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Grand Manan

Marine Forecast

Issued 03:00 AM AST 05 December 2025

Today Tonight and Saturday.

Gale warning in effect.

Wind northwest 35 knots diminishing to northwest 25 early this morning and to west 15 near noon. Wind diminishing to light overnight then becoming south 15 Saturday evening.

Flurries ending early this morning.

Freezing spray warning in effect.

Freezing spray ending this afternoon.

Temperatures minus 6 rising to plus 5 Saturday evening.

Waves

Issued 05:00 PM AST 04 December 2025
Tonight and Friday. Seas 2 to 3 metres building to 3 to 4 near midnight then subsiding to 1 to 2 early Friday morning.

Ice Forecasts

Issued 10:00 AM EST 4 December 2025 Today Tonight and Friday

Ice Edge

Ice edge estimated from Gaspe Peninsula near 4856N 6712W to 4956N
6635W to 4958N 6014W to Quebec near 5125N 5737W. Sea ice north of
the ice edge.

Ice Coverage

Ice free.

Warnings (In effect)

Gale warning in effect

Grand Manan

Issued 03:00 AM AST 05 December 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.

Freezing spray warning in effect

Grand Manan

Issued 03:00 AM AST 05 December 2025

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.


Technical Marine Synopsis

Issued 3:00 AM AST 5 December 2025 Today Tonight and Saturday At 3:00 a.m. AST today departing trough located from Newfoundland
to Banquereau.

At 10:00 a.m. AST today intensifying low 976 mb located over
eastern Newfoundland.
By 10:00 a.m. AST Saturday low 955 mb located east of Newfoundland.

At 3:30 p.m. AST today ridge located west of the Marine District.
By 3:30 p.m. AST Saturday ridge located over the central Marine
District.

Marine Weather Statement

Issued 2:37 AM AST 5 December 2025 An intensifying trough of low pressure extending from Labrador to
Browns Bank will move eastward to lie east of the marine district by
Friday morning. Gale to storm force northwesterlies will develop in
the wake of the trough.

Marine interests are advised that storm warnings are in effect for
Banquereau, Cabot Strait, Gulf-Magdalen - northeastern half, and
Anticosti - southeastern half. Gale warnings are in effect for all
remaining waters.

Marine interests are also advised that freezing spray warnings are in
effect for all waters except Georges Bank, West Scotian Slope, East
Scotian Slope, and Laurentian Fan.




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