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Chaleur - Miscou - eastern half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 15 March 2026

Today Tonight and Monday.

Wind west 15 to 20 knots diminishing to light this evening then increasing to southeast 20 Monday morning except southeast 30 over eastern sections Monday afternoon and evening.

Snow Monday afternoon changing to rain with a risk of freezing rain. Fog patches forming Monday evening.

Temperatures minus 4 rising to plus 5 Monday evening.

Extended Forecast

Issued 03:00 AM ADT 15 March 2026
Tuesday Wind south 45 knots veering to southwest 25 to 35 in the afternoon.
Wednesday Wind west 25 to 35 knots diminishing to west 20 to 25.
Thursday Wind west 35 knots diminishing to south 25 late in the day.

Ice Forecast

Issued 10:00 AM EDT 15 March 2026 Today Tonight and Monday 3 tenths new ice including 1 tenth first-year ice except 9 tenths grey-white ice including 3 tenths first-year ice in the northern section. 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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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 15 March 2026 Today Tonight and Monday

Ice Edge

Ice edge estimated from Nova Scotia near 4437N 6325W to 4419N 6258W
to 4602N 5807W to Newfoundland near 4740N 5814W. Sea ice north of
the ice edge.

Ice Coverage

3 tenths new ice including 1 tenth first-year ice except 9 tenths
grey-white ice including 3 tenths first-year ice in the northern
section. Consolidated first-year ice along parts of the coasts.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 15 March 2026 Today Tonight and Monday At 10:00 a.m. ADT today ridge located over New England.
By 10:00 a.m. ADT Monday departing ridge located over the eastern
Marine District.

At 10:00 a.m. ADT Monday low 988 mb located over the Great Lakes.
By 8:00 p.m. ADT Monday low 988 mb located over southern Quebec.

At 10:00 a.m. ADT today departing low 992 mb located east of
Newfoundland.

Marine Weather Statement

Issued 9:48 AM ADT 15 March 2026 A low pressure system east of Newfoundland will continue to track
further away from the region today. Strong to gale force
northwesterly winds in the wake of the low will diminish as a ridge
of high pressure builds in from the west.

A disturbance near the Great Lakes Monday morning will move eastward
throughout the day. Increasing southerly winds will reach gale force
across most of the region ahead of the low.

Marine interests are advised that gale warnings are in effect for all
regions except Northumberland Strait - western half and
Chaleur-Miscou.

Marine interests are also advised that a freezing spray warning is in
effect for Anticosti - northern half.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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