Chaleur - Miscou - western half
Issued 10:00 AM ADT 31 March 2023
Today Tonight and Saturday.
Wind northwest 15 knots becoming variable 15 this afternoon then diminishing to light early this evening. Wind becoming southerly 15 late overnight then backing to southeast 15 Saturday morning. Wind increasing to southeast 20 Saturday afternoon then diminishing to variable 15 Saturday evening.
Snow early Saturday evening becoming rain or snow. Visibility 1 mile or less in precipitation.
Temperatures near minus 2.
Strong wind warning program has ended for the season.
Issued 03:00 AM ADT 31 March 2023
Sunday Wind west 20 knots increasing to northwest 35 in the afternoon.
Monday Wind northwest 35 knots diminishing to west 20.
Tuesday Wind southwest 15 knots becoming variable 15.
Issued 10:00 AM EDT 31 March 2023 Today Tonight and Saturday Open water except 7 tenths first-year ice in the eastern section. Consolidated first-year ice along parts of the coast.
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Ice ForecastsIssued 10:00 AM EDT 31 March 2023 Today Tonight and Saturday
Ice EdgeIce edge estimated from Nova Scotia near 4616N 6006W to 4658N 6010W
to 4845N 6230W to 4958N 5915W to 4733N 5932W to 4727N 5823W to
Newfoundland near 4740N 5815W. Sea ice west then northeast of the
Open water except 7 tenths first-year ice in the eastern section.
Consolidated first-year ice along parts of the coast.
No watches or warnings in effect.
Technical Marine SynopsisIssued 10:00 AM ADT 31 March 2023 Today Tonight and Saturday At 10:00 a.m. ADT today trough located on a line northwest-southeast
over Cape Breton Island.
By 8:00 p.m. ADT tonight departing trough located over Laurentian
Fan extending southeastward.
At 3:30 p.m. ADT today ridge located on a line north-south over
the Gulf of Maine.
By 3:30 p.m. ADT Saturday departing ridge located on a line
north-south over eastern Newfoundland.
At 10:00 a.m. ADT Saturday warm front located from the Great Lakes
to Browns Bank.
By 8:00 p.m. ADT Saturday warm front located from the St. Lawrence
River to Laurentian Fan.
Marine Weather StatementIssued 9:29 AM ADT 31 March 2023 A trough of low pressure over the eastern marine district will move
to lie over the Southern Grand Banks this evening. Strong
southeasterlies ahead of the trough become strong to gale force
northwesterlies in its wake. These gales will begin to diminish this
afternoon or evening as a ridge of high pressure approaches from the
On Saturday a warm front will cross the marine district. Winds will
increase to strong southeasterlies ahead of the front and become gale
to possible storm force southwesterlies south of it.
Marine interests are advised that gale warnings are in effect for
Grand Manan, Lurcher, Browns Bank, Georges Bank, southwestern shore,
LaHave Bank, West Scotian Slope, eastern shore, Sable, East Scotian
Slope, and Laurentian Fan.
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
- Grand Manan
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern half
- 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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