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Cabot Strait


Marine Forecast

Issued 03:00 AM ADT 20 October 2021

Today Tonight and Thursday.

Strong wind warning in effect.

Wind light increasing to northerly 15 knots this morning and to northwest 20 to 25 this afternoon. Wind diminishing to westerly 15 Thursday afternoon.

Scattered showers.


Issued 05:00 AM ADT 20 October 2021
Today Tonight and Thursday. Seas 1 to 2 metres subsiding to 1 or less Thursday evening.

Extended Forecast

Issued 03:00 AM ADT 20 October 2021
Friday Wind southeast 15 to 20 knots veering to south 20 to 25 in the afternoon.
Saturday Wind south 15 to 20 knots becoming variable 15.
Sunday Wind west 15 to 20 knots increasing to west 30.

Ice Forecast

Issued 10:00 AM EDT 25 April 2021 Forecasts available to mariners upon request. 

[ Canadian Ice Service ]

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Weather Conditions

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

Ice Forecasts

Issued 10:00 AM EDT 25 April 2021

Ice Coverage

Forecasts available to mariners upon request.


Iceberg Bulletin

Issued 2:30 PM EDT 19 October 2021

Iceberg Limit

Iceberg limit at 0000 UTC 20 Oct estimated from the Labrador coast
near 5228N 5546W to 5245N 5445W to 5430N 5230W to 5800N 5700W to
5905N 5735W to 5940N 5425W to 5810N 5355W to 5650N 5220W to 5700N
5045W then eastwards.

Iceberg Count

No confirmed icebergs.

Warnings (In effect)

Strong wind warning in effect

Cabot Strait

Issued 03:00 AM ADT 20 October 2021

'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.


Technical Marine Synopsis

Issued 3:00 AM ADT 20 October 2021 Today Tonight and Thursday At 3:00 a.m. ADT today dissipating low 1001 mb located over the
Gaspe Peninsula.

At 3:00 a.m. ADT today low 999 mb located over the eastern Marine
By 3:30 p.m. ADT today intensifying low 992 mb located east of

At 8:00 p.m. ADT tonight ridge located west of the Maritimes.
By 8:00 p.m. ADT Thursday ridge located on a line north-south over
Cape Breton Island.

Marine Weather Statement

Issued 2:51 AM ADT 20 October 2021 Waterspouts are possible this morning over Georges Bank, west
Scotian Slope and East Scotian Slope, and intense and highly
Variable wind gusts may develop.

Strong northwesterly winds over extreme southwestern marine waters
could potentially reach gale force today between a departing low to
the northeast and a ridge to the southwest.

Atlantic - Newfoundland Area

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