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Northumberland Strait - western half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 20 March 2023

Today Tonight and Tuesday.

Wind southwest 25 knots veering to west 30 early this morning then diminishing to west 20 this afternoon. Wind diminishing to west 15 overnight except light over western sections. Wind diminishing to light Tuesday morning.

Snow Tuesday evening. Visibility 1 mile or less in snow.

Freezing spray warning in effect.

Over open water freezing spray this morning and this afternoon.

Temperatures near minus 3.

Extended Forecast

Issued 03:00 AM 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 19 March 2023 Today Tonight and Monday Ice pressure warning in effect. 1 tenth first-year ice except 9 plus tenths first-year ice along the coasts of New Brunswick and Nova Scotia as well as the northwestern coast Prince Edward Island. Strong ice pressure developing along parts of southern Prince Edward Island late this evening and easing late Monday afternoon. 

[ 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 19 March 2023 Today Tonight and Monday

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
coasts of New Brunswick and Nova Scotia as well as the northwestern
coast Prince Edward Island. Strong ice pressure developing along
parts of southern Prince Edward Island late this evening and easing
late Monday afternoon.

Warnings

Warnings (In effect)

Freezing spray warning in effect

Northumberland Strait

Issued 03:00 AM ADT 20 March 2023

Moderate or severe freezing spray is occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Ice pressure warning in effect

Northumberland Strait - western half

Issued 10:00 AM EDT 19 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 3:00 AM ADT 20 March 2023 Today Tonight and Tuesday At 3:00 a.m. ADT today low 976 mb located over southern Labrador
Coast.
By 3:00 a.m. ADT Tuesday low 982 mb located east of Newfoundland.

At 3:30 p.m. ADT today 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 2:33 AM ADT 20 March 2023 A low pressure system located near the South Labrador Coast will
slowly move southeastward today and tonight. Strong to gale force
westerlies will persist over the district today. Winds will gradually
start to 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
eastern shore - eastern half, Sable - eastern half, East Scotian
Slope, Fourchu, Banquereau, Laurentian Fan, Cabot Strait, Gulf -
Magdalen, Chaleur - Miscou, and Anticosti.

Marine interests are also advised that freezing spray warnings are in
effect for Fundy, Grand Manan, Cabot Strait, Northumberland Strait,
Gulf - Magdalen, Chaleur - Miscou, and Anticosti.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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