Search for NAVWARNs

Search Criteria

Map of selected areas
Reset

Navigational Warnings (NAVWARNs) replace Notices to Shipping (NOTSHIPs) and shall be construed as Notices to Shipping
Grid
Showing results 421 to 440, from 1,479 total results.
Showing results 421 to 440, from 1,479 total results.
Areas affected by the message
Aids to Navigation - Southwest Coast
2026-01-15 18:10 UTC
NW-N-0062-26

Off position

Aids: Ducie Rock light and bell buoy VD1 LL 116.5
Areas affected by the message
Marine Works - Riprap - Port of Quebec - Pier 25
2026-01-14 21:54 UTC
NW-C-0071-26

Riprap work taking place at pier 25 beginning 15 Jan 2026. 

Areas affected by the message
Waterway Information - Shipping Safety Control Zone 12 - Darnley Bay
2026-01-14 17:13 UTC
NW-A-0004-26

Shoals located at:

69 56.012N 123 51.025W, depth unknown
69 54.007N 123 59.020W, depth unknown
69 48.591N 124 07.422W, depth unknown

Areas affected by the message
Aids to Navigation - North Coast
2026-01-12 17:40 UTC
NW-P-0060-26

Unlit

Aids: Blackrock Point sector light LL 665.41
Areas affected by the message
Aids to Navigation - Southwest Coast
2026-01-11 17:34 UTC
NW-N-0036-26

Off position

Aids: Southwest Rock light buoy QS2 LL 140.7
Areas affected by the message
Aids to Navigation - Grand Manan
2026-01-09 07:54 UTC
NW-M-0035-26

Unlit

Aids: Green Island Shoal light buoy UH2 LL 43.5
Areas affected by the message
Aids to Navigation - South Coast
2026-01-09 04:47 UTC
NW-N-0032-26

Unlit

Aids: Fox Head light buoy E12 LL 39.4
Areas affected by the message
Waterway Information - Howe Sound
2026-01-08 23:57 UTC To 2027-06-01 23:48 UTC
NW-P-0046-26

A temporary Can Buoy has been set in howe sound at the wood fibre LNG site at 49 39.515N 123 15.512W.

Areas affected by the message
MCTS VHF Services - Lake Superior
2026-01-08 22:01 UTC
NW-C-0050-26

Sarnia MCTS. Transmit and receive services on VHF RT CH27 located at Bald Head off air 082145 UTC Jan 2026.

Cancels NW-C-3884-25
Areas affected by the message
Aids to Navigation - Northumberland Strait - Howards Cove
2026-01-08 16:48 UTC
NW-M-0030-26

Changed from year round square skeleton tower to seasonal swing pole with daymark.

Aids: Seal Point (Howards Cove) wharf light LL 1031
Areas affected by the message
Obstruction - Lurcher
2026-01-07 12:16 UTC
NW-M-0028-26

Two wave gauges have been installed in Sanford, NS. One is attached to the wharf inside a plastic pipe and the other is secured to a crab pot with a surface buoy on the end of the West breakwater. 

A wide berth is requested.

Areas affected by the message
Obstruction - Banquereau
2026-01-06 22:01 UTC
NW-N-0024-26

A scientific subsurface mooring has been deployed in position 45 47.150N 057 06.730W with top flotation at 135 meters depth.

Caution

Areas affected by the message
Marine Works - Construction operations - Richelieu River and Northern Lake Champlain - Saint-Jean-sur-Richelieu
2026-01-04 12:20 UTC
NW-C-0031-26

Construction operations taking place during daylight hours on the retaining wall of Royal Military College Saint-Jean at 45 17.919N 073 15.013W beginning 05 Jan 2026. Turbidity curtains, cofferdams and a barge may be present. 

Areas affected by the message
Aids to Navigation - Maritimes
2026-01-03 16:47 UTC
NW-M-0009-26

Mactaqua Head Pond seasonal aids not yet lifted. Aids in this area may be off positon and unreliable and should not be used for navigation.

Cancels NW-M-2017-25
Areas affected by the message
Aids to Navigation - Fundy, Grand Manan, Maritimes
2026-01-03 16:47 UTC
NW-M-0008-26

Saint John river seasonal aids not yet lifted. Aids in this area may be off positon and unreliable and should not be used for navigation.

 

Cancels NW-M-2015-25
Areas affected by the message
Aids to Navigation - Lake Ontario - Telegraph Island
2026-01-03 16:44 UTC
NW-C-0029-26

Unidentified green buoy reported capsized at 44 09.75N 077 07.59W.

Areas affected by the message
Obstruction - Halifax Harbour and Approaches
2026-01-02 23:12 UTC
NW-M-0004-26

Yellow buoy installed at 44 40.214N 063 35.447W. Buoy is equipped with a yellow flashing light. Caution 

Areas affected by the message
Aids to Navigation - Howe Sound
2026-01-02 12:14 UTC
NW-P-0005-26

The private flashing red light at Parteau Cove, Unlit

Areas affected by the message
Aids to Navigation - Southwestern Shore
2026-01-01 18:00 UTC
NW-M-0002-26

Off position in 43 58.900N 064 042.400W. 

Aids: Little Hope Island East Cardinal light buoy UEF LL 394.01
Areas affected by the message
Obstruction - Lake Ontario - Toronto Harbour
2025-12-31 18:11 UTC
NW-C-3897-25

Two submerged pipes 400 metres in length alongside berth 426, marked by hazard markers.

Mooring prohibited.

Cancels NW-C-3422-24
Showing results 421 to 440, from 1,479 total results.
Showing results 421 to 440, from 1,479 total results.
Details
Showing results 421 to 440, from 1,479 total results.
Showing results 421 to 440, from 1,479 total results.
ID Date Title Areas Charts Description
NW-N-0062-26
Areas affected by the message
47° 35.971'N 055° 22.802'W
2026-01-15 18:10 UTC Aids to Navigation Southwest Coast 4831(NAD83)

Off position

Aids: Ducie Rock light and bell buoy VD1 LL 116.5
NW-C-0071-26
Areas affected by the message
46° 49.418'N 071° 11.799'W
2026-01-14 21:54 UTC Marine Works - Riprap Port of Quebec - Pier 25 1316(NAD83)

Riprap work taking place at pier 25 beginning 15 Jan 2026. 

NW-A-0004-26
Areas affected by the message
69° 56.012'N 123° 51.025'W
69° 54.007'N 123° 59.020'W
69° 48.591'N 124° 07.422'W
2026-01-14 17:13 UTC Waterway Information Shipping Safety Control Zone 12 - Darnley Bay 7665(NAD27)

Shoals located at:

69 56.012N 123 51.025W, depth unknown
69 54.007N 123 59.020W, depth unknown
69 48.591N 124 07.422W, depth unknown

NW-P-0060-26
Areas affected by the message
53° 12.508'N 129° 20.654'W
2026-01-12 17:40 UTC Aids to Navigation North Coast 3945(NAD83)

Unlit

Aids: Blackrock Point sector light LL 665.41
NW-N-0036-26
Areas affected by the message
47° 30.280'N 057° 25.069'W
2026-01-11 17:34 UTC Aids to Navigation Southwest Coast 4825(NAD83)

Off position

Aids: Southwest Rock light buoy QS2 LL 140.7
NW-M-0035-26
Areas affected by the message
44° 56.800'N 066° 56.192'W
2026-01-09 07:54 UTC Aids to Navigation Grand Manan 4114(NAD83)

Unlit

Aids: Green Island Shoal light buoy UH2 LL 43.5
NW-N-0032-26
Areas affected by the message
47° 47.401'N 054° 01.528'W
2026-01-09 04:47 UTC Aids to Navigation South Coast 4839(NAD83)

Unlit

Aids: Fox Head light buoy E12 LL 39.4
NW-P-0046-26
Areas affected by the message
49° 39.515'N 123° 15.512'W
2026-01-08 23:57 UTC To 2027-06-01 23:48 UTC Waterway Information Howe Sound 3526(NAD83)

A temporary Can Buoy has been set in howe sound at the wood fibre LNG site at 49 39.515N 123 15.512W.

NW-C-0050-26
Areas affected by the message
47° 39.617'N 084° 47.650'W
2026-01-08 22:01 UTC MCTS VHF Services Lake Superior 14961(NAD83), 2300(NAD83)

Sarnia MCTS. Transmit and receive services on VHF RT CH27 located at Bald Head off air 082145 UTC Jan 2026.

Cancels NW-C-3884-25
NW-M-0030-26
Areas affected by the message
46° 44.382'N 064° 22.772'W
2026-01-08 16:48 UTC Aids to Navigation Northumberland Strait - Howards Cove 4906(NAD83)

Changed from year round square skeleton tower to seasonal swing pole with daymark.

Aids: Seal Point (Howards Cove) wharf light LL 1031
NW-M-0028-26
Areas affected by the message
43° 55.178'N 066° 09.323'W
43° 55.209'N 066° 09.382'W
2026-01-07 12:16 UTC Obstruction Lurcher 4243(NAD83)

Two wave gauges have been installed in Sanford, NS. One is attached to the wharf inside a plastic pipe and the other is secured to a crab pot with a surface buoy on the end of the West breakwater. 

A wide berth is requested.

NW-N-0024-26
Areas affected by the message
45° 47.150'N 057° 06.730'W
2026-01-06 22:01 UTC Obstruction Banquereau 4015(NAD83)

A scientific subsurface mooring has been deployed in position 45 47.150N 057 06.730W with top flotation at 135 meters depth.

Caution

NW-C-0031-26
Areas affected by the message
Polyline
Pt 1: 45° 17.997'N 073° 15.010'W
Pt 2: 45° 17.613'N 073° 15.017'W
2026-01-04 12:20 UTC Marine Works - Construction operations Richelieu River and Northern Lake Champlain - Saint-Jean-sur-Richelieu 1351(NAD83)

Construction operations taking place during daylight hours on the retaining wall of Royal Military College Saint-Jean at 45 17.919N 073 15.013W beginning 05 Jan 2026. Turbidity curtains, cofferdams and a barge may be present. 

NW-M-0009-26
Areas affected by the message
45° 56.726'N 067° 03.004'W
Pt 1: 45° 57.887'N 066° 52.013'W
Pt 2: 45° 56.222'N 066° 51.546'W
Pt 3: 45° 51.100'N 066° 54.875'W
Pt 4: 45° 57.237'N 067° 14.559'W
Pt 5: 46° 01.539'N 067° 16.545'W
2026-01-03 16:47 UTC Aids to Navigation Maritimes 4145(NAD83), 4145(NAD83), 4145(NAD83)

Mactaqua Head Pond seasonal aids not yet lifted. Aids in this area may be off positon and unreliable and should not be used for navigation.

Cancels NW-M-2017-25
NW-M-0008-26
Areas affected by the message
46° 00.278'N 066° 40.521'W
Pt 1: 45° 21.427'N 066° 10.408'W
Pt 2: 45° 20.966'N 066° 15.330'W
Pt 3: 45° 34.038'N 066° 03.584'W
Pt 4: 45° 55.663'N 066° 56.099'W
Pt 5: 46° 23.129'N 067° 38.369'W
Pt 6: 46° 32.446'N 067° 27.460'W
Pt 7: 45° 58.961'N 066° 10.664'W
Pt 8: 45° 38.584'N 065° 46.665'W
2026-01-03 16:47 UTC Aids to Navigation Fundy, Grand Manan, Maritimes 4141(NAD83), 4141(NAD83), 4141(NAD83), 4141(NAD83), 4142(NAD83), 4142(NAD83), 4142(NAD83), 4142(NAD83), 4142(NAD83), 4145(NAD83), 4145(NAD83), 4145(NAD83)

Saint John river seasonal aids not yet lifted. Aids in this area may be off positon and unreliable and should not be used for navigation.

 

Cancels NW-M-2015-25
NW-C-0029-26
Areas affected by the message
44° 09.750'N 077° 07.590'W
2026-01-03 16:44 UTC Aids to Navigation Lake Ontario - Telegraph Island 2019(NAD83)

Unidentified green buoy reported capsized at 44 09.75N 077 07.59W.

NW-M-0004-26
Areas affected by the message
44° 40.214'N 063° 35.447'W
2026-01-02 23:12 UTC Obstruction Halifax Harbour and Approaches 4201(NAD83), 4202(NAD83)

Yellow buoy installed at 44 40.214N 063 35.447W. Buoy is equipped with a yellow flashing light. Caution 

NW-P-0005-26
Areas affected by the message
49° 33.577'N 123° 14.324'W
2026-01-02 12:14 UTC Aids to Navigation Howe Sound 3526(NAD83)

The private flashing red light at Parteau Cove, Unlit

NW-M-0002-26
Areas affected by the message
43° 48.210'N 064° 46.453'W (Advertised Position)
43° 58.900'N 064° 42.400'W (Reported Position)
2026-01-01 18:00 UTC Aids to Navigation Southwestern Shore 4240(NAD83)

Off position in 43 58.900N 064 042.400W. 

Aids: Little Hope Island East Cardinal light buoy UEF LL 394.01
NW-C-3897-25
Areas affected by the message
43° 38.987'N 079° 20.093'W
Pt 1: 43° 39.015'N 079° 20.057'W
Pt 2: 43° 39.007'N 079° 20.044'W
Pt 3: 43° 38.958'N 079° 20.129'W
Pt 4: 43° 38.967'N 079° 20.141'W
2025-12-31 18:11 UTC Obstruction Lake Ontario - Toronto Harbour 2085(NAD83)

Two submerged pipes 400 metres in length alongside berth 426, marked by hazard markers.

Mooring prohibited.

Cancels NW-C-3422-24
Showing results 421 to 440, from 1,479 total results.
Showing results 421 to 440, from 1,479 total results.
Table
Showing results 421 to 440, from 1,479 total results.
Showing results 421 to 440, from 1,479 total results.
ID Date Title Areas Charts Description
NW-N-0062-26 2026-01-15 18:10 UTC Aids to Navigation Southwest Coast 4831(NAD83)

Off position

Aids: Ducie Rock light and bell buoy VD1 LL 116.5
NW-C-0071-26 2026-01-14 21:54 UTC Marine Works - Riprap Port of Quebec - Pier 25 1316(NAD83)

Riprap work taking place at pier 25 beginning 15 Jan 2026. 

NW-A-0004-26 2026-01-14 17:13 UTC Waterway Information Shipping Safety Control Zone 12 - Darnley Bay 7665(NAD27)

Shoals located at:

69 56.012N 123 51.025W, depth unknown
69 54.007N 123 59.020W, depth unknown
69 48.591N 124 07.422W, depth unknown

NW-P-0060-26 2026-01-12 17:40 UTC Aids to Navigation North Coast 3945(NAD83)

Unlit

Aids: Blackrock Point sector light LL 665.41
NW-N-0036-26 2026-01-11 17:34 UTC Aids to Navigation Southwest Coast 4825(NAD83)

Off position

Aids: Southwest Rock light buoy QS2 LL 140.7
NW-M-0035-26 2026-01-09 07:54 UTC Aids to Navigation Grand Manan 4114(NAD83)

Unlit

Aids: Green Island Shoal light buoy UH2 LL 43.5
NW-N-0032-26 2026-01-09 04:47 UTC Aids to Navigation South Coast 4839(NAD83)

Unlit

Aids: Fox Head light buoy E12 LL 39.4
NW-P-0046-26 2026-01-08 23:57 UTC To 2027-06-01 23:48 UTC Waterway Information Howe Sound 3526(NAD83)

A temporary Can Buoy has been set in howe sound at the wood fibre LNG site at 49 39.515N 123 15.512W.

NW-C-0050-26 2026-01-08 22:01 UTC MCTS VHF Services Lake Superior 14961(NAD83), 2300(NAD83)

Sarnia MCTS. Transmit and receive services on VHF RT CH27 located at Bald Head off air 082145 UTC Jan 2026.

Cancels NW-C-3884-25
NW-M-0030-26 2026-01-08 16:48 UTC Aids to Navigation Northumberland Strait - Howards Cove 4906(NAD83)

Changed from year round square skeleton tower to seasonal swing pole with daymark.

Aids: Seal Point (Howards Cove) wharf light LL 1031
NW-M-0028-26 2026-01-07 12:16 UTC Obstruction Lurcher 4243(NAD83)

Two wave gauges have been installed in Sanford, NS. One is attached to the wharf inside a plastic pipe and the other is secured to a crab pot with a surface buoy on the end of the West breakwater. 

A wide berth is requested.

NW-N-0024-26 2026-01-06 22:01 UTC Obstruction Banquereau 4015(NAD83)

A scientific subsurface mooring has been deployed in position 45 47.150N 057 06.730W with top flotation at 135 meters depth.

Caution

NW-C-0031-26 2026-01-04 12:20 UTC Marine Works - Construction operations Richelieu River and Northern Lake Champlain - Saint-Jean-sur-Richelieu 1351(NAD83)

Construction operations taking place during daylight hours on the retaining wall of Royal Military College Saint-Jean at 45 17.919N 073 15.013W beginning 05 Jan 2026. Turbidity curtains, cofferdams and a barge may be present. 

NW-M-0009-26 2026-01-03 16:47 UTC Aids to Navigation Maritimes 4145(NAD83), 4145(NAD83), 4145(NAD83)

Mactaqua Head Pond seasonal aids not yet lifted. Aids in this area may be off positon and unreliable and should not be used for navigation.

Cancels NW-M-2017-25
NW-M-0008-26 2026-01-03 16:47 UTC Aids to Navigation Fundy, Grand Manan, Maritimes 4141(NAD83), 4141(NAD83), 4141(NAD83), 4141(NAD83), 4142(NAD83), 4142(NAD83), 4142(NAD83), 4142(NAD83), 4142(NAD83), 4145(NAD83), 4145(NAD83), 4145(NAD83)

Saint John river seasonal aids not yet lifted. Aids in this area may be off positon and unreliable and should not be used for navigation.

 

Cancels NW-M-2015-25
NW-C-0029-26 2026-01-03 16:44 UTC Aids to Navigation Lake Ontario - Telegraph Island 2019(NAD83)

Unidentified green buoy reported capsized at 44 09.75N 077 07.59W.

NW-M-0004-26 2026-01-02 23:12 UTC Obstruction Halifax Harbour and Approaches 4201(NAD83), 4202(NAD83)

Yellow buoy installed at 44 40.214N 063 35.447W. Buoy is equipped with a yellow flashing light. Caution 

NW-P-0005-26 2026-01-02 12:14 UTC Aids to Navigation Howe Sound 3526(NAD83)

The private flashing red light at Parteau Cove, Unlit

NW-M-0002-26 2026-01-01 18:00 UTC Aids to Navigation Southwestern Shore 4240(NAD83)

Off position in 43 58.900N 064 042.400W. 

Aids: Little Hope Island East Cardinal light buoy UEF LL 394.01
NW-C-3897-25 2025-12-31 18:11 UTC Obstruction Lake Ontario - Toronto Harbour 2085(NAD83)

Two submerged pipes 400 metres in length alongside berth 426, marked by hazard markers.

Mooring prohibited.

Cancels NW-C-3422-24
Showing results 421 to 440, from 1,479 total results.
Showing results 421 to 440, from 1,479 total results.
Compact
Showing results 421 to 440, from 1,479 total results.
Showing results 421 to 440, from 1,479 total results.
ID Date Charts Title
NW-N-0062-26 2026-01-15 18:10 UTC 4831(NAD83) Aids to Navigation

Off position

Aids: Ducie Rock light and bell buoy VD1 LL 116.5
NW-C-0071-26 2026-01-14 21:54 UTC 1316(NAD83) Marine Works - Riprap

Riprap work taking place at pier 25 beginning 15 Jan 2026. 

NW-A-0004-26 2026-01-14 17:13 UTC 7665(NAD27) Waterway Information

Shoals located at:

69 56.012N 123 51.025W, depth unknown
69 54.007N 123 59.020W, depth unknown
69 48.591N 124 07.422W, depth unknown

NW-P-0060-26 2026-01-12 17:40 UTC 3945(NAD83) Aids to Navigation

Unlit

Aids: Blackrock Point sector light LL 665.41
NW-N-0036-26 2026-01-11 17:34 UTC 4825(NAD83) Aids to Navigation

Off position

Aids: Southwest Rock light buoy QS2 LL 140.7
NW-M-0035-26 2026-01-09 07:54 UTC 4114(NAD83) Aids to Navigation

Unlit

Aids: Green Island Shoal light buoy UH2 LL 43.5
NW-N-0032-26 2026-01-09 04:47 UTC 4839(NAD83) Aids to Navigation

Unlit

Aids: Fox Head light buoy E12 LL 39.4
NW-P-0046-26 2026-01-08 23:57 UTC To 2027-06-01 23:48 UTC 3526(NAD83) Waterway Information

A temporary Can Buoy has been set in howe sound at the wood fibre LNG site at 49 39.515N 123 15.512W.

NW-C-0050-26 2026-01-08 22:01 UTC 14961(NAD83), 2300(NAD83) MCTS VHF Services

Sarnia MCTS. Transmit and receive services on VHF RT CH27 located at Bald Head off air 082145 UTC Jan 2026.

Cancels NW-C-3884-25
NW-M-0030-26 2026-01-08 16:48 UTC 4906(NAD83) Aids to Navigation

Changed from year round square skeleton tower to seasonal swing pole with daymark.

Aids: Seal Point (Howards Cove) wharf light LL 1031
NW-M-0028-26 2026-01-07 12:16 UTC 4243(NAD83) Obstruction

Two wave gauges have been installed in Sanford, NS. One is attached to the wharf inside a plastic pipe and the other is secured to a crab pot with a surface buoy on the end of the West breakwater. 

A wide berth is requested.

NW-N-0024-26 2026-01-06 22:01 UTC 4015(NAD83) Obstruction

A scientific subsurface mooring has been deployed in position 45 47.150N 057 06.730W with top flotation at 135 meters depth.

Caution

NW-C-0031-26 2026-01-04 12:20 UTC 1351(NAD83) Marine Works - Construction operations

Construction operations taking place during daylight hours on the retaining wall of Royal Military College Saint-Jean at 45 17.919N 073 15.013W beginning 05 Jan 2026. Turbidity curtains, cofferdams and a barge may be present. 

NW-M-0009-26 2026-01-03 16:47 UTC 4145(NAD83), 4145(NAD83), 4145(NAD83) Aids to Navigation

Mactaqua Head Pond seasonal aids not yet lifted. Aids in this area may be off positon and unreliable and should not be used for navigation.

Cancels NW-M-2017-25
NW-M-0008-26 2026-01-03 16:47 UTC 4141(NAD83), 4141(NAD83), 4141(NAD83), 4141(NAD83), 4142(NAD83), 4142(NAD83), 4142(NAD83), 4142(NAD83), 4142(NAD83), 4145(NAD83), 4145(NAD83), 4145(NAD83) Aids to Navigation

Saint John river seasonal aids not yet lifted. Aids in this area may be off positon and unreliable and should not be used for navigation.

 

Cancels NW-M-2015-25
NW-C-0029-26 2026-01-03 16:44 UTC 2019(NAD83) Aids to Navigation

Unidentified green buoy reported capsized at 44 09.75N 077 07.59W.

NW-M-0004-26 2026-01-02 23:12 UTC 4201(NAD83), 4202(NAD83) Obstruction

Yellow buoy installed at 44 40.214N 063 35.447W. Buoy is equipped with a yellow flashing light. Caution 

NW-P-0005-26 2026-01-02 12:14 UTC 3526(NAD83) Aids to Navigation

The private flashing red light at Parteau Cove, Unlit

NW-M-0002-26 2026-01-01 18:00 UTC 4240(NAD83) Aids to Navigation

Off position in 43 58.900N 064 042.400W. 

Aids: Little Hope Island East Cardinal light buoy UEF LL 394.01
NW-C-3897-25 2025-12-31 18:11 UTC 2085(NAD83) Obstruction

Two submerged pipes 400 metres in length alongside berth 426, marked by hazard markers.

Mooring prohibited.

Cancels NW-C-3422-24
Showing results 421 to 440, from 1,479 total results.
Showing results 421 to 440, from 1,479 total results.

Related links

Report a problem on this page
Please select all that apply:

Privacy statement

Thank you for your help!

You will not receive a reply. For enquiries, please contact us.

Date Modified: