Trois-Rivières to Donnacona
Forecast
Marine Forecast
Issued 03:00 PM EDT 21 June 2025
Tonight and Sunday.
Wind light becoming southwest 15 knots after midnight then diminishing to light Sunday afternoon.
Showers overnight and Sunday morning with a risk of thunderstorms. Visibility as low as 1 mile in showers.
Extended Forecast
Issued 06:00 PM EDT 21 June 2025
Monday
Wind light increasing to southwest 15 to 25
knots in the afternoon.
Tuesday
Wind southwest 10 to 20 knots.
Wednesday
Wind northwest 15 knots veering to northeast
10 to 15 late in the day.
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Weather Conditions
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Ice Conditions
There is no ice forecast issued for this area.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 PM EDT 21 June 2025 Tonight and Sunday At 3:00 p.m. EDT today departing low 995 mb located off Labrador.At 3:00 p.m. EDT today ridge located from Hudson Bay to Maine.
By 8:00 p.m. EDT Sunday weakening ridge located on a line
north-south over Newfoundland.
At 8:00 p.m. EDT tonight low located south of James Bay.
By 8:00 p.m. EDT Sunday weakening low located over New Brunswick.
St. Lawrence - St. Lawrence River Area
- Anticosti - northeastern half
- Anticosti - southwestern 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
- 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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