Northumberland Strait - western half
Forecast
Marine Forecast
Issued 08:00 PM ADT 16 May 2026
Tonight and Sunday.
Strong wind warning in effect.
Wind southwest 15 to 20 knots veering to northwest 25 Sunday afternoon.
Extended Forecast
Issued 03:30 PM ADT 16 May 2026
Monday
Wind northwest 25 knots diminishing to variable
10 to 15 late in the day.
Tuesday
Wind variable 10 to 15 knots.
Wednesday
Wind variable 10 to 15 knots.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 16 May 2026 Today Tonight and SundayIce Edge
Ice edge estimated from Quebec near 5108N 5835W to 5104N 5812W to5116N 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 - western half
Issued 8:00 PM ADT 16 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 8:00 PM ADT 16 May 2026 Tonight and Sunday At 8:00 p.m. ADT tonight ridge located southwest of the MarineDistrict.
By 10:00 a.m. ADT Sunday ridge located southeast of the Marine
District.
At 3:00 a.m. ADT Sunday trough located over the St. Lawrence River.
By 8:00 p.m. ADT Sunday trough located over Newfoundland.
Marine Weather Statement
Issued 7:43 PM ADT 16 May 2026 A trough of low pressure will cross the marine district on Sunday.Strong southwesterlies ahead of the trough will increase to strong to
gale force northwesterlies in its wake.
Marine interests are advised that gale warnings are in effect for
Gulf-Magdalen - northeastern half and Anticosti.
St. Lawrence - St. Lawrence River Area
- Anticosti - eastern half
- Anticosti - western half
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Cornwall to Montréal
- Donnacona to Beauport
- Fundy
- Grand Manan
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern half
- Kingston to Cornwall
- Lake Memphrémagog - northern half
- Lake Nipissing
- Lake Saint-Jean
- Lurcher
- L'Isle-aux-Coudres to Tadoussac
- Montréal to Trois-Rivières
- Northumberland Strait - western half
- Pointe à Michel to Pointe-des-Monts
- Pointe-des-Monts to Anticosti - northern half
- Pointe-des-Monts to Anticosti - southern half
- Richelieu River and Northern Lake Champlain
- Saguenay to Tadoussac
- Tadoussac to Pointe à Michel
- Trois-Rivières to Donnacona
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- Date modified:
ATOM