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Government of Canada / Gouvernement du Canada

Ice Forecasts for the Gulf of St. Lawrence


* NOTE: Corrected and/or amended bulletins are listed first *

 
FICN17 CWIS 191201 AAB
Updated ice forecasts for the Gulf of St. Lawrence issued by
Environment Canada at 8:01 A.M. EDT Thursday 19 March 2026 for
today. 
The next scheduled forecasts will be issued at 10:00 A.M. today.

Northeast Gulf.
Open water except 9 tenths new ice including 2 tenths first-year ice
along the Quebec coast. Consolidated first-year ice along parts of
the coasts. 

Remainder unchanged. 

Contact ECAREG Canada for routing advice and for copies of the ice
analysis charts.

End 
FICN17 CWIS 181809 AAA
Updated ice forecasts for the Gulf of St. Lawrence issued by
Environment Canada at 2:09 P.M. EDT Wednesday 18 March 2026 for
today tonight and Thursday.
The next scheduled forecasts will be issued at 10:00 A.M. Thursday.

Northeast Gulf.
Ice pressure warning in effect.
Open water except 8 tenths grey-white ice including 2 tenths
first-year ice along parts of the Quebec coast. Consolidated
first-year ice along parts of the coasts. 
Strong ice pressure along parts of the Quebec coast easing this
evening.

Remainder unchanged. 

Contact ECAREG Canada for routing advice and for copies of the ice
analysis charts.

End 
FICN17 CWIS 181347
Ice forecasts for the Gulf of St. Lawrence issued by Environment
Canada at 10:00 A.M. EDT Wednesday 18 March 2026 for today tonight
and Thursday.
The next scheduled forecasts will be issued at 10:00 A.M. Thursday.

Ice edge estimated from Nova Scotia near 4437N 6325W to 4419N 6258W
to 4549N 5848W to Newfoundland near 4740N 5814W. Sea ice north of
the ice edge. 

Pointe-des-Monts to Anticosti - northern half.
2 tenths new ice including a trace of first-year ice except 9 tenths
new ice including a trace of old ice along parts of the coast.
Consolidated first-year ice along parts of the coast. 

Pointe-des-Monts to Anticosti - southern half.
2 tenths new ice including a trace of first-year ice. 

Pointe à Michel to Pointe-des-Monts.
5 tenths new ice including a trace of first-year ice. Consolidated
first-year ice along parts of the coasts. 

Tadoussac to Pointe à Michel.
2 tenths grey-white ice including a trace of first-year ice.
Consolidated first-year ice along parts of the coasts. 

Fundy
Grand Manan
Lurcher
Southwestern Shore
Halifax Harbour and Approaches.
Open water. 

Browns Bank
Georges Bank
Lahave Bank
West Scotian Slope
Sable
East Scotian Slope
Laurentian Fan.
Ice free. 

Eastern Shore
Fourchu.
Open water. Consolidated grey-white ice in a few sheltered bays. 

Banquereau
Southwest Coast.
Open water. 

Cabot Strait - southern half.
1 tenth first-year ice. Consolidated grey-white ice in a few
sheltered bays. 

Cabot Strait - northern half.
Open water except 2 tenths first-year ice in the extreme
southwestern section. Consolidated grey-white ice in a few sheltered
bays. 

Northumberland Strait.
3 tenths first-year ice except 9 plus tenths first-year ice along
parts of the Prince Edward Island coast and along the Cape Breton
Island coast. Consolidated first-year ice along parts of the coasts.

Gulf - Magdalen.
3 tenths first-year ice. Consolidated first-year ice along parts of
the Prince Edward Island coast. 

Chaleur - Miscou.
1 tenth first-year ice except 8 tenths first-year ice in the
northern section. Consolidated first-year ice along parts of the
coasts. 

Anticosti - eastern half.
Open water except 2 tenths grey ice along parts of the coasts.
Consolidated first-year ice along parts of the coasts. 

Anticosti - western half.
Open water except 1 tenth grey-white ice including a trace of
first-year ice in the Honguedo Strait. Consolidated first-year ice
along parts of the coasts. 

Gulf - Port au Port.
Open water except 5 tenths grey-white ice including 1 tenth
first-year ice along parts of the Quebec coast. Consolidated
first-year ice along parts of the coasts. 

Northeast Gulf.
Ice pressure warning in effect.
Open water except 8 tenths grey-white ice including 2 tenths
first-year ice along parts of the Quebec coast. Consolidated
first-year ice along parts of the coasts. 
Strong ice pressure along parts of the Quebec coast easing near
noon.

Contact ECAREG Canada for routing advice and for copies of the ice
analysis charts.

End

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