Wrecks & obstructions in 2025

Dangerous wrecks, shoals and submerged obstructions.

issued in 2025
12
still in force
12
vs 2024
-50%
first · last
02-07 · 10-31

Coverage note: the NGA archive ends 2024-05 and live collection began 2026-08-17. Warnings issued in between are here only if they were still in force when collection started, so this year is under-counted.

By month

J
F
M
A
M
J
J
A
S
O
N
D

By NAVAREA series

  • HYDROARC3
  • HYDROPAC3
  • NAVAREA IV3
  • HYDROLANT2
  • NAVAREA XI1

Where · top seas

The Northwestern Passages325%
Caribbean Sea217%
South China Sea217%
South Atlantic Ocean217%
Persian Gulf18%
Hudson Strait18%
North Pacific Ocean18%

All wrecks & obstructions issued in 2025 · 12

  1. NAVAREA IV 1170/25in force2025-10-31
    Hudson Strait, Canada: depths from 0.4 to 6.7 meters reported at multiple positions.
    Hudson Strait · Canada
  2. NAVAREA IV 1158/25in force2025-10-27
    A dangerous wreck is located at 10-13.39N 064-42.22W in the Caribbean Sea near Venezuela.
    Caribbean Sea · Venezuela
  3. HYDROARC 178/25in force2025-10-01
    Depths reported in Franklin Strait and McClintock Channel, Canada, range from 11.3 to 29.3 meters.
    Franklin Strait · Mcclintock Channel · Canada
  4. HYDROARC 175/25in force2025-09-29
    A reported depth of 33.6 meters in McClintock Channel, Canada at 76-40.36N 102-16.62W.
    Mcclintock Channel · Canada
  5. NAVAREA IV 998/25in force2025-09-19
    An unmarked submerged wellhead is located in the Caribbean Sea off Trinidad and Tobago at 10-28.29N 061-33.83W.
    Caribbean Sea
  6. HYDROPAC 2412/25in force2025-09-19
    Dangerous wreck in South China Sea off Vietnam at 10-22.31N 107-46.96E.
    South China Sea · Vietnam
  7. NAVAREA XI 437/25in force2025-09-19
    Sunken wreck exists in northern South China Sea at 10-22.31N 107-46.96E.
    South China Sea, Northern Part
  8. HYDROARC 148/25in force2025-08-31
    A depth of 13.6 meters is reported in Lancaster Sound, Canada at 74-38.63N 091-20.54W.
    Lancaster Sound · Canada
  9. HYDROLANT 1213/25in force2025-07-19
    Depths are less than charted in three areas off Brazil in the South Atlantic.
    South Atlantic · Brazil
  10. HYDROPAC 1819/25in force2025-07-17
    Depths between 5.4 and 18.8 meters reported at several positions in Marshall Islands, North Pacific.
    North Pacific · Marshall Islands
  11. HYDROLANT 915/25in force2025-05-31
    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
  12. HYDROPAC 319/25in force2025-02-07
    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

Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts and your national MSI service.

Wrecks & obstructions in 2025 · seahazards