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Warnings

Forecast

Marine Forecast

Issued 03:30 PM AST 18 January 2021

Tonight and Tuesday.

Wind southwest 20 to 25 knots veering to northwest 20 to 25 near midnight then diminishing to northwest 15 Tuesday afternoon.

Showers tonight.

Waves

Issued 05:00 PM AST 18 January 2021
Tonight and Tuesday. Seas 3 to 5 metres subsiding to 2 to 3 this evening.

Extended Forecast

Issued 03:30 PM AST 18 January 2021
Wednesday Wind northwest 20 knots veering to northerly 25 in the afternoon.
Thursday Wind northwest 25 knots diminishing to west 15.
Friday Wind variable 15 knots increasing to northeast 20.

Ice Forecast

Issued 10:00 AM EST 18 January 2021 Today Tonight and Tuesday Ice free. 

[ Canadian Ice Service ]

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Map of St. Lawrence - St. Lawrence River marine weather areas West Bay of Fundy - 44490 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 18 January 2021 Today Tonight and Tuesday

Ice Edge

First ice edge estimated from Nova Scotia near 4545N 6240W to Prince
Edward Island near 4600N 6240W. Sea ice west of the ice edge.

Second ice edge estimated from Prince Edward Island near 4625N 6310W
to 4715N 6405W to 4840N 6345W to 4845N 6150W to 5040N 5820W to
Newfoundland near 5035N 5720W. Sea ice west and north of the ice
edge.

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM AST 18 January 2021 Tonight and Tuesday At 3:30 p.m. AST today cold front located from the Gaspe Peninsula
to Maine.
By 3:30 p.m. AST Tuesday cold front located southeast of the
Marine District.

At 8:00 p.m. AST tonight intensifying low 998 mb located south of
Laurentian Fan.
By 10:00 a.m. AST Tuesday departing low 986 mb located over the
northern Grand Banks.

Marine Weather Statement

Issued 3:25 PM AST 18 January 2021 A cold front on a northeast to southwest line over the Gaspé
Peninsula this afternoon will move southeastward across the district
tonight and Tuesday. Strong to gale force southwesterlies ahead of
the front will veer to strong northwesterlies behind it. Colder air
in the wake of the cold front will give freezing spray to the Gulf of
St. Lawrence waters on Tuesday.

This evening a low pressure system will approach Laurentian Fan from
the southwest and intensify as it crosses the Grand Banks tonight and
Tuesday. Stong westerlies over Laurentian Fan may reach gale force
over the southeastern half this evening.

Marine interests are advised that a gale warning is in effect for
Anticosti. Freezing spray warnings are in effect for the waters of
the Gulf of St. Lawrence.

St. Lawrence - St. Lawrence River Area

Another Region

Marine Weather for Canada

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Go prepared with Highway 93 forecasts. Highway regions are available in the Alberta text forecast bulletin between Lake Louise and Jasper. (Photo by: Natalie Anderson)

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