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Southeastern Grand Banks

Forecast

Marine Forecast

Issued 10:00 AM NDT 05 October 2026

Today Tonight and Tuesday.

Gale warning in effect.

Wind southeast 15 to 20 knots increasing to southeast 25 this afternoon except southeast 35 over eastern sections overnight and Tuesday morning. Wind becoming south 25 to 35 Tuesday morning then diminishing to west 20 Tuesday afternoon.

Showers and fog patches tonight and Tuesday.

Waves

Issued 06:00 AM NDT 05 October 2026
Today Tonight and Tuesday. Seas 1 to 2 metres building to 2 to 3 this evening.

Extended Forecast

Issued 03:00 AM NDT 05 October 2026
Wednesday Wind west 20 knots.
Thursday Wind variable 10 to 15 knots increasing to south 15 to 20.
Friday Wind south 15 to 20 knots.

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Weather Conditions

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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 4 October 2026

Iceberg Limit

Iceberg limit at 0000 UTC 5 Oct estimated from Newfoundland near
5032N 5618W to 5000N 5445W to 5030N 5330W to 5415N 5200W to 5500N
5200W to 6000N 5800W to 6110N 5535W to 5900N 5045W to 5925N 4725W
then eastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 4 October 2026

Iceberg Limit

Iceberg limit at 0000 UTC 5 Oct estimated from Newfoundland near
5032N 5618W to 5000N 5445W to 5030N 5330W to 5415N 5200W to 5500N
5200W to 6000N 5800W to 6110N 5535W to 5900N 5045W to 5925N 4725W
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 05 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 5 October 2026 Today Tonight and Tuesday At 10:00 a.m. NDT today deepening low 996 mb located over Quebec.
By 10:00 a.m. NDT Tuesday low 980 mb located near Anticosti Island.

At 10:00 a.m. NDT today ridge located on a line east-west over
the northern Grand Banks.
By 3:30 p.m. NDT today departing ridge located east of the Marine
District.

Marine Weather Statement

Issued 9:45 AM NDT 5 October 2026 A low pressure system will approach from the west today and track
over the Quebec Lower North Shore late in the day on Tuesday. Strong
to gale force southeasterlies to southerlies will develop ahead of
the low today and shift to strong to gale force southwesterlies south
of the low on Tuesday.

Marine interests are advised that gale warnings are in effect for all
waters.

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