Laurentian Fan
Forecast
Marine Forecast
Issued 08:00 PM ADT 20 April 2021
Tonight and Wednesday.
Wind northwest 10 to 15 knots backing to westerly 20 after midnight then diminishing to west 15 near noon Wednesday. Wind backing to south 15 Wednesday evening.
Waves
Issued 05:00 PM ADT 20 April 2021
Tonight and Wednesday.
Seas 2 to 3 metres subsiding to 1 to 2 early Wednesday
morning.
Extended Forecast
Issued 03:30 PM ADT 20 April 2021
Thursday
Wind southerly 25 knots increasing to
southeast 40 in the morning then veering to southwest 35 late in the
day.
Friday
Wind southwest 25 to 35 knots.
Saturday
Wind southwest 20 to 25 knots.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 20 April 2021 Today Tonight and WednesdayIce Edge
Ice edge is outside the forecast region.Ice Coverage
Ice free.
Iceberg Bulletin
Issued 2:30 PM EDT 20 April 2021Iceberg Limit
Iceberg limit at 0000 UTC 21 Apr estimated from Newfoundland near4736N 5241W to 4805N 5135W to 5400N 5040W to 5500N 5100W to 6000N
5800W to 6050N 5315W to 5715N 4535W then eastwards.
Western iceberg limit at 0000 UTC 21 Apr estimated from Quebec near
5016N 6058W to Newfoundland near 4845N 5830W.
Iceberg Count
No confirmed icebergs.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 8:00 PM ADT 20 April 2021 Tonight and Wednesday At 8:00 p.m. ADT tonight trough located from Quebec to NewBrunswick.
By 3:00 a.m. ADT Wednesday weakening trough located from Quebec
to the Gulf of St. Lawrence.
At 3:30 p.m. ADT Wednesday low 999 mb located north of Cape Cod.
By 8:00 p.m. ADT Wednesday low 994 mb located over Maine.
Atlantic - Maritimes Area
- Anticosti - eastern half
- Anticosti - western half
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou
- 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
- 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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