Cornwall to Montréal
Forecast
Marine Forecast
Issued 03:00 AM EST 10 December 2019
Today Tonight and Wednesday.
Gale warning in effect.
Wind southerly 15 to 25 knots increasing to southwest 25 to 35 early this morning then diminishing to westerly 15 to 25 this afternoon. Wind diminishing to northwest 10 to 15 this evening then becoming light near midnight. Wind increasing to southwest 15 to 25 Wednesday afternoon.
Periods of rain ending this afternoon. Flurries Wednesday late in the day. Visibility 1 mile or less in flurries.
High today plus 9. Low tonight minus 12. High Wednesday minus 4.
Extended Forecast
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Ice Conditions
Warnings
Warnings (In effect)
Gale warning in effect
Cornwall to Montréal
Issued 03:00 AM EST 10 December 2019'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. 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 AM EST 10 December 2019 Today Tonight and Wednesday At 3:00 a.m. EST today low 988 mb located north of Lake Saint-Jean.By midnight EST tonight departing low 979 mb located over Labrador
Sea.
At 3:00 a.m. EST today cold front from low located on a line
northeast-southwest over Lake Erie.
By midnight EST tonight departing cold front from low located on
a line northeast-southwest over the Gulf of St. Lawrence.
At midnight EST tonight ridge located on a line north-south over
Lake Ontario.
By 7:00 p.m. EST Wednesday ridge located on a line north-south
over Pointe-des-Monts.
At 1:00 p.m. EST Wednesday trough located on a line
northeast-southwest over Lake Huron.
By 7:00 p.m. EST Wednesday trough located on a line
northeast-southwest over Lake Ontario.
St. Lawrence - St. Lawrence River Area
- Anticosti - eastern half
- Anticosti - western 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
- 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 - western half
- 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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