Spring seasonal buoy tending operations summary for sector St. Lawrence

Date of last update: July 21, 2025 8:56 loc


Lake St. Louis to Grondines

Lake St. Louis to Grondines Planned Date
(Real Date)
SO-01 - Lac St-Louis
(completed at 100%)
from Apr 09 to 11, 2025
(Apr 18, 2025)
SO-02 - Canal de la Rive-Sud
(completed at 100%)
May 17, 2025
(May 13, 2025)
SO-03 - Montréal à Grondines
(completed at 100%)
from Apr 01 to 15, 2025
(from Apr 05 to May 03, 2025)
SO-04 - Entrée de la Voie Maritime à Lavaltrie
(completed at 100%)
from Apr 29 to May 01, 2025
(from May 02 to Jun 02, 2025)
SO-05 - Montréal à Trois-Rivières
(completed at 100%)
from Apr 14 to 16, 2025
(Apr 19, 2025)
SO-06 - Lavaltrie à l'Île des Barques
(completed at 100%)
from May 03 to 04, 2025
(from May 04 to 05, 2025)
SO-07 - Trois-Rivières à Champlain
(completed at 100%)
from May 05 to 06, 2025
(from Apr 07 to May 09, 2025)
SO-08 - Trois-Rivières à Grondines
(completed at 100%)
Apr 17, 2025
(Apr 20, 2025)
SO-09 - Champlain à Batiscan
(completed at 100%)
from May 10 to 11, 2025
(from Apr 06 to May 14, 2025)
SO-10 - Batiscan à Grondines
(completed at 100%)
from May 12 to 14, 2025
(from Apr 06 to May 18, 2025)
SO-11 - Île des Barques à Yamachiche
(completed at 100%)
from May 16 to 17, 2025
(May 10, 2025)
SO-12 - Cité-du-Havre à Tétreaultville
(completed at 100%)
from Apr 23 to 26, 2025
(from Apr 29 to Jun 19, 2025)
SO-13 - Yamachiche à Trois-Rivières
(completed at 100%)
from May 18 to 20, 2025
(from May 12 to 13, 2025)
SO-14 - Longueuil à Varennes
(completed at 100%)
from Apr 28 to 29, 2025
(from Apr 30 to May 01, 2025)
SO-15 - Varennes à Île Saint-Ours
(completed at 100%)
from May 01 to 02, 2025
(from May 02 to 03, 2025)
SO-16 - Yamachiche à Port-Saint-François
(completed at 100%)
May 03, 2025
(Apr 24, 2025)
SO-17 - Batiscan à Cap à la Roche
(completed at 100%)
from May 05 to 06, 2025
(from Apr 25 to 26, 2025)
SO-18 - Contrecoeur à Deschaillons
(completed at 100%)
from May 07 to 09, 2025
(from May 04 to Jun 19, 2025)

Grondines downstream

Grondines downstream (Including the Lower North Shore,
the Gaspe Peninsula and the Magdalen Islands)
Planned Date
(Real Date)
QB-01 - Grondines à Québec
(completed at 100%)
from Apr 16 to 17, 2025
(from Apr 14 to 19, 2025)
QB-02 - Rapides Richelieu
(completed at 100%)
May 10, 2025
(May 05, 2025)
QB-03 - Québec à Saint-Jean I.O.
(completed at 100%)
from Apr 19 to 20, 2025
(from Apr 16 to 18, 2025)
QB-04 - Traverse du Nord
(completed at 100%)
from Apr 21 to 23, 2025
(from Apr 16 to 21, 2025)
QB-05 - Chenal du Sud
(completed at 100%)
from May 21 to 23, 2025
(from May 22 to 25, 2025)
QB-06 - Sault-au-Cochon à Tadoussac
(completed at 100%)
from Apr 24 to 26, 2025
(from Apr 20 to 23, 2025)
QB-07 - Bas Saint-Laurent
(completed at 100%)
from Apr 27 to 28, 2025
(from Apr 25 to 26, 2025)
QB-08 - L'Isle-Verte
(completed at 100%)
from Apr 29 to May 01, 2025
(from Apr 29 to May 01, 2025)
QB-09 - Chenal Nord I.-O., Grosse-Île, Montmagny
(completed at 100%)
from Apr 28 to May 02, 2025
(from May 07 to 13, 2025)
QB-10 - Chenal de Chicoutimi, Baie des Ha! Ha!
(completed at 100%)
from Jun 06 to 18, 2025
(from Jun 09 to 11, 2025)
QB-11 - Trois-Pistoles et Cacouna
(completed at 100%)
from May 05 to 07, 2025
(from May 01 to 06, 2025)
QB-12 - Côte Nord, Anticosti et Cloridorme
(completed at 100%)
from Apr 30 to May 02, 2025
(from Apr 28 to 30, 2025)
QB-13 - Gapésie et Baie-des-Chaleurs
(completed at 100%)
from May 04 to 06, 2025
(from Apr 27 to May 02, 2025)
QB-14 - IML
(completed at 100%)
from May 08 to 14, 2025
(from May 03 to 13, 2025)
QB-15 - Basse-Côte-Nord
(completed at 100%)
from May 15 to 23, 2025
(from May 15 to 19, 2025)
QB-16 - Îles-de-la-Madeleine
(completed at 100%)
May 01, 2025
(Apr 24, 2025)
QC-01 - Basse-Côte-Nord - Entrepreneurs
(completed at 100%)
from May 30 to Jun 15, 2025
(from May 12 to 28, 2025)
QC-02 - Gaspésie - Entrepreneurs
(completed at 100%)
from Apr 01 to Jun 15, 2025
(from Apr 19 to Jun 13, 2025)
QC-03 - Montmagny - Entrepreneurs
(completed at 100%)
from Apr 30 to May 15, 2025
(Apr 24, 2025)
QC-04 - Rapides Lalemant - Entrepreneur
(completed at 100%)
from May 01 to 15, 2025
(from May 30 to Jun 16, 2025)
QC-05 - Iles-de-la-Madeleine - Entrepreneur
(completed at 100%)
from Apr 23 to May 01, 2025
(from Apr 17 to May 30, 2025)

Small craft channels

Small craft channels Planned Date
(Real Date)
PL-01 - Rivière Richelieu, Aval de l'écluse Saint-Ours
(completed at 100%)
from May 18 to 19, 2025
(from May 15 to 30, 2025)
PL-02 - Rivière Richelieu, Amont de l'écluse Saint-Ours
(completed at 100%)
from May 22 to 28, 2025
(from May 16 to Jun 03, 2025)
PL-03 - Chenal du Moine, Marina de Sorel
(completed at 100%)
from May 30 to 31, 2025
(from May 14 to 15, 2025)
PL-04 - Chenal Lavaltrie
(completed at 100%)
from Jun 01 to 02, 2025
(May 31, 2025)
PL-05 - Lavaltrie
(completed at 100%)
Jun 03, 2025
(Jun 02, 2025)
PL-06 - Lac Saint-Louis
(completed at 100%)
from May 12 to 21, 2025
(from May 07 to 29, 2025)
PL-07 - Rapides de Vaudreuil
(completed at 100%)
from May 22 to 23, 2025
(from May 14 to 27, 2025)
PL-08 - Baie de Vaudreuil, Sainte-Anne-de-Bellevue
(completed at 100%)
from May 26 to 27, 2025
(May 15, 2025)
PL-09 - Rivière des Prairies Amont et Lac des Deux Montagnes
(completed at 100%)
from May 28 to 30, 2025
(from May 16 to 27, 2025)
PL-10 - Rivière des Outaouais Aval
(completed at 100%)
from Jun 02 to 04, 2025
(from May 27 to 28, 2025)
PL-11 - Rivière des Outaouais, Amont de l'écluse de Carillon
(completed at 100%)
from Jun 05 to 13, 2025
(from Jun 21 to 30, 2025)
PL-12 - Rivière des Prairies Aval
(completed at 100%)
from May 12 to 14, 2025
(from Jun 03 to 05, 2025)
PL-13 - Chenal de Boucherville
(completed at 100%)
from May 15 to 16, 2025
(Jun 05, 2025)
PL-14 - Chenal Saint-Pierre
(completed at 100%)
May 17, 2025
(May 29, 2025)
PL-15 - Chenal de Repentigny
(completed at 100%)
from May 20 to 21, 2025
(Jun 10, 2025)
PL-16 - Contrecoeur
(completed at 100%)
from May 22 to 23, 2025
(May 22, 2025)
PL-17 - Île aux Foins
(completed at 100%)
May 26, 2025
(May 21, 2025)
PL-18 - Déversoirs de Sorel, Pointe-du-Lac
(completed at 100%)
May 27, 2025
(May 22, 2025)
PL-19 - Lac Champlain (Baie Missisquoi)
(completed at 100%)
May 06, 2025
(May 28, 2025)
PL-20 - Rivière des Prairies Amont
(completed at 100%)
from May 07 to 10, 2025
(from Jun 13 to 18, 2025)
PL-21 - Lac Memphrémagog
(completed at 100%)
from May 12 to 16, 2025
(from Jun 01 to 02, 2025)
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