Language selection

Government of Canada / Gouvernement du Canada

Search

Weather shortcuts

Anticosti - eastern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 12 March 2025

Today Tonight and Thursday.

Gale warning in effect.

Wind south 35 knots veering to west 40 this morning then diminishing to northwest 30 this evening. Wind diminishing to northwest 20 overnight and to light Thursday morning.

Flurries or showers ending this morning. Visibility 1 mile or less in precipitation.

Freezing spray warning in effect.

Freezing spray beginning this morning and ending Thursday morning.

Temperatures plus 1 falling to minus 10 Thursday morning then rising to minus 5 Thursday evening.

Waves

Issued 05:00 AM ADT 12 March 2025

Anticosti - northeastern half

Today Tonight and Thursday. Seas 2 to 3 metres building to 3 to 4 early this morning then subsiding to 2 to 3 this evening. Seas subsiding to 1 to 2 late overnight and to 1 or less near noon Thursday.

Anticosti - southwestern half

Today Tonight and Thursday. Seas 2 to 3 metres building to 3 to 5 this morning then subsiding to 2 to 3 this evening. Seas subsiding to 1 to 2 after midnight and to 1 or less Thursday morning.

Extended Forecast

Issued 03:00 AM ADT 12 March 2025
Friday Wind southwest 25 knots.
Saturday Wind east 20 knots.
Sunday Wind east 20 knots increasing to southwest 25.

Ice Forecast

Issued 10:00 AM EDT 11 March 2025 Today Tonight and Wednesday Open water except 7 tenths new ice including a trace of first-year ice in the extreme northeastern section. Consolidated first-year ice in a few bays. 

[ 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 Lake Nipissing - 45152 North Bay Airport Beauport Deschambault Île d'Orléans L'Assomption Trois-Rivières Airport L'Isle-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 Charlo Miramichi Fundy Park (Alma) Grand Manan Kouchibouguac Kouchibouguac Miscou Island Greater Moncton Roméo LeBlanc Int'l Airport Point Lepreau Saint John Airport St. Stephen Brier Island Yarmouth Airport North Cape
Legend:
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 11 March 2025 Today Tonight and Wednesday

Ice Edge

First ice edge estimated from New Brunswick near 4523N 6527W to
4511N 6517W to 4409N 6639W to Nova Scotia near 4417N 6608W. Sea ice
northeast of the ice edge.

Second ice edge estimated from Nova Scotia near 4519N 6058W to 4547N
5829W to 4720N 5632W to Newfoundland near 4706N 5547W. Sea ice north
of the ice edge.

Ice Coverage

Open water except 7 tenths new ice including a trace of first-year
ice in the extreme northeastern section. Consolidated first-year ice
in a few bays.

 

Iceberg Bulletin

Issued 2:41 PM EDT 11 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 12 Mar estimated from Newfoundland near
4700N 5315W to 4825N 4710W to 5025N 4505W to 5335N 4745W to 5900N
5620W to 6020N 5530W then eastwards.

Western iceberg limit at 0000 UTC 12 Mar estimated from Quebec near
5030N 6015W to Newfoundland near 4850N 5755W.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti - eastern half

Issued 03:00 AM ADT 12 March 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.

Freezing spray warning in effect

Anticosti - eastern half

Issued 03:00 AM ADT 12 March 2025

Moderate or severe freezing spray is 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 AM ADT 12 March 2025 Today Tonight and Thursday At 3:00 a.m. ADT today trough located from Anticosti Island to
New Brunswick.
By 8:00 p.m. ADT tonight departing trough located over Banquereau.

At 8:00 p.m. ADT tonight building ridge located over the
St. Lawrence River.

Marine Weather Statement

Issued 2:47 AM ADT 12 March 2025 A trough of low pressure over New Brunswick will travel east across
the marine district today. Strong to gale force southerly winds will
develop ahead of the trough then shift to strong to gale force
westerlies in its wake.

Marine interests are advised that gale warnings are in effect for
Cabot Strait - northern half, Gulf-Magdalen, Chaleur-Miscou and
Anticosti. Freezing spray warnings are in effect for Cabot Strait,
Gulf-Magdalen, Chaleur-Miscou, and 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: