will quickly
track northeastward and move to lie south of Greenland by overnight
tonight. Strong to gale force southerlies to southeasterlies ahead of
the low will shift to gale to storm force westerlies to
southwesterlies as it passes through the district today.

A trough of low pressure will approach from the northwest tonight and
track southeastward across the district on Sunday. Strong to gale
force northwesterlies are expected to develop in the wake of the
trough.

Marine interests are advised that storm warnings are in effect for
South Coast, East Coast, Belle Isle Bank, and Funk Island Bank.
Gale warnings are in effect for all remaining waters.

Atlantic - Maritimes Area

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Marine Weather for Canada

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