Northumberland Strait - western half
Forecast
Marine Forecast
Issued 10:00 AM AST 18 January 2021
Today Tonight and Tuesday.
Wind southwest 20 to 25 knots diminishing to west 15 early this evening then veering to northwest 20 late overnight. Wind northwest 20 Tuesday.
Flurries tonight and Tuesday. Visibility 1 mile or less in flurries.
Freezing spray warning in effect.
Freezing spray beginning Tuesday morning.
Temperatures zero falling to minus 7 Tuesday afternoon.
Extended Forecast
Ice Forecast
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EST 18 January 2021 Today Tonight and TuesdayIce Edge
First ice edge estimated from Nova Scotia near 4545N 6240W to PrinceEdward 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
edge.
Ice Coverage
Open water except 2 tenths grey ice along parts of the coasts.
Warnings
Warnings (In effect)
Freezing spray warning in effect
Northumberland Strait
Issued 10:00 AM AST 18 January 2021Moderate or severe freezing spray is occurring or expected to occur in this marine area. 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 10:00 AM AST 18 January 2021 Today Tonight and Tuesday At 10:00 a.m. AST today low 981 mb located north of AnticostiIsland.
By 3:00 a.m. AST Tuesday departing low 984 mb located north of
Labrador.
At 3:30 p.m. AST today cold front located from the Gaspe Peninsula
to Maine.
By 3:30 p.m. AST Tuesday cold front located southeast of the
Marine District.
At 8:00 p.m. AST tonight intensifying low 998 mb located south of
Laurentian Fan.
By 10:00 a.m. AST Tuesday departing low 986 mb located over the
Grand Banks.
Marine Weather Statement
Issued 9:37 AM AST 18 January 2021 A low pressure system north of Anticosti Island will moveNorthward to lie over Western Labrador this afternoon. The low will
continue northward tonight. Strong to gale force west to
southwesterlies will slowly diminish today as the low pulls away.
A cold front will move southeastward across the district from the
northwest tonight and Tuesday. Winds will veer to strong
northwesterlies behind the cold front. Colder air in the wake of the
cold front will give freezing spray to the Gulf of St. Lawrence
waters on Tuesday.
Marine interests are advised that gale warnings are in effect for
Georges Bank, West Scotian Slope, eastern shore, Sable, East Scotian
Slope, Fourchu, Banquereau - northwestern half, Cabot Strait,
Gulf Magdalen, and Anticosti.
Freezing spray warnings are in effect for the waters of the Gulf of
St. Lawrence.
St. Lawrence - St. Lawrence River Area
- Anticosti
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- 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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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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