Language selection

Weather shortcuts

Southeastern Grand Banks

Forecast

Marine Forecast

Issued 03:00 AM NDT 12 March 2026

Today Tonight and Friday.

Gale warning in effect.

Wind variable 15 knots increasing to east 20 early this morning and to southwest 25 near noon. Wind increasing to southwest 35 Friday afternoon.

Showers and fog banks.

Waves

Issued 06:00 PM NDT 11 March 2026
Tonight and Thursday. Seas 1 to 2 metres building to 2 to 3 Thursday evening.

Extended Forecast

Issued 03:00 AM NDT 12 March 2026
Saturday Wind west 25 knots diminishing to variable 10 to 15 in the afternoon then increasing to southeast 15 to 20 late in the day.
Sunday Wind west 35 to 45 knots.
Monday Wind northwest 25 knots.

Ice Forecast

Issued 10:00 AM EDT 11 March 2026 Today Tonight and Thursday Bergy water.  

[ Canadian Ice Service ]

Stay connected

ATOM

Weather Conditions

Skip Image

Zoom-in to make a selection

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
Legend:
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Southeastern Grand Banks

Issued 10:00 AM EDT 11 March 2026 Today Tonight and Thursday

Ice Edge

First ice edge estimated from 4640N 5530W to 4628N 5339W to
Newfoundland near 4638N 5314W. Sea ice north of the ice edge.

Second ice edge estimated from Newfoundland near 4746N 5243W to
4845N 5230W to 5001N 5302W to 5141N 4911W to 5500N 5130W to 5700N
5600W to 6000N 5815W to 6159N 5721W then northeastward. Sea ice west
of the ice edge.

Ice Coverage

Bergy water.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 11 March 2026 Today Tonight and Thursday

Ice Edge

First ice edge estimated from 4640N 5530W to 4628N 5339W to
Newfoundland near 4638N 5314W. Sea ice north of the ice edge.

Second ice edge estimated from Newfoundland near 4746N 5243W to
4845N 5230W to 5001N 5302W to 5141N 4911W to 5500N 5130W to 5700N
5600W to 6000N 5815W to 6159N 5721W then northeastward. Sea ice west
of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southeastern Grand Banks

Issued 2:59 PM EDT 11 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 12 Mar estimated from Newfoundland near
4640N 5310W to 4520N 4930W to 4555N 4410W to 4815N 4300W to 5930N
5700W to 6120N 5400W to 5825N 4900W 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 2:59 PM EDT 11 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 12 Mar estimated from Newfoundland near
4640N 5310W to 4520N 4930W to 4555N 4410W to 4815N 4300W to 5930N
5700W to 6120N 5400W to 5825N 4900W 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 12 March 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 3:00 AM NDT 12 March 2026 Today Tonight and Friday At 3:00 a.m. NDT today low 994 mb located over southern Quebec.
By 3:00 a.m. NDT Friday low 993 mb located over western
Newfoundland.

At 3:00 a.m. NDT today ridge located from the Grand Banks to
Hudson Bay.
By 3:30 p.m. NDT today departing ridge located over Belle Isle Bank.

Marine Weather Statement

Issued 2:53 AM NDT 12 March 2026 A low pressure system over Southern Quebec will cross the Gulf of St.
Lawrence today and tonight before rapidly deepening as it tracks over
Belle Isle Bank on Friday. Strong to gale force northeasterlies to
southeasterlies are expected north of the low today with strong to
gale force southwesterlies to its south. As the low rapidly deepens
on Friday, gale to storm force northwesterlies to southwesterlies
will develop to its south.

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

Marine interests are also advised that freezing spray warnings are in
effect for Strait of Belle Isle, Gulf waters, Southwest Coast,
Northeast Coast, Belle Isle Bank and Funk Island Bank.

Atlantic - Maritimes Area

Another Region

Features

New: Colour-coded weather alerts

Learn more about weather alerting in Canada

Date modified: