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Gulf - Port au Port

Forecast

Marine Forecast

Issued 08:00 PM NDT 12 March 2026

Tonight and Friday.

Gale warning in effect.

Wind southwest 25 knots except northeast 25 with gusts to 35 over northern sections. Wind diminishing to north 15 late overnight then increasing to northwest 25 near noon Friday. Wind increasing to northwest 35 early Friday evening.

Rain or freezing rain changing to snow Friday morning. Fog patches dissipating late overnight.

Freezing spray warning in effect.

Over open water freezing spray beginning near noon Friday.

Temperatures minus 3 to plus 5 falling to minus 7 to minus 2 Friday morning.

Waves

Issued 06:00 PM NDT 12 March 2026
Tonight and Friday. Seas 1 to 2 metres building to 3 to 4 Friday evening.

Extended Forecast

Issued 03:30 PM NDT 12 March 2026
Saturday Wind west 15 to 20 knots diminishing to light in the afternoon then increasing to east 25 late in the day.
Sunday Wind northeast 25 knots backing to northwest 15 to 20.
Monday Wind light increasing to southeast 15 to 20 knots.

Ice Forecast

Issued 10:00 AM EDT 12 March 2026 Today Tonight and Friday Open water except 3 tenths grey-white ice including 1 tenth first-year ice in the extreme northeastern section. Consolidated first-year ice along parts of the coasts. 

[ Canadian Ice Service ]

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Map of Atlantic - Maritimes marine weather areas East Scotia Slope - 44137 Cap-Chat Burgeo Île Bicquette New Carlisle Îles de la Madeleine Airport Port Menier Summerside North Cape Pointe-au-Père Mont-Joli Airport La Pocatière Wreckhouse Banquereau - 44139 Port aux Basques Sagona Island Gaspé Airport LaHave Bank - 44150 Halifax Harbour - 44258 St. Lawrence Stephenville Airport Western Head Winterland Branch Hill Île aux Perroquets Beaver Island Baccaro Point St. Stephen Pointe-des-Monts Saint John Airport Sept-Îles Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Longue-Pointe-de-Mingan Miscou Island Île Rouge Kouchibouguac Pointe-Noire Kouchibouguac Havre-Saint-Pierre Airport Grand Manan Fundy Park (Alma) Miramichi Charlo West Chedabucto Bay – 44489 Bathurst Airport Baie-Comeau Airport Bas Caraquet East Chedabucto Bay – 44488 Nappan AAFC East Point Charlottetown Airport Yarmouth Airport Cap-d'Espoir Tracadie J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Rivière-la-Madeleine McNabs Island Lunenburg Kentville AAFC Ingonish Beach Hart Island CFB Greenwood Grand Étang Eskasoni (First Nations) Debert Caribou Point Brier Island
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 12 March 2026 Today Tonight and Friday

Ice Edge

Ice edge estimated from 4420N 6720W to 4430N 6635W to 4330N 6615W to
4315N 6515W to 4603N 5814W to 4722N 5805W to 4643N 5628W to
Newfoundland near 4640N 5530W. Sea ice north of the ice edge.

Ice Coverage

Open water except 3 tenths grey-white ice including 1 tenth
first-year ice in the extreme northeastern section. Consolidated
first-year ice along parts of the coasts.

 

Iceberg Bulletin

Issued 2:53 PM EDT 12 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 13 Mar estimated from Newfoundland near
4640N 5310W to 4520N 4930W to 4555N 4410W to 4815N 4300W to 5220N
4615W to 5650N 5345W to 5930N 5700W to 6120N 5400W to 5825N 4900W
then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Gulf - Port au Port

Issued 8:00 PM NDT 12 March 2026

'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 - Port au Port

Issued 8:00 PM NDT 12 March 2026

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 2026 Tonight and Friday At 8:00 p.m. NDT tonight deepening low 993 mb located over the
Gulf of St. Lawrence.
By 8:00 p.m. NDT Friday low 963 mb located over Belle Isle Bank.

Marine Weather Statement

Issued 7:54 PM NDT 12 March 2026 A deepening low pressure system over the Gulf of St. Lawrence will
move over Western Newfoundland tonight and stall before moving across
the Northeast Coast and Belle Isle Bank late in the day on Friday.
Strong to gale force northeasterlies to southeasterlies are expected
north of the low tonight with strong to gale force southwesterlies to
its south. As the low rapidly deepens on Friday, gale to storm force
northwesterlies to southwesterlies will develop to its south.

Marine interests are advised that storm warnings are in effect for
East Coast, Northeast Coast, Belle Isle Bank, and Funk Island Bank.
Gale warnings are in effect for all remaining waters.

Marine interests are also advised that freezing spray warnings are in
effect for Strait of Belle Isle, Gulf waters, Southwest Coast,
Northeast Coast, and Belle Isle Bank.

Atlantic - Maritimes Area

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