Laurentian Fan
Forecast
Marine Forecast
Issued 03:30 PM ADT 20 April 2026
Tonight and Tuesday.
Wind westerly 15 knots increasing to north 20 to 25 this evening and to north 30 near noon Tuesday.
Showers. Risk of thunderstorms late this afternoon and this evening. Fog patches dissipating this evening.
Waves
Issued 05:00 PM ADT 20 April 2026
Laurentian Fan - northwestern half
Tonight and Tuesday.
Seas 2 to 3 metres.
Laurentian Fan - southeastern half
Tonight and Tuesday.
Seas 2 metres building to 3 to 4 Tuesday morning.
Extended Forecast
Issued 03:30 PM ADT 20 April 2026
Wednesday
Wind north 20 knots.
Thursday
Wind northwest 20 knots.
Friday
Wind northerly 15 knots.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 20 April 2026 Today Tonight and TuesdayIce Edge
First ice edge estimated from Cape Breton Island near 4702N 6025W to4745N 6115W to Gaspe Peninsula near 4846N 6410W. Sea ice southwest
of the ice edge.
Second ice edge estimated from Quebec near 4920N 6722W to 5005N
6600W to 4945N 6015W to Newfoundland near 4806N 5905W. Sea ice north
of the ice edge.
Ice Coverage
Ice free.
Iceberg Bulletin
Issued 2:30 PM EDT 20 April 2026Iceberg Limit
Iceberg limit at 0000 UTC 21 Apr estimated from Newfoundland near4655N 5400W to 4415N 5210W to 4340N 4630W to 4630N 4415W to 5000N
4425W to 5305N 4755W to 5900N 5500W to 6015N 5245W to 5830N 5000W
then eastward.
Iceberg Count
No confirmed icebergs.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:30 PM ADT 20 April 2026 Tonight and Tuesday At 3:30 p.m. ADT today trough located from Labrador to LaurentianFan.
By 8:00 p.m. ADT tonight departing trough located east of the
Marine District.
At 8:00 p.m. ADT tonight building ridge located over the western
Marine District.
By 8:00 p.m. ADT Tuesday ridge located over the Maritimes.
Marine Weather Statement
Issued 3:19 PM ADT 20 April 2026 A trough of low pressure located from Labrador to Laurentian Fan thisafternoon will continue to track eastward to lie east of the marine
district by this evening. Strong to gale force northwesterlies in its
wake will ease this evening.
Marine interests are advised that a gale warning is in effect for
Anticosti - southwestern half.
Atlantic - Maritimes Area
- Anticosti - northeastern half
- Anticosti - southwestern half
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait - northern half
- Cabot Strait - southern half
- Chaleur - Miscou
- Eastern Shore
- East Coast - Cape St. Francis and south
- East Scotian Slope - northwestern half
- East Scotian Slope - southeastern half
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen - eastern half
- Gulf - Magdalen - western half
- 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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- Date modified:
ATOM