Donnacona to Beauport
Forecast
Marine Forecast
Issued 03:00 AM EDT 15 July 2026
Today Tonight and Thursday.
Strong wind warning in effect.
Wind light increasing to west 10 to 15 knots early this morning and to west 15 to 25 late this morning. Wind diminishing to west 10 to 15 this evening then increasing to northwest 15 to 25 Thursday morning. Wind becoming northwest 15 Thursday evening.
Scattered showers this afternoon. Showers Thursday.
Extended Forecast
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Ice Conditions
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Warnings
Warnings (In effect)
Strong wind warning in effect
Donnacona to Beauport
Issued 06:17 AM EDT 15 July 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.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 15 July 2026 Today Tonight and Thursday At 3:00 a.m. EDT today quasi-stationary trough located on a linenorth-south over the Gulf of St. Lawrence.
St. Lawrence - St. Lawrence River Area
- Anticosti - eastern half
- Anticosti - western half
- 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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