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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 21 to 40, from 1,585 total results.
Showing results 21 to 40, from 1,585 total results.
Areas affected by the message
Aids to Navigation - Eastern Shore
2026-06-12 16:56 UTC
NW-M-0783-26

Missing

Aids: East Bull green spar buoy PT1
Areas affected by the message
Aids to Navigation - Lake Ontario - Main Duck Island
2026-06-12 16:03 UTC
NW-C-2322-26

Unlit

Aids: Main Duck Island lighted spar buoy M9 LL 425
Areas affected by the message
Aids to Navigation - Lake Ontario - Main Duck Island
2026-06-12 16:02 UTC
NW-C-2321-26

Unlit

Aids: Psyche Shoal lighted spar buoy M10 LL 426
Areas affected by the message
Aids to Navigation - Lake Winnipeg - South Basin - Gimli
2026-06-12 14:46 UTC
NW-C-2319-26

White and orange race markers temporarily established by the Gimli Yacht Club at:

50 41.200N 096 55.700W
50 37.778N 096 52.526W

Areas affected by the message
Routeing Change - Richelieu River and Northern Lake Champlain - Chambly Canal - Gouin bridge
2026-06-12 14:09 UTC To 2026-06-14 17:15 UTC
NW-C-2318-26

Due to a cycling event, the operating schedule for the Gouin bridge is as follows:

June 13 - bridge operating only between 1345 UTC and 1715 UTC.

June 14 - bridge operations suspended between 1330 UTC and 1430 UTC. Expect short delays on bridges 7, 9 and 10 between 1515 UTC and 1615 UTC.

Areas affected by the message
Aids to Navigation - Southwestern Shore
2026-06-12 14:04 UTC
NW-M-0781-26

Missing

Aids: Brazil Rock South Cardinal light buoy J LL 338
Areas affected by the message
Aids to Navigation - Southwestern Shore
2026-06-12 13:45 UTC
NW-M-0780-26

Missing

Aids: Little Hope Island East Cardinal light buoy UEF LL 394.01
Cancels NW-M-0002-26
Areas affected by the message
Scientific Instruments Change - Gulf - Magdalen - south - New London
2026-06-12 06:37 UTC To 2026-10-01 23:55 UTC
NW-M-0779-26

Scientific moorings deployed in New London Bay, Prince Edward Island from 11 Jun 2026 until 01 Oct 2026. The deployment includes scientific moorings for an acoustic monitoring project. Only one buoy is present at the surface, the scientific/Valvoscope buoy and it has the following flash characteristics: 1 flash / 4 seconds. All other moorings have subsurface buoys positioned approximately 2 m above the bottom, with no surface marking. 

Contact: Réjean Tremblay, 1-418-724-1650.

Areas affected by the message
Special Operations - St. Marys River - Sault Ste. Marie
2026-06-12 03:54 UTC
NW-C-2316-26

Hydrographic Survey Operations taking place daily in the vicinity of Sault Ste. Marie between 1100 UTC and 2200 UTC beginning 12 Jun 2026.

Cancels NW-C-2315-26
Areas affected by the message
Aids to Navigation - Ottawa River - Ottawa
2026-06-12 01:47 UTC
NW-C-2314-26

Permanently relocated to 45 22.571N 075 48.820W.

Aids: Deschenes Rapids information buoy 4
Areas affected by the message
Aids to Navigation - Ottawa River - Ottawa
2026-06-12 01:47 UTC
NW-C-2313-26

Permanently relocated to 45 22.489N 075 48.719W.

Aids: Deschenes Rapids information buoy 2
Areas affected by the message
Aids to Navigation - Ottawa River - Ottawa
2026-06-12 01:47 UTC
NW-C-2312-26

Permanently relocated to 45 22.417N 075 48.612W.

Aids: Deschenes Rapids information light buoy 5
Areas affected by the message
Aids to Navigation - Ottawa River - Ottawa
2026-06-12 01:47 UTC
NW-C-2311-26

Permanently relocated to 45 22.336N 075 48.522W.

Aids: Deschenes Rapids information light buoy 3
Areas affected by the message
Aids to Navigation - Ottawa River - Ottawa
2026-06-12 01:46 UTC
NW-C-2310-26

Permanently relocated to 45 22.262N 075 48.428W.

Aids: Deschênes Rapids Information Light buoy 1 LL 1297.1
Areas affected by the message
Aids to Navigation - Lake Winnipeg - South Basin - Gull Harbour
2026-06-11 23:12 UTC
NW-C-2308-26

Focal height and nominal range temporarily reduced.

Aids: Gull Harbour light LL 1583
Areas affected by the message
Offshore Works - Lake Erie - Port Burwell
2026-06-11 21:57 UTC
NW-C-2307-26

Drill barge Miss Libby at 42 24.637N 080 55.025W with four point mooring and anchor balls extending 610 metres from barge and will be flaring natural gas periodically.

Ships are prohibited from approaching within 50 metres of the rig's anchor pattern, unless specifically exempted.

Caution. Stay clear.

Cancels NW-C-2285-26
Areas affected by the message
Newly Discovered Dangers - Trois-Rivières to Donnacona
2026-06-11 21:30 UTC
NW-C-2306-26

Shoal located in area bounded by:

46 39.086N 071 45.791W
46 39.086N 071 45.793W
46 39.088N 071 45.792W
46 39.087N 071 45.790W

Depth: 10.5 metres
In Force Shoals number Q5122/26 refers.

Areas affected by the message
Newly Discovered Dangers - Trois-Rivières to Donnacona
2026-06-11 21:26 UTC
NW-C-2305-26

Shoal located in area bounded by:

46 39.035N 071 45.681W
46 39.068N 071 45.776W
46 39.082N 071 45.766W
46 39.049N 071 45.671W

Depth: 10.2 metres
In Force Shoals number Q5121/26 refers.

Cancels NW-C-1961-26
Areas affected by the message
Newly Discovered Dangers - Trois-Rivières to Donnacona
2026-06-11 19:21 UTC
NW-C-2303-26

Shoal located in area bounded by:

46 38.929N 071 54.533W
46 38.928N 071 54.534W
46 38.929N 071 54.536W
46 38.930N 071 54.535W

Depth: 10.4 metres
In Force Shoals number Q5124/26 refers.

Cancels NW-C-0285-26
Areas affected by the message
Newly Discovered Dangers - Trois-Rivières to Donnacona
2026-06-11 18:18 UTC
NW-C-2302-26

Shoal located in area bounded by:

46 24.759N 072 22.772W
46 24.757N 072 22.775W
46 24.759N 072 22.778W
46 24.761N 072 22.775W

Depth: 11.2 metres
In Force Shoals number Q5120/26 refers.

Cancels NW-C-2249-26
Showing results 21 to 40, from 1,585 total results.
Showing results 21 to 40, from 1,585 total results.
Details
Showing results 21 to 40, from 1,585 total results.
Showing results 21 to 40, from 1,585 total results.
ID Date Title Areas Charts Description
NW-M-0783-26
Areas affected by the message
45° 11.537'N 061° 07.295'W
2026-06-12 16:56 UTC Aids to Navigation Eastern Shore 4233(NAD83)

Missing

Aids: East Bull green spar buoy PT1
NW-C-2322-26
Areas affected by the message
43° 55.020'N 076° 40.517'W
2026-06-12 16:03 UTC Aids to Navigation Lake Ontario - Main Duck Island 2016(NAD83)

Unlit

Aids: Main Duck Island lighted spar buoy M9 LL 425
NW-C-2321-26
Areas affected by the message
43° 55.303'N 076° 43.100'W
2026-06-12 16:02 UTC Aids to Navigation Lake Ontario - Main Duck Island 2016(NAD83)

Unlit

Aids: Psyche Shoal lighted spar buoy M10 LL 426
NW-C-2319-26
Areas affected by the message
50° 41.200'N 096° 55.700'W
50° 37.778'N 096° 52.526'W
2026-06-12 14:46 UTC Aids to Navigation Lake Winnipeg - South Basin - Gimli 6251(NAD27)

White and orange race markers temporarily established by the Gimli Yacht Club at:

50 41.200N 096 55.700W
50 37.778N 096 52.526W
NW-C-2318-26
Areas affected by the message
45° 18.380'N 073° 14.782'W
2026-06-12 14:09 UTC To 2026-06-14 17:15 UTC Routeing Change Richelieu River and Northern Lake Champlain - Chambly Canal - Gouin bridge 1351(NAD83)

Due to a cycling event, the operating schedule for the Gouin bridge is as follows:

June 13 - bridge operating only between 1345 UTC and 1715 UTC.

June 14 - bridge operations suspended between 1330 UTC and 1430 UTC. Expect short delays on bridges 7, 9 and 10 between 1515 UTC and 1615 UTC.
NW-M-0781-26
Areas affected by the message
43° 21.000'N 065° 26.733'W
2026-06-12 14:04 UTC Aids to Navigation Southwestern Shore 4241(NAD83)

Missing

Aids: Brazil Rock South Cardinal light buoy J LL 338
NW-M-0780-26
Areas affected by the message
43° 48.210'N 064° 46.453'W (Advertised Position)
2026-06-12 13:45 UTC Aids to Navigation Southwestern Shore 4240(NAD83)

Missing

Aids: Little Hope Island East Cardinal light buoy UEF LL 394.01
Cancels NW-M-0002-26
NW-M-0779-26
Areas affected by the message
46° 29.760'N 063° 28.320'W (Acoustic receiver R00)
46° 29.667'N 063° 28.397'W (Acoustic receiver R01)
46° 29.667'N 063° 28.320'W (Acoustic receiver R02)
46° 29.667'N 063° 28.242'W (Acoustic receiver R03)
46° 29.713'N 063° 28.437'W (Acoustic receiver R04)
46° 49.713'N 063° 28.280'W (Acoustic receiver R05)
46° 29.713'N 063° 28.280'W (Acoustic receiver R06)
46° 29.713'N 063° 28.202'W (Acoustic receiver R07)
46° 29.760'N 063° 28.477'W (Acoustic receiver R08)
46° 29.760'N 063° 28.398'W (Acoustic receiver R09)
46° 29.760'N 063° 28.242'W (Acoustic receiver R11)
46° 29.460'N 063° 28.163'W (Acoustic receiver R12)
46° 29.807'N 063° 28.438'W (Acoustic receiver R13)
46° 29.807'N 063° 28.360'W (Acoustic receiver R14)
46° 29.807'N 063° 28.282'W (Acoustic receiver R15)
46° 29.807'N 063° 28.203'W (Acoustic receiver R16)
46° 29.853'N 063° 28.398'W (Acoustic receiver R17)
46° 29.853'N 063° 28.322'W (Acoustic receiver R18)
46° 29.853'N 063° 28.243'W (Acoustic receiver R19)
46° 29.858'N 063° 28.322'W (Tag Acoustic Reference 1)
46° 29.662'N 063° 28.320'W (Tag Acoustic Reference 2)
46° 29.750'N 063° 28.305'W (Hydrophone 1)
46° 29.830'N 063° 28.223'W (Hydrophone 2)
46° 29.753'N 063° 28.267'W (Scientific Buoy/Valvoscope (at surface))
2026-06-12 06:37 UTC To 2026-10-01 23:55 UTC Scientific Instruments Change Gulf - Magdalen - south - New London 4467(NAD83)

Scientific moorings deployed in New London Bay, Prince Edward Island from 11 Jun 2026 until 01 Oct 2026. The deployment includes scientific moorings for an acoustic monitoring project. Only one buoy is present at the surface, the scientific/Valvoscope buoy and it has the following flash characteristics: 1 flash / 4 seconds. All other moorings have subsurface buoys positioned approximately 2 m above the bottom, with no surface marking. 

Contact: Réjean Tremblay, 1-418-724-1650.
NW-C-2316-26
Areas affected by the message
46° 30.602'N 084° 20.568'W
46° 28.353'N 084° 24.990'W
Pt 1: 46° 37.551'N 084° 35.772'W
Pt 2: 46° 32.980'N 084° 45.528'W
Pt 3: 46° 24.649'N 084° 35.708'W
Pt 4: 46° 16.685'N 084° 12.547'W
Pt 5: 46° 21.235'N 084° 09.852'W
Pt 6: 46° 33.486'N 084° 11.334'W
2026-06-12 03:54 UTC Special Operations St. Marys River - Sault Ste. Marie 14884(NAD83)

Hydrographic Survey Operations taking place daily in the vicinity of Sault Ste. Marie between 1100 UTC and 2200 UTC beginning 12 Jun 2026.

Cancels NW-C-2315-26
NW-C-2314-26
Areas affected by the message
45° 22.571'N 075° 48.820'W
2026-06-12 01:47 UTC Aids to Navigation Ottawa River - Ottawa 1550(NAD83)

Permanently relocated to 45 22.571N 075 48.820W.

Aids: Deschenes Rapids information buoy 4
NW-C-2313-26
Areas affected by the message
45° 22.489'N 075° 48.719'W
2026-06-12 01:47 UTC Aids to Navigation Ottawa River - Ottawa 1550(NAD83)

Permanently relocated to 45 22.489N 075 48.719W.

Aids: Deschenes Rapids information buoy 2
NW-C-2312-26
Areas affected by the message
45° 22.417'N 075° 48.612'W
2026-06-12 01:47 UTC Aids to Navigation Ottawa River - Ottawa 1550(NAD83)

Permanently relocated to 45 22.417N 075 48.612W.

Aids: Deschenes Rapids information light buoy 5
NW-C-2311-26
Areas affected by the message
45° 22.336'N 075° 48.522'W
2026-06-12 01:47 UTC Aids to Navigation Ottawa River - Ottawa 1550(NAD83)

Permanently relocated to 45 22.336N 075 48.522W.

Aids: Deschenes Rapids information light buoy 3
NW-C-2310-26
Areas affected by the message
45° 22.262'N 075° 48.428'W
2026-06-12 01:46 UTC Aids to Navigation Ottawa River - Ottawa 1550(NAD83)

Permanently relocated to 45 22.262N 075 48.428W.

Aids: Deschênes Rapids Information Light buoy 1 LL 1297.1
NW-C-2308-26
Areas affected by the message
51° 11.600'N 096° 36.300'W
2026-06-11 23:12 UTC Aids to Navigation Lake Winnipeg - South Basin - Gull Harbour 6248(NAD83), 6249

Focal height and nominal range temporarily reduced.

Aids: Gull Harbour light LL 1583
NW-C-2307-26
Areas affected by the message
42° 24.637'N 080° 55.025'W
2026-06-11 21:57 UTC Offshore Works Lake Erie - Port Burwell 2121(NAD27)

Drill barge Miss Libby at 42 24.637N 080 55.025W with four point mooring and anchor balls extending 610 metres from barge and will be flaring natural gas periodically.

Ships are prohibited from approaching within 50 metres of the rig's anchor pattern, unless specifically exempted.

Caution. Stay clear.

Cancels NW-C-2285-26
NW-C-2306-26
Areas affected by the message
46° 39.087'N 071° 45.791'W
Pt 1: 46° 39.086'N 071° 45.791'W
Pt 2: 46° 39.086'N 071° 45.793'W
Pt 3: 46° 39.088'N 071° 45.792'W
Pt 4: 46° 39.087'N 071° 45.790'W
2026-06-11 21:30 UTC Newly Discovered Dangers Trois-Rivières to Donnacona 1314(NAD83)

Shoal located in area bounded by:

46 39.086N 071 45.791W
46 39.086N 071 45.793W
46 39.088N 071 45.792W
46 39.087N 071 45.790W

Depth: 10.5 metres
In Force Shoals number Q5122/26 refers.
NW-C-2305-26
Areas affected by the message
46° 39.059'N 071° 45.724'W
Pt 1: 46° 39.035'N 071° 45.681'W
Pt 2: 46° 39.068'N 071° 45.776'W
Pt 3: 46° 39.082'N 071° 45.766'W
Pt 4: 46° 39.049'N 071° 45.671'W
2026-06-11 21:26 UTC Newly Discovered Dangers Trois-Rivières to Donnacona 1314(NAD83)

Shoal located in area bounded by:

46 39.035N 071 45.681W
46 39.068N 071 45.776W
46 39.082N 071 45.766W
46 39.049N 071 45.671W

Depth: 10.2 metres
In Force Shoals number Q5121/26 refers.

Cancels NW-C-1961-26
NW-C-2303-26
Areas affected by the message
46° 38.929'N 071° 54.535'W
Pt 1: 46° 38.929'N 071° 54.533'W
Pt 2: 46° 38.928'N 071° 54.534'W
Pt 3: 46° 38.929'N 071° 54.536'W
Pt 4: 46° 38.930'N 071° 54.535'W
2026-06-11 19:21 UTC Newly Discovered Dangers Trois-Rivières to Donnacona 1314(NAD83)

Shoal located in area bounded by:

46 38.929N 071 54.533W
46 38.928N 071 54.534W
46 38.929N 071 54.536W
46 38.930N 071 54.535W

Depth: 10.4 metres
In Force Shoals number Q5124/26 refers.

Cancels NW-C-0285-26
NW-C-2302-26
Areas affected by the message
46° 24.759'N 072° 22.775'W
Pt 1: 46° 24.759'N 072° 22.772'W
Pt 2: 46° 24.757'N 072° 22.775'W
Pt 3: 46° 24.759'N 072° 22.778'W
Pt 4: 46° 24.761'N 072° 22.775'W
2026-06-11 18:18 UTC Newly Discovered Dangers Trois-Rivières to Donnacona 1313(NAD83)

Shoal located in area bounded by:

46 24.759N 072 22.772W
46 24.757N 072 22.775W
46 24.759N 072 22.778W
46 24.761N 072 22.775W

Depth: 11.2 metres
In Force Shoals number Q5120/26 refers.

Cancels NW-C-2249-26
Showing results 21 to 40, from 1,585 total results.
Showing results 21 to 40, from 1,585 total results.
Table
Showing results 21 to 40, from 1,585 total results.
Showing results 21 to 40, from 1,585 total results.
ID Date Title Areas Charts Description
NW-M-0783-26 2026-06-12 16:56 UTC Aids to Navigation Eastern Shore 4233(NAD83)

Missing

Aids: East Bull green spar buoy PT1
NW-C-2322-26 2026-06-12 16:03 UTC Aids to Navigation Lake Ontario - Main Duck Island 2016(NAD83)

Unlit

Aids: Main Duck Island lighted spar buoy M9 LL 425
NW-C-2321-26 2026-06-12 16:02 UTC Aids to Navigation Lake Ontario - Main Duck Island 2016(NAD83)

Unlit

Aids: Psyche Shoal lighted spar buoy M10 LL 426
NW-C-2319-26 2026-06-12 14:46 UTC Aids to Navigation Lake Winnipeg - South Basin - Gimli 6251(NAD27)

White and orange race markers temporarily established by the Gimli Yacht Club at:

50 41.200N 096 55.700W
50 37.778N 096 52.526W
NW-C-2318-26 2026-06-12 14:09 UTC To 2026-06-14 17:15 UTC Routeing Change Richelieu River and Northern Lake Champlain - Chambly Canal - Gouin bridge 1351(NAD83)

Due to a cycling event, the operating schedule for the Gouin bridge is as follows:

June 13 - bridge operating only between 1345 UTC and 1715 UTC.

June 14 - bridge operations suspended between 1330 UTC and 1430 UTC. Expect short delays on bridges 7, 9 and 10 between 1515 UTC and 1615 UTC.
NW-M-0781-26 2026-06-12 14:04 UTC Aids to Navigation Southwestern Shore 4241(NAD83)

Missing

Aids: Brazil Rock South Cardinal light buoy J LL 338
NW-M-0780-26 2026-06-12 13:45 UTC Aids to Navigation Southwestern Shore 4240(NAD83)

Missing

Aids: Little Hope Island East Cardinal light buoy UEF LL 394.01
Cancels NW-M-0002-26
NW-M-0779-26 2026-06-12 06:37 UTC To 2026-10-01 23:55 UTC Scientific Instruments Change Gulf - Magdalen - south - New London 4467(NAD83)

Scientific moorings deployed in New London Bay, Prince Edward Island from 11 Jun 2026 until 01 Oct 2026. The deployment includes scientific moorings for an acoustic monitoring project. Only one buoy is present at the surface, the scientific/Valvoscope buoy and it has the following flash characteristics: 1 flash / 4 seconds. All other moorings have subsurface buoys positioned approximately 2 m above the bottom, with no surface marking. 

Contact: Réjean Tremblay, 1-418-724-1650.
NW-C-2316-26 2026-06-12 03:54 UTC Special Operations St. Marys River - Sault Ste. Marie 14884(NAD83)

Hydrographic Survey Operations taking place daily in the vicinity of Sault Ste. Marie between 1100 UTC and 2200 UTC beginning 12 Jun 2026.

Cancels NW-C-2315-26
NW-C-2314-26 2026-06-12 01:47 UTC Aids to Navigation Ottawa River - Ottawa 1550(NAD83)

Permanently relocated to 45 22.571N 075 48.820W.

Aids: Deschenes Rapids information buoy 4
NW-C-2313-26 2026-06-12 01:47 UTC Aids to Navigation Ottawa River - Ottawa 1550(NAD83)

Permanently relocated to 45 22.489N 075 48.719W.

Aids: Deschenes Rapids information buoy 2
NW-C-2312-26 2026-06-12 01:47 UTC Aids to Navigation Ottawa River - Ottawa 1550(NAD83)

Permanently relocated to 45 22.417N 075 48.612W.

Aids: Deschenes Rapids information light buoy 5
NW-C-2311-26 2026-06-12 01:47 UTC Aids to Navigation Ottawa River - Ottawa 1550(NAD83)

Permanently relocated to 45 22.336N 075 48.522W.

Aids: Deschenes Rapids information light buoy 3
NW-C-2310-26 2026-06-12 01:46 UTC Aids to Navigation Ottawa River - Ottawa 1550(NAD83)

Permanently relocated to 45 22.262N 075 48.428W.

Aids: Deschênes Rapids Information Light buoy 1 LL 1297.1
NW-C-2308-26 2026-06-11 23:12 UTC Aids to Navigation Lake Winnipeg - South Basin - Gull Harbour 6248(NAD83), 6249

Focal height and nominal range temporarily reduced.

Aids: Gull Harbour light LL 1583
NW-C-2307-26 2026-06-11 21:57 UTC Offshore Works Lake Erie - Port Burwell 2121(NAD27)

Drill barge Miss Libby at 42 24.637N 080 55.025W with four point mooring and anchor balls extending 610 metres from barge and will be flaring natural gas periodically.

Ships are prohibited from approaching within 50 metres of the rig's anchor pattern, unless specifically exempted.

Caution. Stay clear.

Cancels NW-C-2285-26
NW-C-2306-26 2026-06-11 21:30 UTC Newly Discovered Dangers Trois-Rivières to Donnacona 1314(NAD83)

Shoal located in area bounded by:

46 39.086N 071 45.791W
46 39.086N 071 45.793W
46 39.088N 071 45.792W
46 39.087N 071 45.790W

Depth: 10.5 metres
In Force Shoals number Q5122/26 refers.
NW-C-2305-26 2026-06-11 21:26 UTC Newly Discovered Dangers Trois-Rivières to Donnacona 1314(NAD83)

Shoal located in area bounded by:

46 39.035N 071 45.681W
46 39.068N 071 45.776W
46 39.082N 071 45.766W
46 39.049N 071 45.671W

Depth: 10.2 metres
In Force Shoals number Q5121/26 refers.

Cancels NW-C-1961-26
NW-C-2303-26 2026-06-11 19:21 UTC Newly Discovered Dangers Trois-Rivières to Donnacona 1314(NAD83)

Shoal located in area bounded by:

46 38.929N 071 54.533W
46 38.928N 071 54.534W
46 38.929N 071 54.536W
46 38.930N 071 54.535W

Depth: 10.4 metres
In Force Shoals number Q5124/26 refers.

Cancels NW-C-0285-26
NW-C-2302-26 2026-06-11 18:18 UTC Newly Discovered Dangers Trois-Rivières to Donnacona 1313(NAD83)

Shoal located in area bounded by:

46 24.759N 072 22.772W
46 24.757N 072 22.775W
46 24.759N 072 22.778W
46 24.761N 072 22.775W

Depth: 11.2 metres
In Force Shoals number Q5120/26 refers.

Cancels NW-C-2249-26
Showing results 21 to 40, from 1,585 total results.
Showing results 21 to 40, from 1,585 total results.
Compact
Showing results 21 to 40, from 1,585 total results.
Showing results 21 to 40, from 1,585 total results.
ID Date Charts Title
NW-M-0783-26 2026-06-12 16:56 UTC 4233(NAD83) Aids to Navigation

Missing

Aids: East Bull green spar buoy PT1
NW-C-2322-26 2026-06-12 16:03 UTC 2016(NAD83) Aids to Navigation

Unlit

Aids: Main Duck Island lighted spar buoy M9 LL 425
NW-C-2321-26 2026-06-12 16:02 UTC 2016(NAD83) Aids to Navigation

Unlit

Aids: Psyche Shoal lighted spar buoy M10 LL 426
NW-C-2319-26 2026-06-12 14:46 UTC 6251(NAD27) Aids to Navigation

White and orange race markers temporarily established by the Gimli Yacht Club at:

50 41.200N 096 55.700W
50 37.778N 096 52.526W
NW-C-2318-26 2026-06-12 14:09 UTC To 2026-06-14 17:15 UTC 1351(NAD83) Routeing Change

Due to a cycling event, the operating schedule for the Gouin bridge is as follows:

June 13 - bridge operating only between 1345 UTC and 1715 UTC.

June 14 - bridge operations suspended between 1330 UTC and 1430 UTC. Expect short delays on bridges 7, 9 and 10 between 1515 UTC and 1615 UTC.
NW-M-0781-26 2026-06-12 14:04 UTC 4241(NAD83) Aids to Navigation

Missing

Aids: Brazil Rock South Cardinal light buoy J LL 338
NW-M-0780-26 2026-06-12 13:45 UTC 4240(NAD83) Aids to Navigation

Missing

Aids: Little Hope Island East Cardinal light buoy UEF LL 394.01
Cancels NW-M-0002-26
NW-M-0779-26 2026-06-12 06:37 UTC To 2026-10-01 23:55 UTC 4467(NAD83) Scientific Instruments Change

Scientific moorings deployed in New London Bay, Prince Edward Island from 11 Jun 2026 until 01 Oct 2026. The deployment includes scientific moorings for an acoustic monitoring project. Only one buoy is present at the surface, the scientific/Valvoscope buoy and it has the following flash characteristics: 1 flash / 4 seconds. All other moorings have subsurface buoys positioned approximately 2 m above the bottom, with no surface marking. 

Contact: Réjean Tremblay, 1-418-724-1650.
NW-C-2316-26 2026-06-12 03:54 UTC 14884(NAD83) Special Operations

Hydrographic Survey Operations taking place daily in the vicinity of Sault Ste. Marie between 1100 UTC and 2200 UTC beginning 12 Jun 2026.

Cancels NW-C-2315-26
NW-C-2314-26 2026-06-12 01:47 UTC 1550(NAD83) Aids to Navigation

Permanently relocated to 45 22.571N 075 48.820W.

Aids: Deschenes Rapids information buoy 4
NW-C-2313-26 2026-06-12 01:47 UTC 1550(NAD83) Aids to Navigation

Permanently relocated to 45 22.489N 075 48.719W.

Aids: Deschenes Rapids information buoy 2
NW-C-2312-26 2026-06-12 01:47 UTC 1550(NAD83) Aids to Navigation

Permanently relocated to 45 22.417N 075 48.612W.

Aids: Deschenes Rapids information light buoy 5
NW-C-2311-26 2026-06-12 01:47 UTC 1550(NAD83) Aids to Navigation

Permanently relocated to 45 22.336N 075 48.522W.

Aids: Deschenes Rapids information light buoy 3
NW-C-2310-26 2026-06-12 01:46 UTC 1550(NAD83) Aids to Navigation

Permanently relocated to 45 22.262N 075 48.428W.

Aids: Deschênes Rapids Information Light buoy 1 LL 1297.1
NW-C-2308-26 2026-06-11 23:12 UTC 6248(NAD83), 6249 Aids to Navigation

Focal height and nominal range temporarily reduced.

Aids: Gull Harbour light LL 1583
NW-C-2307-26 2026-06-11 21:57 UTC 2121(NAD27) Offshore Works

Drill barge Miss Libby at 42 24.637N 080 55.025W with four point mooring and anchor balls extending 610 metres from barge and will be flaring natural gas periodically.

Ships are prohibited from approaching within 50 metres of the rig's anchor pattern, unless specifically exempted.

Caution. Stay clear.

Cancels NW-C-2285-26
NW-C-2306-26 2026-06-11 21:30 UTC 1314(NAD83) Newly Discovered Dangers

Shoal located in area bounded by:

46 39.086N 071 45.791W
46 39.086N 071 45.793W
46 39.088N 071 45.792W
46 39.087N 071 45.790W

Depth: 10.5 metres
In Force Shoals number Q5122/26 refers.
NW-C-2305-26 2026-06-11 21:26 UTC 1314(NAD83) Newly Discovered Dangers

Shoal located in area bounded by:

46 39.035N 071 45.681W
46 39.068N 071 45.776W
46 39.082N 071 45.766W
46 39.049N 071 45.671W

Depth: 10.2 metres
In Force Shoals number Q5121/26 refers.

Cancels NW-C-1961-26
NW-C-2303-26 2026-06-11 19:21 UTC 1314(NAD83) Newly Discovered Dangers

Shoal located in area bounded by:

46 38.929N 071 54.533W
46 38.928N 071 54.534W
46 38.929N 071 54.536W
46 38.930N 071 54.535W

Depth: 10.4 metres
In Force Shoals number Q5124/26 refers.

Cancels NW-C-0285-26
NW-C-2302-26 2026-06-11 18:18 UTC 1313(NAD83) Newly Discovered Dangers

Shoal located in area bounded by:

46 24.759N 072 22.772W
46 24.757N 072 22.775W
46 24.759N 072 22.778W
46 24.761N 072 22.775W

Depth: 11.2 metres
In Force Shoals number Q5120/26 refers.

Cancels NW-C-2249-26
Showing results 21 to 40, from 1,585 total results.
Showing results 21 to 40, from 1,585 total results.

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