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Anticosti - western half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 16 May 2026

Today Tonight and Sunday.

Gale warning in effect.

Wind northwest 15 knots increasing to west 20 this afternoon then backing to southwest 25 late overnight. Wind increasing to west 35 near noon Sunday then diminishing to northwest 25 Sunday evening with gusts to 35 in the Honguedo Strait.

Scattered showers overnight. Fog patches forming overnight and dissipating near noon Sunday.

Waves

Issued 05:00 AM ADT 16 May 2026
Today Tonight and Sunday. Seas 1 metre or less building to 1 to 2 Sunday morning and to 2 to 3 Sunday afternoon.

Extended Forecast

Issued 03:00 AM ADT 16 May 2026
Monday Wind northwest 35 knots diminishing to west 20 in the afternoon.
Tuesday Wind variable 15 to 20 knots.
Wednesday Wind northeast 10 to 15 knots.

Ice Forecast

Issued 10:00 AM EDT 16 May 2026 Today Tonight and Sunday 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 16 May 2026 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Quebec near 5108N 5835W to 5104N 5812W to
5116N 5738W to Quebec near 5125N 5736W. Sea ice north of the ice
edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 6:12 PM EDT 15 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 16 May estimated from Newfoundland near
4700N 5520W to 4230N 5000W to 4230N 4800W to 4400N 4600W to 4800N
4345W to 5310N 4635W to 5550N 5010W to 5900N 5500W to 5955N 5310W to
5840N 4800W then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti - western half

Issued 10:00 AM ADT 16 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 ADT 16 May 2026 Today Tonight and Sunday At 10:00 a.m. ADT today low 996 mb located north of Banquereau.
By 3:30 p.m. ADT today departing low 990 mb located northeast
of Newfoundland.

At 10:00 a.m. ADT today ridge located southwest of the Marine
District.
By 10:00 a.m. ADT Sunday ridge located southeast of the Marine
District.

At 3:00 a.m. ADT Sunday trough located over the St. Lawrence River.
By 8:00 p.m. ADT Sunday trough located over Newfoundland.

Marine Weather Statement

Issued 9:49 AM ADT 16 May 2026 A low pressure system north of Banquereau will continue tracking
northeastward to lie northeast of Newfoundland this afternoon.
Winds will increase to gale force westerlies in its wake then subside
this evening as the low departs the region.

A trough of low pressure will cross the marine district on Sunday.
Strong southwesterlies ahead of the trough will increase to strong to
gale force northwesterlies in its wake.

Marine interests are advised that gale warnings are in effect for
Banquereau - southern half, Laurentian Fan, Gulf - Magdalen -
northeastern half and Anticosti.

Atlantic - Maritimes Area

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Marine Weather for Canada

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