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Cabot Strait

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 05 May 2025

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind northwest 25 knots with gusts to 35 diminishing to northwest 20 this afternoon and to light this evening. Wind increasing to south 15 Tuesday morning and to southwest 25 Tuesday evening.

Waves

Issued 05:00 AM ADT 05 May 2025
Today Tonight and Tuesday. Seas 1 to 2 metres subsiding to 1 or less Tuesday morning.

Extended Forecast

Issued 03:00 AM ADT 05 May 2025
Wednesday Wind south 15 to 20 knots increasing to south 25 late in the day.
Thursday Wind south 15 to 20 knots.
Friday Wind northwest 20 knots diminishing to east 15 late in the day.

Ice Forecast

Issued 10:00 AM EDT 5 May 2025 Today Tonight and Tuesday Ice free. 

[ Canadian Ice Service ]

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Weather Conditions

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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 5 May 2025 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Quebec near 5012N 6037W to 4957N 6013W to
5042N 5828W to 5042N 5725W to to Newfoundland near 5014N 5736W. Sea
ice north of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 2:30 PM EDT 4 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 5 May estimated from Newfoundland near
4723N 5503W to 4040N 5210W to 4100N 4720W to 4530N 3335W to 4710N
3245W to 5915N 5605W to 5950N 5415W to 5830N 4530W then eastwards.

Western iceberg limit at 0000 UTC 5 May estimated from Quebec near
5020N 6115W to Newfoundland near 4745N 5910W.

Iceberg Count

No confirmed icebergs except less than 10 icebergs northeast of the
western iceberg limit.
Warnings

Warnings (In effect)

Strong wind warning in effect

Cabot Strait

Issued 10:00 AM ADT 05 May 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 5 May 2025 Today Tonight and Tuesday At 10:00 a.m. ADT today departing trough located on a line
northeast-southwest over the Grand Banks.

At 10:00 a.m. ADT today ridge from 1029 mb high located from the
Gaspe Peninsula to West Scotian Slope.
By 3:30 p.m. ADT Tuesday ridge from 1035 mb high located over the
southeastern Marine District.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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