Southwest Coast
Forecast
Marine Forecast
Issued 10:00 AM NST 05 December 2025
Today Tonight and Saturday.
Storm warning in effect.
Wind northwest 40 to 50 knots increasing to northwest 50 to 60 near noon then diminishing to northwest 35 to 45 late overnight. Wind diminishing to northwest 25 Saturday afternoon and to northwest 15 to 20 Saturday evening.
Flurries ending Saturday morning. Visibility 1 mile or less in flurries.
Freezing spray warning in effect.
Freezing spray over northwestern sections near noon.
Temperatures near minus 2.
Waves
Extended Forecast
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EST 5 December 2025 Today Tonight and SaturdayIce Edge
First ice edge estimated from New Brunswick near 4705N 6450W to4758N 6416W to Gaspe Peninsula near 4830N 6413W. Sea ice east of the
ice edge.
Second ice edge estimated from Gaspe Peninsula near 4856N 6712W to
4956N 6635W to 4958N 6014W to Quebec near 5125N 5737W. Sea ice north
of the ice edge.
Ice Coverage
Ice free.
Iceberg Bulletin
Issued 1:30 PM EST 4 December 2025Iceberg Limit
Iceberg limit at 0000 UTC 5 Dec estimated from Newfoundland near4900N 5350W to 4900N 4815W to 5000N 4700W to 5100N 4730W to 5945N
5730W to 6120N 5340W then eastward.
Iceberg Count
No confirmed icebergs.Warnings
Warnings (In effect)
Storm warning in effect
Southwest Coast
Issued 10:00 AM NST 05 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.
Freezing spray warning in effect
Southwest Coast
Issued 10:00 AM NST 05 December 2025Moderate or severe freezing spray is 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.
Synopsis
Technical Marine Synopsis
Issued 10:00 AM NST 5 December 2025 Today Tonight and Saturday At 10:00 a.m. NST today deepening low 979 mb located northeastof Newfoundland.
By 3:00 a.m. NST Saturday low 956 mb located east of Funk Island
Bank.
At 3:00 a.m. NST Saturday approaching ridge located on a line
north-south over the Maritimes.
Marine Weather Statement
Issued 10:06 AM NST 5 December 2025 An intensifying low pressure system northeast of Newfoundland willmove to lie and meander over Funk Island Bank this afternoon and
evening. Strong to gale force southeasterly to northeasterly winds
will spread over eastern and northern waters ahead of the low while
gale to storm force west to northwesterlies will spread over most
waters in its wake. Winds will further intensify to storm to
hurricane force west to northwesterlies tonight as the low deepens,
before slowly diminishing on Saturday as the low moves east of the
marine district.
Marine interests are advised that hurricane force wind warnings are
in effect for Funk Island Bank and Northern Grand Banks.
Storm warnings are in effect for Gulf - Port au Port, Southwest
Coast, South Coast, East Coast, Northeast Coast, and Southern Grand
Banks. Gale warnings are in effect for Strait of Belle Isle - eastern
half, Northeast Gulf, and Belle Isle Bank.
Marine interests are also advised that freezing spray warnings are in
effect for Strait of Belle Isle - western half, Gulf waters,
Southwest Coast, East Coast, and Northeast Coast.
Atlantic - Maritimes Area
- Anticosti - northwestern half
- Anticosti - southeastern half
- Banquereau - northern half
- Banquereau - southern half
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore - eastern half
- Eastern Shore - western half
- East Coast - Cape St. Francis and south
- East Scotian Slope - eastern half
- East Scotian Slope - western half
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern half
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan
- Lurcher
- L'Isle-aux-Coudres to Tadoussac
- Northumberland Strait - eastern half
- Northumberland Strait - western half
- Pointe à Michel to Pointe-des-Monts
- Pointe-des-Monts to Anticosti - northern half
- Pointe-des-Monts to Anticosti - southern half
- Sable - eastern half
- Sable - western half
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
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