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Southwestern Shore

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 13 March 2026

Today Tonight and Saturday.

Wind northwest 20 knots increasing to northwest 30 early this morning then diminishing to west 20 this afternoon. Wind backing to southwest 15 this evening then to south 20 overnight. Wind increasing to southeast 30 Saturday morning then becoming west 30 Saturday afternoon.

Flurries ending this morning. Rain and fog patches Saturday.

Temperatures plus 4 falling to minus 2 near noon then rising to plus 4 Saturday afternoon.

Waves

Issued 05:00 AM ADT 13 March 2026
Today Tonight and Saturday. Seas 2 to 3 metres subsiding to 1 to 2 late overnight then building to 2 to 3 Saturday morning.

Extended Forecast

Issued 03:00 AM ADT 13 March 2026
Sunday Wind northwest 25 knots diminishing to light in the afternoon.
Monday Wind southeast 25 knots veering to south 30.
Tuesday Wind south 35 knots.

Ice Forecast

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

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

Open water.

 

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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 13 March 2026 Today Tonight and Saturday At 3:00 a.m. ADT today trough located on a line northeast-southwest
over the central Marine District.
By 8:00 p.m. ADT tonight departing trough located east of the
Grand Banks.

At 3:00 a.m. ADT Saturday low 999 mb located over southern Ontario.
By 8:00 p.m. ADT Saturday low 1000 mb located over eastern Nova
Scotia.

Marine Weather Statement

Issued 2:49 AM ADT 13 March 2026 A trough of low pressure over the central marine district this
morning will move eastward across eastern waters today. Strong to
gale force southerlies ahead of the trough will shift to strong to
gale force westerlies in its wake.

A second trough of low pressure will approach the region from the
west on Saturday. Strong to gale force southeasterlies ahead of this
low will shift to strong to gale force westerlies in the wake of the
low Saturday evening.

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