Issued 10:00 AM AST 12 December 2017
Today Tonight and Wednesday.
Gale warning in effect.
Wind northeast 15 to 20 knots veering to southeast 25 early this afternoon then increasing to easterly 35 this evening. Wind diminishing to southerly 15 to 20 late overnight then veering to southwest 25 Wednesday morning. Wind increasing to southwest 35 Wednesday afternoon.
Chance of flurries changing to periods of rain this afternoon then to a few flurries Wednesday afternoon. Fog patches forming after midnight and dissipating near noon Wednesday.
Temperatures plus 3 rising to plus 10 after midnight then falling to minus 1 Wednesday evening.
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Ice ForecastsIssued 10:00 AM EST 12 December 2017 Today Tonight and Wednesday
Warnings (In effect)
Grand MananIssued 10:00 AM AST 12 December 2017
'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.
Technical Marine SynopsisIssued 10:00 AM AST 12 December 2017 Today Tonight and Wednesday At 10:00 a.m. AST today ridge located over the eastern Maritimes.
By 8:00 p.m. AST tonight departing ridge located northeast of the
At 8:00 p.m. AST tonight deepening low 984 mb located over New
By 8:00 p.m. AST Wednesday low 968 mb located near the St. Lawrence
Marine Weather StatementIssued 9:53 AM AST 12 December 2017 A low pressure system currently over the Great Lakes will intensify
today as it moves to lie over New England this evening. The low will
continue to deepen tonight and Wednesday and will lie near the St.
Lawrence River Wednesday evening. Gale force southeasterlies will
develop ahead of the low and will shift to gale force southwesterlies
in its wake.
Marine interests are advised that gale warnings are in effect for all
Marine interests are also advised that a freezing spray warning is in
effect for Anticosti.
In addition, marine interests are advised that higher than normal
waters levels can be expected at high tide along the Atlantic Coast
of Nova Scotia tonight and again at high tide on Wednesday. Higher
than normal water levels are also expected at high tide over the
Northern Gulf of St. Lawrence on Wednesday.
St. Lawrence - St. Lawrence River Area
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- Cornwall to Montréal
- Donnacona to Beauport
- Grand Manan
- Gulf - Magdalen
- Kingston to Cornwall
- Lake Memphrémagog - northern half
- Lake Nipissing
- Lake Saint-Jean
- 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
- Arctic - Eastern Arctic
- Arctic - Western Arctic
- Atlantic - Labrador
- Atlantic - Maritimes
- Atlantic - Newfoundland
- Great Lakes - Lake Erie and Lake Ontario
- Great Lakes - Lake Huron
- Great Lakes - Lake Superior
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