Laurentian Fan
Forecast
Marine Forecast
Issued 03:30 PM ADT 18 April 2025
Tonight and Saturday.
Wind westerly 15 knots backing to southwest 20 Saturday morning then increasing to southwest 30 Saturday evening.
Waves
Issued 05:00 PM ADT 18 April 2025
Tonight and Saturday.
Seas 2 to 3 metres subsiding to 1 to 2 near midnight then
building to 2 to 3 Saturday evening.
Extended Forecast
Issued 03:30 PM ADT 18 April 2025
Sunday
Wind west 25 to 35 knots.
Monday
Wind northwest 35 to 45 knots.
Tuesday
Wind northwest 30 knots diminishing to west 15
late in the day.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 18 April 2025 Today Tonight and SaturdayIce Edge
First ice edge estimated from New Brunswick near 4700N 6449W to4831N 6351W to Quebec near 4851N 6412W. Sea ice west of the ice
edge.
Second ice edge estimated from Quebec near 4904N 6646W to 5005N
6518W to 4936N 5930W to Newfoundland near 5022N 5732W. Sea ice north
of the ice edge.
Ice Coverage
Ice free.
Iceberg Bulletin
Issued 4:39 PM EDT 18 April 2025Iceberg Limit
Iceberg limit at 0000 UTC 19 Apr estimated from Newfoundland near4731N 5444W to 4125N 5145W to 4210N 4800W to 4645N 3750W to 5350N
4430W to 5915N 5605W to 6035N 5500W to 5900N 4930W then eastwards.
Western iceberg limit at 0000 UTC 19 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.
Iceberg Count
No confirmed icebergs.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:30 PM ADT 18 April 2025 Tonight and Saturday At 3:30 p.m. ADT today weakening low 998 mb located over northernLabrador.
At 3:30 p.m. ADT today ridge located from Georges Bank to New
Brunswick.
By 3:00 a.m. ADT Saturday ridge located south of the Marine
District.
At 3:00 a.m. ADT Saturday low 1003 mb located over the Great Lakes.
By 8:00 p.m. ADT Saturday low 1000 mb located over the Gaspe
Peninsula.
Marine Weather Statement
Issued 3:17 PM ADT 18 April 2025 A ridge of high pressure approaching from the west will move to lieover the southern marine district Saturday. Meanwhile a trough of low
pressure will move to lie over the Gaspé Peninsula by Saturday
evening. Strong to gale force southwesterlies will develop across the
district Saturday in between these two features.
Marine interests are advised that gale warnings are in effect for
Browns Bank, Georges Bank, LaHave Bank, West Scotian Slope, eastern
shore - eastern half, Sable, East Scotian Slope and Fourchu.
Atlantic - Newfoundland Area
- Anticosti - eastern half
- Anticosti - western half
- Banquereau
- Belle Isle Bank
- Bras d'Or Lakes
- Cabot Strait - northern half
- Cabot Strait - southern half
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore - eastern half
- East Coast
- Fourchu
- Funk Island Bank
- Gulf - Magdalen - northern half
- Gulf - Magdalen - southern half
- Gulf - Port au Port
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