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Southwest Coast

Warnings

Forecast

Marine Forecast

Issued 10:00 AM NDT 12 May 2026

Today Tonight and Wednesday.

Gale warning in effect.

Wind southeast 15 to 20 knots and locally gusts to 30 along the coast. Wind becoming south 25 this afternoon except northwest 25 over western sections. Wind becoming northwest 25 this evening except variable 10 to 15 over eastern sections tonight. Wind increasing to west 35 Wednesday morning then diminishing to west 25 Wednesday evening.

Rain changing to showers this evening then to flurries or showers overnight and ending Wednesday morning. Fog dissipating overnight.

Waves

Issued 06:00 AM NDT 12 May 2026
Today Tonight and Wednesday. Seas 1 to 2 metres building to 2 to 3 this evening except 3 to 5 over eastern sections Wednesday morning.

Extended Forecast

Issued 03:00 AM NDT 12 May 2026
Thursday Wind southwest 15 to 20 knots.
Friday Wind east 25 to 35 knots.
Saturday Wind variable 15 knots.

Ice Forecast

Issued 10:00 AM EDT 12 May 2026 Today Tonight and Wednesday 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 May 2026 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Quebec near 5016N 6251W to 4956N 6207W to
4956N 5959W to 5116N 5738W to Quebec near 5125N 5736W. Sea ice north
of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 2:49 PM EDT 11 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 12 May estimated from Newfoundland near
4655N 5545W to 4125N 5045W to 4135N 4645W to 4735N 4420W to 5310N
4705W to 5550N 5010W to 5900N 5500W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Southwest Coast

Issued 10:00 AM NDT 12 May 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 12 May 2026 Today Tonight and Wednesday At 10:00 a.m. NDT today intensifying low 1006 mb located east of
Cape Breton Island.
By 10:00 a.m. NDT Wednesday intensifying low 993 mb located over
the Northeast Coast of Newfoundland.

At 10:00 a.m. NDT today ridge located on a line north-south over
eastern Quebec.
By 10:00 a.m. NDT Wednesday ridge located on a line north-south
over the Gulf of Maine.

Marine Weather Statement

Issued 9:45 AM NDT 12 May 2026 An intensifying low pressure system approaching from the south will
cross Newfoundland tonight and further deepen as it moves to lie
north of the island on Wednesday.

Strong to gale force southeasterlies will develop to the east of the
track of the low while strong to gale force northwesterlies will
develop to the west of its track. Winds will shift to strong to gale
force west to southwesterlies in the wake of the low.

Marine interests are advised that gale warnings are in effect for all
waters except Gulf waters.

Atlantic - Maritimes Area

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Marine Weather for Canada

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