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Northumberland Strait

Warnings

Forecast

Marine Forecast

Issued 03:00 AM AST 21 December 2024

Today Tonight and Sunday.

Gale warning in effect.

Wind northeast 25 knots increasing to northerly 35 early this morning then backing to northwest 45 this afternoon. Wind diminishing to northwest 35 this evening and to northwest 20 to 25 near midnight. Wind northwest 20 to 25 Sunday.

Snow changing to flurries this evening. Visibility 1 mile or less in precipitation.

Freezing spray warning in effect.

Freezing spray over western sections tonight and Sunday.

Temperatures zero falling to minus 9 Sunday morning.

Extended Forecast

Issued 03:00 AM AST 21 December 2024
Monday Wind northwest 20 knots.
Tuesday Wind southwest 15 knots backing to south 20.
Wednesday Wind north 15 to 20 knots diminishing to light.

Ice Forecast

Issued 10:00 AM EST 20 December 2024 Today Tonight and Saturday Open water except 2 tenths new ice along parts of the coasts. 

[ Canadian Ice Service ]

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Map of St. Lawrence - St. Lawrence River marine weather areas Lake Nipissing - 45152 North Bay Airport Beauport Deschambault Île d'Orléans L'Assomption Trois-Rivières Airport L'Isle-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 EST 20 December 2024 Today Tonight and Saturday

Ice Edge

First ice edge estimated from Nova Scotia near 4553N 6155W to Prince
Edward Island near 4626N 6200W. Sea ice west of the ice edge.

Second ice edge estimated from Prince Edward Island near 4627N 6244W
to 4724N 6430W to 4841N 6357W to Gaspe Peninsula near 4852N 6413W.
Sea ice west of the ice edge.

Third ice edge estimated from Gaspe Peninsula near 4912N 6611W to
4947N 6541W to 4903N 6255W to Anticosti Island near 4904N 6216W. Sea
ice northwest then northeast of the ice edge.

Fourth ice edge estimated from Anticosti Island near 4955N 6358W to
4958N 6010W to 5103N 5751W to Newfoundland near 4900N 5830W. Sea ice
north then east of the ice edge.

Ice Coverage

Open water except 2 tenths new ice along parts of the coasts.

Warnings

Warnings (In effect)

Gale warning in effect

Northumberland Strait

Issued 03:00 AM AST 21 December 2024

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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

Northumberland Strait

Issued 03:00 AM AST 21 December 2024

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 21 December 2024 Today Tonight and Sunday At 3:00 a.m. AST today intensifying low 992 mb located over
Georges Bank.
By 8:00 p.m. AST tonight departing low 976 mb located over
southwestern Newfoundland.

At 10:00 p.m. AST tonight approaching ridge from 1036 mb high
located over the Great Lakes.

Marine Weather Statement

Issued 2:42 AM AST 21 December 2024 A low over Georges Bank will move across the marine district today to
lie over Southwestern Newfoundland this evening then will depart.

Gale to storm force winds will prevail today.
Winds will diminish to strong to gale force northwesterlies in the
wake of the low tonight.

Marine interests are advised that storm warnings are in effect for
eastern shore - eastern half. Sable - eastern
Half, Fourchu, Banquereau, Laurentian Fan, Cabot Strait - northern
half, Gulf - Magdalen, and Anticosti - southeastern half.
Gale warnings are in effect for all remaining waters except Chaleur -
Miscou - western half.

Freezing spray warnings are in effect for Fundy, Northumberland
Strait, gulf- Magdalen, Chaleur - Miscou and Anticosti.

Higher than normal water levels are possible along north-facing
coastlines of the Southern Gulf of St. Lawrence during high tide
This afternoon into the evening.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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