Grand Manan
Forecast
Marine Forecast
Issued 03:00 AM AST 17 November 2025
Today Tonight and Tuesday.
Gale warning in effect.
Wind west 35 knots diminishing to west 30 this afternoon then veering to northwest 25 this evening. Wind diminishing to northwest 15 Tuesday evening.
Scattered showers or flurries ending this evening.
Strong wind warning program has ended for the season.
Waves
Issued 05:00 PM AST 16 November 2025
Tonight and Monday.
Seas 2 to 3 metres building to 3 to 4 Monday morning then
subsiding to 2 to 3 Monday evening.
Extended Forecast
Issued 03:00 AM AST 17 November 2025
Wednesday
Wind west 15 knots.
Thursday
Wind light.
Friday
Wind south 15 knots increasing to southwest
25.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.Warnings
Warnings (In effect)
Gale warning in effect
Grand Manan
Issued 03:00 AM AST 17 November 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 AST 17 November 2025 Today Tonight and Tuesday At 3:00 a.m. AST today low 973 mb located over the western Gulfof St. Lawrence.
By 3:00 a.m. AST Tuesday low 980 mb located over the eastern Gulf
of St. Lawrence.
Marine Weather Statement
Issued 2:50 AM AST 17 November 2025 A low pressure system over the Western Gulf of St. Lawrence willslowly track eastward today before moving northward into Labrador
Tuesday morning. Gale force northeasterlies to the north of the low
and southerlies east of the low will give way to strong to gale force
westerlies over all waters as the low progresses eastward.
Marine interests are advised that gale warnings are in effect for all
waters except Northumberland Strait - western half and Gulf -
Magdalen - western half.
Atlantic - Maritimes Area
- Anticosti - eastern half
- Anticosti - western half
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou
- Eastern Shore
- East Coast - Cape St. Francis and south
- East Scotian Slope
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen - eastern half
- Gulf - Magdalen - western 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
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
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