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Anticosti - southwestern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 23 June 2025

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind northwest 15 to 20 knots diminishing to light near noon then becoming southeasterly 15 this evening. Wind becoming variable 10 to 15 Tuesday morning then becoming northwest 15 near noon Tuesday. Wind increasing to west 20 Tuesday afternoon except west 30 in the Honguedo Strait.

Rain beginning near midnight changing to showers Tuesday morning and ending Tuesday afternoon. Fog patches dissipating Tuesday evening.

Waves

Issued 05:00 AM ADT 23 June 2025

Anticosti - eastern half

Today Tonight and Tuesday. Seas 1 metre or less building to 1 to 2 Tuesday morning.

Anticosti - western half

Today Tonight and Tuesday. Seas 1 metre or less building to 1 to 2 late overnight.

Extended Forecast

Issued 03:00 AM ADT 23 June 2025
Wednesday Wind northwest 30 knots diminishing to northwest 20 in the afternoon.
Thursday Wind northwest 15 to 20 knots.
Friday Wind northwest 15 knots increasing to west 20 to 25.

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Map of Atlantic - Maritimes marine weather areas Summerside Stephenville Airport North Cape Burgeo Pointe-des-Monts Port aux Basques Sagona Island St. Lawrence Tracadie Winterland Branch Hill Wreckhouse Halifax Harbour - 44258 LaHave Bank - 44150 Sept-Îles Airport Banquereau - 44139 Longue-Pointe-de-Mingan Île Rouge Île aux Perroquets Havre-Saint-Pierre Airport East Scotia Slope - 44137 Baie-Comeau Airport Mont-Joli Airport Rivière-la-Madeleine Saint John Airport Gaspé Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Heath Point Miscou Island Kouchibouguac Îles de la Madeleine Airport Kouchibouguac La Pocatière Grand Manan St. Stephen Fundy Park (Alma) New Carlisle Miramichi Pointe-au-Père Charlo Port Menier Bathurst Airport Île Bicquette Bas Caraquet Cap-Chat East Chedabucto Bay – 44488 West Chedabucto Bay – 44489 Lunenburg Charlottetown Airport Yarmouth Airport Pointe-Noire Western Head J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Nappan AAFC McNabs Island East Point Kentville AAFC Ingonish Beach Hart Island CFB Greenwood Grand Étang Eskasoni (First Nations) Debert Caribou Point Brier Island Cap-d'Espoir Beaver Island Baccaro Point
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.
 

Iceberg Bulletin

Issued 2:43 PM EDT 22 June 2025

Iceberg Limit

Iceberg limit at 0000 UTC 23 Jun estimated from Newfoundland near 4655N 5555W to 4530N 5430W to 4345N 4700W to 4705N 4140W to 4925N 4200W to 5600N 5120W to 5745N 5405W then eastward.

Iceberg Count

No confirmed icebergs except less than 10 icebergs northeast of the western iceberg limit.
Warnings

Warnings (In effect)

Strong wind warning in effect

Anticosti - southwestern half

Issued 03:00 AM ADT 23 June 2025

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. 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 23 June 2025 Today Tonight and Tuesday At 3:00 a.m. ADT today trough located from the Gulf of St. Lawrence
to Cape Cod.
By 3:30 p.m. ADT today trough located from Newfoundland to East
Scotian Slope.

At 8:00 p.m. ADT tonight trough located over southern Quebec.
By 8:00 p.m. ADT Tuesday trough from 998 mb low located over
Labrador to Cape Cod.

Atlantic - Maritimes Area

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Marine Weather for Canada

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