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Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 12 March 2026

Tonight and Friday.

Gale warning in effect.

Wind southwest 35 knots diminishing to northwest 25 late overnight then increasing to west 35 late Friday morning. Wind diminishing to west 25 early Friday evening and to west 15 late Friday evening.

Showers with a risk of thunderstorms late this evening changing to scattered flurries Friday morning and ending Friday morning. Fog banks dissipating late overnight.

Temperatures plus 5 falling to minus 1 near noon Friday.

Waves

Issued 05:00 PM ADT 12 March 2026
Tonight and Friday. Seas 3 to 5 metres building to 4 to 6 early Friday morning then subsiding to 3 to 4 Friday evening.

Extended Forecast

Issued 03:30 PM ADT 12 March 2026
Saturday Wind variable 10 to 15 knots increasing to south 35 in the afternoon then veering to west 40 late in the day.
Sunday Wind northwest 35 knots diminishing to variable 15.
Monday Wind southeast 20 knots increasing to south 30.

Ice Forecast

Issued 10:00 AM EDT 12 March 2026 Today Tonight and Friday Ice free. 

[ 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

Issued 10:00 AM EDT 12 March 2026 Today Tonight and Friday

Ice Edge

Ice edge estimated from 4420N 6720W to 4430N 6635W to 4330N 6615W to
4315N 6515W to 4603N 5814W to 4722N 5805W to 4643N 5628W to
Newfoundland near 4640N 5530W. Sea ice north of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 2:53 PM EDT 12 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 13 Mar estimated from Newfoundland near
4640N 5310W to 4520N 4930W to 4555N 4410W to 4815N 4300W to 5220N
4615W to 5650N 5345W to 5930N 5700W to 6120N 5400W to 5825N 4900W
then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Sable

Issued 8:00 PM ADT 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 8:00 PM ADT 12 March 2026 Tonight and Friday At 8:00 p.m. ADT tonight departing low 994 mb located over the
northeastern Gulf of St. Lawrence.

At 3:00 a.m. ADT Friday trough from low located on a line
northeast-southwest over the eastern Marine District.
By 8:00 p.m. ADT Friday departing trough located east of the
Grand Banks.

Marine Weather Statement

Issued 7:53 PM ADT 12 March 2026 A low pressure system over the Northeastern Gulf of St. Lawrence will
move eastward and away from the district tonight. A trough extending
from the low will cross eastern waters tonight and Friday morning.
Strong to gale force southerlies ahead of the trough will shift to
strong to gale force westerlies in its wake.

Marine interests are advised that gale warnings are in effect for all
waters except for Fundy, Grand Manan, Lurcher, Browns Bank, Georges
Bank, southwestern shore, West Scotian Slope, Northumberland Strait,
and Chaleur - Miscou - western half.

Marine interests are also advised that freezing spray warnings are in
effect for Cabot Strait - northern half and all Gulf of St. Lawrence
waters except Northumberland Strait.

Atlantic - Maritimes Area

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Marine Weather for Canada

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