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Cabot Strait

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 18 May 2026

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind northwest 20 to 25 knots diminishing to west 15 early this evening and to light late overnight. Wind becoming southeast 15 Tuesday evening.

Scattered showers Tuesday. Fog patches forming Tuesday afternoon.

Waves

Issued 05:00 AM ADT 18 May 2026
Today Tonight and Tuesday. Seas 2 to 3 metres subsiding to 1 to 2 this evening and to 1 or less Tuesday morning.

Extended Forecast

Issued 03:00 AM ADT 18 May 2026
Wednesday Wind southeast 20 knots diminishing to variable 10 to 15 in the afternoon.
Thursday Wind variable 10 to 15 knots increasing to northwest 25.
Friday Wind westerly 20 knots.

Ice Forecast

Issued 10:00 AM EDT 18 May 2026 Today Tonight and Tuesday Ice free.These are the last forecasts for the season. 

[ 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 May 2026 Today Tonight and Tuesday

Ice Edge

Ice edge is outside the forecast region.

Ice Coverage

Ice free.

These are the last forecasts for the season.
 

Iceberg Bulletin

Issued 2:46 PM EDT 17 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 18 May estimated from Newfoundland near
4700N 5520W to 4230N 5000W to 4230N 4800W to 4400N 4600W to 4845N
4335W to 5310N 4635W to 5550N 5010W to 5900N 5500W to 5955N 5310W to
5840N 4800W then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Cabot Strait

Issued 10:00 AM ADT 18 May 2026

'Strong' winds of 20 to 33 knots are 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 10:00 AM ADT 18 May 2026 Today Tonight and Tuesday At 10:00 a.m. ADT today departing trough located southeast of the
Marine District.

At 10:00 a.m. ADT today ridge located on a line north-south over
New England.
By 3:00 a.m. ADT Tuesday ridge located on a line north-south over
the eastern Marine District.

Marine Weather Statement

Issued 2:44 AM ADT 18 May 2026 Gale warnings are no longer in effect.

Atlantic - Maritimes Area

Another Region

Marine Weather for Canada

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