Issued 03:30 PM ADT 25 May 2022
Tonight and Thursday.
Wind southwest 15 knots increasing to southerly 15 to 20 Thursday afternoon.
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Ice ForecastsIssued 10:00 AM EDT 18 May 2022
Forecasts available to mariners upon request.
No watches or warnings in effect.
Technical Marine SynopsisIssued 3:30 PM ADT 25 May 2022 Tonight and Thursday At 3:30 p.m. ADT today ridge located from Cape Cod to the Avalon
By 8:00 p.m. ADT tonight quasi-stationary ridge located from Long
Island to the Grand Banks.
At 3:30 p.m. ADT today trough located from Labrador to the
St. Lawrence River.
By 3:00 a.m. ADT Thursday departing trough located on a line
northeast-southwest over Newfoundland.
At 8:00 p.m. ADT Thursday approaching low 1004 mb located south
of James Bay.
St. Lawrence - St. Lawrence River Area
- 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 - northwestern half
- Kingston to Cornwall
- Lake Memphrémagog - northern half
- Lake Nipissing
- Lake Saint-Jean
- 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
- 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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