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Northumberland Strait - western half

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 20 March 2023

Tonight and Tuesday.

Wind west 25 to 30 knots diminishing to west 20 this evening and to west 15 late overnight except light over western sections. Wind diminishing to light near noon Tuesday.

Flurries Tuesday evening. Visibility 1 mile or less in flurries.

Temperatures minus 1 falling to minus 6 Tuesday morning then rising to zero Tuesday evening.

Extended Forecast

Issued 03:30 PM ADT 20 March 2023
Wednesday Wind west 20 knots.
Thursday Wind light increasing to southeast 25 knots.
Friday Wind southeast 30 knots diminishing to northwest 20.

Ice Forecast

Issued 10:00 AM EDT 20 March 2023 Today Tonight and Tuesday Ice pressure warning in effect. 1 tenth first-year ice except 9 plus tenths first-year ice along the coast of Prince Edward Island. Strong ice pressure along the coast of Prince Edward Island easing tonight. 

[ 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 Charlo Miramichi Fundy Park (Alma) Grand Manan Kouchibouguac 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 EDT 20 March 2023 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Nova Scotia near 4557N 5947W to 4620N 5930W
to 4845N 6230W to 5000N 5845W to 4730N 5940W to Newfoundland near
4711N 5528W. Sea ice west then northeast of the ice edge.

Ice Coverage

Ice pressure warning in effect.

1 tenth first-year ice except 9 plus tenths first-year ice along the
coast of Prince Edward Island. Strong ice pressure along the coast
of Prince Edward Island easing tonight.

Warnings

Warnings (In effect)

Ice pressure warning in effect

Northumberland Strait - western half

Issued 10:00 AM EDT 20 March 2023

Navigators in this marine area should be on the lookout for hazardous ice conditions and take necessary safety precautions. Please refer to the latest ice forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio stations.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 20 March 2023 Tonight and Tuesday At 8:00 p.m. ADT tonight low 978 mb located north of Newfoundland.
By 3:00 a.m. ADT Tuesday departing low 982 mb located northeast
of Newfoundland.

At 8:00 p.m. ADT tonight ridge located from the East Coast of the
U.S. to West Scotian Slope.
By 3:30 p.m. ADT Tuesday ridge located from the East Coast of the
U.S. to Laurentian Fan.

Marine Weather Statement

Issued 7:45 PM ADT 20 March 2023 A low pressure system north of Newfoundland will slowly move eastward
tonight. Strong to gale force westerlies will gradually diminish from
west to east overnight tonight and Tuesday as the low moves farther
east of Newfoundland.

Marine interests are advised that gale warnings are in effect for
Banquereau, Laurentian Fan - northern half, Cabot Strait,
Gulf-Magdalen - northeastern half, and Anticosti.

Marine interests are also advised that freezing spray warnings are in
effect for Gulf-Magdalen - northeastern half and Anticosti.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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