Grand Manan


Marine Forecast

Issued 10:00 AM AST 22 November 2017

Today Tonight and Thursday.

Wind southwest 15 knots backing to south 20 early this evening then becoming northwest 20 near midnight. Wind increasing to northwest 30 late overnight then diminishing to northwest 20 near noon Thursday. Wind diminishing to northwest 10 to 15 Thursday evening.

Rain beginning near noon and ending after midnight. Fog patches forming near noon and dissipating early this evening.


Issued 05:00 AM AST 22 November 2017
Today Tonight and Thursday. Seas 2 to 3 metres subsiding to 1 to 2 near noon then building to 2 to 3 late overnight.

Extended Forecast

Issued 03:00 AM AST 22 November 2017
Friday Wind west 15 to 20 knots.
Saturday Wind southwest 20 knots increasing to southwest 30.
Sunday Wind south 15 knots increasing to northwest 25.

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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 EDT 20 June 2017 Forecasts have ended for the season.

No watches or warnings in effect.


Technical Marine Synopsis

Issued 10:00 AM AST 22 November 2017 Today Tonight and Thursday At 10:00 a.m. AST today trough located from New England to Cape
By 8:00 p.m. AST tonight trough located from Anticosti Island to
Georges Bank.

At 8:00 p.m. AST tonight low 999 mb located southwest of Georges
By 10:00 a.m. AST Thursday intensifying low 980 mb located over
Cabot Strait.

Marine Weather Statement

Issued 9:55 AM AST 22 November 2017 A trough of low pressure west of the region will spawn a low centre
southwest of Georges Bank this evening. This low will intensify as it
tracks northeastward across the marine district overnight tonight to
lie over Cabot Strait Thursday morning. Gale to storm force
southerlies ahead of this trough will shift to strong to gale force
northwesterlies behind it. These northwesterlies could reach storm
force over Gulf waters and Cabot Strait on Thursday.

Marine interests are advised that storm warnings are in effect for
Georges Bank, West Scotian Slope, eastern shore, Sable, East Scotian
Slope, Fourchu, Banquereau - northwestern half and Cabot Strait.
Gale warnings are in effect for all remaining waters except Fundy and
Grand Manan.

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