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Forecast

Marine Forecast

Issued 10:00 AM AST 22 February 2017

Today Tonight and Thursday

Wind southwest 15 knots diminishing to light this evening then increasing to south 15 near noon Thursday. Wind increasing to southwest 20 to 25 Thursday evening.

Fog patches forming early this evening.

Waves

Issued 05:00 AM AST 22 February 2017
Today Tonight and Thursday Seas 1 metre or less building to 1 to 2 Thursday evening.

Extended Forecast

Issued 03:00 AM AST 22 February 2017
Friday Wind southwest 25 knots diminishing to variable 10 to 15 in the afternoon.
Saturday Wind south 15 knots increasing to south 25.
Sunday Wind south 25 knots veering to west 25.

Ice Forecast

Issued 10:00 AM EST 22 February 2017 Today Tonight and Thursday Ice free. 

[ 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 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 Varennes 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 22 February 2017 Today Tonight and Thursday

Ice Edge

First ice edge estimated from Nova Scotia near 4610N 5950W to 4635N
5925W to 4815N 6105W to 5000N 5820W to 4835N 5925W to Newfoundland
near 4755N 5925W. Sea ice west and southeast of the ice edge.

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

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM AST 22 February 2017 Today Tonight and Thursday At 10:00 a.m. AST today low 995 mb located south of the Grand Banks.
By 3:00 a.m. AST Thursday low 990 mb located over the southeastern
Grand Banks.

At 10:00 a.m. AST today ridge located on a line northeast-southwest
over Nova Scotia.
By 8:00 p.m. AST Thursday ridge located on a line north-south
over Newfoundland.

At 3:30 p.m. AST Thursday approaching low 994 mb located over
Quebec.

Marine Weather Statement

Issued 9:45 AM AST 22 February 2017 A low pressure system south of the Grand Banks will move to lie over
the Southeastern Grand Banks late Wednesday night. Meanwhile a ridge
of high pressure over Nova Scotia will slowly move eastward today.
Strong to gale force winds are forecast over southern waters today
between these two features. Elsewhere winds will diminish in the
vicinity of the ridge.

Marine interests are advised that a gale warning is in effect for
Laurentian Fan - southeastern half.

St. Lawrence - St. Lawrence River Area

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