Northumberland Strait
Forecast
Marine Forecast
Issued 08:00 PM ADT 19 April 2025
Tonight and Sunday.
Gale warning in effect.
Wind southerly 20 knots diminishing to southwest 15 near midnight then increasing to west 30 Sunday morning. Wind increasing to northwest 35 Sunday afternoon.
Showers ending Sunday afternoon. Fog patches dissipating Sunday morning.
Extended Forecast
Issued 04:01 PM ADT 19 April 2025
Monday
Wind northwest 25 to 35 knots.
Tuesday
Wind light becoming southeast 15 knots late in
the day.
Wednesday
Wind east 10 to 15 knots diminishing to
light.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 19 April 2025 Today Tonight and SundayIce Edge
First ice edge estimated from New Brunswick near 4700N 6449W to4836N 6358W to Quebec near 4851N 6412W. Sea ice west of the ice
edge.
Second ice edge estimated from Quebec near 5013N 6023W to 4956N
5932W to Newfoundland near 5022N 5732W. Sea ice north of the ice
edge.
Ice Coverage
Ice free.
Warnings
Warnings (In effect)
Gale warning in effect
Northumberland Strait
Issued 8:00 PM ADT 19 April 2025'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 8:00 PM ADT 19 April 2025 Tonight and Sunday At 8:00 p.m. ADT tonight low 1003 mb located over Maine.By 3:00 a.m. ADT Sunday intensifying low 1000 mb located near the
Gaspe Peninsula.
At 10:00 a.m. ADT Sunday low 996 mb located over the northeastern
Gulf of St. Lawrence.
By 8:00 p.m. ADT Sunday low 983 mb located over Newfoundland.
Marine Weather Statement
Issued 7:23 PM ADT 19 April 2025 A low pressure system over Maine will move to lie over the GaspéPeninsula overnight tonight. The low will then intensify on Sunday as
it moves slowly eastward across the Northern Gulf of St. Lawrence.
Winds will be strong to gale force southwesterlies over southern
waters tonight. On Sunday, winds will become strong to gale force
west or northwesterlies over the entire marine district as the low
intensifies.
On Sunday evening, winds over most of the Gulf of St. Lawrence are
forecast to increase to gale to possibly storm force northwesterlies.
Marine interests are advised that gale warnings are in effect for all
waters.
Atlantic - Maritimes Area
- Anticosti - northeastern half
- Anticosti - southwestern half
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore - eastern half
- Eastern Shore - western half
- East Coast
- East Scotian Slope
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan
- Lurcher
- L'Isle-aux-Coudres to Tadoussac
- Northumberland Strait
- Pointe à Michel to Pointe-des-Monts
- Pointe-des-Monts to Anticosti - northern half
- Pointe-des-Monts to Anticosti - southern half
- Sable
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
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