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Cabot Strait - northern half

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 20 July 2026

Tonight and Tuesday.

Strong wind warning in effect.

Wind southwest 25 knots diminishing to southwest 15 late this evening then backing to southeast 15 Tuesday afternoon. Wind increasing to southeast 20 Tuesday evening.

Waves

Issued 05:00 PM ADT 20 July 2026
Tonight and Tuesday. Seas 1 to 2 metres subsiding to 1 or less near noon Tuesday.

Extended Forecast

Issued 03:30 PM ADT 20 July 2026
Wednesday Wind southeast 20 knots increasing to southeasterly 30 in the afternoon.
Thursday Wind southwesterly 25 knots.
Friday Wind southwesterly 15 knots.

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

Ice Forecasts

Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
 

Iceberg Bulletin

Issued 2:30 PM EDT 20 July 2026

Iceberg Limit

Iceberg limit at 0000 UTC 21 Jul estimated from Newfoundland near
4805N 5255W to 4700N 4600W to 4730N 4430W to 4830N 4430W to 5535N
5100W to 5745N 5400W to 5825N 4825W to 5720N 4510W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Cabot Strait - northern half

Issued 8:00 PM ADT 20 July 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.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 20 July 2026 Tonight and Tuesday At 8:00 p.m. ADT tonight departing low 992 mb located north of
Anticosti Island.

At 8:00 p.m. ADT tonight ridge located over the southern Marine
District.
By 3:30 p.m. ADT Tuesday ridge located east of the Marine District.

At 8:00 p.m. ADT Tuesday approaching trough located over New
England.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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