Northumberland Strait - western half
Forecast
Marine Forecast
Issued 08:00 PM ADT 15 March 2026
Tonight and Monday.
Wind light increasing to southeast 15 knots early Monday morning and to southeast 20 to 25 near noon Monday. Wind veering to south 30 early Monday evening.
Rain and fog patches Monday evening.
Temperatures minus 2 rising to plus 6 Monday evening.
Strong wind warning program has ended for the season.
Extended Forecast
Issued 03:30 PM ADT 15 March 2026
Tuesday
Wind south 35 knots diminishing to southwest
25 late in the day.
Wednesday
Wind west 25 knots diminishing to west 15
late in the day.
Thursday
Wind southerly 15 knots.
Ice Forecast
Issued 10:00 AM EDT 15 March 2026 Today Tonight and Monday 7 tenths first-year ice. Consolidated first-year ice along parts of
the coasts.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 15 March 2026 Today Tonight and MondayIce Edge
Ice edge estimated from Nova Scotia near 4437N 6325W to 4419N 6258Wto 4602N 5807W to Newfoundland near 4740N 5814W. Sea ice north of
the ice edge.
Ice Coverage
7 tenths first-year ice. Consolidated first-year ice along parts of
the coasts.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 8:00 PM ADT 15 March 2026 Tonight and Monday At 8:00 p.m. ADT tonight ridge located from New Brunswick to EastScotian Slope.
By 10:00 a.m. ADT Monday departing ridge located over the eastern
Marine District.
At 10:00 a.m. ADT Monday low 988 mb located over the Great Lakes.
By 8:00 p.m. ADT Monday low 988 mb located over southern Quebec.
Marine Weather Statement
Issued 8:02 PM ADT 15 March 2026 A low pressure system near the Great Lakes Monday morning will moveeastward throughout the day. Increasing southerly winds will reach
gale force across most of the region ahead of the low.
Marine interests are advised that gale warnings are in effect for all
regions except Northumberland Strait - western half and
Chaleur-Miscou.
Marine interests are also advised that a freezing spray warning is in
effect for Anticosti.
St. Lawrence - St. Lawrence River Area
- Anticosti - northern half
- Anticosti - southern half
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Cornwall to Montréal
- Donnacona to Beauport
- Fundy
- Grand Manan
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern half
- 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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