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Anticosti - northwestern half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM AST 07 March 2026

Today Tonight and Sunday.

Wind southerly 25 knots diminishing to variable 10 to 15 late overnight then increasing to northwest 15 to 20 early Sunday morning. Wind diminishing to light Sunday evening.

Flurries beginning this afternoon changing to periods of rain this evening and ending near noon Sunday. Fog patches forming after midnight and dissipating Sunday morning.

Over open water risk of freezing spray late this morning and this afternoon.

Temperatures minus 7 rising to plus 4 overnight then falling to minus 1 Sunday evening.

Waves

Issued 05:00 AM AST 07 March 2026

Anticosti - eastern half

Today Tonight and Sunday. Over open water seas 1 metre or less building to 1 to 2 this morning and to 2 to 3 this afternoon. Seas building to 3 to 4 this evening then subsiding to 2 to 3 Sunday morning and to 1 to 2 Sunday afternoon.

Anticosti - western half

Today Tonight and Sunday. Over open water seas 1 metre or less.

Extended Forecast

Issued 03:00 AM AST 07 March 2026
Monday Wind variable 10 to 15 knots increasing to southwest 20 to 25 in the afternoon.
Tuesday Wind westerly 35 knots diminishing to northwest 20.
Wednesday Wind north 15 knots diminishing to light.

Ice Forecast

Issued 10:00 AM EST 7 March 2026 Today Tonight and Sunday 5 tenths new ice including 2 tenths grey ice except 7 tenths grey-white ice including 1 tenth first-year ice in the southern section. Consolidated first-year ice along parts of the coasts. 

[ Canadian Ice Service ]

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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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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

5 tenths new ice including 2 tenths grey ice except 7 tenths
grey-white ice including 1 tenth first-year ice in the southern
section. Consolidated first-year ice along parts of the coasts.

 

Iceberg Bulletin

Issued 1:46 PM EST 6 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 7 Mar estimated from Newfoundland near
4640N 5310W to 4455N 4955W to 4545N 4525W to 4820N 4140W to 5930N
5700W to 6150N 5400W to 5850N 5035W to 5810N 4530W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM AST 7 March 2026 Today Tonight and Sunday At 10:00 a.m. AST today low located south of East Scotian Slope.
By 8:00 p.m. AST tonight dissipating low located south of East
Scotian Slope.

At 8:00 p.m. AST tonight trough located over Quebec.
By 3:30 p.m. ADT Sunday trough located over the Gulf of
St. Lawrence.

At 10:00 a.m. AST today departing ridge located east of the Marine
District.

Marine Weather Statement

Issued 9:36 AM AST 7 March 2026 A trough of low pressure will approach from the west today and
tonight to lie over the Gulf of St. Lawrence Sunday afternoon.
Winds will increase to strong to gale force southwesterlies ahead of
the trough.

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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