Northumberland Strait - western half
Forecast
Marine Forecast
Issued 03:00 AM ADT 24 April 2026
Today Tonight and Saturday.
Strong wind warning in effect.
Wind light becoming northeast 10 to 15 knots this morning then backing to northwest 15 early this evening. Wind increasing to northerly 20 overnight then diminishing to northwest 15 Saturday evening.
Scattered flurries or showers.
Temperatures zero rising to plus 5 Saturday evening.
Extended Forecast
Issued 03:00 AM ADT 24 April 2026
Sunday
Wind north 15 knots.
Monday
Wind northeast 10 to 15 knots.
Tuesday
Wind east 15 knots.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 23 April 2026 Today Tonight and FridayIce Edge
Ice edge estimated from Cape Breton Island near 4702N 6025W to 4746N6117W to 4730N 6400W to 4900N 6330W to 4845N 6145W to 5045N 5800W to
4830N 5930W to Newfoundland near 4806N 5905W. Sea ice southwest then
north of the ice edge.
Ice Coverage
Open water.
Warnings
Warnings (In effect)
Strong wind warning in effect
Northumberland Strait - western half
Issued 03:00 AM ADT 24 April 2026'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 24 April 2026 Today Tonight and Saturday At 3:00 a.m. ADT today low 982 mb located southeast of LaurentianFan.
By 3:00 a.m. ADT Saturday low 978 mb located over the Grand Banks.
At 8:00 p.m. ADT Saturday departing low 986 mb located over the
northern Grand Banks.
Marine Weather Statement
Issued 2:40 AM ADT 24 April 2026 A low pressure system southeast of Laurentian Fan will track slowlynorthward across the Grand Banks today and Saturday. Strong to gale
force northerlies are expected over eastern waters today. Strong
northwesterlies are expected over most waters tonight and Saturday.
Marine interests are advised that a gale warning is in effect for
Laurentian Fan - southeastern half.
St. Lawrence - St. Lawrence River Area
- Anticosti - eastern half
- Anticosti - western 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
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- Date modified:
ATOM