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Browns Bank

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 21 July 2026

Today Tonight and Wednesday.

Wind light increasing to southeast 15 knots near noon and to southeasterly 20 to 25 early this evening. Wind veering to southwesterly 30 late overnight. Wind southwesterly 30 Wednesday.

Periods of rain and fog patches tonight and Wednesday with a risk of thunderstorms.

Waves

Issued 05:00 AM ADT 21 July 2026
Today Tonight and Wednesday. Seas 1 metre or less building to 1 to 2 this evening and to 2 to 3 Wednesday morning. Seas building to 3 to 4 Wednesday afternoon.

Extended Forecast

Issued 03:00 AM ADT 21 July 2026
Thursday Wind southwesterly 25 knots diminishing to westerly 10 to 15 late in the day.
Friday Wind light.
Saturday Wind easterly 10 to 15 knots.

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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 - Quai de St-Jean 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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buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
 

Iceberg Bulletin

Issued 2:30 PM EDT 20 July 2026

Iceberg Limit

Iceberg limit at 0000 UTC 21 Jul estimated from Newfoundland near
4805N 5255W to 4700N 4600W to 4730N 4430W to 4830N 4430W to 5535N
5100W to 5745N 5400W to 5825N 4825W to 5720N 4510W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 21 July 2026 Today Tonight and Wednesday At 10:00 a.m. ADT today ridge located over the southern Marine
District.
By 3:30 p.m. ADT today departing ridge located over the Grand Banks.

At 8:00 p.m. ADT tonight trough located over New England.
By 3:30 p.m. ADT Wednesday trough located over the western Marine
District.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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