Laurentian Fan
Forecast
Marine Forecast
Issued 10:00 AM ADT 17 July 2025
Today Tonight and Friday.
Wind light increasing to south 10 to 15 knots early this evening and to south 15 to 20 near midnight. Wind veering to southwest 20 Friday afternoon then to westerly 15 Friday evening.
Showers overnight and Friday with a risk of thunderstorms. Fog patches dissipating Friday evening.
Waves
Issued 05:00 AM ADT 17 July 2025
Today Tonight and Friday.
Seas 1 metre building to 1 to 2 Friday morning.
Extended Forecast
Issued 03:00 AM ADT 17 July 2025
Saturday
Wind southwest 15 knots diminishing to light
in the morning.
Sunday
Wind light.
Monday
Wind southeast 10 to 15 knots becoming
northerly 10 to 15 late in the day.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.Iceberg Bulletin
Issued 2:30 PM EDT 16 July 2025Iceberg Limit
Iceberg limit at 0000 UTC 17 Jul estimated from Newfoundland near4709N 5256W to 4655N 4455W to 4945N 4250W to 5430N 4920W to 5645N
5340W to 5745N 5405W to 6100N 5310W then eastward.
Iceberg Count
No confirmed icebergs.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:00 AM ADT 17 July 2025 Today Tonight and Friday At 10:00 a.m. ADT today low 1003 mb located near the Great Lakes.By 3:00 a.m. ADT Friday low 995 mb located over the St. Lawrence
River.
At 8:00 p.m. ADT Friday low 988 mb located over Labrador.
Marine Weather Statement
Issued 9:51 AM ADT 17 July 2025 A low pressure system over the Great Lakes will intensify as istracks northeastward along the St. Lawrence River tonight to lie over
Labrador on Friday. Strong southerly winds will veer to strong to
gale force westerly winds on Friday in the wake of the system before
diminishing Friday night.
Marine interests are advised that a gale warning is in effect for
Anticosti.
Atlantic - Newfoundland Area
- Anticosti - northern half
- Anticosti - southern half
- Banquereau
- Belle Isle Bank
- Bras d'Or Lakes
- Cabot Strait
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore
- East Coast - Cape St. Francis and south
- East Coast - north of Cape St. Francis
- Fourchu
- Funk Island Bank
- Gulf - Magdalen
- Gulf - Port au Port - northwestern half
- Gulf - Port au Port - southeastern half
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