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Northumberland Strait

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 17 July 2025

Tonight and Friday.

Strong wind warning in effect.

Wind southwesterly 10 to 15 knots increasing to south 15 to 20 early this evening and to south 20 to 25 near midnight. Wind diminishing to west 15 late Friday morning then increasing to northwest 20 to 25 Friday afternoon. Wind diminishing to northwest 10 to 15 Friday evening.

Showers overnight and Friday with a risk of thunderstorms.

Extended Forecast

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

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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
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land station Land Station
Ice Conditions

Ice Forecasts

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

Warnings (In effect)

Strong wind warning in effect

Northumberland Strait

Issued 3:30 PM ADT 17 July 2025

'Strong' winds of 20 to 33 knots are 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 3:30 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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