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Northumberland Strait - western half

Warnings

Forecast

Marine Forecast

Issued 03:30 PM AST 04 March 2021

Tonight and Friday.

Wind west 25 to 30 knots diminishing to westerly 15 to 20 late overnight. Wind westerly 15 to 20 Friday.

Freezing spray warning in effect.

Over open water freezing spray ending overnight.

Temperatures minus 5 falling to minus 10 near midnight.

Extended Forecast

Issued 03:30 PM AST 04 March 2021
Saturday Wind southwest 20 to 25 knots.
Sunday Wind southwest 20 to 25 knots veering to west 15 to 20.
Monday Wind northwest 15 knots.

Ice Forecast

Issued 10:00 AM EST 4 March 2021 Today Tonight and Friday Ice pressure warning in effect. 9 tenths new ice including 4 tenths grey ice except 9 plus tenths grey-white ice along the western and southern coasts of Prince Edward Island. Strong ice pressure along the southern and western coasts of Prince Edward Island today and continuing Friday. 

[ 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 4 March 2021 Today Tonight and Friday

Ice Edge

Ice edge estimated from Cape Breton near 4651N 6018W to 4701N 6014W
to 4754N 6044W to 4801N 6258W to 5030N 5801W to Newfoundland near
4832N 5914W. Sea ice southwest then northwest then east of the ice
edge.

Ice Coverage

Ice pressure warning in effect.

9 tenths new ice including 4 tenths grey ice except 9 plus tenths
grey-white ice along the western and southern coasts of Prince
Edward Island. Strong ice pressure along the southern and western
coasts of Prince Edward Island today and continuing Friday.

Warnings

Warnings (In effect)

Freezing spray warning in effect

Northumberland Strait

Issued 3:30 PM AST 04 March 2021

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 EST 04 March 2021

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 3:30 PM AST 4 March 2021 Tonight and Friday At 3:30 p.m. AST today low 970 mb located northeast of Anticosti
Island.
By 8:00 p.m. AST Friday low 986 mb located over southern Labrador.

Marine Weather Statement

Issued 3:10 PM AST 4 March 2021 A low pressure system northeast of Anticosti Island will slowly move
north to lie over Southern Labrador by Friday evening. Strong to gale
force westerlies will slowly diminish through the forecast period as
a result.

Marine interests are advised that gale warnings are in effect for
Gulf-Magdalen, Chaleur-Miscou, and Anticosti.

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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