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Anticosti - southwestern half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM AST 07 November 2025

Today Tonight and Saturday.

Gale warning in effect.

Wind northwest 35 knots with gusts to 45 in the Honguedo Strait. Wind becoming west 35 near noon then diminishing to west 25 early this evening. Wind diminishing to west 15 near midnight and to light late overnight. Wind increasing to southeast 15 Saturday morning and to southeast 25 near noon Saturday. Wind veering to south 20 Saturday afternoon then to west 25 Saturday evening.

Flurries or showers Saturday morning and afternoon changing to showers.

Temperatures plus 2 rising to plus 7 Saturday afternoon.

Waves

Issued 05:00 AM AST 07 November 2025

Anticosti - northwestern half

Today Tonight and Saturday. Seas 2 to 3 metres subsiding to 1 to 2 this evening and to 1 or less late overnight.

Anticosti - southeastern half

Today Tonight and Saturday. Seas 3 to 4 metres subsiding to 2 to 3 this evening and to 1 to 2 late overnight.

Extended Forecast

Issued 03:00 AM AST 07 November 2025
Sunday Wind northwest 20 knots diminishing to light late in the day.
Monday Wind east 15 to 20 knots increasing to southeast 30.
Tuesday Wind southeast 35 knots diminishing to west 30.

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Map of St. Lawrence - St. Lawrence River marine weather areas Cap-Chat Mont-Joli Airport Bathurst Airport Île Bicquette Charlo Port Menier Miramichi Pointe-au-Père Fundy Park (Alma) New Carlisle Grand Manan Bas Caraquet CFB Bagotville Jonquière Mistook Normandin Roberval Airport Deschambault Beauport North Bay Airport Trois-Rivières Airport Lake Nipissing - 45152 Kouchibouguac Baie-Comeau Airport Île d'Orléans Saint-Anicet Sainte-Anne-de-Bellevue Cap-Rouge Lac Memphrémagog Montréal Metropolitain Airport Montréal-Trudeau Int'l Airport Île Rouge Lac Saint-Pierre L'Isle-aux-Grues L'Assomption Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts North Cape Pointe-Noire Yarmouth Airport Cap-d'Espoir Brier Island Rivière-la-Madeleine St. Stephen Gaspé Airport Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac La Pocatière
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land station Land Station
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 6 November 2025

Iceberg Limit

Iceberg limit at 0000 UTC 7 Nov estimated from Newfoundland near
5026N 5623W to 4930N 5000W to 5000N 4815W to 5245N 4830W to 5945N
5645W to 6050N 5200W to 5845N 4645W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti - southwestern half

Issued 10:00 AM AST 07 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 10:00 AM AST 7 November 2025 Today Tonight and Saturday At 10:00 a.m. AST today departing low 958 mb located northeast
of Newfoundland.

At 8:00 p.m. AST tonight low 991 mb located near the Great Lakes.
By 8:00 p.m. AST Saturday low 1001 mb located near Anticosti Island.

At 10:00 a.m. AST today ridge located west of the Marine District.
By 3:30 p.m. AST Saturday ridge located east of the Marine District.

Marine Weather Statement

Issued 9:59 AM AST 7 November 2025 An intense low pressure system northeast of Newfoundland will
continue to track northeastward away from the region today. Strong to
gale force northwest winds will diminish in the wake of the low.

Marine interests are advised that gale warnings are in effect for
eastern shore - eastern half, Sable - eastern half, Fourchu,
Banquereau, Laurentian Fan, Cabot Strait, Northumberland - eastern
half, Gulf - Magdalen, and Anticosti.

Outlook for the start-up of the Southwest New Brunswick lobster
fishery.

Lfa 36
Sunday..Winds north 15 knots diminishing to light in the morning.
Winds increasing to east 15 knots in the evening. Seas less than 1
metre.
Monday..Winds east 25 to 30 knots diminishing to southeast 20 in the
morning and to southeast 15 in the afternoon. Winds light in the
evening. Seas near 1 metre subsiding to less than 1 metre in the
evening.
Tuesday..Winds northwest 15 knots increasing to west 20 near noon and
to west 25 to 30 in the evening. Seas less than 1 metre building to 1
to 2 metres in the evening.

Lfa 38
Sunday..Winds north 15 knots diminishing to light in the
Morning. Winds increasing to east 20 knots in the evening.
Seas near 1 metre subsiding to less than 1 metre in the morning.
Monday..Winds southeast 25 to 30 knots diminishing to southeast 20 in
the morning and to southeast 15 near noon. Winds light in the
afternoon. Seas 1 to 2 metres building to near 2 metres in the
morning and subsiding to near 1 metres in the afternoon.
Tuesday..Winds northwest 20 knots increasing to west 25 to 30 in the
evening. Less than 1 metre building to 1 to 2 metres in the
afternoon.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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