Other warnings in 2024

Everything the classifier did not place elsewhere.

issued in 2024
710
still in force
4
vs 2023
-64%
first · last
01-01 · 12-04

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

  • HYDROPAC368
  • HYDROLANT156
  • NAVAREA IV96
  • NAVAREA XII83
  • HYDROARC6
  • NAVAREA III1

Where · top seas

Indian Ocean2223%
North Atlantic Ocean1920%
North Pacific Ocean1718%
Sea of Okhotsk1212%
Caribbean Sea77%
South Atlantic Ocean55%
South Pacific Ocean44%
South China Sea44%
Mediterranean Sea - Eastern Basin44%
Andaman or Burma Sea33%

All other warnings issued in 2024 · 710

  1. NAVAREA XII 278/242024-04-24 → 2024-04-24
    Cancel NAVAREA XII 272/24 and this msg
    Eastern South Pacific
  2. NAVAREA XII 277/242024-04-24 → 2024-04-24
    Cancel NAVAREA XII 271/24 and this msg
    Eastern North Pacific · Mexico
  3. HYDROLANT 873/242024-04-24 → 2024-05-01
    Hazardous operation 291900Z apr to 011900Z may in area within ten miles of 23-38.00S 042-27.00W
    Western South Atlantic · Brazil
  4. HYDROPAC 1349/242024-04-24 → 2024-04-24
    Cancel HYDROPAC 1276/24 and this msg
    Sea of Japan · Russia
  5. HYDROLANT 868/242024-04-24 → 2024-04-24
    Cancel HYDROLANT 778/24 and this msg, operations completed
    Eastern South Atlantic · Indian Ocean
  6. HYDROPAC 1341/242024-04-24 → 2024-04-24
    Cancel HYDROPAC 1202/24 and this msg, operations completed
    Eastern South Atlantic · Indian Ocean
  7. HYDROPAC 1340/242024-04-24 → 2024-04-24
    Cancel HYDROPAC 1300/24 and this msg, exercises suspended
    Western North Pacific
  8. HYDROPAC 1339/242024-04-23 → 2024-04-23
    Cancel HYDROPAC 1292/24 and this msg
    Western South Pacific
  9. HYDROPAC 1338/242024-04-23 → 2024-04-23
    Cancel HYDROPAC 1293/24 and this msg
    Western South Pacific · New Zealand
  10. NAVAREA IV 463/242024-04-23 → 2024-04-23
    Cancel NAVAREA IV 455/24 and this msg, operations completed
    Western North Atlantic · Florida
  11. HYDROPAC 1337/242024-04-23 → 2024-04-23
    Cancel HYDROPAC 1299/24 and this msg, operations completed
    Timor Sea · Australia
  12. NAVAREA IV 460/242024-04-23 → 2026-08-14
    All services unreliable at U.S. Coast Guard remote communication facilities at Boston, Charleston, Chesapeake, Miami, New Orleans, and San Juan.
  13. HYDROPAC 1335/242024-04-23 → 2026-08-14
    A United States Coast Guard communication facility in Guam at 13-28.60N 144-50.10E has all services unreliable.
    Western North Pacific · Guam
  14. NAVAREA XII 273/242024-04-23 → 2024-05-08
    All services unreliable at uscg remote communication facilities: a. astoria (w) 46-12.40N 123-57.40W
  15. HYDROARC 60/242024-04-23 → 2024-05-11
    Naval operations 290001 apr to 102359 may in area bound by 60-00.00N 023-00.00W, 60-00.00N 005-00.00E,…
    Norwegian Sea · Norway
  16. HYDROLANT 866/242024-04-23 → 2024-05-11
    Naval operations 290001 apr to 102359 may in area bound by 60-00.00N 023-00.00W, 60-00.00N 005-00.00E,…
    Eastern North Atlantic · North Sea · Norwegian Sea · Norway
  17. HYDROLANT 865/242024-04-23 → 2024-04-23
    Cancel HYDROLANT 772/24 and this msg, operation complete
    Eastern North Atlantic · Western Sahara
  18. HYDROPAC 1332/242024-04-23 → 2024-04-23
    Cancel HYDROPAC 1296/24 and this msg, aid restored
    Arabian Sea · India
  19. HYDROPAC 1327/242024-04-23 → 2024-04-23
    Cancel HYDROPAC 1207/24 and this msg
    Eastern Indian Ocean · Australia
  20. HYDROPAC 1324/242024-04-23 → 2024-04-26
    Fad with rope adrift in 17-10.68S 119-17.57E at 230430Z apr
    Eastern Indian Ocean
  21. HYDROPAC 1319/242024-04-22 → 2026-08-14
    Three people are overboard from the fishing vessel Guifangyu 96822 in the Gulf of Tonkin near 21°03'N 108°21'E on 21 April; ships are asked to assist.
    Gulf of Tonkin · Vietnam
  22. HYDROPAC 1318/242024-04-22 → 2024-04-22
    Cancel HYDROPAC 1306/24 and this msg, assistance received
    Coral Sea · Solomon Islands · Vanuatu
  23. HYDROLANT 853/242024-04-22 → 2026-08-14
    Two vessels collide in the eastern Mediterranean Sea near Sicily at 36-27N 015-15E on April 22 at 0930 UTC; nearby vessels are asked to assist.
    Eastern Mediterranean Sea · Sicily
  24. HYDROLANT 852/242024-04-22 → 2026-08-14
    Fishing gear, marked by buoys and abandoned, is in the Irish Sea off Wales at 53-30.10N 004-12.70W.
    Irish Sea · Wales
  25. HYDROPAC 1317/242024-04-22 → 2024-04-22
    Cancel HYDROPAC 1092/24 and this msg, operations complete
    Bay of Bengal · India
  26. HYDROPAC 1316/242024-04-22 → 2024-04-24
    Hazardous operation 240830Z to 241030Z apr in area bound by 11-50.00N 093-40.00E, 12-00.00N 093-40.00E,…
    Andaman Sea · India
  27. HYDROPAC 1312/242024-04-22 → 2024-04-25
    Fad with rope adrift in 15-06.65S 121-07.30E at 220723Z apr
    Eastern Indian Ocean
  28. HYDROPAC 1308/242024-04-22 → 2024-04-22
    Cancel HYDROPAC 1164/24, 1280/24 and this msg
    Eastern South Pacific · Chile
  29. HYDROLANT 848/242024-04-21 → 2026-08-14
    Sailing vessel Nabucco reports crewman needing medical aid at 27-29.57N 063-08.36W on April 21, 2023. Vessels nearby asked to assist.
    Western North Atlantic
  30. HYDROPAC 1303/242024-04-21 → 2024-04-21
    Cancel HYDROPAC 1262/24 and this msg, vessel located safe
    South China Sea · Indonesia
  31. HYDROPAC 1302/242024-04-21 → 2024-04-21
    Cancel HYDROPAC 1301/24 and this msg, search suspended
    North Pacific
  32. HYDROLANT 847/242024-04-21 → 2024-04-21
    Cancel HYDROLANT 793/24 and this msg, aids restored
    North Sea · England
  33. HYDROPAC 1298/242024-04-20 → 2024-04-20
    Cancel HYDROPAC 1179/24 and this msg, operations completed
    Western South Pacific · New Zealand
  34. HYDROPAC 1297/242024-04-20 → 2024-04-20
    Cancel HYDROPAC 1290/24 and this msg
    Bay of Bengal · India
  35. HYDROPAC 1295/242024-04-20 → 2024-04-23
    Large object partially submerged and adrift in 26-41.40S 153-10.46E at 200319Z apr
    Coral Sea · Australia
  36. NAVAREA XII 269/242024-04-19 → 2024-04-19
    Cancel NAVAREA XII 267/24 and this msg, false alert
    North Pacific
  37. HYDROLANT 839/242024-04-19 → 2024-04-19
    Cancel HYDROLANT 646/24 and this msg, operations completed
    Eastern North Atlantic · Western Sahara
  38. HYDROPAC 1286/242024-04-19 → 2024-04-19
    Cancel HYDROPAC 1284/24 and this msg, vessel assisted
    Eastern Indian Ocean · Australia
  39. NAVAREA IV 444/242024-04-18 → 2024-04-18
    Florida cancel NAVAREA IV 419/24 and this msg, operations completed
    Western North Atlantic
  40. HYDROPAC 1275/242024-04-18 → 2024-04-18
    Cancel HYDROPAC 1194/24 and this msg
    Bay of Bengal · India
  41. HYDROPAC 1272/242024-04-18 → 2024-04-25
    Underwater ordnance detonation 2300Z to 0600Z daily 23 and 24 apr in 13-16.20N 144-22.80E
    Western North Pacific · Guam
  42. HYDROPAC 1269/242024-04-18 → 2024-04-18
    Cancel HYDROPAC 1201/24 and this msg, operations completed
    Eastern South Atlantic · Indian Ocean
  43. HYDROLANT 828/242024-04-18 → 2024-04-18
    Cancel HYDROLANT 777/24 and this msg, operations completed
    Eastern South Atlantic · Indian Ocean
  44. HYDROLANT 826/242024-04-18 → 2024-04-18
    Cancel HYDROLANT 820/24 and this msg, service restored
    Eastern North Atlantic · France
  45. HYDROPAC 1266/242024-04-18 → 2024-04-18
    Cancel HYDROPAC 1199/24 and this msg, search suspended
    Vitiaz Strait · Papua New Guinea
  46. NAVAREA XII 261/242024-04-18 → 2024-04-18
    Cancel NAVAREA XII 247/24 and this msg, services restored
    Bering Sea · Gulf of Alaska · Alaska
  47. NAVAREA IV 441/242024-04-17 → 2024-04-17
    Cancel NAVAREA IV 415/24 and this msg, operations completed
    Western North Atlantic · Bahamas · Florida
  48. HYDROPAC 1265/242024-04-17 → 2024-04-17
    Cancel HYDROPAC 1254/24 and this msg
    Eastern South Pacific · Peru
  49. HYDROLANT 825/242024-04-17 → 2024-04-17
    Cancel HYDROLANT 822/24 and this msg, vessel located safe
    Ionian Sea
  50. HYDROPAC 1262/242024-04-17 → 2024-04-21
    Tug jtn 2012 and barge cel 203 unreported
    South China Sea · Indonesia

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.

Other warnings in 2024 — page 3 · seahazards