Language selection

Government of Canada / Gouvernement du Canada

Search

Features

Colour-coded Weather Alerts

Colour-coded Weather Alerts

Weather shortcuts

Lurcher

Warnings

Forecast

Marine Forecast

Issued 03:00 AM AST 10 December 2025

Today Tonight and Thursday.

Gale warning in effect.

Wind southwest 25 knots increasing to southwest 35 early this morning then diminishing to southwest 20 late this morning. Wind increasing to southwest 25 to 30 this evening then veering to westerly 25 overnight. Wind increasing to west 35 Thursday evening.

Showers ending near noon. Scattered showers beginning near midnight and changing to flurries Thursday evening. Visibility 1 mile or less in flurries.

Temperatures plus 2 rising to plus 11 near midnight then falling to plus 5 Thursday evening.

Waves

Issued 05:00 AM AST 10 December 2025
Today Tonight and Thursday. Seas 2 to 3 metres building to 4 Thursday afternoon.

Extended Forecast

Issued 03:00 AM AST 10 December 2025
Friday Wind west 40 knots.
Saturday Wind west 25 knots.
Sunday Wind southwest 20 knots increasing to west 30 late in the day.

Ice Forecast

Issued 10:00 AM EST 9 December 2025 Today Tonight and Wednesday 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 Cap-Chat Mont-Joli Airport Bathurst Airport Île Bicquette Charlo Port Menier Miramichi Pointe-au-Père Fundy Park (Alma) New Carlisle Grand Manan Bas Caraquet CFB Bagotville Jonquière Mistook Normandin Roberval Airport Deschambault Beauport North Bay Airport Trois-Rivières Airport Lake Nipissing - 45152 Kouchibouguac Baie-Comeau Airport Île d'Orléans Saint-Anicet Sainte-Anne-de-Bellevue Cap-Rouge Lac Memphrémagog Montréal Metropolitain Airport Montréal-Trudeau Int'l Airport Île Rouge Lac Saint-Pierre L'Isle-aux-Grues L'Assomption Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts North Cape Pointe-Noire Yarmouth Airport Cap-d'Espoir Brier Island Rivière-la-Madeleine St. Stephen Gaspé Airport Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac La Pocatière
Legend:
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 9 December 2025 Today Tonight and Wednesday

Ice Edge

First ice edge estimated from 4723N 6136W to 4738N 6112W to 4744N
6124W to 4734N 6159W to 4706N 6212W to 4706N 6147W to 4723N 6136W.
Sea ice within the ice edge.

Second ice edge estimated from Nova Scotia near 4551N 6201W to
Prince Edward Island near 4621N 6211W. Sea ice west of the ice edge.

Third ice edge estimated from Prince Edward Island near 4628N 6231W
to 4640N 6329W to 4741N 6431W to 4827N 6402W to 4904N 6404W to 4925N
6516W to 4916N 6703W to 4956N 6635W to Anticosti Island near 4924N
6336W. Sea ice west then north of the ice edge.

Fourth ice edge estimated from Anticosti Island near 4949N 6317W to
4946N 5954W to 5106N 5804W to Newfoundland near 5029N 5728W. Sea ice
north of the ice edge.

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Gale warning in effect

Lurcher

Issued 06:44 AM AST 10 December 2025

'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 3:00 AM AST 10 December 2025 Today Tonight and Thursday At 3:00 a.m. AST today trough located over New England.
By 8:00 p.m. AST tonight trough located on a line north-south over
the eastern Marine District.

At 8:00 p.m. AST tonight low 990 mb located over southern Ontario.
By 3:30 p.m. AST Thursday low 986 mb located over the northern
Gulf of St. Lawrence.

Marine Weather Statement

Issued 2:37 AM AST 10 December 2025 A trough of low pressure will track across the marine district today.
Strong to gale force southerly winds will develop ahead of this
feature.

A second low pressure system developing over Southern Ontario will
track across New Brunswick Thursday morning to lie over Northern Gulf
of St. Lawrence waters Thursday afternoon. Strong to gale force
easterly winds are forecast ahead of the low. Strong to gale force
westerly winds are expected south of the low late in the day
Thursday.

Marine interests are advised that gale warnings are in effect for
Grand Manan, Lurcher, Browns Bank, Georges Bank, southwestern shore,
LaHave Bank, West Scotian Slope, East Scotian Slope, Laurentian Fan
and Anticosti - northwestern half.

Additionally, a freezing spray warning is in effect Anticosti.

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.

Feedbackabout this web site
Date modified: