Northumberland Strait - western half
Forecast
Marine Forecast
Issued 03:00 AM ADT 27 April 2025
Today Tonight and Monday.
Strong wind warning in effect.
Wind variable 15 knots increasing to north 25 near noon and to north 30 Monday morning. Wind diminishing to north 20 Monday afternoon and to northeast 15 Monday evening.
Periods of rain ending near noon Monday. Fog patches dissipating this evening.
Extended Forecast
Issued 03:00 AM ADT 27 April 2025
Tuesday
Wind light increasing to southerly 20 to 25
knots in the afternoon.
Wednesday
Wind southwest 20 to 25 knots veering to
northwest 25.
Thursday
Wind northwest 25 to 35 knots diminishing to
northwest 15.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 26 April 2025 Today Tonight and SundayIce Edge
First ice edge estimated from Quebec near 4832N 6412W to 4835N 6404Wto 4844N 6402W to Quebec near 4851N 6412W. Sea ice west of the ice
edge.
Second ice edge estimated from Quebec near 5011N 6057W to 4955N
6023W to 5107N 5730W to Newfoundland near 5029N 5728W. Sea ice north
then east of the ice edge.
Ice Coverage
Ice free.
Warnings
Warnings (In effect)
Strong wind warning in effect
Northumberland Strait - western half
Issued 03:00 AM ADT 27 April 2025'Strong' winds of 20 to 33 knots are 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 3:00 AM ADT 27 April 2025 Today Tonight and Monday At 3:00 a.m. ADT today low 1002 mb located over the Gulf of Maine.By 3:30 p.m. ADT today low 1000 mb located over Grand Manan.
At 8:00 p.m. ADT tonight low 1002 mb located near Lurcher.
By 3:30 p.m. ADT Monday low 1006 mb located over Fourchu.
Marine Weather Statement
Issued 2:47 AM ADT 27 April 2025 A low pressure system is slowly tracking eastward across theMaritimes today. Strong to gale force southerlies ahead of the system
will move east of the marine district tonight while strong to near
gale force northerlies will build on Monday in its wake.
Marine interests are advised that gale warnings are in effect for
Cabot Strait - northern half and Gulf-Magdalen - eastern half.
St. Lawrence - St. Lawrence River Area
- Anticosti - northwestern half
- Anticosti - southeastern 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 - western 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
Another Region
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