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Gulf - Magdalen

Forecast

Marine Forecast

Issued 03:00 AM AST 27 February 2020

Today Tonight and Friday.

Storm warning in effect.

Wind northeast 15 to 20 knots increasing to northeast 25 early this morning and to east 35 this afternoon with gusts to 55 from Margaree Harbour to Bay St. Lawrence. Wind becoming east 45 to 55 late this evening with gusts to 90 from Margaree Harbour to Bay St. Lawrence. Wind diminishing to southwest 30 Friday morning.

Snow tonight and Friday. Visibility 1 mile or less in snow.

Freezing spray warning in effect.

Over open water freezing spray beginning this morning and ending overnight. Freezing spray beginning Friday afternoon.

Temperatures minus 7 falling to minus 12 this morning then rising to plus 1 Friday morning. Temperatures falling to minus 4 Friday afternoon.

Waves

Issued 05:00 AM AST 27 February 2020

Gulf - Magdalen - northeastern half

Today Tonight and Friday. Mainly ice covered.

Gulf - Magdalen - southwestern half

Today Tonight and Friday. Over open water seas 1 metre or less building to 1 to 2 near noon and to 2 to 3 early this evening. Seas subsiding to 1 to 2 near midnight and to 1 Friday morning.

Extended Forecast

Issued 03:00 AM AST 27 February 2020
Saturday Wind southwest 20 to 25 knots diminishing to southwest 15 to 20 in the afternoon.
Sunday Wind variable 10 to 15 knots increasing to northerly 15 to 20.
Monday Wind northerly 15 to 20 knots diminishing to variable 10 to 15.

Ice Forecast

Issued 10:00 AM EST 26 February 2020 Today Tonight and Thursday 9 tenths grey-white ice including 4 tenths first-year ice. 

[ Canadian Ice Service ]

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Weather Conditions

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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 26 February 2020 Today Tonight and Thursday

Ice Edge

First ice edge estimated from Nova Scotia near 4430N 6335W to 4515N
6055W to 4555N 5935W to 4520N 5830W to 4635N 5750W to 4730N 5830W to
Newfoundland near 4710N 5525W. Sea ice north of the ice edge.

Second ice edge estimated from New Brunswick near 4530N 6515W to
Nova Scotia near 4510N 6445W. Sea ice east of the ice edge.

Ice Coverage

9 tenths grey-white ice including 4 tenths first-year ice.

 

Iceberg Bulletin

Issued 11:00 AM EST 26 February 2020

Iceberg Limit

Iceberg limit at 0000 UTC 26 Feb estimated from Newfoundland near
4730N 5240W to 4730N 4620W to 4855N 4615W to 5400N 5000W to 6000N
5900W to 6220N 5500W to 5800N 4700W then eastwards.

Western iceberg limit at 0000 UTC 26 Feb estimated from the Labrador
coast near 5144N 5626W to Newfoundland near 5130N 5610W.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Storm warning in effect

Gulf - Magdalen

Issued 03:00 AM AST 27 February 2020

'Storm' force winds of 48 to 63 knots are 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.

Freezing spray warning in effect

Gulf - Magdalen

Issued 03:00 AM AST 27 February 2020

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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM AST 27 February 2020 Today Tonight and Friday At 10:00 a.m. AST today intensifying trough from 988 mb low located
from New England to Georges Bank.
By 3:00 a.m. AST Friday trough from 985 mb low located from New
Brunswick to Laurentian Fan.

At 10:00 a.m. AST Friday trough from 986 mb low located on a line
east-west over the northern Gulf of St. Lawrence.

At 3:00 a.m. AST today ridge located on a line northwest-southeast
over eastern Nova Scotia.
By 10:00 a.m. AST today departing ridge located east of Banquereau.

Marine Weather Statement

Issued 2:56 AM AST 27 February 2020 A low pressure system will intensify southeast of the Great Lakes and
approach the district to lie over Maine by this evening. On Friday
the low will move into the Gulf of St. Lawrence. Winds will increase
to gale to storm force easterlies across the district today ahead of
the low then shift to gale force southwesterlies south of the low.

These very strong easterly winds will result in higher than normal
water levels in the Gulf of St Lawrence along east to northeast
facing coastlines of Eastern New Brunswick, Prince Edward Island,
Cape Breton Island and Îles-de-la-Madeleine near high tide this
evening. Ice rafting against these coastlines may also occur.

Marine interests are advised that storm warnings are in effect for
Grand Manan, Lurcher, Browns Bank, eastern shore - eastern half,
Sable - eastern half, Fourchu, Banquereau, Cabot Strait,
Northumberland Strait - eastern half and Gulf-Magdalen. Gale warnings
are in effect for all remaining waters.

Marine interests are also advised that freezing spray warnings are in
effect for Cabot Strait - northern half, Gulf-Magdalen,
Chaleur-Miscou, and Anticosti.

St. Lawrence - St. Lawrence River Area

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