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Anticosti

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 14 March 2026

Today Tonight and Sunday.

Wind northeast 10 to 15 knots increasing to northeasterly 25 this afternoon then diminishing to northerly 15 late overnight. Wind increasing to northwest 20 to 25 Sunday afternoon with gusts to 35 in the Honguedo Strait.

Flurries this afternoon and this evening. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Over open water freezing spray late this afternoon and this evening.

Temperatures near minus 5.

Waves

Issued 05:00 AM ADT 14 March 2026

Anticosti - northern half

Today Tonight and Sunday. Over open water seas 1 metre or less building to 1 to 2 late this evening then subsiding to 1 or less Sunday morning.

Anticosti - southern half

Today Tonight and Sunday. Over open water seas 1 metre or less building to 1 to 2 early this evening and to 2 to 3 late this evening.

Extended Forecast

Issued 03:00 AM ADT 14 March 2026
Monday Wind southeast 15 to 20 knots increasing to southeast 30 in the afternoon.
Tuesday Wind south 35 knots increasing to south 45 late in the day.
Wednesday Wind west 35 knots.

Ice Forecast

Issued 10:00 AM EDT 14 March 2026 Today Tonight and Sunday 2 tenths new ice except 9 tenths new ice including 1 tenth grey ice along parts of the coasts. 9 tenths new ice including a trace of first-year ice in the Honguedo Strait. Consolidated first-year ice along parts of the coasts. 

[ Canadian Ice Service ]

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

Ice Forecasts

Issued 10:00 AM EDT 14 March 2026 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Nova Scotia near 4437N 6325W to 4419N 6258W
to 4558N 5841W to Newfoundland near 4740N 5814W. Sea ice north of
the ice edge.

Ice Coverage

2 tenths new ice except 9 tenths new ice including 1 tenth grey ice
along parts of the coasts. 9 tenths new ice including a trace of
first-year ice in the Honguedo Strait. Consolidated first-year ice
along parts of the coasts.

 

Iceberg Bulletin

Issued 2:30 PM EDT 13 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 14 Mar estimated from Newfoundland near
4640N 5310W to 4520N 4930W to 4555N 4410W to 4815N 4300W to 5220N
4615W to 5650N 5345W to 5930N 5700W to 6120N 5400W to 5815N 4855W
then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Freezing spray warning in effect

Anticosti

Issued 10:00 AM ADT 14 March 2026

Moderate or severe freezing spray is occurring or expected to occur in this marine area. 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 ADT 14 March 2026 Today Tonight and Sunday At 10:00 a.m. ADT today low 1002 mb located over southern Quebec.
By 8:00 p.m. ADT tonight low 1002 mb located over eastern Nova
Scotia.

At 3:00 a.m. ADT Sunday low 997 mb located south of the Avalon
Peninsula.
By 10:00 a.m. ADT Sunday departing low 991 mb located east of
Newfoundland.

Marine Weather Statement

Issued 9:50 AM ADT 14 March 2026 A low pressure system will approach the region from the west today to
lie over Eastern Nova Scotia this evening. Strong to gale force
southeasterlies will develop ahead of the low then shift to strong to
gale force westerlies in its wake.

The low will continue eastward overnight and pass just of the Avalon
Peninsula.

Marine interests are advised that gale warnings are in effect for
Georges Bank, southwestern shore, LaHave Bank, West Scotian Slope,
eastern shore, Sable, East Scotian Slope, Fourchu, Banquereau,
Laurentian Fan, Cabot Strait and Gulf-Magdalen.

Marine interests are also advised that freezing spray warnings are in
effect for Northumberland Strait - western half, Chaleur-Miscou and
Anticosti.

St. Lawrence - St. Lawrence River Area

Another Region

Marine Weather for Canada

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