Grand Manan
Forecast
Marine Forecast
Issued 03:00 AM ADT 04 May 2025
Today Tonight and Monday.
Wind light becoming northeast 10 to 15 knots Monday morning then diminishing to light Monday evening.
Showers and fog banks ending overnight. Risk of thunderstorms early this morning.
Waves
Issued 05:00 PM ADT 03 May 2025
Tonight and Sunday.
Seas 1 to 2 metres.
Extended Forecast
Issued 03:00 AM ADT 04 May 2025
Tuesday
Wind light becoming southeast 15 knots in the
afternoon.
Wednesday
Wind southeast 15 knots.
Thursday
Wind variable 10 to 15 knots increasing to
northerly 20 late in the day.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 3 May 2025 Today Tonight and SundayIce 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
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM ADT 4 May 2025 Today Tonight and Monday At 3:00 a.m. ADT today trough located from Newfoundland to theGulf of Maine.
By 10:00 a.m. ADT Monday departing trough located east of
Laurentian Fan.
At 8:00 p.m. ADT tonight trough located from Anticosti Island to
New Brunswick.
By 10:00 a.m. ADT Monday trough located east of the Marine District.
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 - Maritimes Area
- Anticosti - northeastern half
- Anticosti - southwestern half
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore
- East Coast - Cape St. Francis and south
- East Scotian Slope
- 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
- Pointe à Michel to Pointe-des-Monts
- Pointe-des-Monts to Anticosti - northern half
- Pointe-des-Monts to Anticosti - southern half
- Sable
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
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