Other warnings in the North Atlantic Ocean

Everything the classifier did not place elsewhere.

in force
1
last 12 months
1
vs previous 12 (1)
0%
since 1996
1,267

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 2024–2026 are under-counted.

In force now · 1

  1. NAVAREA XII 486/26in force2026-07-16
    U.S. Coast Guard remote communication facility in Honolulu has unreliable transmissions; broadcasts moved to Guam, DSC responses to Point Reyes.
    North Pacific · Hawaii

Longest in force

  1. NAVAREA XII 486/26in force2026-07-16 · 36 d
    U.S. Coast Guard remote communication facility in Honolulu has unreliable transmissions; broadcasts moved to Guam, DSC responses to Point Reyes.
    North Pacific · Hawaii

By year

96
98
99
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
26

By month (all years)

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

Other hazards in the North Atlantic Ocean

Archive · 1,266 cancelled

  1. HYDROLANT 2402/092009-12-10 → 2009-12-19
    S/V aphrodite reports person requiring medical assistance in 19-18N 052-25W
  2. HYDROLANT 2370/092009-12-05 → 2009-12-19
    S/V great escape reports crewman requiring medical assistance in 14-46N 049-15W
  3. HYDROLANT 2151/092009-11-05 → 2009-11-14
    S/V tieto passion, unable to raise sail and is running low on diesel fuel 21-31.54N 052-04.79W to yucatan…
  4. HYDROLANT 2006/092009-10-17 → 2009-11-07
    Aircraft reported possible flare or explosion vicinity 21-00N 042-40W
  5. HYDROLANT 1891/092009-10-01 → 2009-12-20
    Nga chart 51225 (3RD ed)
  6. HYDROLANT 1344/092009-07-19 → 2009-07-20
    Ordnance drop exercises 191015Z to 191245Z and 200845Z to 201115Z jul within 15 miles of 47-20-58N 007-36-44W
  7. HYDROLANT 1146/092009-06-20 → 2009-06-22
    Nga chart 35071 (1ST ed)
  8. HYDROLANT 1102/092009-06-15 → 2009-06-18
    Nga chart 51223 (2ND ed)
  9. HYDROLANT 953/092009-05-23 → 2009-05-24
    Nga chart 35071 (1ST ed)
  10. HYDROLANT 796/092009-04-30 → 2009-12-14
    Nga chart 51225 (3RD ed)
  11. HYDROLANT 677/092009-04-09 → 2009-04-19
    Geophysical operations 10 thru 18 apr by M/V kommandor jack along trackline joining 34-03.31N 010-35.88W,…
  12. HYDROLANT 614/092009-03-30 → 2009-04-09
    Geophysical operations 01 thru 10 apr by M/V kommandor jack along trackline joining 34-03.31N 010-35.88W,…
  13. HYDROLANT 607/092009-03-28 → 2009-04-02
    Bombing exercises: a. 300800Z to 301500Z mar in area between 37-50-00N 38-10-00N and 006-47-00E 008-32-18E
  14. NAVAREA IV 34/092009-02-10 → 2009-11-14
    Nga chart 24400 (1ST ed)
  15. HYDROLANT 180/092009-01-26 → 2009-02-02
    Odas buoy reported adrift in 58-08.0N 007-15.8W at 260830Z jan
  16. HYDROLANT 132/092009-01-21 → 2009-01-22
    Odas buoy reported adrift in 57-20.0N 008-18.2W at 210800Z jan
  17. HYDROLANT 56/092009-01-09 → 2009-02-23
    Nga chart 51225 (3RD ed)
  18. HYDROLANT 2148/082008-12-13 → 2008-12-16
    Dsc station collafirth hill 60-32N 001-23W at reduced power
  19. HYDROLANT 1930/082008-11-10 → 2008-11-19
    Nga chart 51300 (4TH)
  20. HYDROLANT 1906/082008-11-06 → 2008-11-19
    M/V sydpolen reports sick crewman requiring medical assistance in 04-50N 044-18W at 051245Z nov
  21. HYDROLANT 1833/082008-10-30 → 2008-11-10
    Nga chart 51240 (2ND ed)
  22. HYDROLANT 1700/082008-10-13 → 2008-11-05
    Nga chart 51225 (3RD ed)
  23. NAVAREA IV 408/082008-10-08 → 2008-10-16
    Container half submerged and adrift in 37-01N 035-32W at 081250Z oct
  24. HYDROLANT 1668/082008-10-08 → 2008-10-16
    Container half submerged and adrift in 37-01N 035-32W at 081250Z oct
  25. NAVAREA IV 383/082008-09-18 → 2008-09-25
    Lanby ya 2 reported adrift in 32-58N 046-33W at 181400Z sep
  26. HYDROLANT 1456/082008-09-09 → 2008-09-09
    Tor ness light 58-46.7N 003-17.6W at reduced intensity
  27. NAVAREA IV 297/082008-07-30 → 2008-08-06
    Odas buoy 41001 adrift in 36-23.5N 068-48.5W
  28. HYDROLANT 1184/082008-07-16 → 2008-07-18
    Uderwater operations in progress until 17 jul by M/V marion dufresne within one mile of 47-27.12N 008-27.03W
  29. NAVAREA IV 257/082008-07-03 → 2008-08-01
    Pipelaying operations in progress until 31 jul by M/V solitaire and M/V highland navigator along trackline…
  30. HYDROLANT 1070/082008-06-29 → 2008-07-12
    M/V trust thalassa reports crewman requiring medical assistance in 08-11N 024-05W
  31. HYDROLANT 956/082008-06-09 → 2008-06-21
    S/V motus crew abandoning ship in 40-05.3N 043-57.7W
  32. HYDROLANT 848/082008-05-19 → 2008-05-28
    Nga chart 51223 (2ND ed)
  33. NAVAREA IV 173/082008-05-10 → 2008-06-11
    Geophysical operations in progress until 10 jun by M/V ocean pioneer along trackline joining 11-07.13N…
  34. HYDROLANT 682/082008-04-21 → 2008-06-07
    M/V iryda reports crewman requiring medical assistance in 04-44.9N 027-04.0W at 211310Z apr
  35. NAVAREA IV 153/082008-04-20 → 2008-04-21
    Radar target reported 42-57N 051-34W
  36. HYDROLANT 542/082008-03-31 → 2008-06-10
    Navigation prohibited until further notice in area bound by 30-30.2N 009-41.2W, 30-26.6N 009-39.4W, 30-26.6N…
  37. HYDROLANT 541/082008-03-31 → 2008-04-04
    Navigation prohibited until further notice in area bound by 33-32.4N 007-47.7W, 33-35.5N 007-48.6W, 33-39.9N…
  38. HYDROLANT 430/082008-03-12 → 2008-04-26
    M/V semyon lapshenkov reports crewman requiring medical assistance in 56-52N 016-21W
  39. NAVAREA IV 66/082008-02-13 → 2008-02-16
    Radar target reported vicinity 49-35.9N 050-25.3W at 131721Z feb
  40. NAVAREA IV 382/072007-12-18 → 2007-12-25
    Odas buoy 41046 adrift in 23-59.55N 070-59.38W
  41. HYDROLANT 2032/072007-12-07 → 2007-12-24
    Navigation prohibited 08 dec until further notice in area bound by 33-32.4N 007-47.7W, 33-35.5N 007-48.6W,…
  42. HYDROLANT 1984/072007-11-29 → 2007-11-30
    M/V aa big one reports crewman with serious burns requiring medical assistance in 23-29.8N 033-28.9W
  43. HYDROLANT 1805/072007-10-30 → 2007-11-13
    Nga chart 51240 (2ND ed)
  44. HYDROLANT 1732/072007-10-15 → 2007-10-23
    Nga chart 51225 (3RD ed)
  45. HYDROLANT 1625/072007-09-24 → 2007-11-13
    Navigation prohibited until further notice in area bound by 33-32.4N 007-47.7W, 33-35.5N 007-48.6W, 33-39.9N…
  46. HYDROLANT 1561/072007-09-09 → 2007-12-02
    M/V alcyon reports crewman requiring medical assistance in 10-22N 019-20W at 090016Z sep
  47. HYDROLANT 1544/072007-09-06 → 2007-12-02
    Navigation prohibited 070700Z until further notice in area bound by 33-32.4N 007-47.7W, 33-35.5N 007-48.6W,…
  48. HYDROLANT 1437/072007-08-18 → 2007-08-20
    F/V salmo X reports crewman requiring medical assistance in 02-29N 048-29W
  49. HYDROLANT 1328/072007-07-29 → 2007-10-21
    M/V lng benue requiring medical assistance in 11-28.5N 033-55.0W, heading 286 degrees 21 knots at 292042Z jul
  50. HYDROLANT 1322/072007-07-27 → 2007-07-30
    Nga chart 52039 (4TH ed)

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 the North Atlantic Ocean — page 15 · seahazards