Northumberland Strait - western half
Forecast
Marine Forecast
Issued 03:00 AM ADT 17 March 2026
Today Tonight and Wednesday.
Gale warning in effect.
Wind southeast 25 knots increasing to south 40 this morning then diminishing to southwesterly 25 this evening. Wind veering to northwesterly 25 overnight then backing to west 15 to 20 Wednesday afternoon. Wind diminishing to light Wednesday evening.
Periods of rain ending this afternoon. Scattered flurries overnight and Wednesday. Fog patches dissipating this evening.
Freezing spray warning in effect.
Over open water freezing spray Wednesday morning and afternoon.
Temperatures plus 7 falling to minus 5 Wednesday morning.
Strong wind warning program has ended for the season.
Extended Forecast
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 16 March 2026 Today Tonight and TuesdayIce Edge
Ice edge estimated from Nova Scotia near 4437N 6325W to 4419N 6258Wto 4602N 5807W to Newfoundland near 4740N 5814W. Sea ice north of
the ice edge.
Ice Coverage
Ice pressure warning in effect.3 tenths first-year ice except 7 tenths first-year ice in the
eastern section. Consolidated first-year ice along parts of the
coasts.
Strong ice pressure along parts of the Prince Edward Island coast
developing overnight.
Warnings
Warnings (In effect)
Gale warning in effect
Northumberland Strait
Issued 03:00 AM ADT 17 March 2026'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.
Freezing spray warning in effect
Northumberland Strait
Issued 03:00 AM ADT 17 March 2026Moderate or severe freezing spray is 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.
Ice pressure warning in effect
Northumberland Strait - western half
Issued 10:00 AM EDT 16 March 2026Navigators in this marine area should be on the lookout for hazardous ice conditions and take necessary safety precautions. Please refer to the latest ice forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio stations.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM ADT 17 March 2026 Today Tonight and Wednesday At 3:00 a.m. ADT today trough located over New England.By 3:30 p.m. ADT today trough located from the Gulf of St. Lawrence
to West Scotian Slope.
At 10:00 a.m. ADT Wednesday departing trough located southeast of
Laurentian Fan.
At 3:30 p.m. ADT Wednesday building high located southwest of the
Marine District.
Marine Weather Statement
Issued 2:48 AM ADT 17 March 2026 An intense trough of low pressure will cross the district today andtonight to lie southeast of Laurentian Fan Wednesday morning. Gale to
near storm force southerlies ahead of the trough shift to strong to
gale force westerlies in its wake. Winds will diminish over all
waters during the day Wednesday as an area of high pressure builds in
from the west.
Marine interests are advised that gale warnings are in effect for all
waters. Freezing spray warnings are in effect for Fundy, Grand Manan,
Cabot Strait and all Gulf of St. Lawrence waters.
Atlantic - Maritimes Area
- Anticosti - northern half
- Anticosti - southern half
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait - northern half
- Cabot Strait - southern half
- 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 - 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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