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Anticosti - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 13 March 2026

Today Tonight and Saturday.

Gale warning in effect.

Wind northwest 25 knots with gusts to 35 in the Honguedo Strait. Wind becoming northwest 35 near noon with gusts to 45 in the Honguedo Strait. Wind diminishing to northwest 25 this evening and to northwest 15 to 20 near midnight. Wind diminishing to light overnight then increasing to east 15 to 20 near noon Saturday. Wind increasing to east 25 Saturday afternoon then backing to northeast 30 Saturday evening.

Flurries ending this morning. Flurries Saturday late in the day. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Over open water freezing spray ending near midnight. Freezing spray beginning Saturday afternoon.

Temperatures near minus 6.

Waves

Issued 05:00 AM ADT 13 March 2026
Today Tonight and Saturday. Over open water seas 1 to 2 metres building to 2 to 3 near noon then subsiding to 1 to 2 after midnight. Seas subsiding to 1 or less Saturday morning then building to 1 to 2 Saturday evening.

Extended Forecast

Issued 03:00 AM ADT 13 March 2026
Sunday Wind northeast 25 knots backing to northwest 25 in the afternoon.
Monday Wind southeast 15 to 20 knots increasing to southeast 30.
Tuesday Wind south 35 knots.

Ice Forecast

Issued 10:00 AM EDT 12 March 2026 Today Tonight and Friday Open water except 3 tenths grey-white ice including 1 tenth first-year ice in the western 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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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 12 March 2026 Today Tonight and Friday

Ice Edge

Ice edge estimated from 4420N 6720W to 4430N 6635W to 4330N 6615W to
4315N 6515W to 4603N 5814W to 4722N 5805W to 4643N 5628W to
Newfoundland near 4640N 5530W. Sea ice north of the ice edge.

Ice Coverage

Open water except 3 tenths grey-white ice including 1 tenth
first-year ice in the western section. Consolidated first-year ice
along parts of the coasts.

 

Iceberg Bulletin

Issued 2:53 PM EDT 12 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 13 Mar estimated from Newfoundland near
4640N 5310W to 4520N 4930W to 4555N 4410W to 4815N 4300W to 5220N
4615W to 5650N 5345W to 5930N 5700W to 6120N 5400W to 5825N 4900W
then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti - southern half

Issued 03:00 AM ADT 13 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.

Freezing spray warning in effect

Anticosti - southern half

Issued 03:00 AM ADT 13 March 2026

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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 13 March 2026 Today Tonight and Saturday At 3:00 a.m. ADT today trough located on a line northeast-southwest
over the central Marine District.
By 8:00 p.m. ADT tonight departing trough located east of the
Grand Banks.

At 3:00 a.m. ADT Saturday low 999 mb located over southern Ontario.
By 8:00 p.m. ADT Saturday low 1000 mb located over eastern Nova
Scotia.

Marine Weather Statement

Issued 2:49 AM ADT 13 March 2026 A trough of low pressure over the central marine district this
morning will move eastward across eastern waters today. Strong to
gale force southerlies ahead of the trough will shift to strong to
gale force westerlies in its wake.

A second trough of low pressure will approach the region from the
west on Saturday. Strong to gale force southeasterlies ahead of this
low will shift to strong to gale force westerlies in the wake of the
low Saturday evening.

Marine interests are advised that gale warnings are in effect for all
waters except for Fundy, Grand Manan, Lurcher, Browns Bank,
southwestern shore, Northumberland Strait, Chaleur - Miscou - western
half, and Anticosti - northern half.

Marine interests are also advised that freezing spray warnings are in
effect for Cabot Strait - northern half and all Gulf of St. Lawrence
waters except Northumberland Strait.

Atlantic - Newfoundland Area

Another Region

Marine Weather for Canada

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