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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 1,255 total results.
Showing results 1 to 20, from 1,255 total results.
Areas affected by the message
Aids to Navigation - Georgian Bay - O'Donnell Point Provincial Park
2025-05-06 02:01 UTC
NW-C-0934-25

Damaged

Aids: Haystack Channel green spar buoy GBH7
Areas affected by the message
Aids to Navigation - Georgian Bay - O'Donnell Point Provincial Park
2025-05-06 02:01 UTC
NW-C-0933-25

Off station, 60 metres to the west.

Aids: Haystack Channel red spar buoy GBH4
Areas affected by the message
Drifting Hazard - Deadhead - Detroit River - Amherstburg
2025-05-05 22:25 UTC To 2025-05-06 22:25 UTC
NW-C-0932-25

Deadhead 12 metres in length and 30 centimetres above the surface reported adrift at 42 05.4N 083 06.9W at 052200 UTC May 2025.

Areas affected by the message
MCTS VHF Services - Surveillance Systems - Richelieu River and Northern Lake Champlain
2025-05-05 21:05 UTC To 2025-05-09 01:00 UTC
NW-C-0931-25

Quebec MCTS. AIS, VHF RT CH26 and DSC transmit and receive services located at Sorel inoperative from 052100 UTC May 2025 until 090000 UTC May 2025 for maintenance.

Cancels NW-C-0924-25
Areas affected by the message
Aids to Navigation - Montréal to Trois-Rivières - Île aux Raisins
2025-05-05 18:28 UTC
NW-C-0927-25

Unreliable, daymark obstructed by foliage.

Aids: Île aux Raisins range rear light LL 2167
Cancels NW-C-1397-24
Areas affected by the message
Aids to Navigation - Gulf - Magdalen - south
2025-05-05 17:42 UTC
NW-M-0648-25

Missing

Aids: Grand Tracadie light buoy JH3 LL 1049.131
Areas affected by the message
Aids to Navigation - Detroit River, Lake St. Clair - Windsor
2025-05-05 17:01 UTC
NW-C-0923-25

Missing

Aids: Light buoy DP5 LL 707
Areas affected by the message
Aids to Navigation - Chaleur - Miscou - south
2025-05-05 17:00 UTC
NW-M-0647-25

Off position

Aids: Miramichi Bar light buoy M19 LL 1180.5
Areas affected by the message
Aids to Navigation - Georgian Bay - Pointe au Baril
2025-05-05 16:18 UTC
NW-C-0922-25

Unidentified damaged green buoy reported in the vicinity of 45 35.096N 080 31.996W

Areas affected by the message
Aids to Navigation - Georgian Bay - Pointe au Baril
2025-05-05 16:18 UTC
NW-C-0921-25

Missing

Aids: West Cardinal spar buoy AQ
Areas affected by the message
Aids to Navigation - Georgian Bay - Pointe au Baril
2025-05-05 16:18 UTC
NW-C-0920-25

Unidentified red buoy reported in the vicinity of 45 34.355N 080 31.873W

Areas affected by the message
Aids to Navigation - Georgian Bay - Pointe au Baril
2025-05-05 16:17 UTC
NW-C-0919-25

Unidentified green buoy reported in the vicinity of 45 33.665N 080 31.587W

Areas affected by the message
Aids to Navigation - Georgian Bay - Duffy Island
2025-05-05 16:17 UTC
NW-C-0918-25

Damaged

Aids: West of Duffy Island red spar buoy AX4
Areas affected by the message
Aids to Navigation - Georgian Bay - Pointe au Baril
2025-05-05 16:17 UTC
NW-C-0917-25

Damaged and off station at 45 35.118N 080 31.938W

Aids: Red spar buoy A72
Areas affected by the message
Waterway information - Unmanned vessel - Juan de Fuca Strait, Victoria Harbour
2025-05-05 16:06 UTC To 2025-05-09 23:00 UTC
NW-P-0646-25

Two Uncrewed Surface Vessels (USV) will operate from Coast Marina, Victoria Harbour to circumnavigate Race Rocks and then return to Coast Marina. 

The vessels are 3.3m long, red and white in colour and are equipped with AIS. 

Hours of operation 1500 to 2300 UTC daily from 06 to 09 May. 

Call operators at 1-833-667-6268 for any questions or concerns.

 

Areas affected by the message
Military Zone WG - Strait of Georgia
2025-05-05 15:50 UTC To 2025-05-07 00:00 UTC
NW-P-0645-25

Military Exercise Area WG will be active for surface, subsurface and air activities from 06 May 1500 UTC to 07 May 0000 UTC. During operations WG is extremely hazardous and closed to marine traffic. Entry is prohibited pursuant to the Defence Controlled Access Area Regulations. Safe passage is available within 0.5nm North of Winchelsea Island and within 0.5 nm East of Ballenas Island. Contact Winchelsea Island Control on VHF Channel 10 for additional information. Ref: NOTMAR F35 - Annual Edition.

Areas affected by the message
Aids to Navigation - Northumberland Strait
2025-05-05 15:22 UTC
NW-M-0646-25

Unlit

Aids: Inverness breakwater light LL 874.1
Areas affected by the message
Obstruction - Banquereau - Shortland Canyon
2025-05-05 13:54 UTC
NW-M-0644-25

Sub-surface scientific mooring M2297 deployed in 44 14.532N 058 28.758W.

Areas affected by the message
Aids to Navigation - Kingston to Cornwall - Cardinal
2025-05-05 06:44 UTC
NW-C-0914-25

Unreliable, reduced intensity.

Aids: Light buoy 116 LL 288, U.S. LL 785
Areas affected by the message
Aids to Navigation - Southwestern Shore
2025-05-05 01:01 UTC
NW-M-0643-25

Temporarily removed

Aids: Morris Point light buoy HE17 LL 503.11
Showing results 1 to 20, from 1,255 total results.
Showing results 1 to 20, from 1,255 total results.
Details
Showing results 1 to 20, from 1,255 total results.
Showing results 1 to 20, from 1,255 total results.
ID Date Title Areas Charts Description
NW-C-0934-25
Areas affected by the message
45° 08.334'N 080° 08.960'W
2025-05-06 02:01 UTC Aids to Navigation Georgian Bay - O'Donnell Point Provincial Park 2202(NAD83)

Damaged

Aids: Haystack Channel green spar buoy GBH7
NW-C-0933-25
Areas affected by the message
45° 07.565'N 080° 10.317'W (Advertised position)
45° 07.556'N 080° 10.362'W (Reported position)
2025-05-06 02:01 UTC Aids to Navigation Georgian Bay - O'Donnell Point Provincial Park 2202(NAD83)

Off station, 60 metres to the west.

Aids: Haystack Channel red spar buoy GBH4
NW-C-0932-25
Areas affected by the message
42° 05.427'N 083° 06.964'W
2025-05-05 22:25 UTC To 2025-05-06 22:25 UTC Drifting Hazard - Deadhead Detroit River - Amherstburg 14853(NAD83)

Deadhead 12 metres in length and 30 centimetres above the surface reported adrift at 42 05.4N 083 06.9W at 052200 UTC May 2025.
NW-C-0931-25
Areas affected by the message
46° 02.733'N 073° 06.867'W
2025-05-05 21:05 UTC To 2025-05-09 01:00 UTC MCTS VHF Services - Surveillance Systems Richelieu River and Northern Lake Champlain 1350(NAD83)

Quebec MCTS. AIS, VHF RT CH26 and DSC transmit and receive services located at Sorel inoperative from 052100 UTC May 2025 until 090000 UTC May 2025 for maintenance.

Cancels NW-C-0924-25
NW-C-0927-25
Areas affected by the message
46° 06.179'N 072° 57.873'W
46° 05.877'N 072° 57.973'W
2025-05-05 18:28 UTC Aids to Navigation Montréal to Trois-Rivières - Île aux Raisins 1312(NAD83)

Unreliable, daymark obstructed by foliage.

Aids: Île aux Raisins range rear light LL 2167
Cancels NW-C-1397-24
NW-M-0648-25
Areas affected by the message
46° 25.244'N 063° 00.778'W
2025-05-05 17:42 UTC Aids to Navigation Gulf - Magdalen - south 4425(NAD83)

Missing

Aids: Grand Tracadie light buoy JH3 LL 1049.131
NW-C-0923-25
Areas affected by the message
42° 20.500'N 082° 55.262'W
2025-05-05 17:01 UTC Aids to Navigation Detroit River, Lake St. Clair - Windsor 14853(NAD83)

Missing

Aids: Light buoy DP5 LL 707
NW-M-0647-25
Areas affected by the message
47° 08.625'N 065° 02.850'W
2025-05-05 17:00 UTC Aids to Navigation Chaleur - Miscou - south 4911(NAD83)

Off position

Aids: Miramichi Bar light buoy M19 LL 1180.5
NW-C-0922-25
Areas affected by the message
45° 35.096'N 080° 31.996'W
2025-05-05 16:18 UTC Aids to Navigation Georgian Bay - Pointe au Baril 2203(NAD83), 2203(NAD83)

Unidentified damaged green buoy reported in the vicinity of 45 35.096N 080 31.996W
NW-C-0921-25
Areas affected by the message
45° 34.164'N 080° 31.383'W
2025-05-05 16:18 UTC Aids to Navigation Georgian Bay - Pointe au Baril 2203(NAD83)

Missing

Aids: West Cardinal spar buoy AQ
NW-C-0920-25
Areas affected by the message
45° 34.355'N 080° 31.873'W
2025-05-05 16:18 UTC Aids to Navigation Georgian Bay - Pointe au Baril 2203(NAD83)

Unidentified red buoy reported in the vicinity of 45 34.355N 080 31.873W
NW-C-0919-25
Areas affected by the message
45° 33.665'N 080° 31.587'W
2025-05-05 16:17 UTC Aids to Navigation Georgian Bay - Pointe au Baril 2203(NAD83)

Unidentified green buoy reported in the vicinity of 45 33.665N 080 31.587W
NW-C-0918-25
Areas affected by the message
45° 44.176'N 080° 40.080'W
2025-05-05 16:17 UTC Aids to Navigation Georgian Bay - Duffy Island 2293(NAD83)

Damaged

Aids: West of Duffy Island red spar buoy AX4
NW-C-0917-25
Areas affected by the message
45° 35.053'N 080° 31.858'W (Advertised position)
45° 35.118'N 080° 31.938'W (Reported position)
2025-05-05 16:17 UTC Aids to Navigation Georgian Bay - Pointe au Baril 2203(NAD83), 2203(NAD83)

Damaged and off station at 45 35.118N 080 31.938W

Aids: Red spar buoy A72
NW-P-0646-25
Areas affected by the message
Polyline
Pt 1: 48° 17.463'N 123° 31.383'W
Pt 2: 48° 18.148'N 123° 32.208'W
Pt 3: 48° 23.974'N 123° 24.382'W
Pt 4: 48° 24.226'N 123° 23.940'W
Pt 5: 48° 25.127'N 123° 23.288'W
2025-05-05 16:06 UTC To 2025-05-09 23:00 UTC Waterway information - Unmanned vessel Juan de Fuca Strait, Victoria Harbour 3412(WGS84)

Two Uncrewed Surface Vessels (USV) will operate from Coast Marina, Victoria Harbour to circumnavigate Race Rocks and then return to Coast Marina. 

The vessels are 3.3m long, red and white in colour and are equipped with AIS. 

Hours of operation 1500 to 2300 UTC daily from 06 to 09 May. 

Call operators at 1-833-667-6268 for any questions or concerns.

 
NW-P-0645-25
Areas affected by the message
49° 18.746'N 123° 57.949'W
Pt 1: 49° 21.467'N 124° 09.500'W
Pt 2: 49° 21.000'N 123° 48.400'W
Pt 3: 49° 14.833'N 123° 48.400'W
Pt 4: 49° 18.033'N 124° 09.500'W
2025-05-05 15:50 UTC To 2025-05-07 00:00 UTC Military Zone WG Strait of Georgia 3512(NAD83)

Military Exercise Area WG will be active for surface, subsurface and air activities from 06 May 1500 UTC to 07 May 0000 UTC. During operations WG is extremely hazardous and closed to marine traffic. Entry is prohibited pursuant to the Defence Controlled Access Area Regulations. Safe passage is available within 0.5nm North of Winchelsea Island and within 0.5 nm East of Ballenas Island. Contact Winchelsea Island Control on VHF Channel 10 for additional information. Ref: NOTMAR F35 - Annual Edition.
NW-M-0646-25
Areas affected by the message
46° 13.760'N 061° 19.500'W
2025-05-05 15:22 UTC Aids to Navigation Northumberland Strait 4463(NAD83)

Unlit

Aids: Inverness breakwater light LL 874.1
NW-M-0644-25
Areas affected by the message
44° 14.532'N 058° 28.758'W
2025-05-05 13:54 UTC Obstruction Banquereau - Shortland Canyon 4045(NAD83)

Sub-surface scientific mooring M2297 deployed in 44 14.532N 058 28.758W.
NW-C-0914-25
Areas affected by the message
44° 47.434'N 075° 21.770'W
2025-05-05 06:44 UTC Aids to Navigation Kingston to Cornwall - Cardinal 1434(WGS84), 1435(WGS84)

Unreliable, reduced intensity.

Aids: Light buoy 116 LL 288, U.S. LL 785
NW-M-0643-25
Areas affected by the message
44° 28.010'N 063° 32.681'W
2025-05-05 01:01 UTC Aids to Navigation Southwestern Shore 4385(NAD83)

Temporarily removed

Aids: Morris Point light buoy HE17 LL 503.11
Showing results 1 to 20, from 1,255 total results.
Showing results 1 to 20, from 1,255 total results.
Table
Showing results 1 to 20, from 1,255 total results.
Showing results 1 to 20, from 1,255 total results.
ID Date Title Areas Charts Description
NW-C-0934-25 2025-05-06 02:01 UTC Aids to Navigation Georgian Bay - O'Donnell Point Provincial Park 2202(NAD83)

Damaged

Aids: Haystack Channel green spar buoy GBH7
NW-C-0933-25 2025-05-06 02:01 UTC Aids to Navigation Georgian Bay - O'Donnell Point Provincial Park 2202(NAD83)

Off station, 60 metres to the west.

Aids: Haystack Channel red spar buoy GBH4
NW-C-0932-25 2025-05-05 22:25 UTC To 2025-05-06 22:25 UTC Drifting Hazard - Deadhead Detroit River - Amherstburg 14853(NAD83)

Deadhead 12 metres in length and 30 centimetres above the surface reported adrift at 42 05.4N 083 06.9W at 052200 UTC May 2025.
NW-C-0931-25 2025-05-05 21:05 UTC To 2025-05-09 01:00 UTC MCTS VHF Services - Surveillance Systems Richelieu River and Northern Lake Champlain 1350(NAD83)

Quebec MCTS. AIS, VHF RT CH26 and DSC transmit and receive services located at Sorel inoperative from 052100 UTC May 2025 until 090000 UTC May 2025 for maintenance.

Cancels NW-C-0924-25
NW-C-0927-25 2025-05-05 18:28 UTC Aids to Navigation Montréal to Trois-Rivières - Île aux Raisins 1312(NAD83)

Unreliable, daymark obstructed by foliage.

Aids: Île aux Raisins range rear light LL 2167
Cancels NW-C-1397-24
NW-M-0648-25 2025-05-05 17:42 UTC Aids to Navigation Gulf - Magdalen - south 4425(NAD83)

Missing

Aids: Grand Tracadie light buoy JH3 LL 1049.131
NW-C-0923-25 2025-05-05 17:01 UTC Aids to Navigation Detroit River, Lake St. Clair - Windsor 14853(NAD83)

Missing

Aids: Light buoy DP5 LL 707
NW-M-0647-25 2025-05-05 17:00 UTC Aids to Navigation Chaleur - Miscou - south 4911(NAD83)

Off position

Aids: Miramichi Bar light buoy M19 LL 1180.5
NW-C-0922-25 2025-05-05 16:18 UTC Aids to Navigation Georgian Bay - Pointe au Baril 2203(NAD83), 2203(NAD83)

Unidentified damaged green buoy reported in the vicinity of 45 35.096N 080 31.996W
NW-C-0921-25 2025-05-05 16:18 UTC Aids to Navigation Georgian Bay - Pointe au Baril 2203(NAD83)

Missing

Aids: West Cardinal spar buoy AQ
NW-C-0920-25 2025-05-05 16:18 UTC Aids to Navigation Georgian Bay - Pointe au Baril 2203(NAD83)

Unidentified red buoy reported in the vicinity of 45 34.355N 080 31.873W
NW-C-0919-25 2025-05-05 16:17 UTC Aids to Navigation Georgian Bay - Pointe au Baril 2203(NAD83)

Unidentified green buoy reported in the vicinity of 45 33.665N 080 31.587W
NW-C-0918-25 2025-05-05 16:17 UTC Aids to Navigation Georgian Bay - Duffy Island 2293(NAD83)

Damaged

Aids: West of Duffy Island red spar buoy AX4
NW-C-0917-25 2025-05-05 16:17 UTC Aids to Navigation Georgian Bay - Pointe au Baril 2203(NAD83), 2203(NAD83)

Damaged and off station at 45 35.118N 080 31.938W

Aids: Red spar buoy A72
NW-P-0646-25 2025-05-05 16:06 UTC To 2025-05-09 23:00 UTC Waterway information - Unmanned vessel Juan de Fuca Strait, Victoria Harbour 3412(WGS84)

Two Uncrewed Surface Vessels (USV) will operate from Coast Marina, Victoria Harbour to circumnavigate Race Rocks and then return to Coast Marina. 

The vessels are 3.3m long, red and white in colour and are equipped with AIS. 

Hours of operation 1500 to 2300 UTC daily from 06 to 09 May. 

Call operators at 1-833-667-6268 for any questions or concerns.

 
NW-P-0645-25 2025-05-05 15:50 UTC To 2025-05-07 00:00 UTC Military Zone WG Strait of Georgia 3512(NAD83)

Military Exercise Area WG will be active for surface, subsurface and air activities from 06 May 1500 UTC to 07 May 0000 UTC. During operations WG is extremely hazardous and closed to marine traffic. Entry is prohibited pursuant to the Defence Controlled Access Area Regulations. Safe passage is available within 0.5nm North of Winchelsea Island and within 0.5 nm East of Ballenas Island. Contact Winchelsea Island Control on VHF Channel 10 for additional information. Ref: NOTMAR F35 - Annual Edition.
NW-M-0646-25 2025-05-05 15:22 UTC Aids to Navigation Northumberland Strait 4463(NAD83)

Unlit

Aids: Inverness breakwater light LL 874.1
NW-M-0644-25 2025-05-05 13:54 UTC Obstruction Banquereau - Shortland Canyon 4045(NAD83)

Sub-surface scientific mooring M2297 deployed in 44 14.532N 058 28.758W.
NW-C-0914-25 2025-05-05 06:44 UTC Aids to Navigation Kingston to Cornwall - Cardinal 1434(WGS84), 1435(WGS84)

Unreliable, reduced intensity.

Aids: Light buoy 116 LL 288, U.S. LL 785
NW-M-0643-25 2025-05-05 01:01 UTC Aids to Navigation Southwestern Shore 4385(NAD83)

Temporarily removed

Aids: Morris Point light buoy HE17 LL 503.11
Showing results 1 to 20, from 1,255 total results.
Showing results 1 to 20, from 1,255 total results.
Compact
Showing results 1 to 20, from 1,255 total results.
Showing results 1 to 20, from 1,255 total results.
ID Date Charts Title
NW-C-0934-25 2025-05-06 02:01 UTC 2202(NAD83) Aids to Navigation

Damaged

Aids: Haystack Channel green spar buoy GBH7
NW-C-0933-25 2025-05-06 02:01 UTC 2202(NAD83) Aids to Navigation

Off station, 60 metres to the west.

Aids: Haystack Channel red spar buoy GBH4
NW-C-0932-25 2025-05-05 22:25 UTC To 2025-05-06 22:25 UTC 14853(NAD83) Drifting Hazard - Deadhead

Deadhead 12 metres in length and 30 centimetres above the surface reported adrift at 42 05.4N 083 06.9W at 052200 UTC May 2025.
NW-C-0931-25 2025-05-05 21:05 UTC To 2025-05-09 01:00 UTC 1350(NAD83) MCTS VHF Services - Surveillance Systems

Quebec MCTS. AIS, VHF RT CH26 and DSC transmit and receive services located at Sorel inoperative from 052100 UTC May 2025 until 090000 UTC May 2025 for maintenance.

Cancels NW-C-0924-25
NW-C-0927-25 2025-05-05 18:28 UTC 1312(NAD83) Aids to Navigation

Unreliable, daymark obstructed by foliage.

Aids: Île aux Raisins range rear light LL 2167
Cancels NW-C-1397-24
NW-M-0648-25 2025-05-05 17:42 UTC 4425(NAD83) Aids to Navigation

Missing

Aids: Grand Tracadie light buoy JH3 LL 1049.131
NW-C-0923-25 2025-05-05 17:01 UTC 14853(NAD83) Aids to Navigation

Missing

Aids: Light buoy DP5 LL 707
NW-M-0647-25 2025-05-05 17:00 UTC 4911(NAD83) Aids to Navigation

Off position

Aids: Miramichi Bar light buoy M19 LL 1180.5
NW-C-0922-25 2025-05-05 16:18 UTC 2203(NAD83), 2203(NAD83) Aids to Navigation

Unidentified damaged green buoy reported in the vicinity of 45 35.096N 080 31.996W
NW-C-0921-25 2025-05-05 16:18 UTC 2203(NAD83) Aids to Navigation

Missing

Aids: West Cardinal spar buoy AQ
NW-C-0920-25 2025-05-05 16:18 UTC 2203(NAD83) Aids to Navigation

Unidentified red buoy reported in the vicinity of 45 34.355N 080 31.873W
NW-C-0919-25 2025-05-05 16:17 UTC 2203(NAD83) Aids to Navigation

Unidentified green buoy reported in the vicinity of 45 33.665N 080 31.587W
NW-C-0918-25 2025-05-05 16:17 UTC 2293(NAD83) Aids to Navigation

Damaged

Aids: West of Duffy Island red spar buoy AX4
NW-C-0917-25 2025-05-05 16:17 UTC 2203(NAD83), 2203(NAD83) Aids to Navigation

Damaged and off station at 45 35.118N 080 31.938W

Aids: Red spar buoy A72
NW-P-0646-25 2025-05-05 16:06 UTC To 2025-05-09 23:00 UTC 3412(WGS84) Waterway information - Unmanned vessel

Two Uncrewed Surface Vessels (USV) will operate from Coast Marina, Victoria Harbour to circumnavigate Race Rocks and then return to Coast Marina. 

The vessels are 3.3m long, red and white in colour and are equipped with AIS. 

Hours of operation 1500 to 2300 UTC daily from 06 to 09 May. 

Call operators at 1-833-667-6268 for any questions or concerns.

 
NW-P-0645-25 2025-05-05 15:50 UTC To 2025-05-07 00:00 UTC 3512(NAD83) Military Zone WG

Military Exercise Area WG will be active for surface, subsurface and air activities from 06 May 1500 UTC to 07 May 0000 UTC. During operations WG is extremely hazardous and closed to marine traffic. Entry is prohibited pursuant to the Defence Controlled Access Area Regulations. Safe passage is available within 0.5nm North of Winchelsea Island and within 0.5 nm East of Ballenas Island. Contact Winchelsea Island Control on VHF Channel 10 for additional information. Ref: NOTMAR F35 - Annual Edition.
NW-M-0646-25 2025-05-05 15:22 UTC 4463(NAD83) Aids to Navigation

Unlit

Aids: Inverness breakwater light LL 874.1
NW-M-0644-25 2025-05-05 13:54 UTC 4045(NAD83) Obstruction

Sub-surface scientific mooring M2297 deployed in 44 14.532N 058 28.758W.
NW-C-0914-25 2025-05-05 06:44 UTC 1434(WGS84), 1435(WGS84) Aids to Navigation

Unreliable, reduced intensity.

Aids: Light buoy 116 LL 288, U.S. LL 785
NW-M-0643-25 2025-05-05 01:01 UTC 4385(NAD83) Aids to Navigation

Temporarily removed

Aids: Morris Point light buoy HE17 LL 503.11
Showing results 1 to 20, from 1,255 total results.
Showing results 1 to 20, from 1,255 total results.

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