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
Caution. In enabling the option to Exclude NAVWARNs of regional scope in your search parameters, some relevant NAVWARNs associated to the Regional or National areas may be missing from the search results.
Grid
Showing results 21 to 40, from 102 total results.
Showing results 21 to 40, from 102 total results.
Areas affected by the message
Aids to Navigation - Beaufort Sea, Shipping Safety Control Zone 12
2025-09-30 02:02 UTC
NW-A-0298-25

Temporarily out of service

Aids: Tuktoyaktuk inner Harbour range front light #4 LL 2512
Areas affected by the message
Aids to Navigation - Beaufort Sea, Shipping Safety Control Zone 12
2025-09-30 02:02 UTC
NW-A-0297-25

Temporarily out of service

Aids: Tuktoyaktuk Peninsula #2 range front light LL 2510
Areas affected by the message
Aids to Navigation - Shipping Safety Control Zone 7
2025-09-30 00:39 UTC
NW-A-0296-25

Unreliable

Aids: Royal Geographic Society Island day beacon
Areas affected by the message
Waterway Information - Shipping Safety Control Zone 1 - Erskine Inlet
2025-09-29 21:35 UTC
NW-A-0295-25

Shallow depth reported at 76 40.356N 102 16.622W,  33.57m

 

Areas affected by the message
Waterway Information - Shipping Safety Control Zone 6
2025-09-27 19:04 UTC
NW-A-0290-25

Shallow depth reported at 71 18.038N 096 52.611W,  37.6m

Areas affected by the message
Waterway Information - Shipping Safety Control Zone 6
2025-09-27 12:31 UTC
NW-A-0289-25

Shallow depths reported:

71 21.823N 096 47.186W, 42m

Areas affected by the message
Aids to Navigation - Point Separation mile 913 to Kittigazuit Bay mile 1081, Shipping Safety Control Zone 12
2025-09-23 16:01 UTC
NW-A-0282-25

Permanently relocated to 68 15.955N 134 21.225W and operating properly.

Aids: Mile 967.4 port day beacon facing upstream
Cancels NW-A-0281-25
Areas affected by the message
Aids to Navigation - Beaufort Sea, Shipping Safety Control Zone 12
2025-09-20 21:38 UTC
NW-A-0277-25

Missing

Aids: Kittigazuit Bay light buoy LL 1816
Areas affected by the message
Aids to Navigation - Shipping Safety Control Zone 7
2025-09-19 23:05 UTC
NW-A-0276-25

Unreliable

Aids: Simpson Strait rear range #4
Areas affected by the message
Waterway Information - Arctic
2025-09-17 19:37 UTC
NW-A-0273-25

Observed water levels at tide station 05160 Chesterfield Narrows are up to 0.5 m lower than predicted and may fall below chart datum by up to 0.1 m at low tide. Mariners should use the observed water levels and exercise caution when navigating through this area.

Areas affected by the message
Waterway Information - Shipping Safety Control Zone 15
2025-09-17 19:01 UTC
NW-A-0272-25

Potential shoals of unknown depths in the area bounded by the following coordinates:

65 01.231N 063 22.848W
64 57.513N 063 05.240W
65 09.232N 062 52.575W
65 11.165N 063 09.077W

Areas affected by the message
Waterway Information - Shipping Safety Control Zone 10
2025-09-17 19:01 UTC
NW-A-0271-25

Potential shoals of unknown depths in the area bounded by the following
coordinates:

65 34.155N 062 13.649W
65 34.029N 062 12.974W
65 33.246N 062 13.332W
65 33.484N 062 14.032W

Areas affected by the message
Waterway Information - Shipping Safety Control Zone 10
2025-09-17 19:00 UTC
NW-A-0270-25

Shoals located at:

65 14.946N 063 03.293W, depth unknown

65 15.157N 063 01.288W, depth unknown

 

 

 

Areas affected by the message
Obstruction - Shipping Safety Control Zone 10
2025-09-05 02:04 UTC
NW-A-0262-25

Subsurface scientific mooring deployed in 66 01.858N 067 06.154W, top of mooring 1.0m above seabed. This mooring will remain deployed for one year.

Areas affected by the message
Waterway Information - Shipping Safety Control Zone 13
2025-08-30 20:36 UTC
NW-A-0258-25

Shallow depth reported at 74 38.628N 091 20.535W, 13.6m.

Depths are reduced to CHS Chart Datum.

Areas affected by the message
Aids to Navigation - Beaufort Sea, Shipping Safety Control Zone 12
2025-08-28 17:49 UTC
NW-A-0252-25

Out of service

Aids: Pitt Island Racon
Areas affected by the message
Aids to Navigation - Beaufort Sea, Shipping Safety Control Zone 12
2025-08-22 09:42 UTC
NW-A-0243-25

Permanently discontinued

Aids: Warren Point Racon
Cancels NW-A-0141-25
Areas affected by the message
Aids to Navigation - Shipping Safety Control Zone 12
2025-08-21 10:15 UTC
NW-A-0239-25

Permanently relocated to 71 57.341N 125 14.388W

Aids: Sachs Harbour Spit Daymark
Areas affected by the message
Aids to Navigation - Shipping Safety Control Zone 12
2025-08-20 16:07 UTC
NW-A-0235-25

Unreliable. This also affects ENC CA372007.

Aids: Sachs Harbour front range , Sachs Harbour rear range
Cancels NW-A-0234-25
Areas affected by the message
Waterway information - Shipping Safety Control Zone 13
2025-08-20 07:45 UTC
NW-A-0233-25

Shallow depths reported:

74 39.714N 091 18.591W   7.1m
74 39.865N 091 18.314W   8.0m
74 39.961N 091 18.389W   17.1m
74 40.290N 091 18.351W   12.7m

 

Depths are reduced to CHS Chart Datum.

Showing results 21 to 40, from 102 total results.
Showing results 21 to 40, from 102 total results.
Details
Showing results 21 to 40, from 102 total results.
Showing results 21 to 40, from 102 total results.
ID Date Title Areas Charts Description
NW-A-0298-25
Areas affected by the message
69° 27.681'N 132° 58.997'W
2025-09-30 02:02 UTC Aids to Navigation Beaufort Sea, Shipping Safety Control Zone 12 7685(WGS84)

Temporarily out of service

Aids: Tuktoyaktuk inner Harbour range front light #4 LL 2512
NW-A-0297-25
Areas affected by the message
69° 27.906'N 132° 59.349'W
2025-09-30 02:02 UTC Aids to Navigation Beaufort Sea, Shipping Safety Control Zone 12 7685(WGS84)

Temporarily out of service

Aids: Tuktoyaktuk Peninsula #2 range front light LL 2510
NW-A-0296-25
Areas affected by the message
69° 00.183'N 100° 39.104'W
2025-09-30 00:39 UTC Aids to Navigation Shipping Safety Control Zone 7 7784(NAD83)

Unreliable

Aids: Royal Geographic Society Island day beacon
NW-A-0295-25
Areas affected by the message
76° 40.356'N 102° 16.622'W
2025-09-29 21:35 UTC Waterway Information Shipping Safety Control Zone 1 - Erskine Inlet 7980(NAD27)

Shallow depth reported at 76 40.356N 102 16.622W,  33.57m

 
NW-A-0290-25
Areas affected by the message
71° 18.038'N 096° 52.611'W
2025-09-27 19:04 UTC Waterway Information Shipping Safety Control Zone 6 7575(NAD83)

Shallow depth reported at 71 18.038N 096 52.611W,  37.6m
NW-A-0289-25
Areas affected by the message
71° 21.823'N 096° 47.186'W
2025-09-27 12:31 UTC Waterway Information Shipping Safety Control Zone 6 7575(NAD83)

Shallow depths reported:

71 21.823N 096 47.186W, 42m
NW-A-0282-25
Areas affected by the message
68° 16.038'N 134° 21.339'W
68° 15.955'N 134° 21.225'W
2025-09-23 16:01 UTC Aids to Navigation Point Separation mile 913 to Kittigazuit Bay mile 1081, Shipping Safety Control Zone 12 6428(NAD83), 6436(NAD83)

Permanently relocated to 68 15.955N 134 21.225W and operating properly.

Aids: Mile 967.4 port day beacon facing upstream
Cancels NW-A-0281-25
NW-A-0277-25
Areas affected by the message
69° 24.193'N 133° 38.164'W
2025-09-20 21:38 UTC Aids to Navigation Beaufort Sea, Shipping Safety Control Zone 12 6431(NAD83)

Missing

Aids: Kittigazuit Bay light buoy LL 1816
NW-A-0276-25
Areas affected by the message
68° 34.320'N 097° 33.052'W
2025-09-19 23:05 UTC Aids to Navigation Shipping Safety Control Zone 7 7736(WGS84)

Unreliable

Aids: Simpson Strait rear range #4
NW-A-0273-25
Areas affected by the message
63° 59.491'N 094° 18.157'W
2025-09-17 19:37 UTC Waterway Information Arctic 5625(WGS84)

Observed water levels at tide station 05160 Chesterfield Narrows are up to 0.5 m lower than predicted and may fall below chart datum by up to 0.1 m at low tide. Mariners should use the observed water levels and exercise caution when navigating through this area.
NW-A-0272-25
Areas affected by the message
65° 04.612'N 063° 07.437'W
Pt 1: 65° 11.165'N 063° 09.077'W
Pt 2: 65° 09.232'N 062° 52.575'W
Pt 3: 64° 57.513'N 063° 05.240'W
Pt 4: 65° 01.231'N 063° 22.848'W
2025-09-17 19:01 UTC Waterway Information Shipping Safety Control Zone 15 7052(NAD83)

Potential shoals of unknown depths in the area bounded by the following coordinates:

65 01.231N 063 22.848W
64 57.513N 063 05.240W
65 09.232N 062 52.575W
65 11.165N 063 09.077W
NW-A-0271-25
Areas affected by the message
65° 33.720'N 062° 13.493'W
Pt 1: 65° 34.155'N 062° 13.649'W
Pt 2: 65° 34.029'N 062° 12.974'W
Pt 3: 65° 33.246'N 062° 13.332'W
Pt 4: 65° 33.484'N 062° 14.032'W
2025-09-17 19:01 UTC Waterway Information Shipping Safety Control Zone 10 7051(ARPHOT), 7052(NAD83)

Potential shoals of unknown depths in the area bounded by the following
coordinates:

65 34.155N 062 13.649W
65 34.029N 062 12.974W
65 33.246N 062 13.332W
65 33.484N 062 14.032W
NW-A-0270-25
Areas affected by the message
65° 14.946'N 063° 03.293'W
65° 15.157'N 063° 01.288'W
2025-09-17 19:00 UTC Waterway Information Shipping Safety Control Zone 10 7051(ARPHOT), 7052(NAD83)

Shoals located at:

65 14.946N 063 03.293W, depth unknown

65 15.157N 063 01.288W, depth unknown

 

 

 
NW-A-0262-25
Areas affected by the message
66° 01.858'N 067° 06.154'W
2025-09-05 02:04 UTC Obstruction Shipping Safety Control Zone 10 7051(ARPHOT)

Subsurface scientific mooring deployed in 66 01.858N 067 06.154W, top of mooring 1.0m above seabed. This mooring will remain deployed for one year.
NW-A-0258-25
Areas affected by the message
74° 38.628'N 091° 20.535'W
2025-08-30 20:36 UTC Waterway Information Shipping Safety Control Zone 13 7527(WGS84)

Shallow depth reported at 74 38.628N 091 20.535W, 13.6m.

Depths are reduced to CHS Chart Datum.
NW-A-0252-25
Areas affected by the message
69° 09.243'N 136° 10.665'W
2025-08-28 17:49 UTC Aids to Navigation Beaufort Sea, Shipping Safety Control Zone 12 7662(NAD83)

Out of service

Aids: Pitt Island Racon
NW-A-0243-25
Areas affected by the message
69° 45.000'N 132° 21.500'W
2025-08-22 09:42 UTC Aids to Navigation Beaufort Sea, Shipping Safety Control Zone 12 7608(NAD83), 7663(NAD83)

Permanently discontinued

Aids: Warren Point Racon
Cancels NW-A-0141-25
NW-A-0239-25
Areas affected by the message
71° 57.330'N 125° 14.400'W
71° 57.341'N 125° 14.388'W
2025-08-21 10:15 UTC Aids to Navigation Shipping Safety Control Zone 12 7621(NAD83), 7832(NAD83)

Permanently relocated to 71 57.341N 125 14.388W

Aids: Sachs Harbour Spit Daymark
NW-A-0235-25
Areas affected by the message
71° 59.227'N 125° 14.651'W
71° 59.251'N 125° 14.541'W
2025-08-20 16:07 UTC Aids to Navigation Shipping Safety Control Zone 12 7621(NAD83), 7832(NAD83)

Unreliable. This also affects ENC CA372007.

Aids: Sachs Harbour front range , Sachs Harbour rear range
Cancels NW-A-0234-25
NW-A-0233-25
Areas affected by the message
74° 39.714'N 091° 18.591'W
74° 39.865'N 091° 18.314'W
74° 39.961'N 091° 18.389'W
74° 40.290'N 091° 18.351'W
2025-08-20 07:45 UTC Waterway information Shipping Safety Control Zone 13 7527(WGS84), 7569(WGS84)

Shallow depths reported:

74 39.714N 091 18.591W   7.1m
74 39.865N 091 18.314W   8.0m
74 39.961N 091 18.389W   17.1m
74 40.290N 091 18.351W   12.7m

 

Depths are reduced to CHS Chart Datum.
Showing results 21 to 40, from 102 total results.
Showing results 21 to 40, from 102 total results.
Table
Showing results 21 to 40, from 102 total results.
Showing results 21 to 40, from 102 total results.
ID Date Title Areas Charts Description
NW-A-0298-25 2025-09-30 02:02 UTC Aids to Navigation Beaufort Sea, Shipping Safety Control Zone 12 7685(WGS84)

Temporarily out of service

Aids: Tuktoyaktuk inner Harbour range front light #4 LL 2512
NW-A-0297-25 2025-09-30 02:02 UTC Aids to Navigation Beaufort Sea, Shipping Safety Control Zone 12 7685(WGS84)

Temporarily out of service

Aids: Tuktoyaktuk Peninsula #2 range front light LL 2510
NW-A-0296-25 2025-09-30 00:39 UTC Aids to Navigation Shipping Safety Control Zone 7 7784(NAD83)

Unreliable

Aids: Royal Geographic Society Island day beacon
NW-A-0295-25 2025-09-29 21:35 UTC Waterway Information Shipping Safety Control Zone 1 - Erskine Inlet 7980(NAD27)

Shallow depth reported at 76 40.356N 102 16.622W,  33.57m

 
NW-A-0290-25 2025-09-27 19:04 UTC Waterway Information Shipping Safety Control Zone 6 7575(NAD83)

Shallow depth reported at 71 18.038N 096 52.611W,  37.6m
NW-A-0289-25 2025-09-27 12:31 UTC Waterway Information Shipping Safety Control Zone 6 7575(NAD83)

Shallow depths reported:

71 21.823N 096 47.186W, 42m
NW-A-0282-25 2025-09-23 16:01 UTC Aids to Navigation Point Separation mile 913 to Kittigazuit Bay mile 1081, Shipping Safety Control Zone 12 6428(NAD83), 6436(NAD83)

Permanently relocated to 68 15.955N 134 21.225W and operating properly.

Aids: Mile 967.4 port day beacon facing upstream
Cancels NW-A-0281-25
NW-A-0277-25 2025-09-20 21:38 UTC Aids to Navigation Beaufort Sea, Shipping Safety Control Zone 12 6431(NAD83)

Missing

Aids: Kittigazuit Bay light buoy LL 1816
NW-A-0276-25 2025-09-19 23:05 UTC Aids to Navigation Shipping Safety Control Zone 7 7736(WGS84)

Unreliable

Aids: Simpson Strait rear range #4
NW-A-0273-25 2025-09-17 19:37 UTC Waterway Information Arctic 5625(WGS84)

Observed water levels at tide station 05160 Chesterfield Narrows are up to 0.5 m lower than predicted and may fall below chart datum by up to 0.1 m at low tide. Mariners should use the observed water levels and exercise caution when navigating through this area.
NW-A-0272-25 2025-09-17 19:01 UTC Waterway Information Shipping Safety Control Zone 15 7052(NAD83)

Potential shoals of unknown depths in the area bounded by the following coordinates:

65 01.231N 063 22.848W
64 57.513N 063 05.240W
65 09.232N 062 52.575W
65 11.165N 063 09.077W
NW-A-0271-25 2025-09-17 19:01 UTC Waterway Information Shipping Safety Control Zone 10 7051(ARPHOT), 7052(NAD83)

Potential shoals of unknown depths in the area bounded by the following
coordinates:

65 34.155N 062 13.649W
65 34.029N 062 12.974W
65 33.246N 062 13.332W
65 33.484N 062 14.032W
NW-A-0270-25 2025-09-17 19:00 UTC Waterway Information Shipping Safety Control Zone 10 7051(ARPHOT), 7052(NAD83)

Shoals located at:

65 14.946N 063 03.293W, depth unknown

65 15.157N 063 01.288W, depth unknown

 

 

 
NW-A-0262-25 2025-09-05 02:04 UTC Obstruction Shipping Safety Control Zone 10 7051(ARPHOT)

Subsurface scientific mooring deployed in 66 01.858N 067 06.154W, top of mooring 1.0m above seabed. This mooring will remain deployed for one year.
NW-A-0258-25 2025-08-30 20:36 UTC Waterway Information Shipping Safety Control Zone 13 7527(WGS84)

Shallow depth reported at 74 38.628N 091 20.535W, 13.6m.

Depths are reduced to CHS Chart Datum.
NW-A-0252-25 2025-08-28 17:49 UTC Aids to Navigation Beaufort Sea, Shipping Safety Control Zone 12 7662(NAD83)

Out of service

Aids: Pitt Island Racon
NW-A-0243-25 2025-08-22 09:42 UTC Aids to Navigation Beaufort Sea, Shipping Safety Control Zone 12 7608(NAD83), 7663(NAD83)

Permanently discontinued

Aids: Warren Point Racon
Cancels NW-A-0141-25
NW-A-0239-25 2025-08-21 10:15 UTC Aids to Navigation Shipping Safety Control Zone 12 7621(NAD83), 7832(NAD83)

Permanently relocated to 71 57.341N 125 14.388W

Aids: Sachs Harbour Spit Daymark
NW-A-0235-25 2025-08-20 16:07 UTC Aids to Navigation Shipping Safety Control Zone 12 7621(NAD83), 7832(NAD83)

Unreliable. This also affects ENC CA372007.

Aids: Sachs Harbour front range , Sachs Harbour rear range
Cancels NW-A-0234-25
NW-A-0233-25 2025-08-20 07:45 UTC Waterway information Shipping Safety Control Zone 13 7527(WGS84), 7569(WGS84)

Shallow depths reported:

74 39.714N 091 18.591W   7.1m
74 39.865N 091 18.314W   8.0m
74 39.961N 091 18.389W   17.1m
74 40.290N 091 18.351W   12.7m

 

Depths are reduced to CHS Chart Datum.
Showing results 21 to 40, from 102 total results.
Showing results 21 to 40, from 102 total results.
Compact
Showing results 21 to 40, from 102 total results.
Showing results 21 to 40, from 102 total results.
ID Date Charts Title
NW-A-0298-25 2025-09-30 02:02 UTC 7685(WGS84) Aids to Navigation

Temporarily out of service

Aids: Tuktoyaktuk inner Harbour range front light #4 LL 2512
NW-A-0297-25 2025-09-30 02:02 UTC 7685(WGS84) Aids to Navigation

Temporarily out of service

Aids: Tuktoyaktuk Peninsula #2 range front light LL 2510
NW-A-0296-25 2025-09-30 00:39 UTC 7784(NAD83) Aids to Navigation

Unreliable

Aids: Royal Geographic Society Island day beacon
NW-A-0295-25 2025-09-29 21:35 UTC 7980(NAD27) Waterway Information

Shallow depth reported at 76 40.356N 102 16.622W,  33.57m

 
NW-A-0290-25 2025-09-27 19:04 UTC 7575(NAD83) Waterway Information

Shallow depth reported at 71 18.038N 096 52.611W,  37.6m
NW-A-0289-25 2025-09-27 12:31 UTC 7575(NAD83) Waterway Information

Shallow depths reported:

71 21.823N 096 47.186W, 42m
NW-A-0282-25 2025-09-23 16:01 UTC 6428(NAD83), 6436(NAD83) Aids to Navigation

Permanently relocated to 68 15.955N 134 21.225W and operating properly.

Aids: Mile 967.4 port day beacon facing upstream
Cancels NW-A-0281-25
NW-A-0277-25 2025-09-20 21:38 UTC 6431(NAD83) Aids to Navigation

Missing

Aids: Kittigazuit Bay light buoy LL 1816
NW-A-0276-25 2025-09-19 23:05 UTC 7736(WGS84) Aids to Navigation

Unreliable

Aids: Simpson Strait rear range #4
NW-A-0273-25 2025-09-17 19:37 UTC 5625(WGS84) Waterway Information

Observed water levels at tide station 05160 Chesterfield Narrows are up to 0.5 m lower than predicted and may fall below chart datum by up to 0.1 m at low tide. Mariners should use the observed water levels and exercise caution when navigating through this area.
NW-A-0272-25 2025-09-17 19:01 UTC 7052(NAD83) Waterway Information

Potential shoals of unknown depths in the area bounded by the following coordinates:

65 01.231N 063 22.848W
64 57.513N 063 05.240W
65 09.232N 062 52.575W
65 11.165N 063 09.077W
NW-A-0271-25 2025-09-17 19:01 UTC 7051(ARPHOT), 7052(NAD83) Waterway Information

Potential shoals of unknown depths in the area bounded by the following
coordinates:

65 34.155N 062 13.649W
65 34.029N 062 12.974W
65 33.246N 062 13.332W
65 33.484N 062 14.032W
NW-A-0270-25 2025-09-17 19:00 UTC 7051(ARPHOT), 7052(NAD83) Waterway Information

Shoals located at:

65 14.946N 063 03.293W, depth unknown

65 15.157N 063 01.288W, depth unknown

 

 

 
NW-A-0262-25 2025-09-05 02:04 UTC 7051(ARPHOT) Obstruction

Subsurface scientific mooring deployed in 66 01.858N 067 06.154W, top of mooring 1.0m above seabed. This mooring will remain deployed for one year.
NW-A-0258-25 2025-08-30 20:36 UTC 7527(WGS84) Waterway Information

Shallow depth reported at 74 38.628N 091 20.535W, 13.6m.

Depths are reduced to CHS Chart Datum.
NW-A-0252-25 2025-08-28 17:49 UTC 7662(NAD83) Aids to Navigation

Out of service

Aids: Pitt Island Racon
NW-A-0243-25 2025-08-22 09:42 UTC 7608(NAD83), 7663(NAD83) Aids to Navigation

Permanently discontinued

Aids: Warren Point Racon
Cancels NW-A-0141-25
NW-A-0239-25 2025-08-21 10:15 UTC 7621(NAD83), 7832(NAD83) Aids to Navigation

Permanently relocated to 71 57.341N 125 14.388W

Aids: Sachs Harbour Spit Daymark
NW-A-0235-25 2025-08-20 16:07 UTC 7621(NAD83), 7832(NAD83) Aids to Navigation

Unreliable. This also affects ENC CA372007.

Aids: Sachs Harbour front range , Sachs Harbour rear range
Cancels NW-A-0234-25
NW-A-0233-25 2025-08-20 07:45 UTC 7527(WGS84), 7569(WGS84) Waterway information

Shallow depths reported:

74 39.714N 091 18.591W   7.1m
74 39.865N 091 18.314W   8.0m
74 39.961N 091 18.389W   17.1m
74 40.290N 091 18.351W   12.7m

 

Depths are reduced to CHS Chart Datum.
Showing results 21 to 40, from 102 total results.
Showing results 21 to 40, from 102 total results.

Related links

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

Privacy statement

Privacy statement

Privacy statement, no sensible information will be sent.

Thank you for your help!

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

Date Modified: