Donnacona to Beauport
Forecast
Marine Forecast
Issued 03:00 PM EST 06 March 2026
Tonight and Saturday.
Wind light increasing to southwest 10 to 20 knots near noon Saturday.
Freezing rain beginning late overnight changing to rain Saturday morning.
Low tonight minus 5. High Saturday plus 8.
Strong wind warning program has ended for the season.
Extended Forecast
Issued 06:00 PM EST 06 March 2026
Sunday
Wind southwest 15 to 25 knots.
Monday
Wind southwest 15 to 25 knots.
Tuesday
Wind southwest 15 knots becoming north 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 EST 6 March 2026 Tonight and Saturday At 3:00 p.m. EST today ridge located on a line northwest-southeastover Sept-Îles.
By 4:00 a.m. EST Saturday departing ridge located on a line
northwest-southeast over the Strait of Belle Isle.
At 7:00 p.m. EST tonight low 1003 mb located west of Lake Michigan.
By 7:00 p.m. EST Saturday low 988 mb located near Lake Saint-Jean.
St. Lawrence - St. Lawrence River Area
- Anticosti - northwestern half
- Anticosti - southeastern 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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- Date modified:
ATOM