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Marine Forecast

Issued 03:00 AM AST 13 December 2019

Today Tonight and Saturday.

Gale warning in effect.

Wind light increasing to south 15 knots this morning then backing to southeast 20 near noon. Wind increasing to southeast 35 near noon Saturday then veering to south 35 Saturday evening.

Rain and fog patches Saturday with a risk of thunderstorms.

Waves

Issued 05:00 PM AST 12 December 2019
Tonight and Friday. Seas 2 metres subsiding to 1 early Friday morning.

Extended Forecast

Issued 03:00 AM AST 13 December 2019
Sunday Wind southwest 35 knots veering to west 45 in the afternoon.
Monday Wind west 40 knots.
Tuesday Wind northwest 25 knots diminishing to variable 10 to 15.

Ice Forecast

Issued 10:00 AM EST 12 December 2019 Today Tonight and Friday Ice free. 

[ Canadian Ice Service ]

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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 Île d'Orléans L'Assomption Trois-Rivières Airport Île aux-Grues Lac Saint-Pierre Montréal-Trudeau Int'l Airport Saint-Hubert Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Saint-Anicet Baie-Comeau Airport Cap-Rouge Île Rouge Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts Pointe-Noire Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier Île Bicquette Cap-Chat 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
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 12 December 2019 Today Tonight and Friday

Ice Edge

First ice edge estimated from Nova Scotia near 4540N 6130W to Prince
Edward Island near 4625N 6205W. Sea ice west of the ice edge

Second ice edge estimated from Prince Edward Island near 4630N 6215W
to 4730N 6415W to 4850N 6335W to 4850N 6110W to 5050N 5805W to
Newfoundland near 5035N 5720W. Sea ice west and north of the ice
edge.

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Gale warning in effect

Lurcher

Issued 03:00 AM AST 13 December 2019

'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 AST 13 December 2019 Today Tonight and Saturday At 3:00 a.m. AST Saturday intensifying low 1004 mb located near
Cape Hatteras.
By 10:00 a.m. AST Saturday low 990 mb located over New England.

By 10:00 a.m. AST Saturday trough from 990 mb low located over
the Gulf of Maine.

At 3:00 a.m. AST today ridge located from Browns Bank to the
Gaspe Peninsula.
By 8:00 p.m. AST tonight ridge located from Laurentian Fan to the
Gulf of St. Lawrence.

Marine Weather Statement

Issued 2:44 AM AST 13 December 2019 Strong northwesterly winds over northern waters today will diminish
as a ridge builds into the region from the west. Moderate to strong
southerlies will develop over western waters late in the day today.
Winds will continue to strengthen throughout the day Saturday to
become gale force south to southeasterlies by Saturday evening as a
low pressure system approaches from the southwest.

Marine interests are advised that gale warnings are in effect for all
waters except Chaleur - Miscou - western half.

Marine interests are also advised that freezing spray warnings are in
effect for Cabot Strait, Gulf-Magdalen, Chaleur - Miscou - eastern
half, and Anticosti.

St. Lawrence - St. Lawrence River Area

Another Region

Marine Weather for Canada

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