Issued 03:00 AM ADT 25 October 2021
Today Tonight and Tuesday.
Gale warning in effect.
Wind west 25 to 35 knots becoming northwest 25 this morning then diminishing to northwest 15 near noon. Wind becoming variable 10 to 15 after midnight then increasing to northeast 15 to 20 Tuesday evening.
Scattered showers ending this afternoon.
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Ice ForecastsIssued 10:00 AM EDT 25 April 2021
Forecasts available to mariners upon request.
Warnings (In effect)
Northumberland StraitIssued 03:00 AM ADT 25 October 2021
'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.
Technical Marine SynopsisIssued 3:00 AM ADT 25 October 2021 Today Tonight and Tuesday At 3:00 a.m. ADT today low 986 mb located northeast of Newfoundland.
By 10:00 a.m. ADT today departing low 986 mb located east of
By 3:30 p.m. ADT Tuesday approaching trough from 985 mb low located
southwest of Georges Bank.
At 3:00 a.m. ADT today ridge located on a line northwest-southeast
over the Gulf of Maine.
By 3:00 a.m. ADT Tuesday weakening ridge located on a line
northwest-southeast over Nova Scotia.
Marine Weather StatementIssued 2:44 AM ADT 25 October 2021 Strong to gale force westerly to northwesterly winds over most of the
region will slowly diminish today as a low northeast of Newfoundland
pulls out to sea.
On Tuesday, a second low pressure system will intensify southeast of
Cape Cod, with a trough extending well to its east. This trough will
approach the southwestern marine district causing gale to storm force
easterly winds late on Tuesday for western waters. These gale to
storm force winds will likely affect all southern waters on
Marine interest are advised that storm warnings are in effect for
Georges Bank and West Scotian Slope. Gale warnings are in effect for
all remaining waters except Chaleur - Miscou - western half and
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
- Grand Manan
- Gulf - Magdalen
- Kingston to Cornwall
- Lake Memphrémagog - northern half
- Lake Nipissing
- Lake Saint-Jean
- L'Isle-aux-Coudres to Tadoussac
- Montréal to Trois-Rivières
- Northumberland Strait
- 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
- Arctic - Eastern Arctic
- Arctic - Western Arctic
- Atlantic - Labrador
- Atlantic - Maritimes
- Atlantic - Newfoundland
- Great Lakes - Lake Erie and Lake Ontario
- Great Lakes - Lake Huron
- Great Lakes - Lake Superior
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