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Gulf - Port au Port

Warnings

Forecast

Marine Forecast

Issued 08:00 PM NDT 12 March 2025

Tonight and Thursday.

Wind northwest 25 knots diminishing to northwest 15 to 20 late overnight and to light near noon Thursday.

Freezing spray warning in effect.

Over open water freezing spray ending near noon Thursday.

Temperatures minus 10 to minus 6.

Waves

Issued 06:00 PM NDT 12 March 2025
Tonight and Thursday. Outside the ice edge seas 2 to 3 metres subsiding to 1 to 2 Thursday morning and to 1 or less Thursday evening.

Extended Forecast

Issued 03:30 PM NDT 12 March 2025
Friday Wind southwest 10 to 15 knots increasing to southwest 25 in the afternoon.
Saturday Wind variable 10 to 15 knots.
Sunday Wind variable 10 to 15 knots increasing to southwest 15 to 20.

Ice Forecast

Issued 10:00 AM EDT 12 March 2025 Today Tonight and Thursday Open water except 9 tenths new ice including 1 tenth first-year ice near Quebec coast. Consolidated first-year ice along parts of the Quebec 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 12 March 2025 Today Tonight and Thursday

Ice Edge

First ice edge estimated from New Brunswick near 4523N 6527W to
4515N 6515W to 4430N 6615W to Nova Scotia near 4407N 6612W. Sea ice
east of the ice edge.

Second ice edge estimated from Nova Scotia near 4519N 6058W to 4545N
5800W to 4715N 5700W to Newfoundland near 4707N 5538W. Sea ice north
of the ice edge.

Ice Coverage

Open water except 9 tenths new ice including 1 tenth first-year ice
near Quebec coast. Consolidated first-year ice along parts of the
Quebec coast.

 

Iceberg Bulletin

Issued 3:40 PM EDT 12 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 13 Mar estimated from Newfoundland near
4652N 5307W to 4815N 4645W to 5020N 4550W to 5340N 4745W to 5900N
5620W to 6020N 5530W then eastwards.

Western iceberg limit at 0000 UTC 13 Mar estimated from Quebec near
5030N 6015W to Newfoundland near 4850N 5755W.

Iceberg Count

No confirmed icebergs except less than 10 icebergs east of the
western iceberg limit.
Warnings

Warnings (In effect)

Freezing spray warning in effect

Gulf - Port au Port

Issued 8:00 PM NDT 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 8:00 PM NDT 12 March 2025 Tonight and Thursday At 8:00 p.m. NDT tonight low 996 mb located over southern Labrador
Sea.
By 3:30 p.m. NDT Thursday departing low 994 mb located north of
Labrador Sea.

At 8:00 p.m. NDT tonight ridge located over southern Quebec.
By 8:00 p.m. NDT Thursday ridge located over the Maritimes.

Marine Weather Statement

Issued 7:53 PM NDT 12 March 2025 A low pressure system over the Southern Labrador Sea will track
northeastward across the Labrador Sea tonight and Thursday. Strong to
gale force southwesterlies to westerlies south of the low will
gradually diminish as it pulls away.

Marine interests are advised that gale warnings are in effect for
Strait of Belle Isle - western half and Northeast Gulf.

Marine interests are also advised that freezing spray warnings are in
effect for Gulf waters, Southwest Coast, East Coast - north of Cape
St. Francis, and Northeast Coast.

Atlantic - Maritimes Area

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Marine Weather for Canada

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