| 1 | 8,095 d | War risk | Prior to the september 1991 cease-fire between morocco and the polisario, unprovoked attacks on shipping off… | SPECIAL 89/92 1992-10-16 → 2014-12-16 |
| 2 | 5,050 d | War risk | In the persian gulf, multi-national naval units continue to conduct a maritime operation to intercept the…event | SPECIAL 115/01 2001-02-16 → 2014-12-16 |
| 3 | 5,033 d | War risk | Due to the potential for domestic unrest and anti-foreign violence, U.Sevent | SPECIAL 117/01 2001-03-05 → 2014-12-16 |
| 4 | 4,979 d | War risk | The situation in lebanon remains extremely hazardous, and the danger to U.S | SPECIAL 71/87 1987-07-21 → 2001-03-09 |
| 5 | 2,540 d | War risk | Due to conditions of armed conflict, mariners are advised to avoid the somalian port of mogadishu until… | SPECIAL 88/92 1992-05-27 → 1999-05-12 |
| 6 | 2,320 d | War risk | In the persian gulf, multi-national naval units continue to conduct a maritime operation to intercept the…event | SPECIAL 100/94 1994-10-11 → 2001-02-16 |
| 7 | 2,173 d | War risk | Mariners are advised to exercise extreme caution when in algerian waters Due To Domestic Unrest and Anti-foreign Violence, U.S event | SPECIAL 103/95 1995-03-24 → 2001-03-05 |
| 8 | 2,132 d | War risk | Nga chart 56060 (9TH ed) Eastern Mediterranean Sea · Israel · Mediterranean Sea - Eastern Basin event | HYDROPAC 1561/11 2011-05-25 → 2017-03-27 |
| 9 | 2,132 d | War risk | Nga chart 56060 (9TH ed) Eastern Mediterranean Sea · Israel · Mediterranean Sea - Eastern Basin event | HYDROLANT 881/11 2011-05-25 → 2017-03-27 |
| 10 | 1,103 d | War risk | Part 1 of 2. refer to 246/02 for part 2. 1. summary: the naval interception effort in support of the united… Persian Gulf event | HYDROLANT 245/02 2002-02-01 → 2005-02-08 |
| 11 | 1,103 d | War risk | Part 1 of 2. refer to 206/02 for part 2. 1. summary: the naval interception effort in support of the united… Persian Gulf event | HYDROPAC 205/02 2002-02-01 → 2005-02-08 |
| 12 | 793 d | War risk | Part 1 of 2. refer to 231/97 for part 2. revision note: this revision contains numerous changes Persian Gulf event | NAVAREA IV 230/97 1997-06-24 → 1999-08-27 |
| 13 | 793 d | War risk | Part 1 of 2. refer to 917/97 for part 2. revision note: this revision contains numerous changes Persian Gulf event | HYDROLANT 916/97 1997-06-24 → 1999-08-27 |
| 14 | 793 d | War risk | Part 1 of 2. refer to 211/97 for part 2. revision note: this revision contains numerous changes Persian Gulf event | NAVAREA XII 210/97 1997-06-24 → 1999-08-27 |
| 15 | 793 d | War risk | Part 1 of 2. refer to 507/97 for part 2. revision note: this revision contains numerous changes Persian Gulf event | HYDROPAC 506/97 1997-06-24 → 1999-08-27 |
| 16 | 758 d | War risk | The outbreak of fighting between ethiopia and eritrea may result in a threat to maritime interests in the… | SPECIAL 109/99 1999-02-17 → 2001-03-16 |
| 17 | 542 d | War risk | On 24 apr, terrorists conducted suicide attacks in small boats against abot and a coalition warship in the… Persian Gulf | HYDROPAC 795/04 2004-05-03 → 2005-10-27 |
| 18 | 498 d | War risk | Serbia-montenegro: the department of state has issued a travel warning for serbia-montenegro (the federal… Adriatic Sea | SPECIAL 110/99 1999-04-15 → 2000-08-26 |
| 19 | 364 d | War risk | Part 1 of 2. refer to 171/01 for part 2. 1. summary: the naval interception effort in support of the united… Persian Gulf event | HYDROPAC 170/01 2001-02-01 → 2002-02-01 |
| 20 | 364 d | War risk | Part 1 of 2. refer to 385/01 for part 2. 1. summary: the naval interception effort in support of the united… Persian Gulf event | HYDROLANT 384/01 2001-02-01 → 2002-02-01 |
| 21 | 364 d | War risk | Part 1 of 2. refer to 50/00 for part 2. revision note: this revision contains numerous changes Persian Gulf event | NAVAREA IV 49/00 2000-02-03 → 2001-02-02 |
| 22 | 364 d | War risk | Part 1 of 2. refer to 39/00 for part 2. revision note: this revision contains numerous changes Persian Gulf event | NAVAREA XII 38/00 2000-02-03 → 2001-02-02 |
| 23 | 364 d | War risk | Part 1 of 2. refer to 418/00 for part 2. revision note: this revision contains numerous changes Persian Gulf event | HYDROLANT 417/00 2000-02-03 → 2001-02-01 |
| 24 | 364 d | War risk | Part 1 of 2. refer to 217/00 for part 2. revision note: this revision contains numerous changes Persian Gulf event | HYDROPAC 216/00 2000-02-03 → 2001-02-01 |
| 25 | 180 d | War risk | Maritime advisory 2017-002 U.S | NAVAREA XII 136/17 2017-03-27 → 2017-09-24 |
| 26 | 180 d | War risk | Maritime advisory 2017-002 U.S | NAVAREA IV 252/17 2017-03-27 → 2017-09-24 |
| 27 | 180 d | War risk | Maritime advisory 2017-002 U.S | HYDROARC 44/17 2017-03-27 → 2017-09-24 |
| 28 | 174 d | War risk | Red sea, bab-el-mandeb strait and gulf of aden 1. commercial vessels in the region of the red sea, bab el… | SPECIAL 134/16 2016-10-03 → 2017-03-27 |
| 29 | 128 d | War risk | Nga chart 56060 (9TH ed) Eastern Mediterranean Sea · Israel · Mediterranean Sea - Eastern Basin event | NAVAREA XII 203/11 2011-05-25 → 2011-10-01 |
| 30 | 128 d | War risk | Nga chart 56060 (9TH ed) Eastern Mediterranean Sea · Israel · Mediterranean Sea - Eastern Basin event | NAVAREA IV 179/11 2011-05-25 → 2011-10-01 |
| 31 | 70 d | War risk | Iraqi paramilitary forces have conducted a number of attacks in direct violation of the law of armed conflict | HYDROPAC 556/03 2003-03-27 → 2003-06-06 |
| 32 | 66 d | War risk | Unmanned seven meter saildrone activity in progress until 31 dec in vicinity of gulf of aqaba (28-59.00N… Arabian Sea · Red Sea · Gulf of Aden · Jordan To Oman | HYDROPAC 3011/22 2022-10-26 → 2023-01-01 |
| 33 | 63 d | War risk | The threat to maritime vessels is likely to increase as various extremist groups anticipate U.S | NAVAREA IV 370/01 2001-09-21 → 2001-11-24 |
| 34 | 63 d | War risk | The threat to maritime vessels is likely to increase as various extremist groups anticipate U.S | HYDROLANT 2518/01 2001-09-21 → 2001-11-24 |
| 35 | 63 d | War risk | The threat to maritime vessels is likely to increase as various extremist groups anticipate U.S | NAVAREA XII 270/01 2001-09-21 → 2001-11-24 |
| 36 | 63 d | War risk | The threat to maritime vessels is likely to increase as various extremist groups anticipate U.S | HYDROPAC 1517/01 2001-09-21 → 2001-11-24 |
| 37 | 54 d | War risk | Nga chart 56220 (4TH ed) Eastern Mediterranean Sea · Libya · Mediterranean Sea - Eastern Basin | HYDROLANT 771/11 2011-05-06 → 2011-06-30 |
| 38 | 49 d | War risk | This marad advisory provides guidance to vessels transiting subject waters Strait of Hormuz · Southern Arabian Gulf · Western Gulf of Oman | HYDROPAC 2509/10 2010-11-19 → 2011-01-08 |
| 39 | 48 d | War risk | The israeli navy is operating in the maritime zone off the coast of the gaza strip in area bound by… Mediterranean Sea - Eastern Basin | HYDROLANT 43/09 2009-01-07 → 2009-02-24 |
| 40 | 44 d | War risk | Controlled vessels and other maritime interests U.S | HYDROPAC 1551/08 2008-08-14 → 2008-09-27 |
| 41 | 44 d | War risk | Controlled vessels and other maritime interests U.S | NAVAREA XII 325/08 2008-08-14 → 2008-09-27 |
| 42 | 44 d | War risk | Controlled vessels and other maritime interests U.S | HYDROLANT 1328/08 2008-08-14 → 2008-09-27 |
| 43 | 44 d | War risk | Controlled vessels and other maritime interests U.S | NAVAREA IV 314/08 2008-08-14 → 2008-09-27 |