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Grand Manan

Forecast

Marine Forecast

Issued 03:00 AM ADT 19 March 2026

Today Tonight and Friday.

Wind light increasing to south 15 knots Friday morning and to southerly 20 near noon Friday.

Rain or snow Friday evening. Visibility 1 mile or less in precipitation.

Temperatures minus 1 rising to plus 4 Friday evening.

Waves

Issued 05:00 AM ADT 19 March 2026
Today Tonight and Friday. Seas 1 to 2 metres subsiding to 1 or less this afternoon.

Extended Forecast

Issued 03:00 AM ADT 19 March 2026
Saturday Wind southwest 25 knots diminishing to northerly 15 in the morning.
Sunday Wind light increasing to southeast 20 to 25 knots.
Monday Wind northeast 30 knots.

Ice Forecast

Issued 10:00 AM EDT 18 March 2026 Today Tonight and Thursday Open water. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of St. Lawrence - St. Lawrence River marine weather areas
Legend:
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 18 March 2026 Today Tonight and Thursday

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.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 19 March 2026 Today Tonight and Friday At 3:00 a.m. ADT today trough located south of the Marine District.
By 10:00 a.m. ADT Friday departing trough located over the Grand
Banks.

At 10:00 a.m. ADT Friday low 1007 mb located over the Great Lakes.
By 8:00 p.m. ADT Friday approaching low 1007 mb located over
New England.

At 3:00 a.m. ADT today ridge located from Labrador to Banquereau.
By 3:30 p.m. ADT today departing ridge located over Newfoundland.

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