Gulf - Magdalen - southwestern half
Forecast
Marine Forecast
Issued 10:00 AM ADT 21 April 2026
Today Tonight and Wednesday.
Wind northwest 10 to 15 knots diminishing to light near noon then becoming southeast 10 to 15 Wednesday afternoon.
Temperatures near minus 2.
Waves
Issued 05:00 AM ADT 21 April 2026
Today Tonight and Wednesday.
Seas 1 to 2 metres subsiding to 1 or less near
noon.
Extended Forecast
Issued 03:00 AM ADT 21 April 2026
Thursday
Wind northwest 15 knots.
Friday
Wind variable 10 to 15 knots increasing to
northeast 25.
Saturday
Wind northerly 25 knots.
Ice Forecast
Issued 10:00 AM EDT 21 April 2026 Today Tonight and Wednesday Open water. Consolidated rotten first-year ice along parts of the
Magdalen Islands coast.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 21 April 2026 Today Tonight and WednesdayIce 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
6558W to 4841N 6158W to 4957N 6006W to 4935N 5822W to 4836N 5937W to
Newfoundland near 4806N 5905W. Sea ice north of the ice edge.
Ice Coverage
Open water. Consolidated rotten first-year ice along parts of the
Magdalen Islands coast.
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 10:00 AM ADT 21 April 2026 Today Tonight and Wednesday At 10:00 a.m. ADT today building ridge located over the westernMarine District.
By 3:30 p.m. ADT Wednesday quasi-stationary ridge located from
Anticosti Island to Browns Bank.
At 8:00 p.m. ADT tonight low 1004 mb located south of Laurentian
Fan.
By 3:30 p.m. ADT Wednesday low 1001 mb located near the Avalon
Peninsula.
Atlantic - Maritimes Area
- Anticosti
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou
- Eastern Shore - eastern half
- Eastern Shore - western half
- East Coast - Cape St. Francis and south
- East Scotian Slope - eastern half
- East Scotian Slope - western half
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern 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 - eastern half
- Sable - western half
- 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