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Laurentian Fan

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 12 March 2026

Today Tonight and Friday.

Gale warning in effect.

Wind south 20 knots veering to southwest 25 this morning then increasing to southwest 35 this afternoon. Wind backing to south 40 Friday morning then veering to west 40 near noon Friday. Wind diminishing to west 25 Friday evening.

Showers and fog banks ending near noon Friday. Risk of thunderstorms Friday morning.

Waves

Issued 05:00 PM ADT 11 March 2026
Tonight and Thursday. Seas 1 to 2 metres building to 2 to 3 near noon Thursday and to 3 to 4 Thursday evening.

Extended Forecast

Issued 03:00 AM ADT 12 March 2026
Saturday Wind variable 15 knots increasing to southeast 40 in the afternoon.
Sunday Wind west 40 knots diminishing to northwest 25.
Monday Wind variable 10 to 15 knots increasing to southeast 25.

Ice Forecast

Issued 10:00 AM EDT 11 March 2026 Today Tonight and Thursday Ice free. 

[ 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 EDT 11 March 2026 Today Tonight and Thursday

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

Ice free.

 

Iceberg Bulletin

Issued 2:59 PM EDT 11 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 12 Mar estimated from Newfoundland near
4640N 5310W to 4520N 4930W to 4555N 4410W to 4815N 4300W to 5930N
5700W to 6120N 5400W to 5825N 4900W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Laurentian Fan

Issued 03:00 AM ADT 12 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 12 March 2026 Today Tonight and Friday At 3:00 a.m. ADT today low 995 mb located over southern Quebec.
By 3:30 p.m. ADT today low 994 mb located over the Gulf of
St. Lawrence.

At 3:00 a.m. ADT Friday trough from low located on a line
northeast-southwest over the eastern Marine District.
By 8:00 p.m. ADT Friday departing trough located east of the
Grand Banks.

Marine Weather Statement

Issued 2:48 AM ADT 12 March 2026 A low pressure system approaching from Southern Quebec will move
eastward across the Gulf of St. Lawrence today. Strong to gale force
southeasterlies will develop ahead of the low today and shift to
strong to gale force northwesterlies in its wake.

Marine interests are advised that gale warnings are in effect for all
waters except for Fundy, Northumberland Strait, and Chaleur - Miscou
- western 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

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Marine Weather for Canada

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