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Grand Manan

Marine Forecast

Issued 08:00 PM ADT 21 March 2026

Tonight and Sunday.

Wind northwest 25 knots diminishing to northwest 15 near midnight and to light early Sunday morning. Wind increasing to southeast 15 to 20 early Sunday evening.

Snow Sunday late in the day. Visibility 1 mile or less in snow.

Waves

Issued 05:00 PM ADT 21 March 2026
Tonight and Sunday. Seas 1 to 2 metres subsiding to 1 or less early Sunday morning then building to 1 to 2 Sunday evening.

Ice Forecasts

Issued 10:00 AM EDT 21 March 2026 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Nova Scotia near 4437N 6325W to 4419N 6258W
to 4549N 5848W to Newfoundland near 4740N 5814W. Sea ice north of
the ice edge.

Ice Coverage

Open water.

No watches or warnings in effect.


Technical Marine Synopsis

Issued 8:00 PM ADT 21 March 2026 Tonight and Sunday At 8:00 p.m. ADT tonight low 1000 mb located over eastern Nova
Scotia.
By 3:30 p.m. ADT Sunday departing low 984 mb located northeast
of Newfoundland.

At 10:00 a.m. ADT Sunday ridge located over the western Marine
District.
By 8:00 p.m. ADT Sunday ridge located over the central Marine
District.

At 8:00 p.m. ADT Sunday approaching trough located on a line
east-west over southern New England.

Marine Weather Statement

Issued 7:47 PM ADT 21 March 2026 A low pressure system over Eastern Nova Scotia will intensify and
track northeastward tonight and Sunday. Winds will increase to strong
to gale force northwesterlies in the wake of this system tonight with
winds expected to reach storm force over Northeastern Banquereau.

Winds will diminish during the day Sunday as the low moves northeast
of Newfoundland and a ridge of high pressure moves into the marine
district. Over southwestern waters late Sunday, winds will increase
as a trough over Southern New England approaches.

Marine interests are advised that a storm warning is in effect for
Banquereau - northeastern half. Gale warnings are in effect for
eastern shore - eastern half, Sable - eastern half, East Scotian
Slope - eastern half, Fourchu, Banquereau - southwestern half,
Laurentian Fan, Cabot Strait, Gulf-Magdalen - eastern half and
Anticosti - eastern half.

Marine interests are also advised that freezing spray warnings are in
effect for Cabot Strait, Gulf-Magdalen - eastern half, and Anticosti.




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