Marine Forecast
Issued 03:00 AM ADT 12 March 2026
Today Tonight and Friday.
Gale warning in effect.
Wind south 25 knots increasing to southwest 35 this morning then
diminishing to northwest 30 early this evening. Wind diminishing to northwest 20
near noon Friday and to variable 10 to 15 Friday afternoon. Wind becoming south
15 Friday evening.
Showers today and tonight. Risk of thunderstorms tonight.
Fog banks dissipating this evening.
Winds
Issued 03:00 AM ADT 12 March 2026
Today Tonight and Friday.
Gale warning in effect.
Wind south 25 knots increasing to southwest 35 this morning then
diminishing to northwest 30 early this evening. Wind diminishing to northwest 20
near noon Friday and to variable 10 to 15 Friday afternoon. Wind becoming south
15 Friday evening.
Waves
Issued 05:00 AM ADT 12 March 2026
Today Tonight and Friday.
Seas 2 to 3 metres building to 3 to 4 this morning then subsiding
to 2 to 3 Friday afternoon.
Weather & Visibility
Issued 03:00 AM ADT 12 March 2026
Today Tonight and Friday.
Showers today and tonight. Risk of thunderstorms tonight.
Fog banks dissipating this evening.
Ice Forecasts
Issued 10:00 AM EDT 11 March 2026 Today Tonight and Thursday Ice Edge
Ice edge estimated from 4420N 6720W to 4430N 6635W to 4330N 6615W to
4315N 6515W to 4603N 5814W to 4722N 5805W to 4643N 5628W to
Newfoundland near 4640N 5530W. Sea ice north of the ice edge.
Iceberg Bulletin
Issued 2:59 PM EDT 11 March 2026 Iceberg Limit
Iceberg limit at 0000 UTC 12 Mar estimated from Newfoundland near
4640N 5310W to 4520N 4930W to 4555N 4410W to 4815N 4300W to 5930N
5700W to 6120N 5400W to 5825N 4900W then eastward.Iceberg Count
No confirmed icebergs.
Warnings (In effect)
Georges Bank
Issued 03:00 AM ADT 12 March 2026'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.
Technical Marine Synopsis
Issued 3:00 AM ADT 12 March 2026 Today Tonight and Friday At 3:00 a.m. ADT today low 995 mb located over southern Quebec.
By 3:30 p.m. ADT today low 994 mb located over the Gulf of
St. Lawrence.
At 3:00 a.m. ADT Friday trough from low located on a line
northeast-southwest over the eastern Marine District.
By 8:00 p.m. ADT Friday departing trough located east of the
Grand Banks.
Marine Weather Statement
Issued 2:48 AM ADT 12 March 2026 A low pressure system approaching from Southern Quebec will move
eastward across the Gulf of St. Lawrence today. Strong to gale force
southeasterlies will develop ahead of the low today and shift to
strong to gale force northwesterlies in its wake.
Marine interests are advised that gale warnings are in effect for all
waters except for Fundy, Northumberland Strait, and Chaleur - Miscou
- western half.
Marine interests are also advised that freezing spray warnings are in
effect for Cabot Strait - northern half and all Gulf of St. Lawrence
waters except Northumberland Strait.