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Anticosti

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 17 July 2025

Tonight and Friday.

Gale warning in effect.

Wind variable 10 to 15 knots becoming easterly 15 late this afternoon then increasing to southeast 20 to 25 late this evening. Wind veering to south 25 late overnight then increasing to westerly 35 near noon Friday with gusts to 45 in the Honguedo Strait. Wind diminishing to west 25 Friday evening.

Showers tonight and Friday with a risk of thunderstorms.

Waves

Issued 05:00 AM ADT 17 July 2025
Today Tonight and Friday. Seas 1 metre or less building to 1 to 2 late overnight and to 2 to 3 Friday morning. Seas building to 3 to 4 Friday evening.

Extended Forecast

Issued 03:30 PM ADT 17 July 2025
Saturday Wind northwesterly 25 knots backing to southwesterly 15 to 20 in the afternoon.
Sunday Wind southwest 10 to 15 knots diminishing to light.
Monday Wind northeast 10 to 15 knots backing to northwest 15 to 20.

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Map of Atlantic - Newfoundland marine weather areas Eskasoni (First Nations) Heath Point Bonavista Wreckhouse St.Paul Island Winterland Branch Hill Twillingate Stephenville Airport Burgeo St. Lawrence St. John's Int'l Airport St. Anthony Airport Grates Cove Cape Race Grand Étang Sagona Island North Mountain Port aux Basques Ingonish Beach La Scie Ferolle Point Englee Daniel's Harbour Corner Brook Cartwright Airport East Point West Chedabucto Bay – 44489 Blanc-Sablon Airport East Chedabucto Bay – 44488 Cap Whittle Chevery Banquereau - 44139 Charlottetown Airport Mary's Harbour North Cape Natashquan Airport Argentia J.A. Douglas McCurdy Sydney Airport Berry Hill Long Pond Îles de la Madeleine Airport Miscou Island Marticot Island Pool's Island
Legend:
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.
 

Iceberg Bulletin

Issued 2:30 PM EDT 17 July 2025

Iceberg Limit

Iceberg limit at 0000 UTC 18 Jul estimated from Newfoundland near
4709N 5256W to 4655N 4455W to 4945N 4250W to 5430N 4920W to 5645N
5340W to 5745N 5405W to 6100N 5310W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti

Issued 3:30 PM ADT 17 July 2025

'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 3:30 PM ADT 17 July 2025 Tonight and Friday At 3:30 p.m. ADT today low 1003 mb located over southern Quebec.
By 3:00 a.m. ADT Friday low 995 mb located over the St. Lawrence
River.

At 8:00 p.m. ADT Friday low 988 mb located over Labrador.

Marine Weather Statement

Issued 3:11 PM ADT 17 July 2025 A low pressure system over Southern Quebec will intensify as is
tracks northeastward along the St. Lawrence River tonight to lie over
Labrador on Friday. Strong southerly winds will veer to strong to
gale force westerly winds on Friday in the wake of the system before
diminishing Friday night.

Marine interests are advised that a gale warning is in effect for
Anticosti.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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