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Gulf - Magdalen - western 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 35 early this morning then diminishing to northwest 25 this afternoon. Wind diminishing to north 15 overnight and to light Thursday morning. Wind becoming south 15 Thursday evening.

Showers or flurries ending this morning. Visibility 1 mile or less in precipitation.

Freezing spray warning in effect.

Over open water freezing spray beginning near noon and ending overnight.

Temperatures plus 2 falling to minus 7 near noon Thursday.

Waves

Issued 05:00 AM ADT 12 March 2025

Gulf - Magdalen - northeastern half

Today Tonight and Thursday. Seas 2 to 3 metres building to 3 to 5 late this afternoon then subsiding to 2 to 3 near midnight. Seas subsiding to 1 to 2 Thursday morning.

Gulf - Magdalen - southwestern half

Today Tonight and Thursday. Seas 1 to 2 metres building to 2 to 3 this morning then subsiding to 1 to 2 near midnight. Seas subsiding to 1 or less near noon Thursday.

Extended Forecast

Issued 03:00 AM ADT 12 March 2025
Friday Wind southwest 20 to 25 knots.
Saturday Wind southwest 15 to 20 knots becoming variable 15.
Sunday Wind southwest 15 knots increasing to southwest 25.

Ice Forecast

Issued 10:00 AM EDT 11 March 2025 Today Tonight and Wednesday Open water except 3 tenths new ice including 1 tenth first-year ice in the southwestern section. Consolidated first-year ice along the Prince Edward Island coast. 

[ 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 3 tenths new ice including 1 tenth first-year ice
in the southwestern section. Consolidated first-year ice along the
Prince Edward Island coast.

 

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

Gulf - Magdalen - western 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

Gulf - Magdalen - western 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 10:00 AM ADT 12 March 2025 Today Tonight and Thursday At 10:00 a.m. ADT today trough located from the Gulf of St. Lawrence
to Nova Scotia.
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.
By 3:30 p.m. ADT Thursday ridge located over the Maritimes.

Marine Weather Statement

Issued 9:45 AM ADT 12 March 2025 A trough of low pressure stretching from the Gulf of St. Lawrence to
Nova Scotia will move east of the marine district today. Strong to
gale force westerlies in the wake of the trough will diminish later
today as a ridge of high pressure builds in from the west.

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

Atlantic - Maritimes Area

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Marine Weather for Canada

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