Language selection

Government of Canada / Gouvernement du Canada

Search

Weather shortcuts

Browns Bank

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 12 March 2026

Today Tonight and Friday.

Gale warning in effect.

Wind southwest 35 knots diminishing to southwest 25 this afternoon then veering to northwest 15 to 20 early this evening. Wind increasing to northwest 30 near midnight then diminishing to northwest 20 Friday morning. Wind diminishing to variable 10 to 15 Friday afternoon then increasing to southwest 15 to 20 Friday evening.

Showers and fog banks with a risk of thunderstorms this evening changing to scattered flurries near midnight and ending Friday morning.

Waves

Issued 05:00 AM ADT 12 March 2026
Today Tonight and Friday. Seas 2 to 3 metres building to 3 to 4 this morning then subsiding to 2 to 3 Friday afternoon.

Extended Forecast

Issued 03:00 AM ADT 12 March 2026
Saturday Wind south 35 knots veering to west 25 to 35 in the afternoon.
Sunday Wind northwest 25 knots diminishing to light.
Monday Wind southeast 25 knots increasing to south 35.

Ice Forecast

Issued 10:00 AM EDT 12 March 2026 Today Tonight and Friday Ice free. 

[ Canadian Ice Service ]

Stay connected

ATOM

List of Official Text Forecasts
Resources

Weather Conditions

Skip Image

Zoom-in to make a selection

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
Legend:
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 12 March 2026 Today Tonight and Friday

Ice Edge

Ice edge estimated from 4420N 6720W to 4430N 6635W to 4330N 6615W to
4315N 6515W to 4603N 5814W to 4722N 5805W to 4643N 5628W to
Newfoundland near 4640N 5530W. Sea ice north of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 2:59 PM EDT 11 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 12 Mar estimated from Newfoundland near
4640N 5310W to 4520N 4930W to 4555N 4410W to 4815N 4300W to 5930N
5700W to 6120N 5400W to 5825N 4900W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Browns Bank

Issued 10:00 AM ADT 12 March 2026

'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.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 12 March 2026 Today Tonight and Friday At 10:00 a.m. ADT today low 994 mb located over southern Quebec.
By 3:30 p.m. ADT today low 994 mb located over the Gulf of
St. Lawrence.

At 3:00 a.m. ADT Friday trough from low located on a line
northeast-southwest over the eastern Marine District.
By 8:00 p.m. ADT Friday departing trough located east of the
Grand Banks.

Marine Weather Statement

Issued 9:34 AM ADT 12 March 2026 A low pressure system is continuing to approach from Southern Quebec
will move eastward across the Gulf of St. Lawrence today. Strong to
gale force southeasterlies have developed in the Gulf region ahead of
the low this morning and is forecast to become strong to gale force
northwesterlies in its wake this afternoon.

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

Marine interests are also advised that freezing spray warnings are in
effect for Cabot Strait - northern half and all Gulf of St. Lawrence
waters except Northumberland Strait.

St. Lawrence - St. Lawrence River Area

Another Region

Marine Weather for Canada

Weather shortcuts


How to use
  • Add to shortcuts
    • Go to the desired page on the site, open the Weather shortcuts menu and click on the "Add to shortcuts" button
    • Page name will display in the "Add this page" window, the name can be changed by highlighting the text and entering the desired name
    • Click on the "Save" button to add the link to the list
    • Click on the "X" button to close the panel
  • Delete a link
    • Click on the "Organize shortcuts" button
    • Select the link to delete
    • Click on the "Delete" button to remove the link from the list
    • Click on the "Close" button to save the change
  • Move a link up/down the list
    • Click on the "Organize shortcuts" button
    • Click and hold the link and move to new location in the list
    • Click on the "Close" button to save the change
  • Rename a link
    • Click on the "Organize shortcuts" button
    • Select the link to rename
    • Click on the "Rename" button and change the link name
    • Click the enter or tab key
    • Click on the "Close" button to save the change
  • Keyboard navigation
    • Use the Tab key to move to a button or link
    • Use the Enter key to click on buttons or links
    • Organize shortcuts navigation
      • Use the ↑ Up key to select the link above. If none are selected, it will select the first link.
      • Use the ↓ Down key to select the link below. If none are selected, it will select the last link.
      • Use the Page Up key to move a selection up in the list.
      • Use the Page Down key to move a selection down in the list.
  • Restore default list

    Warning: Clicking on the button below will remove all your customized links.

Customized Weather shortcuts

Save your customized list as a bookmark.

Copy/paste or click on the link below then when the page displays, you can bookmark the page using the web browser. Bookmarking your customized list will allow you to access it even if the local storage on your device is erased.

Features

New: Colour-coded weather alerts

Learn more about weather alerting in Canada

Feedbackabout this web site
Date modified: