Northumberland Strait
Forecast
Marine Forecast
Issued 03:30 PM ADT 18 April 2026
Tonight and Sunday.
Strong wind warning in effect.
Wind southeast 15 to 20 knots increasing to southeast 20 to 25 this evening. Wind southeast 20 to 25 Sunday.
Showers Sunday. Fog patches forming Sunday morning.
Extended Forecast
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 18 April 2026 Today Tonight and SundayIce Edge
First ice edge estimated from Cape Breton Island near 4702N 6025W to4745N 6115W to Gaspe Peninsula near 4846N 6410W. Sea ice southwest
of the ice edge.
Second ice edge estimated from Quebec near 4838N 6811W to 5005N
6600W to 4945N 6015W to Newfoundland near 4806N 5905W. Sea ice north
of the ice edge.
Ice Coverage
Open water except 1 tenth first-year ice near parts of the Prince
Edward Island coast. Consolidated rotten first-year ice along parts
of the Prince Edward Island coast.
Warnings
Warnings (In effect)
Strong wind warning in effect
Northumberland Strait
Issued 3:30 PM ADT 18 April 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 3:30 PM ADT 18 April 2026 Tonight and Sunday At 3:30 p.m. ADT today low 1012 mb located southwest of GeorgesBank.
By 3:00 a.m. ADT Sunday dissipating low located near Browns Bank.
At 3:30 p.m. ADT today ridge located over Newfoundland.
By 8:00 p.m. ADT tonight ridge located east of the Avalon Peninsula.
At 10:00 a.m. ADT Sunday trough located from Quebec to New England.
By 8:00 p.m. ADT Sunday trough located from Labrador to the Gulf
of Maine.
Marine Weather Statement
Issued 4:23 PM ADT 18 April 2026 A trough of low pressure extending from a low over Northern Quebecwill slowly approach the marine district tonight and Sunday.
Increasing southerly winds will reach strong to gale force across the
region ahead of the trough on Sunday.
Marine interests are advised that a gale warning is in effect for
Cabot Strait - northern half.
Atlantic - Maritimes Area
- Anticosti - eastern half
- Anticosti - western half
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait - northern half
- Cabot Strait - southern half
- Chaleur - Miscou
- Eastern Shore
- East Coast - Cape St. Francis and south
- East Scotian Slope
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan
- Lurcher
- L'Isle-aux-Coudres to Tadoussac
- Northumberland Strait
- Pointe à Michel to Pointe-des-Monts
- Pointe-des-Monts to Anticosti - northern half
- Pointe-des-Monts to Anticosti - southern half
- Sable
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
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- Date modified:
ATOM