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Anticosti - western half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 10 May 2025

Today Tonight and Sunday.

Gale warning in effect.

Wind light increasing to easterly 10 to 15 knots this morning and to northerly 15 to 20 this evening. Wind backing to northwest 25 overnight except northwest 35 in the Honguedo Strait. Wind becoming northwest 30 near noon Sunday except northwest 40 in the Honguedo Strait Sunday afternoon and evening.

Scattered showers beginning this afternoon changing to rain this evening then to snow near noon Sunday. Showers Sunday evening. Fog patches forming this afternoon and dissipating overnight. Visibility 1 mile or less in fog patches and in precipitation.

Waves

Issued 05:00 PM ADT 09 May 2025
Tonight and Saturday. Seas 1 metre or less.

Extended Forecast

Issued 03:00 AM ADT 10 May 2025
Monday Wind northwest 35 knots diminishing to west 25 in the afternoon.
Tuesday Wind north 15 knots backing to northwest 20.
Wednesday Wind south 20 knots diminishing to light late in the day.

Ice Forecast

Issued 10:00 AM EDT 9 May 2025 Today Tonight and Saturday Ice free. 

[ Canadian Ice Service ]

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Map of St. Lawrence - St. Lawrence River marine weather areas Cap-Chat Mont-Joli Airport Bathurst Airport Île Bicquette Charlo Port Menier Miramichi Pointe-au-Père Fundy Park (Alma) New Carlisle Grand Manan Bas Caraquet CFB Bagotville Jonquière Mistook Normandin Roberval Airport Deschambault Beauport North Bay Airport Trois-Rivières Airport Lake Nipissing - 45152 Kouchibouguac Baie-Comeau Airport Île d'Orléans Saint-Anicet Sainte-Anne-de-Bellevue Cap-Rouge Lac Memphrémagog Saint-Hubert Airport Montréal-Trudeau Int'l Airport Île Rouge Lac Saint-Pierre L'Isle-aux-Grues L'Assomption Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts North Cape Pointe-Noire Yarmouth Airport Cap-d'Espoir Brier Island Rivière-la-Madeleine St. Stephen Gaspé Airport Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac La Pocatière
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 9 May 2025 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Quebec near 5029N 5935W to 5024N 5913W to 5104N 5745W to Newfoundland near 5049N 5704W. Sea ice north of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 2:39 PM EDT 9 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 10 May estimated from Newfoundland near 4723N 5503W to 4230N 5105W to 4135N 4720W to 4900N 4045W to 5320N 4815W to 5915N 5605W to 5920N 5335W to 5820N 4745W then eastward.

Iceberg Count

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

Warnings (In effect)

Gale warning in effect

Anticosti - western half

Issued 03:00 AM ADT 10 May 2025

'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 10 May 2025 Today Tonight and Sunday At 3:00 a.m. ADT today low 1008 mb located near Long Island.
By 3:30 p.m. ADT today low 1004 mb located over the Gulf of Maine.

At 8:00 p.m. ADT tonight low 1001 mb located over Northumberland
Strait.
By 10:00 a.m. ADT Sunday departing low 994 mb located over
Newfoundland.

At 10:00 a.m. ADT Sunday approaching ridge located over the
Great Lakes.

Marine Weather Statement

Issued 2:20 AM ADT 10 May 2025

St. Lawrence - St. Lawrence River Area

Another Region

Marine Weather for Canada

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