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Anticosti - western half

Forecast

Marine Forecast

Issued 03:30 PM ADT 11 March 2025

Tonight and Wednesday.

Gale warning in effect.

Wind southeast 25 knots with gusts to 35 in the Honguedo Strait. Wind increasing to west 45 late overnight then diminishing to west 35 Wednesday afternoon. Wind diminishing to northwest 25 to 30 Wednesday evening.

Snow becoming rain or snow near midnight and ending overnight. Visibility 1 mile or less in precipitation.

Freezing spray warning in effect.

Freezing spray beginning Wednesday morning.

Temperatures minus 4 rising to plus 1 overnight then falling to minus 8 near noon Wednesday.

Waves

Issued 05:00 PM ADT 11 March 2025

Anticosti - northeastern half

Tonight and Wednesday. Seas 1 metre or less building to 1 to 2 this evening and to 2 to 3 late overnight. Seas building to 3 to 4 near noon Wednesday then subsiding to 2 to 3 Wednesday evening.

Anticosti - southwestern half

Tonight and Wednesday. Seas 1 to 2 metres building to 2 to 3 this evening and to 3 to 5 early Wednesday morning. Seas subsiding to 2 to 3 Wednesday evening.

Extended Forecast

Issued 03:30 PM ADT 11 March 2025
Thursday Wind northwest 15 knots diminishing to light in the morning then becoming south 15 late in the day.
Friday Wind southerly 20 knots veering to westerly 15.
Saturday Wind southwest 15 knots increasing to variable 15 to 20.

Ice Forecast

Issued 10:00 AM EDT 11 March 2025 Today Tonight and Wednesday Open water except 5 tenths new ice along parts of the coasts. Consolidated first-year ice in a few bays. 

[ Canadian Ice Service ]

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Map of Atlantic - Maritimes marine weather areas East Scotia Slope - 44137 Banquereau - 44139 LaHave Bank - 44150 Halifax Harbour - 44258 East Chedabucto Bay – 44488 West Chedabucto Bay – 44489 Baie-Comeau Airport Havre-Saint-Pierre Airport Île aux Perroquets Île Rouge Longue-Pointe-de-Mingan Sept-Îles Airport Pointe-des-Monts Pointe-Noire Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport Heath Point Îles de la Madeleine Airport La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier Île Bicquette Cap-Chat 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 Baccaro Point Beaver Island Brier Island Caribou Point Debert Eskasoni (First Nations) Grand Étang CFB Greenwood Hart Island Ingonish Beach Kentville AAFC Lunenburg McNabs Island Nappan AAFC North Mountain Parrsboro Sable Island St.Paul Island Shearwater Airport J.A. Douglas McCurdy Sydney Airport Tracadie Western Head Yarmouth Airport Charlottetown Airport East Point North Cape Summerside Burgeo Port aux Basques Sagona Island St. Lawrence Stephenville Airport Winterland Branch Hill Wreckhouse
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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 5 tenths new ice along parts of the coasts.
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 - western half

Issued 3:30 PM ADT 11 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 - western half

Issued 3:30 PM ADT 11 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 3:30 PM ADT 11 March 2025 Tonight and Wednesday At 3:30 p.m. ADT today ridge located on a line north-south over
the eastern Marine District.
By 3:00 a.m. ADT Wednesday ridge located over the Grand Banks.

At 3:30 p.m. ADT today trough located near the St. Lawrence River.
By 3:00 a.m. ADT Wednesday trough located from Anticosti Island
to the Gulf of Maine.

At 8:00 p.m. ADT Wednesday weakening trough located over the
eastern Marine District.

Marine Weather Statement

Issued 3:16 PM ADT 11 March 2025 A trough of low pressure approaching the district from the west will
cross the marine district later tonight. 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 Gulf-Magdalen,
Chaleur-Miscou and Anticosti.

Atlantic - Maritimes Area

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