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Cabot Strait

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 12 July 2025

Today Tonight and Sunday.

Strong wind warning in effect.

Wind variable 10 to 15 knots increasing to northwest 20 late this afternoon then diminishing to northwest 15 late this evening. Wind diminishing to light late overnight then becoming southwest 10 to 15 Sunday evening.

Waves

Issued 05:00 AM ADT 12 July 2025

Cabot Strait - northern half

Today Tonight and Sunday. Seas 1 metre or less.

Cabot Strait - southern half

Today Tonight and Sunday. Seas 1 to 2 metres subsiding to 1 or less Sunday morning.

Extended Forecast

Issued 03:00 AM ADT 12 July 2025
Monday Wind southwesterly 20 knots.
Tuesday Wind southwest 15 to 20 knots becoming variable 15.
Wednesday Wind northwest 20 knots.

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Map of Atlantic - Newfoundland marine weather areas Eskasoni (First Nations) Heath Point Bonavista Wreckhouse St.Paul Island Winterland Branch Hill Twillingate Stephenville Airport Burgeo St. Lawrence St. John's Int'l Airport St. Anthony Airport Grates Cove Cape Race Grand Étang Sagona Island North Mountain Port aux Basques Ingonish Beach La Scie Ferolle Point Englee Daniel's Harbour Corner Brook Cartwright Airport East Point West Chedabucto Bay – 44489 Blanc-Sablon Airport East Chedabucto Bay – 44488 Cap Whittle Chevery Banquereau - 44139 Charlottetown Airport Mary's Harbour North Cape Natashquan Airport Argentia J.A. Douglas McCurdy Sydney Airport Berry Hill Long Pond Îles de la Madeleine Airport Miscou Island Marticot Island Pool's Island
Legend:
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.
 

Iceberg Bulletin

Issued 2:46 PM EDT 11 July 2025

Iceberg Limit

Iceberg limit at 0000 UTC 12 Jul estimated from Newfoundland near
4640N 5310W to 4555N 4505W to 4910N 4205W to 5430N 4920W to 5645N
5340W to 5745N 5405W to 6035N 5330W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Cabot Strait

Issued 10:00 AM ADT 12 July 2025

'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 12 July 2025 Today Tonight and Sunday At 10:00 a.m. ADT today low 1009 mb located south of the Avalon
Peninsula.
By 8:00 p.m. ADT tonight departing low 1007 mb located over the
Grand Banks.

At 10:00 a.m. ADT today ridge located over the Maritimes.
By 3:30 p.m. ADT Sunday ridge located over the southern Marine
District.

At 3:30 p.m. ADT Sunday approaching low 1014 mb located southwest
of Georges Bank.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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