Grand Manan
Forecast
Marine Forecast
Issued 03:00 AM ADT 23 March 2025
Today Tonight and Monday.
Gale warning in effect.
Wind southwest 15 to 20 knots increasing to northwest 30 early this morning then diminishing to northwest 20 near midnight. Wind diminishing to light overnight then increasing to south 15 near noon Monday. Wind increasing to southeast 25 Monday afternoon and to south 35 Monday evening.
Snow Monday afternoon and evening changing to rain and fog patches.
Temperatures plus 5 falling to minus 2 Monday morning then rising to plus 3 Monday evening.
Strong wind warning program has ended for the season.
Waves
Extended Forecast
Ice Forecast
Stay connected
Weather Conditions
Zoom-in to make a selection



Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 22 March 2025 Today Tonight and SundayIce Edge
Ice edge estimated from Nova Scotia near 4521N 6100W to 4549N 5906Wto Newfoundland near 4736N 5740W. Sea ice northwest of the ice edge.
Ice Coverage
Ice free.
Warnings
Warnings (In effect)
Gale warning in effect
Grand Manan
Issued 03:00 AM ADT 23 March 2025'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 3:00 AM ADT 23 March 2025 Today Tonight and Monday At 3:00 a.m. ADT today trough located over New Brunswick.By 8:00 p.m. ADT tonight trough located over Banquereau.
At 10:00 a.m. ADT Monday approaching trough located over New
England.
Marine Weather Statement
Issued 2:51 AM ADT 23 March 2025 A trough of low pressure over New Brunswick will track eastwardacross the marine district today and over Newfoundland tonight.
Strong to gale force northwesterlies are expected in its wake today
and tonight.
A second trough of low pressure will approach the marine district
late on Monday. Strong to gale force southerlies will develop ahead
of this feature over western waters.
Marine interests are advised that gale warnings are in effect for
Grand Manan, Lurcher, Browns Bank, eastern shore - eastern half,
Sable - eastern half. East Scotian Slope, Fourchu, Banquereau,
Laurentian Fan, Cabot Strait, Gulf - Magdalen - northeastern half,
and Anticosti - southwestern half. Marine interests are also advised
a freezing spray warning is in effect for Anticosti.
St. Lawrence - St. Lawrence River Area
- Anticosti - northeastern half
- Anticosti - southwestern half
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- Cornwall to Montréal
- Donnacona to Beauport
- Fundy
- Grand Manan
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern half
- Kingston to Cornwall
- Lake Memphrémagog - northern half
- Lake Nipissing
- Lake Saint-Jean
- Lurcher
- L'Isle-aux-Coudres to Tadoussac
- Montréal to Trois-Rivières
- Northumberland Strait
- Pointe à Michel to Pointe-des-Monts
- Pointe-des-Monts to Anticosti - northern half
- Pointe-des-Monts to Anticosti - southern half
- Richelieu River and Northern Lake Champlain
- Saguenay to Tadoussac
- Tadoussac to Pointe à Michel
- Trois-Rivières to Donnacona
Another Region
- Date modified: