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Forecast

Marine Forecast

Issued 03:00 AM AST 19 February 2018

Today Tonight and Tuesday.

Wind light increasing to southwest 15 to 20 knots this morning and to southwest 25 this afternoon. Wind diminishing to southwest 15 after midnight then becoming variable 10 to 15 Tuesday morning.

Showers and fog banks beginning this evening.

Temperatures zero rising to plus 5 after midnight.

Waves

Issued 05:00 PM AST 18 February 2018
Tonight and Monday. Seas 1 to 2 metres subsiding to 1 or less after midnight then building to 2 to 3 Monday afternoon.

Extended Forecast

Issued 03:00 AM AST 19 February 2018
Wednesday Wind southwest 20 to 25 knots.
Thursday Wind northwest 25 knots diminishing to northwest 15 to 20.
Friday Wind variable 10 to 15 knots.

Ice Forecast

Issued 10:00 AM EST 18 February 2018 Today Tonight and Monday Open water except 1 tenth grey ice in the extreme eastern section. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of St. Lawrence - St. Lawrence River marine weather areas Mont-Louis - 45138 Lake Nipissing - 45152 North Bay Airport Beauport Deschambault L'Assomption Trois-Rivières Airport Saint-Hubert Airport Baie-Comeau Airport Cap-Rouge Pointe de l'Islet Sept-Îles Airport Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier CFB Bagotville Jonquière Mistook Normandin Roberval Airport Bas Caraquet Bathurst Airport Bouctouche AAFC Charlo Miramichi Fundy Park (Alma) Grand Manan Kouchibouguac Miscou Island Greater Moncton Roméo LeBlanc Int'l Airport Point Lepreau Saint John Airport St. Stephen Brier Island Yarmouth Airport North Cape Île d'Orléans Île aux-Grues Lac Saint-Pierre Lac Memphremagog Sainte-Anne-de-Bellevue Saint-Anicet Île Rouge Pointe Claveau Pointe-des-Monts Pointe-Noire Île Bicquette Cap-Chat Montréal-Trudeau Int'l Airport
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 18 February 2018 Today Tonight and Monday

Ice Edge

First ice edge estimated from New Brunswick near 4530N 6515W to Nova
Scotia near 4505N 6500W. Sea ice northeast of the ice edge.

Second ice edge estimated from Nova Scotia near 4430N 6330W to 4530N
5750W to 4700N 5750W to 4715N 5655W to Newfoundland near 4705N
5555W. Sea ice north of the ice edge.

Ice Coverage

Open water except 1 tenth grey ice in the extreme eastern section.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM AST 19 February 2018 Today Tonight and Tuesday At 3:00 a.m. AST today departing low 985 mb located southeast of
Laurentian Fan.

At 3:00 a.m. AST today building ridge located west of the Marine
District.
By 8:00 p.m. AST tonight departing ridge located over the
southeastern Marine District.

At 10:00 a.m. AST Tuesday trough located over the Gulf of
St. Lawrence.
By 3:30 p.m. AST Tuesday trough located from Grand Manan to
Banquereau.

Marine Weather Statement

Issued 2:48 AM AST 19 February 2018 An intense low pressure system southeast of Laurentian Fan will
continue to pull away this morning. Gale force northerlies over
Laurentian Fan will diminish this morning.

Marine interests are advised that a gale warning is in effect for
Laurentian Fan. A freezing spray warning is in effect for Anticosti.

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