Northumberland Strait - western half

Forecast

Marine Forecast

Issued 08:00 PM AST 20 February 2019

Tonight and Thursday.

Wind northwest 15 to 20 knots diminishing to light after midnight then increasing to southerly 10 to 15 Thursday morning. Wind backing to southeast 15 to 20 early Thursday afternoon.

Periods of snow beginning Thursday morning. Visibility 1 mile or less in snow.

Over open water risk of freezing spray late this evening.

Low tonight minus 15. High Thursday minus 8.

Extended Forecast

Issued 03:30 PM AST 20 February 2019
Friday Wind northwest 15 to 20 knots.
Saturday Wind northwest 15 to 20 knots.
Sunday Wind light increasing to east 30 knots late in the day.

Ice Forecast

Issued 10:00 AM EST 20 February 2019 Today Tonight and Thursday Ice pressure warning in effect. 9 tenths grey ice including 1 tenth first-year ice except 9 plus tenths grey-white ice including 2 tenths first-year ice along the Prince Edward Island coast. Strong ice pressure today easing overnight in the pack ice. 

[ 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 20 February 2019 Today Tonight and Thursday

Ice Edge

First ice edge estimated from New Brunswick near 4510N 6610W to Nova
Scotia near 4440N 6550W. Sea ice east of the ice edge.

Second ice edge estimated from Nova Scotia near 4400N 6440W to 4500N
6130W to 4430N 5835W to 4555N 5715W to 4720N 5850W to Newfoundland
near 4720N 5515W. Sea ice north and west of the ice edge.

Ice Coverage

Ice pressure warning in effect.

9 tenths grey ice including 1 tenth first-year ice except 9 plus
tenths grey-white ice including 2 tenths first-year ice along the
Prince Edward Island coast. Strong ice pressure today easing
overnight in the pack ice.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM AST 20 February 2019 Tonight and Thursday At 8:00 p.m. AST tonight ridge located over the western Marine
District.
By 10:00 a.m. AST Thursday ridge located from Anticosti Island to
East Scotian Slope.

At 10:00 a.m. AST Thursday low 1007 mb located west of Georges Bank.
By 8:00 p.m. AST Thursday low 998 mb located over East Scotian
Slope.

Marine Weather Statement

Issued 7:51 PM AST 20 February 2019 A ridge of high pressure west of the Maritimes will gradually build
across the district tonight and Thursday. Gale force northwesterlies
ahead of the ridge will diminish from west to east as it nears the
region. Meanwhile a low pressure system will approach southwestern
waters Thursday morning and will move to lie over East Scotian Slope
Thursday evening. Winds will strengthen to strong to gale force
southeasterlies ahead of the low then shift to strong to gale force
westerlies in its wake.

Gale warnings are in effect for Georges Bank, West Scotian Slope,
eastern shore - eastern half, Sable - eastern half, East Scotian
Slope, Fourchu, Banquereau, Laurentian Fan, Cabot Strait and
Gulf-Magdalen - northeastern half.

Marine interests are also advised that freezing spray warnings are in
effect for southwestern shore, LaHave Bank, eastern shore, Sable,
East Scotian Slope, Fourchu, Banquereau, Laurentian Fan, Cabot
Strait, Gulf Magdalen - northeastern half, and Anticosti.

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