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Gulf - Port au Port

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 19 April 2026

Today Tonight and Monday.

Gale warning in effect.

Wind southeast 25 knots and locally southeast 45 along the Newfoundland coast. Wind becoming south 35 near noon with gusts to 55 along the Newfoundland coast. Wind becoming south 25 to 35 Monday morning with gusts to 45 along the Newfoundland coast. Wind becoming southwest 25 near noon Monday then veering to west 15 to 20 Monday afternoon.

Showers beginning this morning and ending Monday afternoon. Fog patches forming this evening and dissipating near noon Monday.

Waves

Issued 06:00 PM NDT 18 April 2026
Tonight and Sunday. Seas 1 metre or less building to 2 to 3 late overnight and to 3 to 4 Sunday afternoon.

Extended Forecast

Issued 03:00 AM NDT 19 April 2026
Tuesday Wind west 20 knots veering to north 10 to 15 in the afternoon.
Wednesday Wind north 25 to 35 knots.
Thursday Wind north 25 to 35 knots.

Ice Forecast

Issued 10:00 AM EDT 18 April 2026 Today Tonight and Sunday Open water. Consolidated rotten 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 18 April 2026 Today Tonight and Sunday

Ice Edge

First ice edge estimated from Cape Breton Island near 4702N 6025W to
4745N 6115W to Gaspe Peninsula near 4846N 6410W. Sea ice southwest
of the ice edge.

Second ice edge estimated from Quebec near 4838N 6811W to 5005N
6600W to 4945N 6015W to Newfoundland near 4806N 5905W. Sea ice north
of the ice edge.

Ice Coverage

Open water. Consolidated rotten first-year ice along parts of the
coasts.

 

Iceberg Bulletin

Issued 2:30 PM EDT 18 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 19 Apr estimated from Newfoundland near
4655N 5400W to 4500N 5200W to 4440N 4710W to 4630N 4415W to 5000N
4425W to 5305N 4755W to 5900N 5500W to 6015N 5245W to 5830N 5000W
then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Gulf - Port au Port

Issued 03:24 AM NDT 19 April 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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM NDT 19 April 2026 Today Tonight and Monday At 3:00 a.m. NDT today ridge located east of Newfoundland.
By 8:00 p.m. NDT tonight departing ridge located east of the
Grand Banks.

At 3:00 a.m. NDT today trough located over southern Quebec.
By 3:00 a.m. NDT Monday trough located over the Gulf of
St. Lawrence.

Marine Weather Statement

Issued 2:41 AM NDT 19 April 2026 A trough of low pressure over the St. Lawrence River Valley will move
to lie over Western Newfoundland by Monday afternoon. Strong to gale
force southerlies ahead of the trough will shift to strong westerlies
as it passes.

Marine interests are advised that a gale warning is in effect for
Gulf - Port au Port.

Atlantic - Maritimes Area

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Marine Weather for Canada

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