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Gulf - Port au Port

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 17 March 2026

Today Tonight and Wednesday.

Gale warning in effect.

Wind south 35 to 45 knots veering to southwest 45 near noon then diminishing to southwest 25 to 35 this evening. Wind becoming west 25 Wednesday evening.

Rain and fog banks ending near midnight. Risk of thunderstorms today. Flurries Wednesday.

Freezing spray warning in effect.

Over open water freezing spray beginning Wednesday morning.

Temperatures plus 5 falling to minus 10 to minus 5 Wednesday morning.

Waves

Issued 06:00 AM NDT 17 March 2026
Today Tonight and Wednesday. Outside the ice edge seas 3 to 4 metres building to 4 to 6 near noon then subsiding to 3 to 4 this evening.

Extended Forecast

Issued 03:00 AM NDT 17 March 2026
Thursday Wind west 25 knots diminishing to variable 10 to 15 in the afternoon.
Friday Wind variable 10 to 15 knots increasing to south 15 to 20.
Saturday Wind south 25 knots.

Ice Forecast

Issued 10:00 AM EDT 16 March 2026 Today Tonight and Tuesday Open water except 7 tenths new ice including a trace of first-year ice in the northern Quebec 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 16 March 2026 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Nova Scotia near 4437N 6325W to 4419N 6258W
to 4602N 5807W to Newfoundland near 4740N 5814W. Sea ice north of
the ice edge.

Ice Coverage

Open water except 7 tenths new ice including a trace of first-year
ice in the northern Quebec section. Consolidated first-year ice
along parts of the coasts.

 

Iceberg Bulletin

Issued 2:30 PM EDT 16 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 17 Mar estimated from Newfoundland near
4640N 5310W to 4535N 4600W to 4540N 4400W to 4815N 4300W to 5200N
4700W to 5650N 5345W to 5930N 5700W to 6120N 5400W to 5815N 4855W
then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Gulf - Port au Port

Issued 03:00 AM NDT 17 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 03:00 AM NDT 17 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 3:00 AM NDT 17 March 2026 Today Tonight and Wednesday At 3:00 a.m. NDT today trough located over Newfoundland.
By 8:00 p.m. NDT tonight departing trough located on a line
northwest-southeast over Labrador Sea.

At 3:00 a.m. NDT today trough located over southern Quebec.
By 3:00 a.m. NDT Wednesday trough located over western Newfoundland.

At 3:00 a.m. NDT today ridge located on a line north-south over
the southeastern Grand Banks.
By 10:00 a.m. NDT today departing ridge located east of the Marine
District.

Marine Weather Statement

Issued 2:55 AM NDT 17 March 2026 A trough of low pressure over Newfoundland will track northeastward
today and depart the marine district this evening. Strong to gale
force southeasterlies ahead of the trough will shift to
southwesterlies behind it.

A second trough of low pressure over Southern Quebec will approach
the marine district today and cross Newfoundland overnight tonight.
Strong to gale force southwesterlies ahead of the trough will shift
to westerlies in its wake.

Marine interests are advised that gale warnings are in effect for all
waters.

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

Atlantic - Maritimes Area

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Marine Weather for Canada

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