Marine Forecast
Issued 08:00 PM AST 13 December 2025
Tonight and Sunday.
Wind southwest 20 knots diminishing to variable 10 to 15 early
Sunday morning then becoming northeast 15 Sunday afternoon. Wind increasing to
north 30 Sunday evening.
Scattered showers changing to periods of snow or rain
Sunday morning.
Strong wind warning program has ended for the season.
Winds
Issued 08:00 PM AST 13 December 2025
Tonight and Sunday.
Wind southwest 20 knots diminishing to variable 10 to 15 early
Sunday morning then becoming northeast 15 Sunday afternoon. Wind increasing to
north 30 Sunday evening.
Strong wind warning program has ended for the season.
Waves
Issued 05:00 PM AST 13 December 2025
Tonight and Sunday.
Seas 1 to 2 metres building to 2 to 3 Sunday
evening.
Weather & Visibility
Issued 08:00 PM AST 13 December 2025
Tonight and Sunday.
Scattered showers changing to periods of snow or rain
Sunday morning.
Ice ForecastsIssued 10:00 AM EST 13 December 2025 Today Tonight and Sunday 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 4551N 6201W to Prince Edward Island near 4621N 6211W. Sea ice 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 Newfoundland near 5029N 5728W. Sea ice north of the ice edge.
No watches or warnings in effect.
Technical Marine SynopsisIssued 8:00 PM AST 13 December 2025 Tonight and Sunday At 8:00 p.m. AST tonight ridge located from Quebec to East Scotian Slope. By 3:30 p.m. AST Sunday ridge located from the Gulf of St. Lawrence to the Grand Banks.
At 3:30 p.m. AST Sunday low 1003 mb located southwest of Georges Bank. By 8:00 p.m. AST Sunday low 996 mb located over West Scotian Slope.
Marine Weather StatementIssued 7:40 PM AST 13 December 2025 A low pressure system will approach the marine district on Sunday and move to lie over West Scotian Slope Sunday evening. Strong to Gale force southwest winds are forecast late Sunday over the southern slope waters. Strong to possibly gale force northerlies will develop over western and northern marine areas late Sunday.
Marine interests are advised that gale warnings are in effect for East Scotian Slope - southern half and Laurentian Fan - southern half.
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