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Southeastern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:30 PM NDT 11 April 2026

Tonight and Sunday.

Gale warning in effect.

Wind southeast 20 knots backing to northeast 20 this evening except south 35 over southeastern sections. Wind becoming west 25 late overnight then increasing to west 35 Sunday afternoon.

Rain ending overnight. Showers or flurries Sunday late in the day. Fog banks dissipating Sunday morning.

Waves

Issued 06:00 AM NDT 11 April 2026
Today Tonight and Sunday. Seas 1 to 2 metres building to 2 to 3 this evening except 3 to 4 over southern sections. Seas building to 3 to 5 Sunday morning.

Extended Forecast

Issued 03:30 PM NDT 11 April 2026
Monday Wind northwest 35 knots diminishing to west 25 late in the day.
Tuesday Wind southwest 20 knots increasing to southwest 25 to 35.
Wednesday Wind variable 10 to 15 knots.

Ice Forecast

Issued 10:00 AM EDT 11 April 2026 Today Tonight and Sunday Bergy water.  

[ Canadian Ice Service ]

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Map of Atlantic - Maritimes marine weather areas East Scotia Slope - 44137 Cap-Chat Burgeo Île Bicquette New Carlisle Îles de la Madeleine Airport Port Menier Summerside North Cape Pointe-au-Père Mont-Joli Airport La Pocatière Wreckhouse Banquereau - 44139 Port aux Basques Sagona Island Gaspé Airport LaHave Bank - 44150 Halifax Harbour - 44258 St. Lawrence Stephenville Airport Western Head Winterland Branch Hill Île aux Perroquets Beaver Island Baccaro Point St. Stephen Pointe-des-Monts Saint John Airport Sept-Îles Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Longue-Pointe-de-Mingan Miscou Island Île Rouge Kouchibouguac Pointe-Noire Kouchibouguac Havre-Saint-Pierre Airport Grand Manan Fundy Park (Alma) Miramichi Charlo West Chedabucto Bay – 44489 Bathurst Airport Baie-Comeau Airport Bas Caraquet East Chedabucto Bay – 44488 Nappan AAFC East Point Charlottetown Airport Yarmouth Airport Cap-d'Espoir Tracadie J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Rivière-la-Madeleine 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 11 April 2026 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Newfoundland near 4717N 5246W to 4715N 4800W
to 4815N 4700W to 5200N 4900W to 5530N 5230W to 5700N 5600W to 6045N
5800W to 6200N 5700W then northeastward. Sea ice north then west of
the ice edge.

Ice Coverage

Bergy water.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 11 April 2026 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Newfoundland near 4717N 5246W to 4715N 4800W
to 4815N 4700W to 5200N 4900W to 5530N 5230W to 5700N 5600W to 6045N
5800W to 6200N 5700W then northeastward. Sea ice north then west of
the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southeastern Grand Banks

Issued 2:30 PM EDT 11 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 12 Apr estimated from Newfoundland near
4655N 5400W to 4510N 5245W to 4505N 4650W to 4620N 4255W to 5000N
4425W to 5305N 4755W to 5900N 5600W to 6015N 5245W to 5735N 4735W
then eastward.

Iceberg Count

No confirmed icebergs except less than 10 icebergs north of the
iceberg limit.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 11 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 12 Apr estimated from Newfoundland near
4655N 5400W to 4510N 5245W to 4505N 4650W to 4620N 4255W to 5000N
4425W to 5305N 4755W to 5900N 5600W to 6015N 5245W to 5735N 4735W
then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southeastern Grand Banks

Issued 3:30 PM NDT 11 April 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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM NDT 11 April 2026 Tonight and Sunday At 3:30 p.m. NDT today deepening low 1008 mb located over the Gulf
of St. Lawrence.
By 3:30 p.m. NDT Sunday merging low 989 mb located east of Funk
Island Bank.

At 3:30 p.m. NDT today deepening low 1002 mb located south of the
Grand Banks.
By 3:30 p.m. NDT Sunday merging low 989 mb located east of Funk
Island Bank.

At 3:30 p.m. NDT today ridge located on a line east-west over Funk
Island Bank.
By 8:00 p.m. NDT tonight dissipating ridge located on a line
east-west over Belle Isle Bank.

Marine Weather Statement

Issued 3:27 PM NDT 11 April 2026 A deepening low pressure system over the Gulf of St. Lawrence will
track eastward across Newfoundland tonight and Sunday morning.
Meanwhile, a second deepening low pressure system will approach from
the south and track across the Grand Banks. By Sunday afternoon, both
systems are expected to merge into an intense low pressure system
that will remain nearly stationary just east of Funk Island Bank.

Gale force northeasterlies to northwesterlies will develop in the
vicinity of the first low over the Gulf waters this evening, while
gale force southerlies to westerlies develop over the Grand Banks
with the second low. As the lows merge on Sunday, gale force
southwesterlies to northwesterlies will spread to all remaining
waters.

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

Atlantic - Maritimes Area

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Marine Weather for Canada

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