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Anticosti - western half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 11 March 2025

Today Tonight and Wednesday.

Gale warning in effect.

Wind light increasing to southeast 15 knots near noon and to southeast 25 this afternoon with gusts to 35 in the Honguedo Strait. Wind increasing to west 45 overnight then diminishing to west 35 Wednesday afternoon. Wind diminishing to northwest 25 to 30 Wednesday evening.

Snow beginning this afternoon becoming rain or snow this evening and ending Wednesday morning. Visibility 1 mile or less in precipitation.

Freezing spray warning in effect.

Freezing spray beginning Wednesday morning.

Temperatures minus 5 rising to plus 1 overnight then falling to minus 8 Wednesday afternoon.

Waves

Issued 05:00 AM ADT 11 March 2025
Today Tonight and Wednesday. Seas 1 metre or less building to 1 to 2 early this evening and to 2 to 3 near midnight. Seas building to 3 to 4 near noon Wednesday.

Extended Forecast

Issued 03:00 AM 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 9:59 AM EDT 10 March 2025 Today Open water except 2 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 9:59 AM EDT 10 March 2025 Today

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 2 tenths new ice along parts of the coasts.
Consolidated first-year ice in a few bays.

 

Iceberg Bulletin

Issued 2:58 PM EDT 10 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 11 Mar estimated from Newfoundland near
4709N 5258W to 4845N 4730W to 5025N 4505W to 5335N 4745W to 5900N
5620W to 6030N 5525W to 5725N 4600W then eastwards.

Western iceberg limit at 0000 UTC 11 Mar estimated from Quebec near
5035N 5955W to Newfoundland near 4925N 5800W.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti - western half

Issued 03:00 AM 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 03:00 AM 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 3:00 AM ADT 11 March 2025 Today Tonight and Wednesday At 3:00 a.m. ADT today ridge located from Labrador to West Scotian
Slope.
By 3:00 a.m. ADT Wednesday ridge located east of the Marine
District.

At 10:00 a.m. ADT today trough located from Quebec to the Great
Lakes.
By 10:00 a.m. ADT Wednesday trough located from the Quebec Lower
North Shore to West Scotian Slope.

At 8:00 p.m. ADT Wednesday departing trough located from Labrador
Coast to Laurentian Fan.

Marine Weather Statement

Issued 2:38 AM ADT 11 March 2025 A low pressure system will approach the district from the west today
and its associated trough will move over marine waters tonight.
Strong to gale force southerly winds ahead of the trough will 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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