Trois-Rivières to Donnacona
Forecast
Marine Forecast
Issued 03:00 AM EDT 20 July 2025
Today Tonight and Monday.
Wind light with gusts to 30 knots near thunderstorms today. Wind becoming northwest 10 to 15 early this evening with gusts to 30 near thunderstorms this evening. Wind becoming north 15 Monday morning then diminishing to light Monday evening.
Showers ending near midnight. Risk of thunderstorms this afternoon and this evening. Visibility as low as 1 mile in showers.
Extended Forecast
Issued 06:00 AM EDT 20 July 2025
Tuesday
Wind light.
Wednesday
Wind light.
Thursday
Wind southwest 15 knots.
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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 AM EDT 20 July 2025 Today Tonight and Monday At 3:00 a.m. EDT today trough located on a line northeast-southwestover northwestern Quebec.
By 8:00 p.m. EDT Monday trough located on a line northeast-southwest
over Newfoundland.
At 3:00 a.m. EDT today high located on a line north-south over
Manitoba.
By 8:00 p.m. EDT Monday high located on a line north-south over
Lake Ontario.
St. Lawrence - St. Lawrence River Area
- Anticosti
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- Cornwall to Montréal
- Donnacona to Beauport
- Fundy
- Grand Manan
- Gulf - Magdalen
- 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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