Marine Forecast
Issued 08:00 PM ADT 21 March 2026
Tonight and Sunday.
Wind northwest 30 knots diminishing to northwest 15 Sunday
afternoon and to light early Sunday evening.
Snow this evening. Visibility 1 mile or less in
snow.
Over open water risk of freezing spray late overnight and
Sunday.
Temperatures near minus 3.
Strong wind warning program has ended for the season.
Winds
Issued 08:00 PM ADT 21 March 2026
Tonight and Sunday.
Wind northwest 30 knots diminishing to northwest 15 Sunday
afternoon and to light early Sunday evening.
Strong wind warning program has ended for the season.
Weather & Visibility
Issued 08:00 PM ADT 21 March 2026
Tonight and Sunday.
Snow this evening. Visibility 1 mile or less in
snow.
Air temperature
Issued 08:00 PM ADT 21 March 2026
Tonight and Sunday.
Temperatures near minus 3.
Freezing Spray
Issued 08:00 PM ADT 21 March 2026
Tonight and Sunday.
Over open water risk of freezing spray late overnight and
Sunday.
Ice ForecastsIssued 10:00 AM EDT 21 March 2026 Today Tonight and Sunday Ice EdgeIce 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
3 tenths first-year ice except 9 tenths first-year ice near Prince Edward Island and Cape Breton Island coasts. Consolidated first-year ice along parts of the coasts.
No watches or warnings in effect.
Technical Marine SynopsisIssued 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 StatementIssued 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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