Marine Forecast
Issued 10:00 AM AST 19 December 2025
Today Tonight and Saturday.
Storm warning in effect.
Wind south 30 knots increasing to south 40 near noon and to
south 50 late this afternoon. Wind diminishing to westerly 40 late this evening
and to northwest 30 near noon Saturday. Wind diminishing to northwest 20
Saturday afternoon and to light Saturday evening.
Periods of rain and fog patches ending this evening with a
risk of thunderstorms.
Winds
Issued 10:00 AM AST 19 December 2025
Today Tonight and Saturday.
Storm warning in effect.
Wind south 30 knots increasing to south 40 near noon and to
south 50 late this afternoon. Wind diminishing to westerly 40 late this evening
and to northwest 30 near noon Saturday. Wind diminishing to northwest 20
Saturday afternoon and to light Saturday evening.
Waves
Issued 05:00 AM AST 19 December 2025
Today Tonight and Saturday.
Seas 2 to 3 metres building to 3 to 5 this afternoon and to 5 to
7 this evening. Seas subsiding to 3 to 5 Saturday evening.
Weather & Visibility
Issued 10:00 AM AST 19 December 2025
Today Tonight and Saturday.
Periods of rain and fog patches ending this evening with a
risk of thunderstorms.
Ice Forecasts
Issued 10:00 AM EST 19 December 2025 Today Tonight and Saturday Ice Edge
First 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 4540N 6136W 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 5035N 5733W to 4818N 5929W to 4731N
5923W to Newfoundland near 4736N 5740W. Sea ice north then east of
the ice edge.
Iceberg Bulletin
Issued 1:30 PM EST 18 December 2025 Iceberg Limit
Iceberg limit at 0000 UTC 19 Dec estimated from Newfoundland near
5020N 5628W to 5030N 5430W to 5330N 5200W to 5945N 5730W to 6155N
5330W to 6005N 4945W to 5900N 4600W then northeastward.Iceberg Count
No confirmed icebergs.
Warnings (In effect)
Browns Bank
Issued 10:00 AM AST 19 December 2025'Storm' force winds of 48 to 63 knots are occurring or expected to occur in this marine area. 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 10:00 AM AST 19 December 2025 Today Tonight and Saturday At 10:00 a.m. AST today intensifying trough located on a line
north-south over New England.
By 10:00 a.m. AST Saturday departing trough located over the
southeastern Marine District.
At 8:00 p.m. AST Saturday ridge located over the southwestern
Marine District.
Marine Weather Statement
Issued 9:43 AM AST 19 December 2025 A trough of low pressure approaching from the west will intensify as
it tracks across the district later today and tonight to lie east of
the area Saturday afternoon. Winds will strengthen to gale to storm
force southerlies ahead of the trough then shift to gale to storm
force westerlies in its wake. Winds will diminish over southwestern
waters later Saturday as a ridge of high pressure builds in from the
west.
Marine interests are advised that storm warnings are in effect for
all waters except Fundy, Northumberland Strait and Chaleur-Miscou
where gale warnings are in effect.
Freezing spray warnings are in effect for Gulf-Magdalen,
Chaleur-Miscou and Anticosti.