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Southwest Coast

Warnings

Forecast

Marine Forecast

Issued 10:00 AM NDT 11 March 2026

Today Tonight and Thursday.

Gale warning in effect.

Wind northwest 15 to 20 knots veering to north 15 this afternoon then to northeast 10 to 15 this evening. Wind increasing to east 25 late overnight then veering to southeast 30 Thursday morning. Wind increasing to southwest 35 Thursday afternoon.

Periods of snow beginning overnight changing to freezing rain Thursday morning then to rain and fog banks near noon Thursday.

Temperatures zero rising to plus 6 Thursday afternoon.

Waves

Issued 06:00 AM NDT 11 March 2026
Today Tonight and Thursday. Seas 1 to 2 metres subsiding to 1 or less this evening then building to 1 to 2 late overnight. Seas building to 2 to 3 Thursday morning and to 3 to 4 Thursday evening.

Extended Forecast

Issued 03:00 AM NDT 11 March 2026
Friday Wind southwest 25 to 35 knots veering to west 35 to 45 in the afternoon.
Saturday Wind west 25 to 35 knots becoming southeast 25 to 35.
Sunday Wind west 25 to 35 knots.

Ice Forecast

Issued 10:00 AM EDT 10 March 2026 Today Tonight and Wednesday Open water except 1 tenth first-year ice in the extreme western section. Consolidated grey ice in a few sheltered bays. 

[ 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 10 March 2026 Today Tonight and Wednesday

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

Open water except 1 tenth first-year ice in the extreme western
section. Consolidated grey ice in a few sheltered bays.

 

Iceberg Bulletin

Issued 2:30 PM EDT 10 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 11 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.
Warnings

Warnings (In effect)

Gale warning in effect

Southwest Coast

Issued 10:00 AM NDT 11 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 10:00 AM NDT 11 March 2026 Today Tonight and Thursday At 10:00 a.m. NDT today low 977 mb located over northern Labrador
Sea.
By 10:00 a.m. NDT Thursday low 990 mb located southeast of
Labrador Sea.

At 3:00 a.m. NDT Thursday low 992 mb located over southern Quebec.
By 8:00 p.m. NDT Thursday low 991 mb located over Northeast Gulf.

At 10:00 a.m. NDT today ridge located over Quebec.
By 10:00 a.m. NDT Thursday ridge located northeast of Newfoundland.

Marine Weather Statement

Issued 9:52 AM NDT 11 March 2026 An intense low pressure system over the Northern Labrador Sea will
track southeastward to lie southeast of the Labrador marine district
by overnight tonight. Strong to gale force northwesterlies will
persist over Belle Isle Bank today and tonight as a result of this
low.

A second low pressure system will approach from the west tonight and
cross the Gulf of St. Lawrence on Thursday. Strong to gale force
northeasterlies to southeasterlies ahead of the low will shift to
southwesterlies in its wake.

Marine interests are advised that gale warnings are in effect for
Gulf waters, Southwest Coast, South Coast, East Coast, Belle Isle
Bank and Northern Grand Banks.

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

Atlantic - Maritimes Area

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Marine Weather for Canada

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