Marine Forecast

Issued 03:00 AM ADT 22 March 2019

Today Tonight and Saturday.

Gale warning in effect.

Wind easterly 20 knots increasing to easterly 40 this morning then diminishing to southerly 25 this afternoon. Wind increasing to southwest 25 to 35 this evening then becoming northwest 30 Saturday afternoon.

Rain beginning early this morning changing to showers this afternoon then to flurries or showers Saturday morning and ending Saturday evening. Risk of thunderstorms this afternoon. Fog patches forming this morning and dissipating this evening.


Issued 05:00 AM ADT 22 March 2019
Today Tonight and Saturday. Seas 1 to 2 metres building to 2 to 3 this morning and to 3 to 5 this afternoon.

Extended Forecast

Issued 03:00 AM ADT 22 March 2019
Sunday Wind westerly 20 knots.
Monday Wind variable 15 knots.
Tuesday Wind northerly 15 to 20 knots.

Ice Forecast

Issued 10:00 AM EDT 21 March 2019 Today Tonight and Friday Open water. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of St. Lawrence - St. Lawrence River marine weather areas Mont-Louis - 45138 Lake Nipissing - 45152 North Bay Airport Beauport Deschambault Île d'Orléans L'Assomption Trois-Rivières Airport Île aux-Grues Lac Saint-Pierre Montréal-Trudeau Int'l Airport Saint-Hubert Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Saint-Anicet Baie-Comeau Airport Cap-Rouge Île Rouge Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts Pointe-Noire Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier Île Bicquette Cap-Chat CFB Bagotville Jonquière Mistook Normandin Roberval Airport Bas Caraquet Bathurst Airport Bouctouche AAFC Charlo Miramichi Fundy Park (Alma) Grand Manan Kouchibouguac Miscou Island Greater Moncton Roméo LeBlanc Int'l Airport Point Lepreau Saint John Airport St. Stephen Brier Island Yarmouth Airport North Cape
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 21 March 2019 Today Tonight and Friday

Ice Edge

First ice edge estimated from New Brunswick near 4525N 6525W to Nova
Scotia near 4500N 6500W. Sea ice northeast of the ice edge.

Second ice edge estimated from Nova Scotia near 4450N 6225W to 4450N
6210W to 4510N 6100W to 4600N 5930W to 4545N 5650W to Newfoundland
near 4650N 5550W. Sea ice north and west of the ice edge.

Ice Coverage

Open water.


Warnings (In effect)

Gale warning in effect


Issued 03:00 AM ADT 22 March 2019

'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.


Technical Marine Synopsis

Issued 3:00 AM ADT 22 March 2019 Today Tonight and Saturday At 3:00 a.m. ADT today deepening low 993 mb located south of
Long Island.
By 8:00 p.m. ADT tonight low 979 mb located over southern Maine.

At 8:00 p.m. ADT Saturday departing low 986 mb located over the
eastern Gulf of St. Lawrence.

Marine Weather Statement

Issued 2:52 AM ADT 22 March 2019 A developing low pressure system will approach southwestern waters
this morning and will move to lie over Southern Maine this evening.
The low will then drift eastward to lie over the Eastern Gulf of St.
Lawrence Saturday evening. Winds will increase to gale force
easterlies ahead of the low then shift to strong to gale force
southwesterlies in its wake.

Marine interests are advised that gale warnings are in effect for all
waters. In addition, higher than normal water levels can be expected
during high tide along the Atlantic Coast of Nova Scotia and parts of
the Bay of Fundy coast today and Saturday.

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