Anticosti - northeastern half
Forecast
Marine Forecast
Issued 10:00 AM ADT 04 May 2025
Today Tonight and Monday.
Strong wind warning in effect.
Wind light increasing to southwest 15 knots this afternoon and to northwest 20 to 25 this evening. Wind increasing to northwest 30 late overnight then diminishing to northwest 15 Monday afternoon. Wind backing to southwest 15 Monday evening.
Showers this evening.
Waves
Issued 05:00 AM ADT 04 May 2025
Today Tonight and Monday.
Seas 1 metre or less building to 1 to 2 this evening then
subsiding to 1 Monday evening.
Extended Forecast
Issued 03:00 AM ADT 04 May 2025
Tuesday
Wind southwest 25 knots.
Wednesday
Wind south 25 knots.
Thursday
Wind northeast 20 knots backing to north
25.
Ice Forecast
Issued 10:00 AM EDT 4 May 2025 Today Tonight and Monday Open water except 1 tenth rotten first-year ice near Natashquan.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 4 May 2025 Today Tonight and MondayIce Edge
Ice edge estimated from Quebec near 5016N 6240W to 5001N 6213W to4959N 6028W to 5034N 5831W to to Newfoundland near 5014N 5736W. Sea
ice north of the ice edge.
Ice Coverage
Open water except 1 tenth rotten first-year ice near Natashquan.
Iceberg Bulletin
Issued 2:30 PM EDT 3 May 2025Iceberg Limit
Iceberg limit at 0000 UTC 4 May estimated from Newfoundland near4723N 5503W to 4040N 5210W to 4100N 4720W to 4530N 3335W to 4710N
3245W to 5915N 5605W to 5950N 5415W to 5830N 4530W then eastwards.
Western iceberg limit at 0000 UTC 4 May estimated from Quebec near
5020N 6115W to Newfoundland near 4745N 5910W.
Iceberg Count
No confirmed icebergs except less than 10 icebergs northeast of thewestern iceberg limit.
Warnings
Warnings (In effect)
Strong wind warning in effect
Anticosti - northeastern half
Issued 12:36 PM ADT 04 May 2025'Strong' winds of 20 to 33 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.
Synopsis
Technical Marine Synopsis
Issued 10:00 AM ADT 4 May 2025 Today Tonight and Monday At 10:00 a.m. ADT today trough located from Newfoundland to theGulf of Maine.
By 10:00 a.m. ADT Monday dissipating trough located from the Grand
Banks to Georges Bank.
At 3:00 a.m. ADT Monday ridge from 1030 mb high located from the
Gaspe Peninsula to East Scotian Slope.
By 8:00 p.m. ADT Monday high 1034 mb located from the Gulf of
St. Lawrence to Laurentian Fan.
Atlantic - Newfoundland Area
- Anticosti - northeastern half
- Anticosti - southwestern half
- Banquereau
- Belle Isle Bank
- Bras d'Or Lakes
- Cabot Strait
- Chaleur - Miscou
- Eastern Shore
- East Coast - Cape St. Francis and south
- East Coast - north of Cape St. Francis
- Fourchu
- Funk Island Bank
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern half
- Gulf - Port au Port
- Lake Melville
Another Region
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