Grand Manan
Forecast
Marine Forecast
Issued 03:30 PM ADT 23 October 2024
Tonight and Thursday.
Strong wind warning in effect.
Wind southwest 20 knots diminishing to south 10 to 15 after midnight and to light Thursday morning. Wind increasing to northerly 25 Thursday evening.
Fog patches forming Thursday morning.
Waves
Issued 05:00 AM ADT 23 October 2024
Today Tonight and Thursday.
Seas 1 metre or less.
Extended Forecast
Issued 03:30 PM ADT 23 October 2024
Friday
Wind northeast 25 knots diminishing to light in
the afternoon.
Saturday
Wind light increasing to west 20 knots late
in the day.
Sunday
Wind northwest 20 knots.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 5 May 2024 Forecasts have ended for the season.Warnings
Warnings (In effect)
Strong wind warning in effect
Grand Manan
Issued 3:30 PM ADT 23 October 2024'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 3:30 PM ADT 23 October 2024 Tonight and Thursday At 3:30 p.m. ADT today trough located over Quebec.By 10:00 a.m. ADT Thursday weakening trough located on a line
northeast-southwest over Anticosti Island.
At 3:00 a.m. ADT Thursday low 998 mb located south of Georges Bank.
By 8:00 p.m. ADT Thursday low 993 mb located south of East Scotian
Slope.
Marine Weather Statement
Issued 3:20 PM ADT 23 October 2024 Gale force southerly winds will develop this evening over Gulf of St.Lawrence waters ahead of an approaching trough and diminish Thursday
morning in its wake.
On Thursday, gale to possibly storm force northeast winds will
develop north of another low pressure system that will track towards
the slope waters. Gale force southeast winds are expected east of the
low.
Marine interests are advised that gale warnings are in effect for
Georges Bank - southern half, West Scotian Slope, Sable, East Scotian
Slope, Banquereau - southeastern half, Chaleur-Miscou - eastern half,
Gulf-Magdalen and Anticosti.
St. Lawrence - St. Lawrence River Area
- Anticosti - eastern half
- Anticosti - western half
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Cornwall to Montréal
- Donnacona to Beauport
- Fundy
- Grand Manan
- Gulf - Magdalen
- 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
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