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Anticosti - southwestern half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 20 March 2023

Today Tonight and Tuesday.

Gale warning in effect.

Wind northwesterly 45 knots with gusts to 55 in the Honguedo Strait. Wind diminishing to northwesterly 35 this afternoon and to northwest 30 after midnight. Wind diminishing to northwest 20 near noon Tuesday.

Freezing spray warning in effect.

Freezing spray ending near noon Tuesday.

Temperatures near minus 3.

Waves

Issued 05:00 AM ADT 20 March 2023

Anticosti - northwestern half

Today Tonight and Tuesday. Seas 3 to 4 metres subsiding to 2 to 3 late overnight and to 1 to 2 near noon Tuesday.

Anticosti - southeastern half

Today Tonight and Tuesday. Seas 2 to 3 metres building to 3 to 5 early this morning then subsiding to 2 to 3 Tuesday morning. Seas subsiding to 1 to 2 Tuesday afternoon.

Extended Forecast

Issued 03:00 AM ADT 20 March 2023
Wednesday Wind northwesterly 15 knots increasing to northwest 30 in the afternoon.
Thursday Wind north 15 knots increasing to southeast 25.
Friday Wind southeast 35 knots diminishing to northwest 30.

Ice Forecast

Anticosti - eastern half

Issued 10:00 AM EDT 19 March 2023 Today Tonight and Monday Open water except 1 tenth grey-white ice near the northeastern coast of Anticosti Island. Consolidated first-year ice along parts of the coasts. 

Anticosti - western half

Issued 10:00 AM EDT 19 March 2023 Today Tonight and Monday Open water except 1 tenth grey-white ice near the Gaspe Peninsula. Consolidated first-year ice along parts of the coasts. 

[ Canadian Ice Service ]

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Map of St. Lawrence - St. Lawrence River marine weather areas West Bay of Fundy - 44490 Mont-Louis - 45138 Lake Nipissing - 45152 North Bay Airport Beauport Deschambault Île d'Orléans L'Assomption Trois-Rivières Airport Île 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
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Ice Conditions

Ice Forecasts

Anticosti - eastern half

Issued 10:00 AM EDT 19 March 2023 Today Tonight and Monday

Ice Edge

Ice edge estimated from Nova Scotia near 4557N 5947W to 4620N 5930W
to 4845N 6230W to 5000N 5845W to 4730N 5940W to Newfoundland near
4711N 5528W. Sea ice west then northeast of the ice edge.

Ice Coverage

Open water except 1 tenth grey-white ice near the northeastern coast
of Anticosti Island. Consolidated first-year ice along parts of the
coasts.

Ice Forecasts

Anticosti - western half

Issued 10:00 AM EDT 19 March 2023 Today Tonight and Monday

Ice Edge

Ice edge estimated from Nova Scotia near 4557N 5947W to 4620N 5930W
to 4845N 6230W to 5000N 5845W to 4730N 5940W to Newfoundland near
4711N 5528W. Sea ice west then northeast of the ice edge.

Ice Coverage

Open water except 1 tenth grey-white ice near the Gaspe Peninsula.
Consolidated first-year ice along parts of the coasts.

 

Iceberg Bulletin

Issued 3:07 PM EDT 19 March 2023

Iceberg Limit

Iceberg limit at 0000 UTC 20 Mar estimated from Newfoundland near
4655N 5555W to 4600N 5525W to 4515N 5000W to 4535N 4610W to 4700N
4505W to 4850N 4535W to 5835N 5540W to 6005N 5015W to 5900N 4815W to
5820N 4520W then eastwards.

Western iceberg limit at 0000 UTC 20 Mar estimated from Quebec near
5030N 5950W to Newfoundland near 4940N 5755W.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti - southwestern half

Issued 10:00 AM ADT 20 March 2023

'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 - southwestern half

Issued 10:00 AM ADT 20 March 2023

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 10:00 AM ADT 20 March 2023 Today Tonight and Tuesday At 10:00 a.m. ADT today low 972 mb located north of Newfoundland.
By 3:00 a.m. ADT Tuesday departing low 982 mb located east of
Newfoundland.

At 3:30 p.m. ADT today ridge located from the East Coast of the
U.S. to West Scotian Slope.
By 3:30 p.m. ADT Tuesday ridge located from the East Coast of the
U.S. to Laurentian Fan.

Marine Weather Statement

Issued 9:40 AM ADT 20 March 2023 A low pressure system north of Newfoundland will slowly move
southeastward today and tonight. Strong to gale force westerlies will
persist over the district today. Winds will gradually diminish from
west to east overnight tonight and Tuesday as the low moves farther
east of Newfoundland.

Marine interests are advised that gale warnings are in effect for
eastern shore - eastern half, Sable - eastern half, Fourchu,
Banquereau, Laurentian Fan, Cabot Strait, Gulf - Magdalen, Chaleur -
Miscou, and Anticosti.

Marine interests are also advised that freezing spray warnings are in
effect for Cabot Strait, Northumberland Strait, Gulf - Magdalen,
Chaleur - Miscou, and Anticosti.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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