Marine Forecast
Issued 03:00 AM EST 23 December 2025
Today Tonight and Wednesday.
Wind northwest 15 to 25 knots diminishing to northwest 10 to 15
near noon then becoming light this evening. Wind light Wednesday.
Flurries ending this afternoon. Scattered flurries
overnight and Wednesday. Visibility 1 mile or less in
flurries.
Temperatures near minus 10.
Strong wind warning program has ended for the season.
Winds
Issued 03:00 AM EST 23 December 2025
Today Tonight and Wednesday.
Wind northwest 15 to 25 knots diminishing to northwest 10 to 15
near noon then becoming light this evening. Wind light Wednesday.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EST 23 December 2025
Today Tonight and Wednesday.
Seas 1 metre.
Weather & Visibility
Issued 03:00 AM EST 23 December 2025
Today Tonight and Wednesday.
Flurries ending this afternoon. Scattered flurries
overnight and Wednesday. Visibility 1 mile or less in
flurries.
Air temperature
Issued 03:00 AM EST 23 December 2025
Today Tonight and Wednesday.
Temperatures near minus 10.
Ice ForecastsIssued 10:00 AM EST 23 December 2025 Today Tonight and Wednesday Ice EdgeFirst ice edge estimated from 4723N 6136W to 4738N 6112W to 4744N 6124W to 4734N 6159W to 4706N 6212W to 4706N 6147W to 4723N 6136W. Sea ice within the ice edge.
Second ice edge estimated from Nova Scotia near 4700N 6038W to 4625N 6119W to 4554N 6144W to 4557N 6211W to Prince Edward Island near 4621N 6211W. Sea ice east then west of the ice edge.
Third ice edge estimated from Prince Edward Island near 4628N 6231W to 4640N 6329W to 4736N 6409W to 4904N 6404W to 4925N 6516W to 4916N 6703W to 4956N 6635W to Anticosti Island near 4924N 6336W. Sea ice west then north of the ice edge.
Fourth ice edge estimated from Anticosti Island near 4945N 6301W to 4946N 5954W to 5106N 5804W to 5035N 5733W to 4818N 5929W to 4731N 5923W to 4732N 5728W to 4719N 5552W to Newfoundland near 4657N 5559W. Sea ice north then east of the ice edge.
No watches or warnings in effect.
Technical Marine SynopsisIssued 3:00 AM EST 23 December 2025 Today Tonight and Wednesday At 3:00 a.m. EST today ridge located on a line north-south over Saguenay River. By 7:00 p.m. EST tonight ridge located on a line north-south over Sept-Îles.
At 3:00 a.m. EST today low 1012 mb located over western Ontario. By 4:00 a.m. EST Wednesday low 1007 mb located over the Gulf of Maine.
At 7:00 p.m. EST tonight ridge located on a line north-south over western Ontario. By 7:00 p.m. EST Wednesday ridge located from Lake Ontario to Labrador.
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