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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 1 to 20, from 1,616 total results.
Showing results 1 to 20, from 1,616 total results.
Areas affected by the message
Drifting Hazard - Lake Erie - Point Pelee
2026-08-16 13:58 UTC To 2026-08-17 13:58 UTC
NW-C-3582-26

Aluminum row boat 3.7 metres in length reported adrift in the vicinity of 41 59.7N 082 33.6W at 161343 UTC Aug 2026.

Areas affected by the message
Scientific Instruments Change - Northern Grand Banks
2026-08-16 11:53 UTC
NW-N-0624-26

Wave Glider C34167NS conducting unmanned scientific vehicle operations and is transiting from 48 08.574N 048 37.818W to 48 30.840N 049 47.280W for retrieval of acoustic data.

The wave glider is copper in colour, measuring 3.05 meters by 0.81 meters, with a mast extending 1.5 meters above the surface of the water supporting a solid white light and orange visibility flag. It is remotely operated, equipped with a non-transmitting AIS receiver, and moving at a speed of approximately 1.3 knots. 

For further information, authorities and mariners may contact Sue L’Orsa at 250-877-8052, Tyler Byrne at 902-719-7078, or Liquid Robotics Wave Glider Operations Centre at +1 888-574-4574 or 408-636-4205.

Caution. 

Cancels NW-N-0623-26
Areas affected by the message
Marine Works - Lake Erie - Wheatley
2026-08-16 11:15 UTC
NW-C-3581-26

Dredging operations taking place daily at Wheatley Harbour from 1100 UTC until 2300 UTC beginning 17 Aug 2026. An excavator will be working from shore.

Areas affected by the message
Drifting Hazard - Cornwall to Montréal - west - Saint-Anicet
2026-08-16 11:13 UTC To 2026-08-17 11:13 UTC
NW-C-3580-26

Dock reported adrift in the vicinity of 45 09.0N 074 22.0W at 161103 UTC Aug 2026. Dock is 6 metres in length with barrel underneath.

Areas affected by the message
Marine Works - Anticosti - Baie de Gaspé
2026-08-16 10:14 UTC
NW-C-3579-26

Riprap operations taking place Monday to Friday from 1000 UTC to 2145 UTC between 48 50.992N 064 30.503W and 48 50.923N 064 30.402W.

Minimum wake requested and stay clear 100 metres.

Areas affected by the message
Routeing Change - Georgian Bay - Owen Sound
2026-08-16 09:48 UTC To 2026-08-16 21:00 UTC
NW-C-3578-26

Owen Sound Triathlon swim competition taking place at Bayshore Park at 161300 UTC Aug 2026 and 161700 UTC Aug 2026 with 250 participants. Safety boats on site.

Areas affected by the message
Routeing Change - Donnacona to Beauport, Port of Quebec, Trois-Rivières to Donnacona - Portneuf to Quebec
2026-08-16 07:41 UTC To 2026-08-16 22:00 UTC
NW-C-3577-26

Kayak event of approximately 200 kayaks taking place from 161130 UTC Aug 2026 to 162100 UTC Aug 2026. The race course starts at Portneuf Wharf and proceeds to Bassin Louise, Québec. Kayaks will be crossing shipping lanes. Eleven safety boats on scene monitoring VHF channel 10. 

Areas affected by the message
Aids to Navigation - Montréal to Trois-Rivières - Sainte-Anne-de-Sorel
2026-08-16 07:25 UTC
NW-C-3576-26

Unreliable, reduced intensity.

Aids: Îlets Percés light buoy S114 LL 2165
Areas affected by the message
Aids to Navigation - Montréal to Trois-Rivières - Sainte-Anne-de-Sorel
2026-08-16 07:25 UTC
NW-C-3575-26

Unreliable, reduced intensity.

Aids: Île Lapierre light buoy S116 LL 2167.1
Areas affected by the message
Drifting Hazard - Howe Sound
2026-08-16 04:12 UTC To 2026-08-17 04:12 UTC
NW-P-1144-26

Log boom reported adrift in the vicinity of 49 29.159N 123 27.628W at 160355 UTC Aug 2026. 30 to 40 sections of logs have broken free off Andys Bay from Mariner Rest to Woolridge Island. 

Caution.

Areas affected by the message
Aids to Navigation - Shipping Safety Control Zone 11
2026-08-15 23:53 UTC
NW-A-0221-26

Beacon Permanently Removed

Aids: Outpost Island day beacon
Areas affected by the message
Drifting Hazard - Montréal to Trois-Rivières - Repentigny
2026-08-15 23:47 UTC To 2026-08-16 23:47 UTC
NW-C-3574-26

White vessel with white canvas reported adrift in the vicinity of 45 47.02N 073 23.50W at 152344 UTC Aug 2026. 

Areas affected by the message
Aids to Navigation - Shipping Safety Control Zone 11
2026-08-15 20:59 UTC
NW-A-0220-26

Beacon Permanently Removed

Aids: Sisters Island day beacon
Areas affected by the message
Waterway Information - Channel Change - Fort Good Hope mile 684 to Point Separation mile 913
2026-08-15 16:39 UTC
NW-A-0218-26

Due to shoreline erosion, the charted shoreline on Chart 6424 no longer accurately represents current conditions.
The shoreline should be amended by connecting the following coordinates:
67 11.857N 130 17.042W
67 11.531N 130 16.752W
67 10.941N 130 16.408W

Areas affected by the message
Opening of temporary bridge - Kingston to Cornwall - Cataraqui River
2026-08-15 16:03 UTC To 2026-08-17 00:00 UTC
NW-C-3569-26

The LaSalle Causeway bridge at 44 14.079N 076 28.462W is open to navigation from 161300 UTC Aug 2026 to 162300 UTC Aug 2026. 

Areas affected by the message
Waterway Information - Channel Change - Fort Good Hope mile 684 to Point Separation mile 913
2026-08-15 15:47 UTC
NW-A-0217-26

Red buoy mile 776.9 in 67 10.635N 130 14.945W, permanently discontinued.
Red buoy mile 777.0 in 67 11.047N 130 14.998W, permanently discontinued.
Red buoy mile 778.4 in 67 12.021N 130 15.681W, permanently discontinued.
Red buoy mile 778.7 in 67 11.568N 130 15.391W, permanently discontinued.
Red buoy mile 779.1 in 67 12.546N 130 16.174W, permanently discontinued.
Red buoy established mile 776.7 in 67 10.536N 130 14.980W.
Red buoy established mile 777.2 in 67 10.727N 130 15.728W.
Green buoy established mile 777.4 in 67 10.895N 130 16.002W.
Green buoy established mile 778.1 in 67 11.483N 130 16.343W.
Green buoy established mile 778.7 in 67 12.037N 130 16.622W.
Red buoy established mile 779.5 in 67 12.659N 130 16.352W.

Areas affected by the message
Aids to Navigation - Lake Ontario - Toronto
2026-08-15 15:07 UTC
NW-C-3568-26

Unlit

Aids: O.H. Marina southerly entrance light buoy M3 LL 509.433
Areas affected by the message
Aids to Navigation - Southwestern Shore
2026-08-15 10:58 UTC
NW-M-1153-26

Off position

Aids: Outer Farm Ledge light buoy KE52 LL 382.01
Cancels NW-M-0829-26
Areas affected by the message
Routeing Change - Lake Ontario - West End
2026-08-15 10:14 UTC To 2026-08-17 05:00 UTC
NW-C-3565-26

Sailing regatta of between 30 and 40 vessels taking place from 151350 UTC Aug 2026 until 170400 UTC Aug 2026. Course starting from Port Credit Yacht Club to Ajax, to Grimsby, to Van Wagners Beach and ending in Port Credit. Course crosses shipping lanes. Race committee monitoring VHF channel 71.

Areas affected by the message
Aids to Navigation - Queen Charlotte Sound
2026-08-15 09:48 UTC
NW-P-1140-26

South Moresby ODAS Light Buoy 46147 LL 769.5 has been permanently re-established on position 51 47.372N 131 15.340W

Aids: South Moresby ODAS light buoy LL 769.5
Showing results 1 to 20, from 1,616 total results.
Showing results 1 to 20, from 1,616 total results.
Details
Showing results 1 to 20, from 1,616 total results.
Showing results 1 to 20, from 1,616 total results.
ID Date Title Areas Charts Description
NW-C-3582-26
Areas affected by the message
41° 59.700'N 082° 33.600'W
2026-08-16 13:58 UTC To 2026-08-17 13:58 UTC Drifting Hazard Lake Erie - Point Pelee 14830(NAD83), 2123(NAD83)

Aluminum row boat 3.7 metres in length reported adrift in the vicinity of 41 59.7N 082 33.6W at 161343 UTC Aug 2026.
NW-N-0624-26
Areas affected by the message
48° 02.256'N 048° 47.118'W
Pt 1: 48° 04.954'N 048° 47.118'W
Pt 2: 48° 04.749'N 048° 45.573'W
Pt 3: 48° 04.163'N 048° 44.263'W
Pt 4: 48° 03.288'N 048° 43.389'W
Pt 5: 48° 02.255'N 048° 43.083'W
Pt 6: 48° 01.222'N 048° 43.391'W
Pt 7: 48° 00.348'N 048° 44.266'W
Pt 8: 47° 59.763'N 048° 45.575'W
Pt 9: 47° 59.558'N 048° 47.118'W
Pt 10: 47° 59.763'N 048° 48.661'W
Pt 11: 48° 00.348'N 048° 49.970'W
Pt 12: 48° 01.222'N 048° 50.845'W
Pt 13: 48° 02.255'N 048° 51.153'W
Pt 14: 48° 03.288'N 048° 50.847'W
Pt 15: 48° 04.163'N 048° 49.973'W
Pt 16: 48° 04.749'N 048° 48.663'W
2026-08-16 11:53 UTC Scientific Instruments Change Northern Grand Banks 8012(NAD83), 8014(NAD83)

Wave Glider C34167NS conducting unmanned scientific vehicle operations and is transiting from 48 08.574N 048 37.818W to 48 30.840N 049 47.280W for retrieval of acoustic data.

The wave glider is copper in colour, measuring 3.05 meters by 0.81 meters, with a mast extending 1.5 meters above the surface of the water supporting a solid white light and orange visibility flag. It is remotely operated, equipped with a non-transmitting AIS receiver, and moving at a speed of approximately 1.3 knots. 

For further information, authorities and mariners may contact Sue L’Orsa at 250-877-8052, Tyler Byrne at 902-719-7078, or Liquid Robotics Wave Glider Operations Centre at +1 888-574-4574 or 408-636-4205.

Caution. 

Cancels NW-N-0623-26
NW-C-3581-26
Areas affected by the message
42° 03.689'N 082° 27.809'W
2026-08-16 11:15 UTC Marine Works Lake Erie - Wheatley 2181(NAD83)

Dredging operations taking place daily at Wheatley Harbour from 1100 UTC until 2300 UTC beginning 17 Aug 2026. An excavator will be working from shore.
NW-C-3580-26
Areas affected by the message
45° 09.000'N 074° 22.000'W
2026-08-16 11:13 UTC To 2026-08-17 11:13 UTC Drifting Hazard Cornwall to Montréal - west - Saint-Anicet 1432(WGS84)

Dock reported adrift in the vicinity of 45 09.0N 074 22.0W at 161103 UTC Aug 2026. Dock is 6 metres in length with barrel underneath.
NW-C-3579-26
Areas affected by the message
48° 50.992'N 064° 30.503'W
48° 50.923'N 064° 30.402'W
48° 50.968'N 064° 30.416'W
Pt 1: 48° 50.992'N 064° 30.503'W
Pt 2: 48° 50.923'N 064° 30.402'W
Pt 3: 48° 50.950'N 064° 30.330'W
Pt 4: 48° 51.011'N 064° 30.427'W
2026-08-16 10:14 UTC Marine Works Anticosti - Baie de Gaspé 4416(NAD83)

Riprap operations taking place Monday to Friday from 1000 UTC to 2145 UTC between 48 50.992N 064 30.503W and 48 50.923N 064 30.402W.

Minimum wake requested and stay clear 100 metres.
NW-C-3578-26
Areas affected by the message
44° 34.986'N 080° 56.154'W
Pt 1: 44° 35.070'N 080° 56.208'W
Pt 2: 44° 34.974'N 080° 56.030'W
Pt 3: 44° 34.903'N 080° 56.094'W
Pt 4: 44° 34.998'N 080° 56.280'W
2026-08-16 09:48 UTC To 2026-08-16 21:00 UTC Routeing Change Georgian Bay - Owen Sound 2282(NAD83), 2283(WGS84)

Owen Sound Triathlon swim competition taking place at Bayshore Park at 161300 UTC Aug 2026 and 161700 UTC Aug 2026 with 250 participants. Safety boats on site.
NW-C-3577-26
Areas affected by the message
46° 40.860'N 071° 52.626'W
46° 41.756'N 071° 35.089'W
46° 49.139'N 071° 11.940'W
Polyline
Pt 1: 46° 40.769'N 071° 53.020'W
Pt 2: 46° 40.720'N 071° 50.991'W
Pt 3: 46° 39.034'N 071° 43.869'W
Pt 4: 46° 40.134'N 071° 37.852'W
Pt 5: 46° 41.756'N 071° 35.089'W
Pt 6: 46° 43.504'N 071° 25.318'W
Pt 7: 46° 43.699'N 071° 22.149'W
Pt 8: 46° 44.873'N 071° 17.012'W
Pt 9: 46° 46.517'N 071° 13.860'W
Pt 10: 46° 48.468'N 071° 11.945'W
Pt 11: 46° 49.139'N 071° 11.940'W
2026-08-16 07:41 UTC To 2026-08-16 22:00 UTC Routeing Change Donnacona to Beauport, Port of Quebec, Trois-Rivières to Donnacona - Portneuf to Quebec 1314(NAD83), 1315(NAD83), 1316(NAD83), 1316(NAD83)

Kayak event of approximately 200 kayaks taking place from 161130 UTC Aug 2026 to 162100 UTC Aug 2026. The race course starts at Portneuf Wharf and proceeds to Bassin Louise, Québec. Kayaks will be crossing shipping lanes. Eleven safety boats on scene monitoring VHF channel 10. 
NW-C-3576-26
Areas affected by the message
46° 06.804'N 072° 58.049'W
2026-08-16 07:25 UTC Aids to Navigation Montréal to Trois-Rivières - Sainte-Anne-de-Sorel 1312(NAD83)

Unreliable, reduced intensity.

Aids: Îlets Percés light buoy S114 LL 2165
NW-C-3575-26
Areas affected by the message
46° 06.311'N 072° 58.611'W
2026-08-16 07:25 UTC Aids to Navigation Montréal to Trois-Rivières - Sainte-Anne-de-Sorel 1312(NAD83)

Unreliable, reduced intensity.

Aids: Île Lapierre light buoy S116 LL 2167.1
NW-P-1144-26
Areas affected by the message
49° 29.159'N 123° 27.628'W
2026-08-16 04:12 UTC To 2026-08-17 04:12 UTC Drifting Hazard Howe Sound 3526(NAD83)

Log boom reported adrift in the vicinity of 49 29.159N 123 27.628W at 160355 UTC Aug 2026. 30 to 40 sections of logs have broken free off Andys Bay from Mariner Rest to Woolridge Island. 

Caution.
NW-A-0221-26
Areas affected by the message
68° 22.347'N 110° 52.330'W
2026-08-15 23:53 UTC Aids to Navigation Shipping Safety Control Zone 11 7778(NAD83)

Beacon Permanently Removed

Aids: Outpost Island day beacon
NW-C-3574-26
Areas affected by the message
45° 47.025'N 073° 23.500'W
2026-08-15 23:47 UTC To 2026-08-16 23:47 UTC Drifting Hazard Montréal to Trois-Rivières - Repentigny 1311(NAD83)

White vessel with white canvas reported adrift in the vicinity of 45 47.02N 073 23.50W at 152344 UTC Aug 2026. 
NW-A-0220-26
Areas affected by the message
68° 24.215'N 111° 35.303'W
2026-08-15 20:59 UTC Aids to Navigation Shipping Safety Control Zone 11 7778(NAD83)

Beacon Permanently Removed

Aids: Sisters Island day beacon
NW-A-0218-26
Areas affected by the message
Polyline
Pt 1: 67° 11.857'N 130° 17.042'W
Pt 2: 67° 11.531'N 130° 16.752'W
Pt 3: 67° 10.941'N 130° 16.408'W
2026-08-15 16:39 UTC Waterway Information - Channel Change Fort Good Hope mile 684 to Point Separation mile 913 6424(WGS84)

Due to shoreline erosion, the charted shoreline on Chart 6424 no longer accurately represents current conditions.
The shoreline should be amended by connecting the following coordinates:
67 11.857N 130 17.042W
67 11.531N 130 16.752W
67 10.941N 130 16.408W
NW-C-3569-26
Areas affected by the message
44° 14.079'N 076° 28.462'W
2026-08-15 16:03 UTC To 2026-08-17 00:00 UTC Opening of temporary bridge Kingston to Cornwall - Cataraqui River 2017(NAD83)

The LaSalle Causeway bridge at 44 14.079N 076 28.462W is open to navigation from 161300 UTC Aug 2026 to 162300 UTC Aug 2026. 
NW-A-0217-26
Areas affected by the message
67° 10.635'N 130° 14.945'W
67° 11.047'N 130° 14.998'W
67° 12.021'N 130° 15.681'W
67° 11.568'N 130° 15.391'W
67° 12.546'N 130° 16.174'W
67° 10.536'N 130° 14.980'W
67° 10.727'N 130° 15.728'W
67° 10.895'N 130° 16.002'W
67° 11.483'N 130° 16.343'W
67° 12.037'N 130° 16.622'W
67° 12.659'N 130° 16.352'W
2026-08-15 15:47 UTC Waterway Information - Channel Change Fort Good Hope mile 684 to Point Separation mile 913 6424(WGS84)

Red buoy mile 776.9 in 67 10.635N 130 14.945W, permanently discontinued.
Red buoy mile 777.0 in 67 11.047N 130 14.998W, permanently discontinued.
Red buoy mile 778.4 in 67 12.021N 130 15.681W, permanently discontinued.
Red buoy mile 778.7 in 67 11.568N 130 15.391W, permanently discontinued.
Red buoy mile 779.1 in 67 12.546N 130 16.174W, permanently discontinued.
Red buoy established mile 776.7 in 67 10.536N 130 14.980W.
Red buoy established mile 777.2 in 67 10.727N 130 15.728W.
Green buoy established mile 777.4 in 67 10.895N 130 16.002W.
Green buoy established mile 778.1 in 67 11.483N 130 16.343W.
Green buoy established mile 778.7 in 67 12.037N 130 16.622W.
Red buoy established mile 779.5 in 67 12.659N 130 16.352W.
NW-C-3568-26
Areas affected by the message
43° 38.206'N 079° 19.710'W
2026-08-15 15:07 UTC Aids to Navigation Lake Ontario - Toronto 2085(NAD83)

Unlit

Aids: O.H. Marina southerly entrance light buoy M3 LL 509.433
NW-M-1153-26
Areas affected by the message
43° 38.450'N 065° 02.250'W
2026-08-15 10:58 UTC Aids to Navigation Southwestern Shore 4209(NAD83)

Off position

Aids: Outer Farm Ledge light buoy KE52 LL 382.01
Cancels NW-M-0829-26
NW-C-3565-26
Areas affected by the message
Polyline
Pt 1: 43° 34.030'N 079° 32.327'W
Pt 2: 43° 35.747'N 079° 18.887'W
Pt 3: 43° 46.000'N 078° 59.100'W
Pt 4: 43° 15.539'N 079° 32.322'W
Pt 5: 43° 16.222'N 079° 45.555'W
Pt 6: 43° 33.661'N 079° 33.399'W
2026-08-15 10:14 UTC To 2026-08-17 05:00 UTC Routeing Change Lake Ontario - West End 2077(NAD83), 2086(WGS84)

Sailing regatta of between 30 and 40 vessels taking place from 151350 UTC Aug 2026 until 170400 UTC Aug 2026. Course starting from Port Credit Yacht Club to Ajax, to Grimsby, to Van Wagners Beach and ending in Port Credit. Course crosses shipping lanes. Race committee monitoring VHF channel 71.
NW-P-1140-26
Areas affected by the message
51° 47.372'N 131° 15.340'W
2026-08-15 09:48 UTC Aids to Navigation Queen Charlotte Sound 3002(NAD27)

South Moresby ODAS Light Buoy 46147 LL 769.5 has been permanently re-established on position 51 47.372N 131 15.340W

Aids: South Moresby ODAS light buoy LL 769.5
Showing results 1 to 20, from 1,616 total results.
Showing results 1 to 20, from 1,616 total results.
Table
Showing results 1 to 20, from 1,616 total results.
Showing results 1 to 20, from 1,616 total results.
ID Date Title Areas Charts Description
NW-C-3582-26 2026-08-16 13:58 UTC To 2026-08-17 13:58 UTC Drifting Hazard Lake Erie - Point Pelee 14830(NAD83), 2123(NAD83)

Aluminum row boat 3.7 metres in length reported adrift in the vicinity of 41 59.7N 082 33.6W at 161343 UTC Aug 2026.
NW-N-0624-26 2026-08-16 11:53 UTC Scientific Instruments Change Northern Grand Banks 8012(NAD83), 8014(NAD83)

Wave Glider C34167NS conducting unmanned scientific vehicle operations and is transiting from 48 08.574N 048 37.818W to 48 30.840N 049 47.280W for retrieval of acoustic data.

The wave glider is copper in colour, measuring 3.05 meters by 0.81 meters, with a mast extending 1.5 meters above the surface of the water supporting a solid white light and orange visibility flag. It is remotely operated, equipped with a non-transmitting AIS receiver, and moving at a speed of approximately 1.3 knots. 

For further information, authorities and mariners may contact Sue L’Orsa at 250-877-8052, Tyler Byrne at 902-719-7078, or Liquid Robotics Wave Glider Operations Centre at +1 888-574-4574 or 408-636-4205.

Caution. 

Cancels NW-N-0623-26
NW-C-3581-26 2026-08-16 11:15 UTC Marine Works Lake Erie - Wheatley 2181(NAD83)

Dredging operations taking place daily at Wheatley Harbour from 1100 UTC until 2300 UTC beginning 17 Aug 2026. An excavator will be working from shore.
NW-C-3580-26 2026-08-16 11:13 UTC To 2026-08-17 11:13 UTC Drifting Hazard Cornwall to Montréal - west - Saint-Anicet 1432(WGS84)

Dock reported adrift in the vicinity of 45 09.0N 074 22.0W at 161103 UTC Aug 2026. Dock is 6 metres in length with barrel underneath.
NW-C-3579-26 2026-08-16 10:14 UTC Marine Works Anticosti - Baie de Gaspé 4416(NAD83)

Riprap operations taking place Monday to Friday from 1000 UTC to 2145 UTC between 48 50.992N 064 30.503W and 48 50.923N 064 30.402W.

Minimum wake requested and stay clear 100 metres.
NW-C-3578-26 2026-08-16 09:48 UTC To 2026-08-16 21:00 UTC Routeing Change Georgian Bay - Owen Sound 2282(NAD83), 2283(WGS84)

Owen Sound Triathlon swim competition taking place at Bayshore Park at 161300 UTC Aug 2026 and 161700 UTC Aug 2026 with 250 participants. Safety boats on site.
NW-C-3577-26 2026-08-16 07:41 UTC To 2026-08-16 22:00 UTC Routeing Change Donnacona to Beauport, Port of Quebec, Trois-Rivières to Donnacona - Portneuf to Quebec 1314(NAD83), 1315(NAD83), 1316(NAD83), 1316(NAD83)

Kayak event of approximately 200 kayaks taking place from 161130 UTC Aug 2026 to 162100 UTC Aug 2026. The race course starts at Portneuf Wharf and proceeds to Bassin Louise, Québec. Kayaks will be crossing shipping lanes. Eleven safety boats on scene monitoring VHF channel 10. 
NW-C-3576-26 2026-08-16 07:25 UTC Aids to Navigation Montréal to Trois-Rivières - Sainte-Anne-de-Sorel 1312(NAD83)

Unreliable, reduced intensity.

Aids: Îlets Percés light buoy S114 LL 2165
NW-C-3575-26 2026-08-16 07:25 UTC Aids to Navigation Montréal to Trois-Rivières - Sainte-Anne-de-Sorel 1312(NAD83)

Unreliable, reduced intensity.

Aids: Île Lapierre light buoy S116 LL 2167.1
NW-P-1144-26 2026-08-16 04:12 UTC To 2026-08-17 04:12 UTC Drifting Hazard Howe Sound 3526(NAD83)

Log boom reported adrift in the vicinity of 49 29.159N 123 27.628W at 160355 UTC Aug 2026. 30 to 40 sections of logs have broken free off Andys Bay from Mariner Rest to Woolridge Island. 

Caution.
NW-A-0221-26 2026-08-15 23:53 UTC Aids to Navigation Shipping Safety Control Zone 11 7778(NAD83)

Beacon Permanently Removed

Aids: Outpost Island day beacon
NW-C-3574-26 2026-08-15 23:47 UTC To 2026-08-16 23:47 UTC Drifting Hazard Montréal to Trois-Rivières - Repentigny 1311(NAD83)

White vessel with white canvas reported adrift in the vicinity of 45 47.02N 073 23.50W at 152344 UTC Aug 2026. 
NW-A-0220-26 2026-08-15 20:59 UTC Aids to Navigation Shipping Safety Control Zone 11 7778(NAD83)

Beacon Permanently Removed

Aids: Sisters Island day beacon
NW-A-0218-26 2026-08-15 16:39 UTC Waterway Information - Channel Change Fort Good Hope mile 684 to Point Separation mile 913 6424(WGS84)

Due to shoreline erosion, the charted shoreline on Chart 6424 no longer accurately represents current conditions.
The shoreline should be amended by connecting the following coordinates:
67 11.857N 130 17.042W
67 11.531N 130 16.752W
67 10.941N 130 16.408W
NW-C-3569-26 2026-08-15 16:03 UTC To 2026-08-17 00:00 UTC Opening of temporary bridge Kingston to Cornwall - Cataraqui River 2017(NAD83)

The LaSalle Causeway bridge at 44 14.079N 076 28.462W is open to navigation from 161300 UTC Aug 2026 to 162300 UTC Aug 2026. 
NW-A-0217-26 2026-08-15 15:47 UTC Waterway Information - Channel Change Fort Good Hope mile 684 to Point Separation mile 913 6424(WGS84)

Red buoy mile 776.9 in 67 10.635N 130 14.945W, permanently discontinued.
Red buoy mile 777.0 in 67 11.047N 130 14.998W, permanently discontinued.
Red buoy mile 778.4 in 67 12.021N 130 15.681W, permanently discontinued.
Red buoy mile 778.7 in 67 11.568N 130 15.391W, permanently discontinued.
Red buoy mile 779.1 in 67 12.546N 130 16.174W, permanently discontinued.
Red buoy established mile 776.7 in 67 10.536N 130 14.980W.
Red buoy established mile 777.2 in 67 10.727N 130 15.728W.
Green buoy established mile 777.4 in 67 10.895N 130 16.002W.
Green buoy established mile 778.1 in 67 11.483N 130 16.343W.
Green buoy established mile 778.7 in 67 12.037N 130 16.622W.
Red buoy established mile 779.5 in 67 12.659N 130 16.352W.
NW-C-3568-26 2026-08-15 15:07 UTC Aids to Navigation Lake Ontario - Toronto 2085(NAD83)

Unlit

Aids: O.H. Marina southerly entrance light buoy M3 LL 509.433
NW-M-1153-26 2026-08-15 10:58 UTC Aids to Navigation Southwestern Shore 4209(NAD83)

Off position

Aids: Outer Farm Ledge light buoy KE52 LL 382.01
Cancels NW-M-0829-26
NW-C-3565-26 2026-08-15 10:14 UTC To 2026-08-17 05:00 UTC Routeing Change Lake Ontario - West End 2077(NAD83), 2086(WGS84)

Sailing regatta of between 30 and 40 vessels taking place from 151350 UTC Aug 2026 until 170400 UTC Aug 2026. Course starting from Port Credit Yacht Club to Ajax, to Grimsby, to Van Wagners Beach and ending in Port Credit. Course crosses shipping lanes. Race committee monitoring VHF channel 71.
NW-P-1140-26 2026-08-15 09:48 UTC Aids to Navigation Queen Charlotte Sound 3002(NAD27)

South Moresby ODAS Light Buoy 46147 LL 769.5 has been permanently re-established on position 51 47.372N 131 15.340W

Aids: South Moresby ODAS light buoy LL 769.5
Showing results 1 to 20, from 1,616 total results.
Showing results 1 to 20, from 1,616 total results.
Compact
Showing results 1 to 20, from 1,616 total results.
Showing results 1 to 20, from 1,616 total results.
ID Date Charts Title
NW-C-3582-26 2026-08-16 13:58 UTC To 2026-08-17 13:58 UTC 14830(NAD83), 2123(NAD83) Drifting Hazard

Aluminum row boat 3.7 metres in length reported adrift in the vicinity of 41 59.7N 082 33.6W at 161343 UTC Aug 2026.
NW-N-0624-26 2026-08-16 11:53 UTC 8012(NAD83), 8014(NAD83) Scientific Instruments Change

Wave Glider C34167NS conducting unmanned scientific vehicle operations and is transiting from 48 08.574N 048 37.818W to 48 30.840N 049 47.280W for retrieval of acoustic data.

The wave glider is copper in colour, measuring 3.05 meters by 0.81 meters, with a mast extending 1.5 meters above the surface of the water supporting a solid white light and orange visibility flag. It is remotely operated, equipped with a non-transmitting AIS receiver, and moving at a speed of approximately 1.3 knots. 

For further information, authorities and mariners may contact Sue L’Orsa at 250-877-8052, Tyler Byrne at 902-719-7078, or Liquid Robotics Wave Glider Operations Centre at +1 888-574-4574 or 408-636-4205.

Caution. 

Cancels NW-N-0623-26
NW-C-3581-26 2026-08-16 11:15 UTC 2181(NAD83) Marine Works

Dredging operations taking place daily at Wheatley Harbour from 1100 UTC until 2300 UTC beginning 17 Aug 2026. An excavator will be working from shore.
NW-C-3580-26 2026-08-16 11:13 UTC To 2026-08-17 11:13 UTC 1432(WGS84) Drifting Hazard

Dock reported adrift in the vicinity of 45 09.0N 074 22.0W at 161103 UTC Aug 2026. Dock is 6 metres in length with barrel underneath.
NW-C-3579-26 2026-08-16 10:14 UTC 4416(NAD83) Marine Works

Riprap operations taking place Monday to Friday from 1000 UTC to 2145 UTC between 48 50.992N 064 30.503W and 48 50.923N 064 30.402W.

Minimum wake requested and stay clear 100 metres.
NW-C-3578-26 2026-08-16 09:48 UTC To 2026-08-16 21:00 UTC 2282(NAD83), 2283(WGS84) Routeing Change

Owen Sound Triathlon swim competition taking place at Bayshore Park at 161300 UTC Aug 2026 and 161700 UTC Aug 2026 with 250 participants. Safety boats on site.
NW-C-3577-26 2026-08-16 07:41 UTC To 2026-08-16 22:00 UTC 1314(NAD83), 1315(NAD83), 1316(NAD83), 1316(NAD83) Routeing Change

Kayak event of approximately 200 kayaks taking place from 161130 UTC Aug 2026 to 162100 UTC Aug 2026. The race course starts at Portneuf Wharf and proceeds to Bassin Louise, Québec. Kayaks will be crossing shipping lanes. Eleven safety boats on scene monitoring VHF channel 10. 
NW-C-3576-26 2026-08-16 07:25 UTC 1312(NAD83) Aids to Navigation

Unreliable, reduced intensity.

Aids: Îlets Percés light buoy S114 LL 2165
NW-C-3575-26 2026-08-16 07:25 UTC 1312(NAD83) Aids to Navigation

Unreliable, reduced intensity.

Aids: Île Lapierre light buoy S116 LL 2167.1
NW-P-1144-26 2026-08-16 04:12 UTC To 2026-08-17 04:12 UTC 3526(NAD83) Drifting Hazard

Log boom reported adrift in the vicinity of 49 29.159N 123 27.628W at 160355 UTC Aug 2026. 30 to 40 sections of logs have broken free off Andys Bay from Mariner Rest to Woolridge Island. 

Caution.
NW-A-0221-26 2026-08-15 23:53 UTC 7778(NAD83) Aids to Navigation

Beacon Permanently Removed

Aids: Outpost Island day beacon
NW-C-3574-26 2026-08-15 23:47 UTC To 2026-08-16 23:47 UTC 1311(NAD83) Drifting Hazard

White vessel with white canvas reported adrift in the vicinity of 45 47.02N 073 23.50W at 152344 UTC Aug 2026. 
NW-A-0220-26 2026-08-15 20:59 UTC 7778(NAD83) Aids to Navigation

Beacon Permanently Removed

Aids: Sisters Island day beacon
NW-A-0218-26 2026-08-15 16:39 UTC 6424(WGS84) Waterway Information - Channel Change

Due to shoreline erosion, the charted shoreline on Chart 6424 no longer accurately represents current conditions.
The shoreline should be amended by connecting the following coordinates:
67 11.857N 130 17.042W
67 11.531N 130 16.752W
67 10.941N 130 16.408W
NW-C-3569-26 2026-08-15 16:03 UTC To 2026-08-17 00:00 UTC 2017(NAD83) Opening of temporary bridge

The LaSalle Causeway bridge at 44 14.079N 076 28.462W is open to navigation from 161300 UTC Aug 2026 to 162300 UTC Aug 2026. 
NW-A-0217-26 2026-08-15 15:47 UTC 6424(WGS84) Waterway Information - Channel Change

Red buoy mile 776.9 in 67 10.635N 130 14.945W, permanently discontinued.
Red buoy mile 777.0 in 67 11.047N 130 14.998W, permanently discontinued.
Red buoy mile 778.4 in 67 12.021N 130 15.681W, permanently discontinued.
Red buoy mile 778.7 in 67 11.568N 130 15.391W, permanently discontinued.
Red buoy mile 779.1 in 67 12.546N 130 16.174W, permanently discontinued.
Red buoy established mile 776.7 in 67 10.536N 130 14.980W.
Red buoy established mile 777.2 in 67 10.727N 130 15.728W.
Green buoy established mile 777.4 in 67 10.895N 130 16.002W.
Green buoy established mile 778.1 in 67 11.483N 130 16.343W.
Green buoy established mile 778.7 in 67 12.037N 130 16.622W.
Red buoy established mile 779.5 in 67 12.659N 130 16.352W.
NW-C-3568-26 2026-08-15 15:07 UTC 2085(NAD83) Aids to Navigation

Unlit

Aids: O.H. Marina southerly entrance light buoy M3 LL 509.433
NW-M-1153-26 2026-08-15 10:58 UTC 4209(NAD83) Aids to Navigation

Off position

Aids: Outer Farm Ledge light buoy KE52 LL 382.01
Cancels NW-M-0829-26
NW-C-3565-26 2026-08-15 10:14 UTC To 2026-08-17 05:00 UTC 2077(NAD83), 2086(WGS84) Routeing Change

Sailing regatta of between 30 and 40 vessels taking place from 151350 UTC Aug 2026 until 170400 UTC Aug 2026. Course starting from Port Credit Yacht Club to Ajax, to Grimsby, to Van Wagners Beach and ending in Port Credit. Course crosses shipping lanes. Race committee monitoring VHF channel 71.
NW-P-1140-26 2026-08-15 09:48 UTC 3002(NAD27) Aids to Navigation

South Moresby ODAS Light Buoy 46147 LL 769.5 has been permanently re-established on position 51 47.372N 131 15.340W

Aids: South Moresby ODAS light buoy LL 769.5
Showing results 1 to 20, from 1,616 total results.
Showing results 1 to 20, from 1,616 total results.

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