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Northumberland Strait

Forecast

Marine Forecast

Issued 10:00 AM ADT 29 July 2021

Today Tonight and Friday.

Strong wind warning in effect.

Wind southwest 10 to 15 knots increasing to southwest 20 late overnight then backing to southeast 25 Friday afternoon.

Periods of rain and fog patches Friday afternoon and evening with a risk of thunderstorms.

Extended Forecast

Issued 03:00 AM ADT 29 July 2021
Saturday Wind westerly 30 knots.
Sunday Wind westerly 20 to 25 knots diminishing to southwest 15.
Monday Wind variable 10 to 15 knots.

Ice Forecast

Issued 10:00 AM EDT 25 April 2021 Forecasts available to mariners upon request. 

[ Canadian Ice Service ]

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Weather Conditions

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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 EDT 25 April 2021

Ice Coverage

Forecasts available to mariners upon request.

Warnings

Warnings (In effect)

Strong wind warning in effect

Northumberland Strait

Issued 10:00 AM ADT 29 July 2021

'Strong' winds of 20 to 33 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.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 29 July 2021 Today Tonight and Friday At 10:00 a.m. ADT today high 1019 mb located over the Gulf of Maine.
By 10:00 a.m. ADT Friday high 1020 mb located over the southern
Grand Banks.

At 8:00 p.m. ADT tonight deepening low 1005 mb located over
southern Quebec.
By 8:00 p.m. ADT Friday low 995 mb located over New Brunswick.

Marine Weather Statement

Issued 9:37 AM ADT 29 July 2021 A low pressure system will approach from the west tonight and is
expected to cross the marine district Friday night. Strong generally
southerly winds ahead of the low will shift to strong westerlies
In its wake. Gale force southwesterlies are expected to develop over
southern waters on Friday afternoon.

Marine interests are advised that gale warnings are in effect for
Georges Bank, West Scotian Slope, and East Scotian Slope.

St. Lawrence - St. Lawrence River Area

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