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Shallower depths located at:

45 05.412N   061 32.987W   16.9 metres

45 06.164N   061 30.451W   19.8 metres

45 06.381N   061 31.082W   12.0 metres

Shallower depths located at

Latitude           Longitude          Depth in Meters

45 08.670N     061 27.947W     15.4

45 05.636N     061 31.918W     18.8

45 05.730N     061 33.035W     8.6

45 05.893N     061 32.883W     3.4

45 05.985N     061 33.048W     4.3

45 06.089N     061 33.401W     4.9

45 05.523N     061 32.657W     13.3

45 06.707N     061 30.035W     9

45 04.597N     061 32.863W     3.3

45 04.806N     061 33.333W     4.9

45 06.256N     061 34.800W     7.4

45 05.986N     061 34.465W     5.1

Available depth refers to chart datum. Caution.

Shallower depths located at:

Latitude          Longitude          Depth (in Metres)
45 09.308N     061 26.238W     3.8
45 07.514N     061 30.135W     14.4                                                                                                                  45 09.471N     061 26.368W     4.7

Shallower depths located in an area bound by:

47 42.900N 064 39.763W
47 42.904N 064 39.746W
47 42.895N 064 39.731W
47 42.848N 064 39.753W

Limiting depth of 1.2 metres. Caution.

Shallower depths located at:

Latitude          Longitude          Depth (in Metres)
47 42.676N     064 39.683W     4.2
47 42.755N     064 39.742W     2.9                                                                                                                    47 42.952N     064 39.780W     1.5

As a result of an ongoing hydrographic survey, shallower than charted depths have been located in the following positions:

7.0 meters in 45 00.160N 061 53.722W,

7.8 meters in 45 00.161N 061 52.900W,

8.4 meters in 45 00.544N 061 53.543W.

Horizontal Datum: WGS84

Submerged damaged piling in Sapperton Channel, in the vicinity of 49 13.471N 122 52.583W.

Caution. 

Buoys between Wedgeport and the Tusket Islands have been reported as unreliable. 

Caution. 

An unidentified spar buoy has been reported in position 45 19.472N 066 09.189W. 

Caution. 

Unlit

Unreliable

Unreliable

A sunken barge and debris reported in Bushell Bay, Lake Athabasca, in the vicinity of 59 31.052N 108 44.503W.

Caution.

Unlit

Sub-Surface mooring has been deployed at depth of 158 metres at  49 00.684N 126 30.230W

Scientific mooring deployed in the vicinity of 56 19.265N 059 50.318W with top floatation 200 meters off the bottom.

Caution.

Canadian Coast Guard Marine Communications and Traffic Services have been using all Canadian Hydrographic Service water-level stations for the calculation of passage authorizations in the Sorel–Montreal sector of the navigational waterway, namely Sorel, Contrecoeur, Varennes, Montreal-Frontenac and Montreal-Jetty No. 1.

In light of the particular features of the navigational waterway in the portion between buoys M84 (downstream of the municipality of Verchères) and M11 (downstream of the Bellmouth curve), it was agreed to adjust upward the available water column by 10 cm in this portion.

The minimum water column in this portion of the navigational waterway as per the Contrecœur hydrographic station, obtained after adjustment, will be used for the calculation of under-keel clearance.

Canadian Coast Guard Marine Communications and Traffic Services have been using all Canadian Hydrographic Service water-level stations for the calculation of passage authorizations in the Sorel–Montreal sector of the navigational waterway, namely Sorel, Contrecoeur, Varennes, Montreal-Frontenac and Montreal-Jetty No. 1.

In light of the particular features of the navigational waterway in the portion between buoys M84 (downstream of the municipality of Verchères) and M157 (opposite to the Port of Montreal, section 109) as well as the No. 1 Anchorage Pointe-aux-Tremble, it was agreed to adjust upward the available water column by 10 cm in this portion.

The minimum water column in this portion of the navigational waterway as per the Varennes hydrographic station, obtained after adjustment, will be used for the calculation of under-keel clearance.

Monthly Notice to Mariners Eastern Edition 08/22 refers.

Scientific moorings deployed in the vicinity of:

55 24.640N 058 03.380W. Top of mooring floats 7 meters off the bottom. 

55 24.520N 058 03.580W. Top of mooring floats 7 meters off the bottom.

Caution.

Les Escoumins MCTS. VHF DF located at Havre St-Pierre inoperative 172030 UTC Nov 2020.

Shallower depths located at:

45 05.412N   061 32.987W   16.9 metres

45 06.164N   061 30.451W   19.8 metres

45 06.381N   061 31.082W   12.0 metres

Shallower depths located at

Latitude           Longitude          Depth in Meters

45 08.670N     061 27.947W     15.4

45 05.636N     061 31.918W     18.8

45 05.730N     061 33.035W     8.6

45 05.893N     061 32.883W     3.4

45 05.985N     061 33.048W     4.3

45 06.089N     061 33.401W     4.9

45 05.523N     061 32.657W     13.3

45 06.707N     061 30.035W     9

45 04.597N     061 32.863W     3.3

45 04.806N     061 33.333W     4.9

45 06.256N     061 34.800W     7.4

45 05.986N     061 34.465W     5.1

Available depth refers to chart datum. Caution.

Shallower depths located at:

Latitude          Longitude          Depth (in Metres)
45 09.308N     061 26.238W     3.8
45 07.514N     061 30.135W     14.4                                                                                                                  45 09.471N     061 26.368W     4.7

Shallower depths located in an area bound by:

47 42.900N 064 39.763W
47 42.904N 064 39.746W
47 42.895N 064 39.731W
47 42.848N 064 39.753W

Limiting depth of 1.2 metres. Caution.

Shallower depths located at:

Latitude          Longitude          Depth (in Metres)
47 42.676N     064 39.683W     4.2
47 42.755N     064 39.742W     2.9                                                                                                                    47 42.952N     064 39.780W     1.5

As a result of an ongoing hydrographic survey, shallower than charted depths have been located in the following positions:

7.0 meters in 45 00.160N 061 53.722W,

7.8 meters in 45 00.161N 061 52.900W,

8.4 meters in 45 00.544N 061 53.543W.

Horizontal Datum: WGS84

Submerged damaged piling in Sapperton Channel, in the vicinity of 49 13.471N 122 52.583W.

Caution. 

Buoys between Wedgeport and the Tusket Islands have been reported as unreliable. 

Caution. 

An unidentified spar buoy has been reported in position 45 19.472N 066 09.189W. 

Caution. 

Unlit

Unreliable

Unreliable

A sunken barge and debris reported in Bushell Bay, Lake Athabasca, in the vicinity of 59 31.052N 108 44.503W.

Caution.

Unlit

Sub-Surface mooring has been deployed at depth of 158 metres at  49 00.684N 126 30.230W

Scientific mooring deployed in the vicinity of 56 19.265N 059 50.318W with top floatation 200 meters off the bottom.

Caution.

Canadian Coast Guard Marine Communications and Traffic Services have been using all Canadian Hydrographic Service water-level stations for the calculation of passage authorizations in the Sorel–Montreal sector of the navigational waterway, namely Sorel, Contrecoeur, Varennes, Montreal-Frontenac and Montreal-Jetty No. 1.

In light of the particular features of the navigational waterway in the portion between buoys M84 (downstream of the municipality of Verchères) and M11 (downstream of the Bellmouth curve), it was agreed to adjust upward the available water column by 10 cm in this portion.

The minimum water column in this portion of the navigational waterway as per the Contrecœur hydrographic station, obtained after adjustment, will be used for the calculation of under-keel clearance.

Canadian Coast Guard Marine Communications and Traffic Services have been using all Canadian Hydrographic Service water-level stations for the calculation of passage authorizations in the Sorel–Montreal sector of the navigational waterway, namely Sorel, Contrecoeur, Varennes, Montreal-Frontenac and Montreal-Jetty No. 1.

In light of the particular features of the navigational waterway in the portion between buoys M84 (downstream of the municipality of Verchères) and M157 (opposite to the Port of Montreal, section 109) as well as the No. 1 Anchorage Pointe-aux-Tremble, it was agreed to adjust upward the available water column by 10 cm in this portion.

The minimum water column in this portion of the navigational waterway as per the Varennes hydrographic station, obtained after adjustment, will be used for the calculation of under-keel clearance.

Monthly Notice to Mariners Eastern Edition 08/22 refers.

Scientific moorings deployed in the vicinity of:

55 24.640N 058 03.380W. Top of mooring floats 7 meters off the bottom. 

55 24.520N 058 03.580W. Top of mooring floats 7 meters off the bottom.

Caution.

Les Escoumins MCTS. VHF DF located at Havre St-Pierre inoperative 172030 UTC Nov 2020.