1 25,165 d Navigational warnings broadcast by nga are normally divided into categories, hydrolants and hydropacs (1),…
SPECIAL 1/48
1948-05-27 → 2017-04-20
2 8,970 d Bougainville island declared unilateral independence from papua new guinea may 17, 1990
SPECIAL 77/90
1990-05-25 → 2014-12-16
3 8,947 d Mariners are advised to use caution when sailing near the coast of liberia
SPECIAL 92/92
1992-12-03 → 2017-06-02
4 8,872 d Due to unsettled relations between the united states government and the government of libya, U.S
SPECIAL 81/90
1990-08-31 → 2014-12-16
5 8,872 d Mariners are advised to exercise caution within the territorial waters claimed by morocco U.S
SPECIAL 82/90
1990-08-31 → 2014-12-16
6 8,095 d 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
7 7,830 d Effective 4 october 1977 guyana intends to enforce its 200-MILE fishery zone
NAVAREA IV 2524/77
1977-10-03 → 1999-03-13
8 7,437 d The department of state advises in an effort to control the flow of contraband, effective november 1, the…
NAVAREA IV 2528/78
1978-10-31 → 1999-03-13
9 6,719 d Mine clearance work in the area of the falkland islands has now been completed and other hazards to shipping…
HYDROLANT 1535/82
1982-09-10 → 2001-02-02
10 6,545 d Mariners are advised to be alert to unusual, abnormal or hostile activities by pirates (especially during…
NAVAREA IV 846/81
1981-04-10 → 1999-03-13
11 6,475 d Mariners are cautioned that the government of guinea is particularly sensitive to unauthorized fishing…
HYDROLANT 1893/81
1981-12-04 → 1999-08-27
12 6,247 d Sri lanka has announced that entrance by unauthorized vessels into the waters of palk strait and the eastern…
SPECIAL 107/97
1997-12-01 → 2015-01-09
13 6,021 d Reports of vessels being boarded by armed pirates off lagos harbor continue
HYDROLANT 344/83
1983-03-02 → 1999-08-27
14 6,003 d Sub-surface accoustic current meters array (depth 100 meter) established in 21-38N
NAVAREA IV 2929/82
1982-10-04 → 1999-03-13
15 5,922 d Mariners are strongly advised not to use any ports in sierra leone except for the port of freetown, which is…
SPECIAL 119/01
2001-03-16 → 2017-06-02
16 5,901 d In january 1996 the department of state warned all U.S
SPECIAL 108/98
1998-10-20 → 2014-12-16
17 5,658 d Seismic survey in progress by M/V gardline locator within 3 miles of 53-04.0N Leman Gas Field To Deep Water Route
HYDROLANT 2251/83
1983-12-06 → 1999-06-04
18 5,633 d Special warnings, primarily intended to announce official government proclamations affecting shipping, are…
SPECIAL 0/83
1983-12-31 → 1999-06-04
19 5,233 d Mariners operating small vessels such as yachts and fishing boats should note that nicaragua has boundary…
SPECIAL 95/94
1994-02-10 → 2008-06-10
20 5,050 d 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
21 5,033 d Mariners calling on pakistan are advised that levels of sectarian and factional violence remain high
SPECIAL 116/01
2001-03-05 → 2014-12-16
22 5,033 d Due to the potential for domestic unrest and anti-foreign violence, U.S
event SPECIAL 117/01
2001-03-05 → 2014-12-16
23 5,029 d Department of state warns U.S The U.S
SPECIAL 118/01
2001-03-09 → 2014-12-16
24 4,979 d The situation in lebanon remains extremely hazardous, and the danger to U.S
SPECIAL 71/87
1987-07-21 → 2001-03-09
25 4,423 d As of early 2005, the united states government has received unconfirmed information that terrorists may…
SPECIAL 122/05
2005-03-11 → 2017-04-20
26 4,289 d Coalition naval forces may conduct military operations in the eastern mediterranean sea, red sea, gulf of…
SPECIAL 121/03
2003-03-20 → 2014-12-16
27 4,178 d Due to continuing conditions of armed conflict and lawlessness in somalia and waters off its coast, mariners…
SPECIAL 123/05
2005-11-11 → 2017-04-20
28 3,630 d Practice minefield established until further notice in area bound by 24-54N 54-24E, 24-54N 54-30E, 24-47N…
HYDROPAC 1218/90
1990-11-02 → 2000-10-11
29 3,605 d Current meter buoy, orange, ra ref, established in 48-55-14N 52-48-10W
NAVAREA IV 613/89
1989-04-28 → 1999-03-13
30 3,440 d On 12 oct 2000, several U.S The Level of Risk For Foreigners In Yemen Remains High
SPECIAL 113/00
2000-10-13 → 2010-03-16
31 3,225 d The state department advises that the risk of acts of international terrorism in europe and the middle east…
HYDROPAC 1191/90
1990-10-27 → 1999-08-27
32 3,006 d Scientific mooring F3-4 in 78-50.33N 007-56.16E Greenland Sea
HYDROARC 3/03
2003-02-26 → 2011-05-21
33 2,690 d Scientific moorings established: a. BC1 in 71-03.12N 159-32.54W Arctic Ocean
HYDROARC 3/04
2004-01-08 → 2011-05-21
34 2,690 d Scientific moorings established: a. BS7 in 71-34.07N 151-54.82W Beaufort Sea
HYDROARC 4/04
2004-01-08 → 2011-05-21
35 2,690 d Scientific moorings established: a. arpw in 71-41.34N 152-32.69W Beaufort Sea
HYDROARC 5/04
2004-01-08 → 2011-05-21
36 2,690 d Scientific moorings established: a. BS4 in 71-26.29N 152-00.72W Beaufort Sea
HYDROARC 6/04
2004-01-08 → 2011-05-21
37 2,561 d Mariners are advised that the following hazardous conditions may exist when operating in the vicinity of the…
HYDROPAC 908/92
1992-08-21 → 1999-08-27
38 2,540 d 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
39 2,465 d Scientific moorings established 04 aug: a. KS01 in 80-33.47N 068-54.46W Baffin Bay
HYDROARC 4/03
2003-10-02 → 2010-07-02
40 2,465 d Scientific moorings established 05 aug: a. KS05 in 80-31.14N 068-34.81W Baffin Bay
HYDROARC 5/03
2003-10-02 → 2010-07-02
41 2,465 d Scientific moorings established 06 aug: a. KS16 in 80-45.93N 068-48.82W Baffin Bay
HYDROARC 6/03
2003-10-02 → 2010-07-02
42 2,431 d Beaufort Sea Arctic · Beaufort Sea
HYDROARC 56/10
2010-08-11 → 2017-04-07
43 2,405 d Scientific moorings established in 89-27.29N 054-19.74E Arctic Ocean
HYDROARC 7/04
2004-10-18 → 2011-05-21
44 2,375 d Due to continuing conditions of armed conflict in somalia and its territorial waters, mariners are advised…
SPECIAL 111/99
1999-05-12 → 2005-11-11
45 2,367 d Scientific moorings established in: a. 81-18.41N 061-48.82W Baffin Bay
HYDROARC 1/04
2004-01-08 → 2010-07-02
46 2,367 d Scientific moorings established in: a. 78-54.31N 075-48.39W Baffin Bay
HYDROARC 2/04
2004-01-08 → 2010-07-02
47 2,360 d Unexploded ordnance reported in 39-51.3N 08-26.6E
HYDROLANT 2191/94
1994-12-21 → 2001-06-07
48 2,356 d Chuchki Sea Arctic · Arctic Ocean
HYDROARC 103/10
2010-10-25 → 2017-04-07
49 2,356 d B. 70-19.937N 133-44.458W Arctic · Beaufort Sea · Beaufort Sea
HYDROARC 102/10
2010-10-25 → 2017-04-07
50 2,351 d B. 70-03.51N 133-43.03W Arctic · Beaufort Sea · Beaufort Sea
HYDROARC 193/12
2012-09-29 → 2019-03-08
51 2,322 d Nampo Shoto Western North Pacific · Philippine Sea
event HYDROPAC 1222/12
2012-04-29 → 2018-09-07
52 2,320 d 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
53 2,285 d Beaufort Sea Canada-north Coast · The Northwestern Passages
HYDROARC 112/12
2012-08-06 → 2018-11-08
54 2,222 d Scientific moorings established in: a. M01-04 65-42-08.4N 168-15-14.7W Chukchi Sea
HYDROARC 1/05
2005-04-19 → 2011-05-21
55 2,183 d Mariners calling on pakistan are advised that levels of sectarian and factional violence remain high
SPECIAL 102/95
1995-03-14 → 2001-03-05
56 2,173 d 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
57 2,132 d Nga chart 56060 (9TH ed) Eastern Mediterranean Sea · Israel · Mediterranean Sea - Eastern Basin
event HYDROPAC 1561/11
2011-05-25 → 2017-03-27
58 2,132 d Nga chart 56060 (9TH ed) Eastern Mediterranean Sea · Israel · Mediterranean Sea - Eastern Basin
event HYDROLANT 881/11
2011-05-25 → 2017-03-27
59 2,132 d Scientific mooring established in 89-15.173N 064-41.509E Arctic Ocean
HYDROARC 3/05
2005-07-18 → 2011-05-21
60 2,097 d Mariners are advised to exercise extreme caution when transiting the waters of the north persian gulf
SPECIAL 104/95
1995-05-11 → 2001-02-05
61 2,020 d Scientific mooring adrift vicinity 89-07.7N 035-45.9E at 091400Z dec Arctic Ocean
HYDROARC 9/04
2004-12-21 → 2010-07-04
62 2,017 d Commencing 1 august 1993, worldwide NAVTEX service of maritime safety information (msi) broadcasts under the…
HYDROPAC 850/93
1993-09-02 → 1999-03-13
63 1,988 d Maritime smuggling of undocumented aliens has dramatically increased Smuggling
NAVAREA IV 245/94
1994-03-17 → 1999-08-27
64 1,988 d Maritme smuggling of undocumented aliens has dramatically increased Smuggling
NAVAREA XII 187/94
1994-03-17 → 1999-08-27
65 1,934 d Punta Zapotitlan light at 18-31.5N 094-48.1W in Bay of Campeche, Mexico is unreliable. Bay of Campeche · Mexico · Gulf of Mexico
NAVAREA IV 346/21
2021-04-27 → 2026-08-14
66 1,932 d Nga chart 96800 (4TH ed) Kuril Islands · Ostrov Urup · Sea of Okhotsk
HYDROPAC 3552/11
2011-12-20 → 2017-04-05
67 1,917 d Cancel HYDROLANT 1883/12 Black Sea · Georgia · Black Sea
HYDROLANT 1390/13
2013-06-05 → 2018-09-05
68 1,909 d Mariners are advised to avoid the vicinity of the hanish islands (jazirat al hanish al kabir and jazirat al… Red Sea
SPECIAL 105/95
1995-12-08 → 2001-02-28
69 1,907 d Nga chart 24290 (3RD ed) South Atlantic Ocean
HYDROLANT 1354/08
2008-08-20 → 2013-11-09
70 1,899 d GPS is unreliable near Malta (35-53N 014-27E), and HYDROLANT 2442/20 is cancelled. Eastern Mediterranean Sea · Malta · Mediterranean Sea - Eastern Basin
HYDROLANT 1484/21
2021-06-02 → 2026-08-14
71 1,882 d Jrcc halifax inmarsat-c off air until further notice Western North Atlantic · Nova Scotia · Radio Services
HYDROARC 220/12
2012-10-17 → 2017-12-13
72 1,865 d Scientific moorings established in: a. OSL-1 80-21.890N 101-26.064E Laptev Sea
HYDROARC 1/06
2006-05-23 → 2011-07-02
73 1,865 d Scientific moorings established in: a. M1-D 78-26.637N 125-40.194E Laptev Sea
HYDROARC 2/06
2006-05-23 → 2011-07-02
74 1,863 d Nga chart 24270 (3RD ed) South Atlantic Ocean
HYDROLANT 1463/08
2008-09-10 → 2013-10-18
75 1,858 d Discolored water reported near 24-48.8N 141-19.2E in the Philippine Sea, Japan, at 130800Z July. Philippine Sea · Japan · Philippine Sea
event HYDROPAC 2027/21
2021-07-13 → 2026-08-14
76 1,844 d Citizens of the high security threat level in yemen due to terrorist activities and recommends postponing… The Department of State Warns U.S
event SPECIAL 125/10
2010-03-16 → 2015-04-04
77 1,823 d Scientific mooring established in 71-00N 134-00W Beaufort Sea
HYDROARC 3/06
2006-05-23 → 2011-05-21
78 1,806 d A 23.8-meter shoal exists in Queen Maud Gulf, Canada at 68-58.95N 101-08.32W; previous warning canceled. Queen Maud Gulf · Canada · The Northwestern Passages
event HYDROARC 207/21
2021-09-02 → 2026-08-14
79 1,806 d A 13.7 meter shoal is located in Queen Maud Gulf at 69-01.48N 100-58.36W. Queen Maud Gulf · Canada · The Northwestern Passages
event HYDROARC 208/21
2021-09-02 → 2026-08-14
80 1,776 d Lighted platform, mo(u) 15 sec established in 40-56S 57-17W
HYDROLANT 823/94
1994-05-01 → 1999-03-13
81 1,772 d North Sea North Sea
HYDROLANT 641/12
2012-03-22 → 2017-01-27
82 1,752 d NAVTEX station Karachi in Pakistan is inoperative; broadcasts shifted to SafetyNet, with warnings available on Paknavy website. Arabian Sea · Pakistan · Arabian Sea
HYDROPAC 3082/21
2021-10-27 → 2026-08-14
83 1,752 d In the eastern Caribbean Sea, Guadeloupe, Iles de Petite Terre light at 16-10.2N 061-06.5W is unlit. Eastern Caribbean Sea · Guadeloupe · Caribbean Sea
HYDROLANT 2647/21
2021-10-27 → 2026-08-14
84 1,718 d Chuckchi Sea Arctic · Arctic Ocean
HYDROARC 131/14
2014-07-22 → 2019-04-05
85 1,714 d Bottom scientific mooring established 78-27.994N 125-40.909E Arctic Ocean
HYDROARC 30/06
2006-10-21 → 2011-07-02
86 1,714 d Bottom scientific mooring established 76-30N 126-00E Laptev Sea
HYDROARC 31/06
2006-10-21 → 2011-07-02
87 1,714 d Bottom scientific mooring established 78-30N 142-00E Arctic Ocean
HYDROARC 32/06
2006-10-21 → 2011-07-02
88 1,714 d Bottom scientific mooring established 79-55.717N 142-21.812E Arctic Ocean
HYDROARC 33/06
2006-10-21 → 2011-07-02
89 1,714 d Bottom scientific mooring established 80-57.746N 105-00.225E Arctic Ocean
HYDROARC 34/06
2006-10-21 → 2011-07-02
90 1,714 d Bottom scientific mooring established 81-33.761N 030-55.390E Arctic Ocean
HYDROARC 35/06
2006-10-21 → 2011-07-02
91 1,707 d Jrcc halifax inmarsat-b: 3316 99943 unusable Western North Atlantic · Nova Scotia · Radio Services
NAVAREA IV 286/12
2012-06-01 → 2017-02-03
92 1,699 d Lights unlit: 1. zaliv chayvo 52-21.5N 143-11.4E Sakhalin-east Coast · Sea of Okhotsk
HYDROPAC 1555/12
2012-06-04 → 2017-01-28
93 1,676 d Navigation prohibited within two miles New Zealand-northeast Coast · Bay of Plenty · Astrolabe Reef · South Pacific Ocean
event HYDROPAC 1824/12
2012-06-27 → 2017-01-28
94 1,675 d Kara Sea Arctic · Kara Sea
HYDROARC 160/11
2011-09-07 → 2016-04-09
95 1,673 d Scientific mooring established in 75-00.242N 149-57.742W Arctic Ocean
HYDROARC 4/06
2006-10-21 → 2011-05-21
96 1,673 d Scientific mooring established in 78-00.967N 149-51.544W Arctic Ocean
HYDROARC 5/06
2006-10-21 → 2011-05-21
97 1,673 d Bottom scientific mooring, top float 50 meters established in 76-59.457N 139-58.407W Arctic Ocean
HYDROARC 6/06
2006-10-21 → 2011-05-21
98 1,673 d Bottom scientific mooring, top float 50 meters established in 71-46.506N 131-52.711W Beaufort Sea
HYDROARC 7/06
2006-10-21 → 2011-05-21
99 1,673 d Bottom scientific mooring, top float 48 meters established in 72-34.680N 127-27.174W Beaufort Sea
HYDROARC 9/06
2006-10-21 → 2011-05-21
100 1,672 d Bottom scientific mooring established 71-49.676N 131-45.663W Beaufort Sea
HYDROARC 36/06
2006-10-21 → 2011-05-21