Donnacona to Beauport
Forecast
Marine Forecast
Issued 05:46 PM EDT 29 April 2025
Tonight and Wednesday.
Wind southwest 20 to 30 knots with gusts to 45 near thunderstorms. Wind becoming west 20 to 30 near midnight then diminishing to northwest 15 early Wednesday morning. Wind diminishing to light Wednesday evening.
Showers ending after midnight with a risk of thunderstorms. Visibility as low as 1 mile in showers.
Strong wind warning program has ended for the season.
Extended Forecast
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Ice Conditions
There is no ice forecast issued for this area.
Warnings
Watches (In effect)
SQUALL WATCH in effect
Donnacona to Beauport
Issued 5:45 PM EDT 29 April 2025Navigators in or near this marine area should be on the lookout for adverse weather conditions and take necessary safety precautions. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.
Synopsis
Technical Marine Synopsis
Issued 3:00 PM EDT 29 April 2025 Tonight and Wednesday At 3:00 p.m. EDT today departing ridge located from Cape Hatterasto Newfoundland.
At 3:00 p.m. EDT today low 996 mb located over Lake Superior.
By 8:00 p.m. EDT Wednesday low 993 mb located near the Quebec
Lower North Shore.
At 8:00 p.m. EDT tonight high 1021 mb located over Lake Superior.
By 8:00 p.m. EDT Wednesday high 1023 mb located over western Quebec.
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
- 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
- Prescott to Cornwall
- Richelieu River and Northern Lake Champlain
- Saguenay to Tadoussac
- Tadoussac to Pointe à Michel
- Trois-Rivières to Donnacona
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