Laurentian Fan
Forecast
Marine Forecast
Issued 03:30 PM ADT 17 August 2026
Tonight and Tuesday.
Wind light becoming southerly 15 knots Tuesday morning.
Waves
Issued 05:00 PM ADT 17 August 2026
Tonight and Tuesday.
Seas 1 metre or less building to 1 to 2 early this
evening.
Extended Forecast
Issued 03:30 PM ADT 17 August 2026
Wednesday
Wind southerly 20 knots.
Thursday
Wind southerly 20 knots.
Friday
Wind southwest 15 knots diminishing to light
late in the day.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.Iceberg Bulletin
Issued 2:30 PM EDT 17 August 2026Iceberg Limit
Iceberg limit at 0000 UTC 18 Aug estimated from Newfoundland near4915N 5330W to 4940N 5320W to 5030N 5330W to 6000N 5600W to 6020N
5200W then eastward.
Iceberg Count
No confirmed icebergs.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:30 PM ADT 17 August 2026 Tonight and Tuesday At 3:30 p.m. ADT today trough located from Quebec to Long Island.By 3:00 a.m. ADT Tuesday weakening trough located from Labrador
to New England.
At 3:00 a.m. ADT Tuesday low 1011 mb located south of Cape Cod.
By 8:00 p.m. ADT Tuesday low 1008 mb located near Browns Bank.
At 3:30 p.m. ADT today quasi-stationary ridge located over the
southeastern Marine District.
Atlantic - Maritimes Area
- Anticosti - northwestern half
- Anticosti - southeastern half
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait - northern half
- Cabot Strait - southern half
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore
- East Coast - Cape St. Francis and south
- 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 - eastern half
- 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
- 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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ATOM