Northumberland Strait - western half
Issued 03:00 AM ADT 20 March 2023
Today Tonight and Tuesday.
Wind southwest 25 knots veering to west 30 early this morning then diminishing to west 20 this afternoon. Wind diminishing to west 15 overnight except light over western sections. Wind diminishing to light Tuesday morning.
Snow Tuesday evening. Visibility 1 mile or less in snow.
Freezing spray warning in effect.
Over open water freezing spray this morning and this afternoon.
Temperatures near minus 3.
Strong wind warning program has ended for the season.
Zoom-in to make a selection
Ice ForecastsIssued 10:00 AM EDT 19 March 2023 Today Tonight and Monday
Ice EdgeIce edge estimated from Nova Scotia near 4557N 5947W to 4620N 5930W
to 4845N 6230W to 5000N 5845W to 4730N 5940W to Newfoundland near
4711N 5528W. Sea ice west then northeast of the ice edge.
Ice CoverageIce pressure warning in effect.
1 tenth first-year ice except 9 plus tenths first-year ice along the
coasts of New Brunswick and Nova Scotia as well as the northwestern
coast Prince Edward Island. Strong ice pressure developing along
parts of southern Prince Edward Island late this evening and easing
late Monday afternoon.
Warnings (In effect)
Freezing spray warning in effect
Northumberland StraitIssued 03:00 AM ADT 20 March 2023
Moderate 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.
Ice pressure warning in effect
Northumberland Strait - western halfIssued 10:00 AM EDT 19 March 2023
Navigators in this marine area should be on the lookout for hazardous ice conditions and take necessary safety precautions. Please refer to the latest ice forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio stations.
Technical Marine SynopsisIssued 3:00 AM ADT 20 March 2023 Today Tonight and Tuesday At 3:00 a.m. ADT today low 976 mb located over southern Labrador
By 3:00 a.m. ADT Tuesday low 982 mb located east of Newfoundland.
At 3:30 p.m. ADT today ridge located from the East Coast of the
U.S. to West Scotian Slope.
By 3:30 p.m. ADT Tuesday ridge located from the East Coast of the
U.S. to Laurentian Fan.
Marine Weather StatementIssued 2:33 AM ADT 20 March 2023 A low pressure system located near the South Labrador Coast will
slowly move southeastward today and tonight. Strong to gale force
westerlies will persist over the district today. Winds will gradually
start to diminish from west to east overnight tonight and Tuesday as
the low moves farther east of Newfoundland.
Marine interests are advised that gale warnings are in effect for
eastern shore - eastern half, Sable - eastern half, East Scotian
Slope, Fourchu, Banquereau, Laurentian Fan, Cabot Strait, Gulf -
Magdalen, Chaleur - Miscou, and Anticosti.
Marine interests are also advised that freezing spray warnings are in
effect for Fundy, Grand Manan, Cabot Strait, Northumberland Strait,
Gulf - Magdalen, Chaleur - Miscou, and Anticosti.
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
What we are doing
- Date modified: