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Cabot Strait


Marine Forecast

Issued 10:00 AM AST 29 January 2020

Today Tonight and Thursday.

Wind northwest 20 to 25 knots increasing to northwest 25 to 30 early this evening then veering to northeast 25 late overnight except variable 15 to 20 over southern sections. Wind increasing to north 25 to 30 Thursday morning then backing to northwest 20 to 25 Thursday evening.

Flurries ending Thursday afternoon. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray beginning this afternoon and ending overnight. Freezing spray beginning Thursday afternoon.

Temperatures near minus 4.


Issued 05:00 AM AST 29 January 2020
Today Tonight and Thursday. Seas 1 to 2 metres building to 2 to 3 this evening.

Extended Forecast

Issued 03:00 AM AST 29 January 2020
Friday Wind northwest 25 to 30 knots.
Saturday Wind northwest 15 to 20 knots diminishing to variable 10 to 15.
Sunday Wind east 20 knots increasing to northeast 35 to 45.

Ice Forecast

Issued 10:00 AM EST 29 January 2020 Today Tonight and Thursday Open water. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of Atlantic - Newfoundland marine weather areas Banquereau - 44139 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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Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 29 January 2020 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Nova Scotia near 4435N 6330W to 4420N 6245W
to 4555N 5930W to 4745N 6040W to 4805N 6010W to 4935N 6145W to 4945N
5810W to 4830N 5920W to 4725N 5930W to Newfoundland near 4710N
5525W. Sea ice west then north then east then north of the ice edge.

Ice Coverage

Open water.


Iceberg Bulletin

Issued 11:00 AM EST 29 January 2020

Iceberg Limit

Iceberg limit at 0000 UTC 29 Jan estimated from the Labrador coast
near 5222N 5537W to 5300N 5300W to 5500N 5300W to 5700N 5545W then

Iceberg Count

No confirmed icebergs.

Warnings (In effect)

Freezing spray warning in effect

Cabot Strait

Issued 10:00 AM AST 29 January 2020

Moderate or severe freezing spray is 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 10:00 AM AST 29 January 2020 Today Tonight and Thursday At 10:00 a.m. AST today low 983 mb located south of the Grand Banks.
By 8:00 p.m. AST tonight departing low 976 mb located east of

At 8:00 p.m. AST tonight intensifying trough located over
southwestern Newfoundland.
By 3:30 p.m. AST Thursday low 1003 mb located south of Laurentian

At 10:00 a.m. AST today high 1028 mb located over Ontario.
By 8:00 p.m. AST Thursday high 1028 mb located over New England.

Marine Weather Statement

Issued 9:41 AM AST 29 January 2020 A trough of low pressure will develop over Southwestern Newfoundland
this evening and intensify as it sweeps southward to lie south of
Laurentian Fan by Thursday afternoon. Gale force northerly winds will
develop behind this system. For eastern shore and Sable regions,
these gales will be confined to central sections.

Marine interests are advised that gale warnings are in effect for
eastern shore, Sable, East Scotian Slope - eastern half, Laurentian
Fan - western half, Northumberland Strait - eastern half, and Gulf
Magdalen - eastern half.

Marine interests are also advised that freezing spray warnings are
In effect for all waters except Georges Bank, West Scotian Slope,
Banquereau and Laurentian Fan.

Atlantic - Newfoundland Area

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