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Cabot Strait - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 08 March 2026

Today Tonight and Monday.

Gale warning in effect.

Wind southerly 35 knots with gusts to 45 along the Newfoundland coast. Wind diminishing to southwest 30 this morning then veering to westerly 20 to 25 near midnight. Wind diminishing to west 15 to 20 Monday morning then backing to south 15 Monday afternoon. Wind increasing to south 25 Monday evening.

Scattered showers and fog patches ending overnight. Risk of thunderstorms this morning.

Temperatures near plus 2.

Waves

Issued 05:00 AM ADT 08 March 2026
Today Tonight and Monday. Over open water seas 2 to 3 metres subsiding to 1 to 2 late overnight.

Extended Forecast

Issued 03:00 AM ADT 08 March 2026
Tuesday Wind southwest 30 knots diminishing to light late in the day.
Wednesday Wind northerly 20 to 25 knots diminishing to northeast 15 late in the day.
Thursday Wind southeast 35 knots veering to southwest 35.

Ice Forecast

Issued 10:00 AM EST 7 March 2026 Today Tonight and Sunday 4 tenths new ice including 1 tenth first-year ice. Consolidated grey-white ice in a few sheltered bays. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of Atlantic - Newfoundland marine weather areas Englee Wreckhouse Winterland Branch Hill Stephenville Airport 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
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 7 March 2026 Today Tonight and Sunday

Ice Edge

Ice edge estimated from 4420N 6720W to 4430N 6635W to 4330N 6615W to
4315N 6515W to 4549N 5807W to 4708N 5834W to 4630N 5615W to
Newfoundland near 4640N 5530W. Sea ice north of the ice edge.

Ice Coverage

4 tenths new ice including 1 tenth first-year ice. Consolidated
grey-white ice in a few sheltered bays.

 

Iceberg Bulletin

Issued 1:30 PM EST 7 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 8 Mar estimated from Newfoundland near
4640N 5310W to 4510N 4930W to 4540N 4345W to 4820N 4140W to 5210N
4630W to 5930N 5700W to 6150N 5400W to 5850N 5035W to 5810N 4530W
then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Cabot Strait

Issued 03:00 AM ADT 08 March 2026

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 3:00 AM ADT 8 March 2026 Today Tonight and Monday At 3:00 a.m. ADT today trough located over the St. Lawrence River.
By 8:00 p.m. ADT tonight departing trough located over Newfoundland.

At 8:00 p.m. ADT tonight trough located over Ontario.
By 8:00 p.m. ADT Monday approaching trough located over Quebec.

Marine Weather Statement

Issued 1:30 AM AST 8 March 2026 A trough of low pressure over the St. Lawrence River will track
eastward today reaching Newfoundland by this evening and the Labrador
Sea on Monday. Strong to gale force southwesterly winds ahead of the
trough will diminish in its wake.

Marine interests are advised that gale warnings are in effect for
Banquereau - northern half, Cabot Strait, Gulf-Magdalen -
northeastern half and Anticosti - southeastern half.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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