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Southwestern Shore

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 17 March 2026

Today Tonight and Wednesday.

Gale warning in effect.

Wind southeast 35 knots veering to south 45 this morning then diminishing to southwest 25 this afternoon. Wind veering to northwest 25 overnight then diminishing to northwest 15 to 20 Wednesday afternoon. Wind diminishing to light Wednesday evening.

Rain ending this evening. Risk of thunderstorms this morning. Fog patches dissipating this afternoon.

Temperatures plus 9 falling to minus 2 near noon Wednesday.

Waves

Issued 05:00 AM ADT 17 March 2026
Today Tonight and Wednesday. Seas 3 to 4 metres building to 4 to 6 this morning then subsiding to 3 to 4 Wednesday morning. Seas subsiding to 2 to 3 Wednesday afternoon.

Extended Forecast

Issued 03:00 AM ADT 17 March 2026
Thursday Wind light.
Friday Wind variable 10 to 15 knots.
Saturday Wind variable 10 to 15 knots.

Ice Forecast

Issued 10:00 AM EDT 16 March 2026 Today Tonight and Tuesday 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 16 March 2026 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Nova Scotia near 4437N 6325W to 4419N 6258W
to 4602N 5807W to Newfoundland near 4740N 5814W. Sea ice north of
the ice edge.

Ice Coverage

Open water.

 

Iceberg Bulletin

Issued 2:30 PM EDT 16 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 17 Mar estimated from Newfoundland near
4640N 5310W to 4535N 4600W to 4540N 4400W to 4815N 4300W to 5200N
4700W to 5650N 5345W to 5930N 5700W to 6120N 5400W to 5815N 4855W
then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Southwestern Shore

Issued 03:00 AM ADT 17 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 ADT 17 March 2026 Today Tonight and Wednesday At 3:00 a.m. ADT today trough located over New England.
By 3:30 p.m. ADT today trough located from the Gulf of St. Lawrence
to West Scotian Slope.

At 10:00 a.m. ADT Wednesday departing trough located southeast of
Laurentian Fan.

At 3:30 p.m. ADT Wednesday building high located southwest of the
Marine District.

Marine Weather Statement

Issued 2:48 AM ADT 17 March 2026 An intense trough of low pressure will cross the district today and
tonight to lie southeast of Laurentian Fan Wednesday morning. Gale to
near storm force southerlies ahead of the trough shift to strong to
gale force westerlies in its wake. Winds will diminish over all
waters during the day Wednesday as an area of high pressure builds in
from the west.

Marine interests are advised that gale warnings are in effect for all
waters. Freezing spray warnings are in effect for Fundy, Grand Manan,
Cabot Strait and all Gulf of St. Lawrence waters.

Atlantic - Maritimes Area

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Marine Weather for Canada

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