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Navigational Warnings (NAVWARNs) replace Notices to Shipping (NOTSHIPs) and shall be construed as Notices to Shipping
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Showing results 201 to 220, from 1,481 total results.
Showing results 201 to 220, from 1,481 total results.
Areas affected by the message
Shallow depth reported - Chaleur - Miscou - south
2026-04-24 09:32 UTC
NW-M-0385-26

Shallow depth reported in:

47 19.148N 064 55.963W observed depth 0.4m

47 18.870N 064 55.896W observed depth 0.6m

These coordinates are in NAD83 CSRS and depths are referenced to local chart datum.

Mariners should use caution when entering the Tabusintac channel.

Cancels NW-M-0368-26
Areas affected by the message
Obstruction - Kingston to Cornwall - Wolfe Island
2026-04-23 22:02 UTC
NW-C-0999-26

Barge partially submerged at 44 13.932N 076 20.874W. Marked by flashing white light buoy.

Cancels NW-C-1696-25
Areas affected by the message
Aids to Navigation - Southwestern Shore
2026-04-23 19:21 UTC
NW-M-0383-26

Light Unlit.

Aids: Kaulback Island range rear light LL 454
Areas affected by the message
Aids to Navigation - Northumberland Strait
2026-04-23 18:07 UTC
NW-M-0382-26

Light changed from Flash 1 second, Eclipse 3 seconds to Flash 1 second, Eclipse 4 seconds.

Aids: Skinners Pond breakwater light LL 1035
Areas affected by the message
Aids to Navigation - Northumberland Strait
2026-04-23 18:07 UTC
NW-M-0381-26

Light changed from Flash 0.5 seconds, Eclipse 3.5 seconds to Flash 1 second, Eclipse 4 seconds.

Aids: Skinners Pond north breakwater light LL 1035.5
Areas affected by the message
Marine works - Trois-Rivières to Donnacona - Portneuf
2026-04-23 14:31 UTC
NW-C-0995-26

Demolition operations taking place from a barge at the Portneuf wharf.

Minimum wake requested.

Areas affected by the message
Marine Works - Northeast Gulf - south
2026-04-23 10:57 UTC
NW-N-0241-26

Diving operations underway in Corner Brook Harbour near the main dock in the vicinity of 48 57.807N 057 54.323W. Requesting a low wake and wide berth. 

Caution. 

Areas affected by the message
MCTS RADAR - Dixon Entrance East
2026-04-23 02:55 UTC
NW-P-0562-26

Prince Rupert MCTS. RADAR located at Dundas Island inoperative 230230 UTC Apr 2026.

Areas affected by the message
Scientific Moorings - Trois-Rivières to Donnacona - Portneuf
2026-04-23 00:43 UTC
NW-C-0993-26

The following scientific moorings have been temporarily established:

XB01
46 40.786N 071 52.837W

XB03
46 40.825N 071 52.714W

XB05
46 40.889N 071 52.491W

The moorings are marked with a yellow buoy equipped with an amber flashing light and radar reflector.

Areas affected by the message
Aids to Navigation - Lake Ontario - Lakeview
2026-04-22 19:54 UTC
NW-C-0986-26

ODAS buoy temporarily established at 43 33.727N 079 30.865W. Buoy is yellow with flashing characteristics Fl Y(5) 20s.

Areas affected by the message
Shallow Depth Confirmed - Halifax Harbour and Approaches
2026-04-22 16:11 UTC
NW-M-0372-26

As a result of a recent CHS Hydrographic survey, delete sounding 13.2m in 44 38 13.873N, 063 33 50.939W, and add sounding 11.8m in 44 38 14.065N, 063 33 51.220W.

 

Areas affected by the message
Aids to Navigation - Gulf - Magdalen - south
2026-04-22 14:37 UTC
NW-M-0371-26

All buoys in Malpeque PEI unreliable. Caution.

Areas affected by the message
Marine Works - Beauport to L'Isle-aux-Coudres - Lauzon
2026-04-22 13:59 UTC
NW-C-0981-26

Rehabilitation operations taking place Monday to Friday from 1030 UTC to 2100 UTC at the Davie Shipyard. 

Minimum wake requested.

Areas affected by the message
Marine Works - Lake Ontario - Whitby
2026-04-22 12:12 UTC
NW-C-0978-26

Construction operations in progress at the Whitby fuel dock.

Areas affected by the message
Marine Works - Chaleur - Miscou - south
2026-04-22 11:35 UTC
NW-M-0369-26

Dredging operations in Tabusintac gully during daylight hours starting April 23, 2026.

Tug boat and dump scows will be used. Minimum wash requested. 

Site contact: Daniel Letourneau at (418) 566-5113

Caution.

 

Areas affected by the message
Routing Change - North Atlantic Right Whale - Maritimes, Newfoundland, St. Lawrence
2026-04-22 00:28 UTC
NW-C-0975-26

Effective 220400 UTC Apr 2026, the following North Atlantic Right Whale restriction Zones are in effect for all vessels greater than 13 meters in length overall:

Static Zones North and South: Vessels must not exceed 10 knots over ground.
Dynamic Shipping Zones A, B, C, D, and E: No restriction in effect.
Seasonal Management Areas 1 and 2: Vessels must not exceed 10 knots over ground.
Restricted area: No restriction in effect.
Voluntary Seasonal Slowdown: Vessels are requested to reduce their speed less than 10 knots over ground.

Additional details are available in Notice to Mariners. Failure to comply with speed restrictions in effect can lead to enforcement action by Transport Canada.
Mariners are requested to report whale sightings and observations of entangled, dead, or injured whales to Marine Communication and Traffic Services.

Areas affected by the message
Aids to Navigation - Strait of Georgia
2026-04-21 23:24 UTC
NW-P-0556-26

Light Unreliable

Aids: Chemainus Bay range front light LL 282
Areas affected by the message
Scientific Moorings - Pointe à Michel to Pointe-des-Monts - Rimouski Port
2026-04-21 22:03 UTC
NW-C-0974-26

The following scientific moorings have been temporarily established:

XB_02
48 29.012N 068 31.894W

XB_cage
48 28.862N 068 31.071W

XB_04
48 28.771N 068 31.271W

X3-4G-01061
48 30.734N 068 32.593W

X3-4G-01128
48 31.229N 068 32.928W

X3-4G-01263
48 31.290N 068 32.800W

X3-4G-01172
48 31.072N 068 33.267W

X3-4G-01330
48 31.012N 068 33.398W

XB99
48 28.862N 068 31.424W

The moorings are marked with a yellow buoy equipped with an amber flashing light and radar reflector.

 

Cancels NW-C-0909-26
Areas affected by the message
Aids to Navigation - Strait of Georgia
2026-04-21 18:46 UTC
NW-P-0553-26

Off position

Aids: Maple Spit light buoy P39 LL 497.5
Areas affected by the message
Marine Works - Donnacona to Beauport - Saint-David-de-L'auberivière
2026-04-21 13:27 UTC
NW-C-0963-26

Construction operations taking place Monday to Saturday from 1100 UTC until 2030 UTC at docks 86 and 87 under the Énergie Valero bridge to install a temporary structure. 

Cancels NW-C-0960-26
Showing results 201 to 220, from 1,481 total results.
Showing results 201 to 220, from 1,481 total results.
Details
Showing results 201 to 220, from 1,481 total results.
Showing results 201 to 220, from 1,481 total results.
ID Date Title Areas Charts Description
NW-M-0385-26
Areas affected by the message
47° 19.148'N 064° 55.963'W
47° 18.870'N 064° 55.896'W
2026-04-24 09:32 UTC Shallow depth reported Chaleur - Miscou - south 4906(NAD83)

Shallow depth reported in:

47 19.148N 064 55.963W observed depth 0.4m

47 18.870N 064 55.896W observed depth 0.6m

These coordinates are in NAD83 CSRS and depths are referenced to local chart datum.

Mariners should use caution when entering the Tabusintac channel.

Cancels NW-M-0368-26
NW-C-0999-26
Areas affected by the message
44° 13.932'N 076° 20.874'W
2026-04-23 22:02 UTC Obstruction Kingston to Cornwall - Wolfe Island 1513(NAD83)

Barge partially submerged at 44 13.932N 076 20.874W. Marked by flashing white light buoy.

Cancels NW-C-1696-25
NW-M-0383-26
Areas affected by the message
44° 28.187'N 064° 16.974'W
2026-04-23 19:21 UTC Aids to Navigation Southwestern Shore 4381(NAD83)

Light Unlit.

Aids: Kaulback Island range rear light LL 454
NW-M-0382-26
Areas affected by the message
46° 57.972'N 064° 07.585'W
2026-04-23 18:07 UTC Aids to Navigation Northumberland Strait 4906(NAD83)

Light changed from Flash 1 second, Eclipse 3 seconds to Flash 1 second, Eclipse 4 seconds.

Aids: Skinners Pond breakwater light LL 1035
NW-M-0381-26
Areas affected by the message
46° 57.987'N 064° 07.551'W
2026-04-23 18:07 UTC Aids to Navigation Northumberland Strait 4906(NAD83)

Light changed from Flash 0.5 seconds, Eclipse 3.5 seconds to Flash 1 second, Eclipse 4 seconds.

Aids: Skinners Pond north breakwater light LL 1035.5
NW-C-0995-26
Areas affected by the message
46° 41.016'N 071° 52.748'W
Pt 1: 46° 41.290'N 071° 53.048'W
Pt 2: 46° 40.823'N 071° 52.663'W
Pt 3: 46° 40.934'N 071° 52.509'W
Pt 4: 46° 41.121'N 071° 52.848'W
Pt 5: 46° 41.303'N 071° 53.010'W
2026-04-23 14:31 UTC Marine works Trois-Rivières to Donnacona - Portneuf 1314(NAD83)

Demolition operations taking place from a barge at the Portneuf wharf.

Minimum wake requested.
NW-N-0241-26
Areas affected by the message
48° 57.807'N 057° 54.323'W
2026-04-23 10:57 UTC Marine Works Northeast Gulf - south 4652(NAD83)

Diving operations underway in Corner Brook Harbour near the main dock in the vicinity of 48 57.807N 057 54.323W. Requesting a low wake and wide berth. 

Caution. 
NW-P-0562-26
Areas affected by the message
54° 31.267'N 130° 54.917'W (Dundas Island)
2026-04-23 02:55 UTC MCTS RADAR Dixon Entrance East 3959(NAD83)

Prince Rupert MCTS. RADAR located at Dundas Island inoperative 230230 UTC Apr 2026.
NW-C-0993-26
Areas affected by the message
46° 40.786'N 071° 52.837'W (XB01)
46° 40.825'N 071° 52.714'W (XB03)
46° 40.889'N 071° 52.491'W (XB05)
2026-04-23 00:43 UTC Scientific Moorings Trois-Rivières to Donnacona - Portneuf 1314(NAD83)

The following scientific moorings have been temporarily established:

XB01
46 40.786N 071 52.837W

XB03
46 40.825N 071 52.714W

XB05
46 40.889N 071 52.491W

The moorings are marked with a yellow buoy equipped with an amber flashing light and radar reflector.
NW-C-0986-26
Areas affected by the message
43° 33.727'N 079° 30.865'W
2026-04-22 19:54 UTC Aids to Navigation Lake Ontario - Lakeview 2086(WGS84)

ODAS buoy temporarily established at 43 33.727N 079 30.865W. Buoy is yellow with flashing characteristics Fl Y(5) 20s.
NW-M-0372-26
Areas affected by the message
44° 38.231'N 063° 33.849'W
44° 38.234'N 063° 33.854'W
2026-04-22 16:11 UTC Shallow Depth Confirmed Halifax Harbour and Approaches 4202(NAD83)

As a result of a recent CHS Hydrographic survey, delete sounding 13.2m in 44 38 13.873N, 063 33 50.939W, and add sounding 11.8m in 44 38 14.065N, 063 33 51.220W.

 
NW-M-0371-26
Areas affected by the message
46° 33.957'N 063° 43.165'W
2026-04-22 14:37 UTC Aids to Navigation Gulf - Magdalen - south 4491(NAD83)

All buoys in Malpeque PEI unreliable. Caution.
NW-C-0981-26
Areas affected by the message
46° 49.915'N 071° 09.889'W
Pt 1: 46° 49.884'N 071° 10.091'W
Pt 2: 46° 49.786'N 071° 09.970'W
Pt 3: 46° 49.952'N 071° 09.685'W
Pt 4: 46° 50.042'N 071° 09.809'W
46° 49.957'N 071° 09.434'W
Pt 1: 46° 49.931'N 071° 09.596'W
Pt 2: 46° 49.875'N 071° 09.336'W
Pt 3: 46° 49.981'N 071° 09.275'W
Pt 4: 46° 50.041'N 071° 09.524'W
2026-04-22 13:59 UTC Marine Works Beauport to L'Isle-aux-Coudres - Lauzon 1316(NAD83)

Rehabilitation operations taking place Monday to Friday from 1030 UTC to 2100 UTC at the Davie Shipyard. 

Minimum wake requested.
NW-C-0978-26
Areas affected by the message
43° 51.379'N 078° 56.167'W
2026-04-22 12:12 UTC Marine Works Lake Ontario - Whitby 2049(NAD27)

Construction operations in progress at the Whitby fuel dock.
NW-M-0369-26
Areas affected by the message
47° 17.764'N 064° 56.020'W (Disposal Site)
Pt 1: 47° 17.779'N 064° 56.115'W
Pt 2: 47° 17.891'N 064° 56.047'W
Pt 3: 47° 17.839'N 064° 55.869'W
Pt 4: 47° 17.637'N 064° 55.995'W
Pt 5: 47° 17.689'N 064° 56.171'W
47° 18.232'N 064° 55.730'W (Dredge site)
2026-04-22 11:35 UTC Marine Works Chaleur - Miscou - south 4906(NAD83)

Dredging operations in Tabusintac gully during daylight hours starting April 23, 2026.

Tug boat and dump scows will be used. Minimum wash requested. 

Site contact: Daniel Letourneau at (418) 566-5113

Caution.

 
NW-C-0975-26
Areas affected by the message
49° 17.147'N 063° 15.510'W (Static North)
Pt 1: 50° 20.000'N 065° 00.000'W
Pt 2: 49° 13.000'N 065° 00.000'W
Pt 3: 48° 40.000'N 064° 13.000'W
Pt 4: 48° 40.000'N 062° 40.000'W
Pt 5: 48° 03.000'N 061° 07.500'W
Pt 6: 47° 58.100'N 061° 03.500'W
Pt 7: 48° 00.000'N 061° 00.000'W
Pt 8: 49° 04.000'N 061° 00.000'W
Pt 9: 49° 04.000'N 062° 00.000'W
Pt 10: 49° 43.000'N 063° 00.000'W
Pt 11: 50° 20.000'N 063° 00.000'W
47° 55.022'N 063° 21.773'W (Static South)
Pt 1: 48° 40.000'N 065° 00.000'W
Pt 2: 48° 40.000'N 062° 40.000'W
Pt 3: 48° 03.000'N 061° 07.500'W
Pt 4: 47° 58.100'N 061° 03.500'W
Pt 5: 47° 10.000'N 062° 30.000'W
Pt 6: 47° 10.000'N 065° 00.000'W
49° 24.229'N 064° 33.125'W (Dynamic A)
Pt 1: 49° 41.000'N 065° 00.000'W
Pt 2: 49° 20.000'N 065° 00.000'W
Pt 3: 49° 11.000'N 064° 00.000'W
Pt 4: 49° 22.000'N 064° 00.000'W
49° 05.088'N 063° 29.566'W (Dynamic B)
Pt 1: 49° 22.000'N 064° 00.000'W
Pt 2: 49° 11.000'N 064° 00.000'W
Pt 3: 48° 48.002'N 063° 00.000'W
Pt 4: 49° 00.000'N 063° 00.000'W
48° 41.928'N 062° 30.435'W (Dynamic C)
Pt 1: 49° 00.000'N 063° 00.000'W
Pt 2: 48° 48.000'N 063° 00.000'W
Pt 3: 48° 24.000'N 062° 00.000'W
Pt 4: 48° 35.000'N 062° 00.000'W
50° 06.963'N 063° 28.889'W (Dynamic D)
Pt 1: 50° 16.000'N 064° 00.000'W
Pt 2: 50° 00.000'N 064° 00.000'W
Pt 3: 49° 56.000'N 063° 00.000'W
Pt 4: 50° 16.000'N 063° 00.000'W
48° 17.147'N 061° 29.732'W (Dynamic E)
Pt 1: 48° 35.000'N 062° 00.000'W
Pt 2: 48° 24.000'N 062° 00.000'W
Pt 3: 48° 03.000'N 061° 07.500'W
Pt 4: 47° 58.100'N 061° 03.500'W
Pt 5: 48° 00.000'N 061° 00.000'W
Pt 6: 48° 10.500'N 061° 00.000'W
48° 42.769'N 061° 27.030'W (SMA-1)
Pt 1: 48° 35.000'N 062° 00.000'W
Pt 2: 49° 04.000'N 062° 00.000'W
Pt 3: 49° 04.000'N 061° 00.000'W
Pt 4: 48° 10.500'N 061° 00.000'W
47° 56.878'N 061° 40.278'W (SMA-2)
Pt 1: 48° 24.000'N 062° 00.000'W
Pt 2: 48° 03.000'N 061° 07.500'W
Pt 3: 47° 58.100'N 061° 03.500'W
Pt 4: 47° 26.690'N 062° 00.000'W
47° 55.781'N 063° 54.583'W (Restricted Area)
Pt 1: 48° 31.800'N 063° 39.600'W
Pt 2: 48° 24.720'N 063° 17.880'W
Pt 3: 47° 18.840'N 064° 10.800'W
Pt 4: 47° 27.180'N 064° 30.720'W
47° 37.167'N 060° 17.571'W (Voluntary Slowdown Zone)
Pt 1: 48° 10.500'N 061° 00.000'W
Pt 2: 47° 37.200'N 059° 18.500'W
Pt 3: 47° 02.000'N 060° 23.700'W
Pt 4: 47° 58.100'N 061° 03.500'W
Pt 5: 48° 00.000'N 061° 00.000'W
2026-04-22 00:28 UTC Routing Change - North Atlantic Right Whale Maritimes, Newfoundland, St. Lawrence 4001(NAD83)

Effective 220400 UTC Apr 2026, the following North Atlantic Right Whale restriction Zones are in effect for all vessels greater than 13 meters in length overall:

Static Zones North and South: Vessels must not exceed 10 knots over ground.
Dynamic Shipping Zones A, B, C, D, and E: No restriction in effect.
Seasonal Management Areas 1 and 2: Vessels must not exceed 10 knots over ground.
Restricted area: No restriction in effect.
Voluntary Seasonal Slowdown: Vessels are requested to reduce their speed less than 10 knots over ground.

Additional details are available in Notice to Mariners. Failure to comply with speed restrictions in effect can lead to enforcement action by Transport Canada.
Mariners are requested to report whale sightings and observations of entangled, dead, or injured whales to Marine Communication and Traffic Services.
NW-P-0556-26
Areas affected by the message
48° 55.466'N 123° 42.817'W
2026-04-21 23:24 UTC Aids to Navigation Strait of Georgia 3475(NAD83)

Light Unreliable

Aids: Chemainus Bay range front light LL 282
NW-C-0974-26
Areas affected by the message
48° 29.012'N 068° 31.894'W
48° 28.862'N 068° 31.071'W
48° 28.771'N 068° 31.271'W
48° 30.734'N 068° 32.593'W
48° 31.290'N 068° 32.800'W
48° 31.072'N 068° 33.267'W
48° 31.012'N 068° 33.398'W
48° 31.229'N 068° 32.928'W
48° 28.862'N 068° 31.424'W
2026-04-21 22:03 UTC Scientific Moorings Pointe à Michel to Pointe-des-Monts - Rimouski Port 1236(NAD83)

The following scientific moorings have been temporarily established:

XB_02
48 29.012N 068 31.894W

XB_cage
48 28.862N 068 31.071W

XB_04
48 28.771N 068 31.271W

X3-4G-01061
48 30.734N 068 32.593W

X3-4G-01128
48 31.229N 068 32.928W

X3-4G-01263
48 31.290N 068 32.800W

X3-4G-01172
48 31.072N 068 33.267W

X3-4G-01330
48 31.012N 068 33.398W

XB99
48 28.862N 068 31.424W

The moorings are marked with a yellow buoy equipped with an amber flashing light and radar reflector.

 

Cancels NW-C-0909-26
NW-P-0553-26
Areas affected by the message
49° 28.484'N 124° 43.486'W
2026-04-21 18:46 UTC Aids to Navigation Strait of Georgia 3527(NAD83)

Off position

Aids: Maple Spit light buoy P39 LL 497.5
NW-C-0963-26
Areas affected by the message
46° 46.946'N 071° 12.493'W
Pt 1: 46° 46.860'N 071° 12.504'W
Pt 2: 46° 46.895'N 071° 12.595'W
Pt 3: 46° 47.034'N 071° 12.468'W
Pt 4: 46° 47.003'N 071° 12.396'W
2026-04-21 13:27 UTC Marine Works Donnacona to Beauport - Saint-David-de-L'auberivière 1316(NAD83)

Construction operations taking place Monday to Saturday from 1100 UTC until 2030 UTC at docks 86 and 87 under the Énergie Valero bridge to install a temporary structure. 

Cancels NW-C-0960-26
Showing results 201 to 220, from 1,481 total results.
Showing results 201 to 220, from 1,481 total results.
Table
Showing results 201 to 220, from 1,481 total results.
Showing results 201 to 220, from 1,481 total results.
ID Date Title Areas Charts Description
NW-M-0385-26 2026-04-24 09:32 UTC Shallow depth reported Chaleur - Miscou - south 4906(NAD83)

Shallow depth reported in:

47 19.148N 064 55.963W observed depth 0.4m

47 18.870N 064 55.896W observed depth 0.6m

These coordinates are in NAD83 CSRS and depths are referenced to local chart datum.

Mariners should use caution when entering the Tabusintac channel.

Cancels NW-M-0368-26
NW-C-0999-26 2026-04-23 22:02 UTC Obstruction Kingston to Cornwall - Wolfe Island 1513(NAD83)

Barge partially submerged at 44 13.932N 076 20.874W. Marked by flashing white light buoy.

Cancels NW-C-1696-25
NW-M-0383-26 2026-04-23 19:21 UTC Aids to Navigation Southwestern Shore 4381(NAD83)

Light Unlit.

Aids: Kaulback Island range rear light LL 454
NW-M-0382-26 2026-04-23 18:07 UTC Aids to Navigation Northumberland Strait 4906(NAD83)

Light changed from Flash 1 second, Eclipse 3 seconds to Flash 1 second, Eclipse 4 seconds.

Aids: Skinners Pond breakwater light LL 1035
NW-M-0381-26 2026-04-23 18:07 UTC Aids to Navigation Northumberland Strait 4906(NAD83)

Light changed from Flash 0.5 seconds, Eclipse 3.5 seconds to Flash 1 second, Eclipse 4 seconds.

Aids: Skinners Pond north breakwater light LL 1035.5
NW-C-0995-26 2026-04-23 14:31 UTC Marine works Trois-Rivières to Donnacona - Portneuf 1314(NAD83)

Demolition operations taking place from a barge at the Portneuf wharf.

Minimum wake requested.
NW-N-0241-26 2026-04-23 10:57 UTC Marine Works Northeast Gulf - south 4652(NAD83)

Diving operations underway in Corner Brook Harbour near the main dock in the vicinity of 48 57.807N 057 54.323W. Requesting a low wake and wide berth. 

Caution. 
NW-P-0562-26 2026-04-23 02:55 UTC MCTS RADAR Dixon Entrance East 3959(NAD83)

Prince Rupert MCTS. RADAR located at Dundas Island inoperative 230230 UTC Apr 2026.
NW-C-0993-26 2026-04-23 00:43 UTC Scientific Moorings Trois-Rivières to Donnacona - Portneuf 1314(NAD83)

The following scientific moorings have been temporarily established:

XB01
46 40.786N 071 52.837W

XB03
46 40.825N 071 52.714W

XB05
46 40.889N 071 52.491W

The moorings are marked with a yellow buoy equipped with an amber flashing light and radar reflector.
NW-C-0986-26 2026-04-22 19:54 UTC Aids to Navigation Lake Ontario - Lakeview 2086(WGS84)

ODAS buoy temporarily established at 43 33.727N 079 30.865W. Buoy is yellow with flashing characteristics Fl Y(5) 20s.
NW-M-0372-26 2026-04-22 16:11 UTC Shallow Depth Confirmed Halifax Harbour and Approaches 4202(NAD83)

As a result of a recent CHS Hydrographic survey, delete sounding 13.2m in 44 38 13.873N, 063 33 50.939W, and add sounding 11.8m in 44 38 14.065N, 063 33 51.220W.

 
NW-M-0371-26 2026-04-22 14:37 UTC Aids to Navigation Gulf - Magdalen - south 4491(NAD83)

All buoys in Malpeque PEI unreliable. Caution.
NW-C-0981-26 2026-04-22 13:59 UTC Marine Works Beauport to L'Isle-aux-Coudres - Lauzon 1316(NAD83)

Rehabilitation operations taking place Monday to Friday from 1030 UTC to 2100 UTC at the Davie Shipyard. 

Minimum wake requested.
NW-C-0978-26 2026-04-22 12:12 UTC Marine Works Lake Ontario - Whitby 2049(NAD27)

Construction operations in progress at the Whitby fuel dock.
NW-M-0369-26 2026-04-22 11:35 UTC Marine Works Chaleur - Miscou - south 4906(NAD83)

Dredging operations in Tabusintac gully during daylight hours starting April 23, 2026.

Tug boat and dump scows will be used. Minimum wash requested. 

Site contact: Daniel Letourneau at (418) 566-5113

Caution.

 
NW-C-0975-26 2026-04-22 00:28 UTC Routing Change - North Atlantic Right Whale Maritimes, Newfoundland, St. Lawrence 4001(NAD83)

Effective 220400 UTC Apr 2026, the following North Atlantic Right Whale restriction Zones are in effect for all vessels greater than 13 meters in length overall:

Static Zones North and South: Vessels must not exceed 10 knots over ground.
Dynamic Shipping Zones A, B, C, D, and E: No restriction in effect.
Seasonal Management Areas 1 and 2: Vessels must not exceed 10 knots over ground.
Restricted area: No restriction in effect.
Voluntary Seasonal Slowdown: Vessels are requested to reduce their speed less than 10 knots over ground.

Additional details are available in Notice to Mariners. Failure to comply with speed restrictions in effect can lead to enforcement action by Transport Canada.
Mariners are requested to report whale sightings and observations of entangled, dead, or injured whales to Marine Communication and Traffic Services.
NW-P-0556-26 2026-04-21 23:24 UTC Aids to Navigation Strait of Georgia 3475(NAD83)

Light Unreliable

Aids: Chemainus Bay range front light LL 282
NW-C-0974-26 2026-04-21 22:03 UTC Scientific Moorings Pointe à Michel to Pointe-des-Monts - Rimouski Port 1236(NAD83)

The following scientific moorings have been temporarily established:

XB_02
48 29.012N 068 31.894W

XB_cage
48 28.862N 068 31.071W

XB_04
48 28.771N 068 31.271W

X3-4G-01061
48 30.734N 068 32.593W

X3-4G-01128
48 31.229N 068 32.928W

X3-4G-01263
48 31.290N 068 32.800W

X3-4G-01172
48 31.072N 068 33.267W

X3-4G-01330
48 31.012N 068 33.398W

XB99
48 28.862N 068 31.424W

The moorings are marked with a yellow buoy equipped with an amber flashing light and radar reflector.

 

Cancels NW-C-0909-26
NW-P-0553-26 2026-04-21 18:46 UTC Aids to Navigation Strait of Georgia 3527(NAD83)

Off position

Aids: Maple Spit light buoy P39 LL 497.5
NW-C-0963-26 2026-04-21 13:27 UTC Marine Works Donnacona to Beauport - Saint-David-de-L'auberivière 1316(NAD83)

Construction operations taking place Monday to Saturday from 1100 UTC until 2030 UTC at docks 86 and 87 under the Énergie Valero bridge to install a temporary structure. 

Cancels NW-C-0960-26
Showing results 201 to 220, from 1,481 total results.
Showing results 201 to 220, from 1,481 total results.
Compact
Showing results 201 to 220, from 1,481 total results.
Showing results 201 to 220, from 1,481 total results.
ID Date Charts Title
NW-M-0385-26 2026-04-24 09:32 UTC 4906(NAD83) Shallow depth reported

Shallow depth reported in:

47 19.148N 064 55.963W observed depth 0.4m

47 18.870N 064 55.896W observed depth 0.6m

These coordinates are in NAD83 CSRS and depths are referenced to local chart datum.

Mariners should use caution when entering the Tabusintac channel.

Cancels NW-M-0368-26
NW-C-0999-26 2026-04-23 22:02 UTC 1513(NAD83) Obstruction

Barge partially submerged at 44 13.932N 076 20.874W. Marked by flashing white light buoy.

Cancels NW-C-1696-25
NW-M-0383-26 2026-04-23 19:21 UTC 4381(NAD83) Aids to Navigation

Light Unlit.

Aids: Kaulback Island range rear light LL 454
NW-M-0382-26 2026-04-23 18:07 UTC 4906(NAD83) Aids to Navigation

Light changed from Flash 1 second, Eclipse 3 seconds to Flash 1 second, Eclipse 4 seconds.

Aids: Skinners Pond breakwater light LL 1035
NW-M-0381-26 2026-04-23 18:07 UTC 4906(NAD83) Aids to Navigation

Light changed from Flash 0.5 seconds, Eclipse 3.5 seconds to Flash 1 second, Eclipse 4 seconds.

Aids: Skinners Pond north breakwater light LL 1035.5
NW-C-0995-26 2026-04-23 14:31 UTC 1314(NAD83) Marine works

Demolition operations taking place from a barge at the Portneuf wharf.

Minimum wake requested.
NW-N-0241-26 2026-04-23 10:57 UTC 4652(NAD83) Marine Works

Diving operations underway in Corner Brook Harbour near the main dock in the vicinity of 48 57.807N 057 54.323W. Requesting a low wake and wide berth. 

Caution. 
NW-P-0562-26 2026-04-23 02:55 UTC 3959(NAD83) MCTS RADAR

Prince Rupert MCTS. RADAR located at Dundas Island inoperative 230230 UTC Apr 2026.
NW-C-0993-26 2026-04-23 00:43 UTC 1314(NAD83) Scientific Moorings

The following scientific moorings have been temporarily established:

XB01
46 40.786N 071 52.837W

XB03
46 40.825N 071 52.714W

XB05
46 40.889N 071 52.491W

The moorings are marked with a yellow buoy equipped with an amber flashing light and radar reflector.
NW-C-0986-26 2026-04-22 19:54 UTC 2086(WGS84) Aids to Navigation

ODAS buoy temporarily established at 43 33.727N 079 30.865W. Buoy is yellow with flashing characteristics Fl Y(5) 20s.
NW-M-0372-26 2026-04-22 16:11 UTC 4202(NAD83) Shallow Depth Confirmed

As a result of a recent CHS Hydrographic survey, delete sounding 13.2m in 44 38 13.873N, 063 33 50.939W, and add sounding 11.8m in 44 38 14.065N, 063 33 51.220W.

 
NW-M-0371-26 2026-04-22 14:37 UTC 4491(NAD83) Aids to Navigation

All buoys in Malpeque PEI unreliable. Caution.
NW-C-0981-26 2026-04-22 13:59 UTC 1316(NAD83) Marine Works

Rehabilitation operations taking place Monday to Friday from 1030 UTC to 2100 UTC at the Davie Shipyard. 

Minimum wake requested.
NW-C-0978-26 2026-04-22 12:12 UTC 2049(NAD27) Marine Works

Construction operations in progress at the Whitby fuel dock.
NW-M-0369-26 2026-04-22 11:35 UTC 4906(NAD83) Marine Works

Dredging operations in Tabusintac gully during daylight hours starting April 23, 2026.

Tug boat and dump scows will be used. Minimum wash requested. 

Site contact: Daniel Letourneau at (418) 566-5113

Caution.

 
NW-C-0975-26 2026-04-22 00:28 UTC 4001(NAD83) Routing Change - North Atlantic Right Whale

Effective 220400 UTC Apr 2026, the following North Atlantic Right Whale restriction Zones are in effect for all vessels greater than 13 meters in length overall:

Static Zones North and South: Vessels must not exceed 10 knots over ground.
Dynamic Shipping Zones A, B, C, D, and E: No restriction in effect.
Seasonal Management Areas 1 and 2: Vessels must not exceed 10 knots over ground.
Restricted area: No restriction in effect.
Voluntary Seasonal Slowdown: Vessels are requested to reduce their speed less than 10 knots over ground.

Additional details are available in Notice to Mariners. Failure to comply with speed restrictions in effect can lead to enforcement action by Transport Canada.
Mariners are requested to report whale sightings and observations of entangled, dead, or injured whales to Marine Communication and Traffic Services.
NW-P-0556-26 2026-04-21 23:24 UTC 3475(NAD83) Aids to Navigation

Light Unreliable

Aids: Chemainus Bay range front light LL 282
NW-C-0974-26 2026-04-21 22:03 UTC 1236(NAD83) Scientific Moorings

The following scientific moorings have been temporarily established:

XB_02
48 29.012N 068 31.894W

XB_cage
48 28.862N 068 31.071W

XB_04
48 28.771N 068 31.271W

X3-4G-01061
48 30.734N 068 32.593W

X3-4G-01128
48 31.229N 068 32.928W

X3-4G-01263
48 31.290N 068 32.800W

X3-4G-01172
48 31.072N 068 33.267W

X3-4G-01330
48 31.012N 068 33.398W

XB99
48 28.862N 068 31.424W

The moorings are marked with a yellow buoy equipped with an amber flashing light and radar reflector.

 

Cancels NW-C-0909-26
NW-P-0553-26 2026-04-21 18:46 UTC 3527(NAD83) Aids to Navigation

Off position

Aids: Maple Spit light buoy P39 LL 497.5
NW-C-0963-26 2026-04-21 13:27 UTC 1316(NAD83) Marine Works

Construction operations taking place Monday to Saturday from 1100 UTC until 2030 UTC at docks 86 and 87 under the Énergie Valero bridge to install a temporary structure. 

Cancels NW-C-0960-26
Showing results 201 to 220, from 1,481 total results.
Showing results 201 to 220, from 1,481 total results.

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