Laurentian Fan
Forecast
Marine Forecast
Issued 03:00 AM AST 17 November 2025
Today Tonight and Tuesday.
Gale warning in effect.
Wind southwest 25 knots except south 40 over eastern sections. Wind becoming southwest 35 early this morning then diminishing to southwest 25 overnight. Wind southwest 25 Tuesday.
Scattered showers. Risk of thunderstorms this morning. Fog patches dissipating this morning.
Waves
Issued 05:00 PM AST 16 November 2025
Laurentian Fan - eastern half
Tonight and Monday.
Seas 2 to 3 metres building to 3 to 5 this evening and to 5 to 7
after midnight. Seas subsiding to 5 near noon Monday then building to 5 to 7
Monday evening.
Laurentian Fan - western half
Tonight and Monday.
Seas 3 to 5 metres building to 5 to 7 Monday
afternoon.
Extended Forecast
Issued 03:00 AM AST 17 November 2025
Wednesday
Wind west 25 knots diminishing to west 15 in
the afternoon.
Thursday
Wind light increasing to east 15 to 20
knots.
Friday
Wind east 15 to 20 knots veering to southeast
25.
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Weather Conditions
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Legend:
Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.Iceberg Bulletin
Issued 1:30 PM EST 16 November 2025Iceberg Limit
Iceberg limit at 0000 UTC 17 Nov estimated from Newfoundland near5009N 5609W to 5030N 5030W to 5115N 4930W to 5430N 5030W to 5945N
5730W to 6100N 5310W to 6000N 4940W then eastward.
Iceberg Count
No confirmed icebergs.Warnings
Warnings (In effect)
Gale warning in effect
Laurentian Fan
Issued 03:00 AM AST 17 November 2025'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM AST 17 November 2025 Today Tonight and Tuesday At 3:00 a.m. AST today low 973 mb located over the western Gulfof St. Lawrence.
By 3:00 a.m. AST Tuesday low 980 mb located over the eastern Gulf
of St. Lawrence.
Marine Weather Statement
Issued 7:45 PM AST 16 November 2025 A low pressure system over the Bay of Fundy will slowly tracknortheastward tonight and Monday, moving into the Western Gulf of St.
Lawrence overnight and reaching Labrador by Monday evening.
Gale force east to southeast winds ahead of the low will diminish
briefly to moderate to strong southwesterlies south of it then
increase to strong to gale force westerlies over most waters tonight
and Monday in the wake of the low.
Marine interests are advised that gale warnings are in effect for all
waters.
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 - eastern half
- Gulf - Magdalen - western half
- 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
Another Region
- Date modified:
ATOM