Northumberland Strait
Forecast
Marine Forecast
Issued 10:00 AM AST 11 December 2019
Today Tonight and Thursday.
Gale warning in effect.
Wind northwest 20 knots diminishing to northwest 10 to 15 this afternoon and to light this evening. Wind increasing to southwest 10 to 15 late overnight and to west 35 Thursday morning. Wind diminishing to west 25 Thursday afternoon.
Periods of snow ending this evening.
Freezing spray warning in effect.
Freezing spray beginning Thursday morning.
Temperatures minus 1 falling to minus 6 Thursday evening.
Extended Forecast
Ice Forecast
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EST 11 December 2019 Today Tonight and ThursdayIce Edge
First ice edge estimated from Nova Scotia near 4540N 6130W to PrinceEdward Island near 4625N 6205W. Sea ice west of the ice edge
Second ice edge estimated from Prince Edward Island near 4630N 6215W
to 4730N 6415W to 4850N 6335W to 4850N 6110W to 5050N 5805W to
Newfoundland near 5035N 5720W. Sea ice west and north of the ice
edge.
Ice Coverage
Open water except 1 tenth new ice along parts of the coasts.
Warnings
Warnings (In effect)
Gale warning in effect
Northumberland Strait
Issued 10:00 AM AST 11 December 2019'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 10:00 AM AST 11 December 2019Moderate 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.
Synopsis
Technical Marine Synopsis
Issued 10:00 AM AST 11 December 2019 Today Tonight and Thursday At 10:00 a.m. AST today trough located from Georges Bank to theAvalon Peninsula.
By 3:00 a.m. AST Thursday departing trough located southeast of
the Marine District.
At 3:00 a.m. AST Thursday ridge located on a line north-south over
the Great Lakes.
By 8:00 p.m. AST Thursday approaching ridge located on a line
north-south over Maine.
Marine Weather Statement
Issued 9:45 AM AST 11 December 2019 A trough of low pressure from Georges Bank to the Avalon Peninsulawill move to eventually lie southeast of the marine district tonight.
Strong to gale force southwesterlies ahead of the trough shift to
generally strong northwesterlies behind it.
On Thursday morning the northwesterlies will increase to gale force
across the district and could possibly approach storm force over
northernmost waters. Winds are expected to diminish somewhat over
most waters later on Thursday as a ridge of high pressure approaches
from the west.
Marine interests are advised that gale warnings are in effect for all
waters.
Marine interests are also advised that freezing spray warnings are in
effect for Cabot Strait, Northumberland Strait, Gulf-Magdalen,
Chaleur-Miscou and Anticosti.
St. Lawrence - St. Lawrence River Area
- Anticosti - eastern half
- Anticosti - western half
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- 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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