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Pointe-des-Monts to Anticosti - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 18 April 2026

Today Tonight and Sunday.

Gale warning in effect.

Wind east 15 knots increasing to southeasterly 20 to 30 early this morning then diminishing to south 15 Sunday morning. Wind increasing to west 25 to 35 Sunday afternoon.

Rain Sunday becoming snow or rain. Visibility as low as 1 mile in precipitation.

Temperatures minus 1 rising to plus 5 Sunday morning.

Waves

Issued 03:00 AM EDT 18 April 2026
Today Tonight and Sunday. Seas 1 metre or less building to 1 to 2 late this morning then subsiding to 1 overnight. Seas building to 2 to 3 Sunday evening.

Extended Forecast

Issued 06:00 AM EDT 18 April 2026
Monday Wind west 25 to 35 knots diminishing to west 15 to 25 late in the day.
Tuesday Wind westerly 15 knots diminishing to light.
Wednesday Wind east 10 to 20 knots.

Ice Forecast

Issued 10:00 AM EDT 17 April 2026 Today Tonight and Saturday Open water. 

[ 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 17 April 2026 Today Tonight and Saturday

Ice Edge

First ice edge estimated from Cape Breton Island near 4621N 6025W to
4655N 6008W to 4742N 6124W to Gaspe Peninsula near 4846N 6410W. Sea
ice southwest of the ice edge.

Second ice edge estimated from Quebec near 4845N 6751W to 5005N
6507W to 4957N 6018W to Newfoundland near 4806N 5905W. Sea ice north
of the ice edge.

Ice Coverage

Open water.

Warnings

Warnings (In effect)

Gale warning in effect

Pointe-des-Monts to Anticosti - southern half

Issued 03:00 AM EDT 18 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 EDT 18 April 2026 Today Tonight and Sunday At 3:00 a.m. EDT today high 1027 mb located over eastern Quebec.
By 8:00 p.m. EDT tonight departing high 1034 mb located off
Newfoundland.

At 3:00 a.m. EDT today deepening trough located on a line
north-south over the Great Lakes.
By 8:00 p.m. EDT tonight trough located on a line north-south over
the Gaspe Peninsula.

At 8:00 p.m. EDT Sunday approaching high 1026 mb located over
northwestern Ontario.

Atlantic - Maritimes Area

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Marine Weather for Canada

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