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Pointe-des-Monts to Anticosti - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 16 March 2026

Tonight and Tuesday.

Storm warning in effect.

Wind southeasterly 25 to 35 knots except south 50 near the coast overnight and Tuesday morning. Wind becoming southwest 30 to 40 near noon Tuesday then increasing to west 40 to 50 Tuesday evening.

Snow with a risk of freezing rain changing to showers this afternoon then to flurries Tuesday afternoon. Visibility 1 mile or less in precipitation.

Risk of freezing spray late this afternoon.

Low tonight minus 1. High Tuesday plus 10.

Waves

Issued 03:00 PM EDT 16 March 2026
Tonight and Tuesday. Over open water seas 2 metres building to 2 to 3 Tuesday afternoon and to 3 to 4 Tuesday evening.

Extended Forecast

Issued 06:00 AM EDT 16 March 2026
Wednesday Wind west 30 to 40 knots diminishing to west 15 to 25 in the afternoon.
Thursday Wind southeasterly 10 to 20 knots.
Friday Wind westerly 10 to 20 knots.

Ice Forecast

Issued 10:00 AM EDT 16 March 2026 Today Tonight and Tuesday 7 tenths new ice including a trace of first-year ice. 

[ 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 16 March 2026 Today Tonight and Tuesday

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

7 tenths new ice including a trace of first-year ice.

Warnings

Warnings (In effect)

Storm warning in effect

Pointe-des-Monts to Anticosti - southern half

Issued 3:00 PM EDT 16 March 2026

'Storm' force winds of 48 to 63 knots are 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 3:00 PM EDT 16 March 2026 Tonight and Tuesday At 3:00 p.m. EDT today departing ridge located on a line north-south
over Newfoundland.

At 3:00 p.m. EDT today low 989 mb located over Lake Huron.
By 8:00 p.m. EDT Tuesday low 953 mb located over southern Ungava
Bay.

At 2:00 a.m. EDT Tuesday ridge located on a line north-south over
western Ontario.
By 8:00 p.m. EDT Tuesday ridge located on a line north-south over
the Great Lakes.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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