Issued 08:00 PM AST 18 January 2021
Tonight and Tuesday.
Wind northwest 20 knots diminishing to northwest 15 Tuesday afternoon.
Temperatures plus 4 falling to minus 3 Tuesday morning.
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Ice ForecastsIssued 10:00 AM EST 18 January 2021 Today Tonight and Tuesday
Ice EdgeFirst ice edge estimated from Nova Scotia near 4545N 6240W to Prince
Edward Island near 4600N 6240W. Sea ice west of the ice edge.
Second ice edge estimated from Prince Edward Island near 4625N 6310W
to 4715N 6405W to 4840N 6345W to 4845N 6150W to 5040N 5820W to
Newfoundland near 5035N 5720W. Sea ice west and north of the ice
No watches or warnings in effect.
Technical Marine SynopsisIssued 8:00 PM AST 18 January 2021 Tonight and Tuesday At 8:00 p.m. AST tonight cold front located from Anticosti Island
By 3:30 p.m. AST Tuesday cold front located southeast of the
At 8:00 p.m. AST tonight intensifying low 998 mb located south of
By 10:00 a.m. AST Tuesday departing low 986 mb located over the
northern Grand Banks.
Marine Weather StatementIssued 7:54 PM AST 18 January 2021 A cold front on a northeast to southwest line over Anticosti Island
will move southeastward across the district tonight and Tuesday.
Strong to gale force southwesterlies ahead of the front will veer to
strong northwesterlies behind it. Colder air in the wake of the cold
front will give freezing spray to the Gulf of St. Lawrence waters on
This evening, a low pressure system will approach Laurentian Fan from
the southwest and intensify as it crosses the Grand Banks tonight and
Tuesday. Winds over the southeastern half of Laurentian Fan may reach
gale force this evening.
Marine interests are advised that a gale warning is in effect for
Anticosti. Freezing spray warnings are in effect for Northumberland
Strait, Gulf-Magdalen, Chaleur-Miscou, and Anticosti.
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
What we are doing
Need to travel Alberta Highway 93?
Go prepared with Highway 93 forecasts. Highway regions are available in the Alberta text forecast bulletin between Lake Louise and Jasper. (Photo by: Natalie Anderson)
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