1 2,737 d An oil rig is reported at 07-47.5N 108-12.0E in the southern South China Sea, and previous warnings are cancelled. South China Sea, Southern Part · South China Sea
event NAVAREA XI 132/19
2019-03-07
2 2,478 d An oil rig is reported to exist in the southern South China Sea at 07-42.1N 107-55.8E. South China Sea, Southern Part · South China Sea
event NAVAREA XI 664/19
2019-11-21
3 2,341 d A yellow observation buoy is reported at 19-20.6N 113-45.9E in the northern South China Sea on 04 Apr. South China Sea, Northern Part · South China Sea
NAVAREA XI 153/20
2020-04-06
4 1,133 d A large buoy exists in the East China Sea at 31 degrees north, 124 degrees east. East China Sea · Eastern China Sea
NAVAREA XI 252/23
2023-07-28
5 952 d A dangerous wreck marked by a buoy is located in the Persian Gulf off Kuwait at 29-05.49N 048-22.09E. Persian Gulf · Kuwait · Persian Gulf
event HYDROPAC 311/24
2024-01-25
6 927 d A partially submerged wreck is in the Persian Gulf near the UAE at coordinates 25-11.64N 054-10.12E. Persian Gulf · U.A.E · Persian Gulf
HYDROPAC 582/24
2024-02-19
7 856 d A dangerous wreck exists at 23-51.80N 067-20.90E in the Arabian Sea near India; previous warning canceled. Arabian Sea · India · Arabian Sea
event HYDROPAC 1423/24
2024-04-30
8 786 d A dangerous wreck exists in the Grenadines, eastern Caribbean Sea, at 12 degrees 35.75 minutes north, 061 degrees 24.44 minutes west. Eastern Caribbean Sea · Caribbean Sea
NAVAREA IV 797/24
2024-07-09
9 573 d Foul ground reported in Persian Gulf off Qatar at 25-07.69N 052-53.09E, requiring anchor with 2.5 shackle chain. Persian Gulf · Qatar · Persian Gulf
HYDROPAC 319/25
2025-02-07
10 460 d A reported depth of 18.3 meters at 20-35.71S 034-46.07W in the Western South Atlantic; previous warning cancelled. Western South Atlantic · South Atlantic Ocean
HYDROLANT 915/25
2025-05-31
11 413 d Depths between 5.4 and 18.8 meters reported at several positions in Marshall Islands, North Pacific. North Pacific · Marshall Islands · North Pacific Ocean
HYDROPAC 1819/25
2025-07-17
12 411 d Depths are less than charted in three areas off Brazil in the South Atlantic. South Atlantic · Brazil · South Atlantic Ocean
event HYDROLANT 1213/25
2025-07-19
13 368 d A depth of 13.6 meters is reported in Lancaster Sound, Canada at 74-38.63N 091-20.54W. Lancaster Sound · Canada · The Northwestern Passages
HYDROARC 148/25
2025-08-31
14 349 d Sunken wreck exists in northern South China Sea at 10-22.31N 107-46.96E. South China Sea, Northern Part · South China Sea
event NAVAREA XI 437/25
2025-09-19
15 349 d Dangerous wreck in South China Sea off Vietnam at 10-22.31N 107-46.96E. South China Sea · Vietnam · South China Sea
event HYDROPAC 2412/25
2025-09-19
16 349 d An unmarked submerged wellhead is located in the Caribbean Sea off Trinidad and Tobago at 10-28.29N 061-33.83W. Caribbean Sea · Caribbean Sea
NAVAREA IV 998/25
2025-09-19
17 338 d A reported depth of 33.6 meters in McClintock Channel, Canada at 76-40.36N 102-16.62W. Mcclintock Channel · Canada · The Northwestern Passages
HYDROARC 175/25
2025-09-29
18 337 d Depths reported in Franklin Strait and McClintock Channel, Canada, range from 11.3 to 29.3 meters. Franklin Strait · Mcclintock Channel · Canada · The Northwestern Passages
HYDROARC 178/25
2025-10-01
19 310 d A dangerous wreck is located at 10-13.39N 064-42.22W in the Caribbean Sea near Venezuela. Caribbean Sea · Venezuela · Caribbean Sea
NAVAREA IV 1158/25
2025-10-27
20 307 d Hudson Strait, Canada: depths from 0.4 to 6.7 meters reported at multiple positions. Hudson Strait · Canada · Hudson Strait
NAVAREA IV 1170/25
2025-10-31
21 245 d In the Arabian Sea off Pakistan, the wreck buoy at 24-46.45N 066-57.09E is missing. Arabian Sea · Pakistan · Arabian Sea
event HYDROPAC 10/26
2026-01-01
22 226 d Dangerous wreck in Gulf of America near Mexico at 25-14.24N 097-07.72W. Gulf of America · Mexico · Gulf of Mexico
NAVAREA IV 53/26
2026-01-20
23 207 d Barge Dream 1 sank in the Persian Gulf off Kuwait at 29°14.06'N 048°41.22'E. Persian Gulf · Kuwait · Persian Gulf
event HYDROPAC 379/26
2026-02-08
24 199 d Depths of 12.9 meters reported in Borouge Channel at 24-09.00N 052-45.20E. U.A.E · Persian Gulf
HYDROPAC 473/26
2026-02-16
25 176 d Barge Trader III lies sunk at 06-53.77N 057-53.43W in the North Atlantic near Guyana. North Atlantic · Guyana · North Atlantic Ocean
NAVAREA IV 222/26
2026-03-10
26 164 d Foul ground exists in a bounded area off Brazil until December 6, 2027. South Atlantic · Brazil · South Atlantic Ocean
HYDROLANT 582/26
2026-03-23
27 143 d Motor vessel Roswal is sunk at 08-40.88N 076-50.00W in the Caribbean Sea, Colombia. Caribbean Sea · Colombia · Caribbean Sea
NAVAREA IV 345/26
2026-04-13
28 105 d A dangerous wreck is reported in the Gulf of Guinea at 04-18.50N 007-02.20E. Navigate with caution and at reduced speed. Gulf of Guinea · Gulf of Guinea
event NAVAREA II 215/26
2026-05-21
29 105 d A dangerous wreck is located in the Gulf of Guinea, Nigeria at 04-18.50N 007-02.20E. Gulf of Guinea · Nigeria · Gulf of Guinea
event HYDROLANT 986/26
2026-05-21
30 93 d An obstruction 20 meters below surface lies at 24-50.93N 077-48.83W in the Bahamas until 30 November; cancel message Dec 1, 2026. North Atlantic · Bahamas · North Atlantic Ocean
NAVAREA IV 525/26
2026-06-02
31 64 d Depths of 6.2 meters reported in vicinity of 18-17.72N 072-55.18E and 18-17.77N 072-55.92E, Arabian Sea, India. Arabian Sea · India · Arabian Sea
event HYDROPAC 1892/26
2026-07-01
32 44 d Motor vessel Barima is sunk in the North Atlantic off Guyana at 07 degrees 28.23 minutes north, 58 degrees 23.40 minutes west. North Atlantic · Guyana · North Atlantic Ocean
NAVAREA IV 709/26
2026-07-21
33 27 d A newly discovered dangerous wreck is located at 23-57.50N 015-50.00W near Cap Blanc; navigate with caution. Cap Blanc · North Atlantic Ocean
event NAVAREA II 298/26
2026-08-07
34 10 d A sunken wreck exists in the Java Sea at 04-14-42S 113-44-18E. Java Sea · Java Sea
event NAVAREA XI 386/26
2026-08-24
35 8 d Depths are reported in Kara Sea, Russia, ranging from 6.4 to 12.3 meters at five positions, canceling previous warning. Kara Sea · Russia · Kara Sea
HYDROARC 187/26
2026-08-26
36 8 d Depths ranging from 7.2 to 10.5 meters reported at multiple positions in the Kara Sea, Russia. Kara Sea · Russia · Kara Sea
event HYDROARC 188/26
2026-08-26
37 8 d Shallow depths are reported at multiple positions in the Kara Sea, Russia, ranging from 8.0 to 10.5 meters. Kara Sea · Russia · Kara Sea
event HYDROARC 189/26
2026-08-26
38 7 d In the Eastern Indian Ocean, off India, fishing vessel Shri Balajaneya is sunk at 13-36.00N 074-36.50E. Eastern Indian Ocean · India · Laccadive Sea
HYDROPAC 2455/26
2026-08-27