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Northumberland Strait

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 13 May 2026

Today Tonight and Thursday.

Strong wind warning in effect.

Wind west 20 to 25 knots diminishing to southwest 10 to 15 early this afternoon then backing to southeast 15 Thursday morning.

Showers overnight and Thursday morning.

Extended Forecast

Issued 03:00 AM ADT 13 May 2026
Friday Wind northeasterly 15 knots.
Saturday Wind northwest 15 to 20 knots backing to southwest 15 to 20.
Sunday Wind southwest 20 knots veering to northwest 20 late in the day.

Ice Forecast

Issued 10:00 AM EDT 13 May 2026 Today Tonight and Thursday Ice free. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of St. Lawrence - St. Lawrence River marine weather areas Miramichi North Cape Port Menier Roberval Airport Normandin Mistook Jonquière CFB Bagotville Cap-Chat Île Bicquette Charlo North Bay Airport Yarmouth Airport Brier Island St. Stephen Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac Kouchibouguac Grand Manan Fundy Park (Alma) Bas Caraquet Bathurst Airport Lac Saint-Pierre Pointe-Noire Île d'Orléans Pointe-des-Monts L'Assomption Sept-Îles Airport Pointe Claveau Pointe de l'Islet Trois-Rivières Airport L'Isle-aux-Grues Deschambault Île Rouge Montréal-Trudeau Int'l Airport Montréal Metropolitain Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Cap-Rouge Saint-Anicet Baie-Comeau Airport La Pocatière Pointe-au-Père New Carlisle Mont-Joli Airport Gaspé Airport Lake Nipissing - 45152 Rivière-la-Madeleine Beauport Cap-d'Espoir
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 13 May 2026 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Quebec near 5012N 6046W to 4956N 6025W to
4956N 5959W to 5116N 5738W to Quebec near 5125N 5736W. Sea ice north
of the ice edge.

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Strong wind warning in effect

Northumberland Strait

Issued 10:00 AM ADT 13 May 2026

'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 13 May 2026 Today Tonight and Thursday At 10:00 a.m. ADT today departing low 990 mb located north of
Newfoundland.

At 3:00 a.m. ADT Thursday deepening low 1006 mb located southwest
of the Marine District.
By 8:00 p.m. ADT Thursday low 1000 mb located near Georges Bank.

At 10:00 a.m. ADT today ridge located over the western Marine
District.
By 3:00 a.m. ADT Thursday ridge located from Anticosti Island to
Laurentian Fan.

Marine Weather Statement

Issued 9:41 AM ADT 13 May 2026 A low pressure system North Newfoundland will continue tracking
northeastward today departing the region. Strong to gale force
westerly winds behind the system will diminish as it moves further
away from the region.

A second low pressure system will approach the marine district from
the southwest on Thursday. Increasing easterly winds throughout the
day will reach strong to gale force across southern waters north of
the low.

Marine interests are advised that gale warnings are in effect for
Georges Bank, LaHave Bank, West Scotian Slope, East Scotian Slope and
Banquereau - northeastern half.

St. Lawrence - St. Lawrence River Area

Another Region

Marine Weather for Canada

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