Bay of Bengal
IHO sea area 43 · 79° to 95° E, 6° to 24° N
- in force
- 4
- last 12 months
- 45
- since 1999
- 3,610
- categories
- 12
In force now · 4
- HYDROPAC 2326/26 · Exercises2026-08-13Hazardous operations are being conducted daily in the Bay of Bengal, India, from 17 to 26 August, 01:30Z to 14:30Z, within a specified area.
- HYDROPAC 2187/26 · Exercises2026-07-31Hazardous operations occur daily from 0001Z to 1600Z August 1-31 except Fridays and Saturdays in four areas of the Bay of Bengal, Bangladesh.
- HYDROPAC 1931/26 · Nav aids2026-07-06The radar beacon at Dolphin Nose Light in Bay of Bengal at 17-40.50N 083-17.70E is inoperative.
- HYDROPAC 1237/26 · Nav aids2026-04-24A buoy is established in the Bay of Bengal off India at 14-05.21N 080-28.50E.
Longest in force
- HYDROPAC 1237/26 · Nav aids2026-04-24A buoy is established in the Bay of Bengal off India at 14-05.21N 080-28.50E.
- HYDROPAC 1931/26 · Nav aids2026-07-06The radar beacon at Dolphin Nose Light in Bay of Bengal at 17-40.50N 083-17.70E is inoperative.
- HYDROPAC 2187/26 · Exercises2026-07-31Hazardous operations occur daily from 0001Z to 1600Z August 1-31 except Fridays and Saturdays in four areas of the Bay of Bengal, Bangladesh.
- HYDROPAC 2326/26 · Exercises2026-08-13Hazardous operations are being conducted daily in the Bay of Bengal, India, from 17 to 26 August, 01:30Z to 14:30Z, within a specified area.
By year
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
25
26
By month (all years)
J
F
M
A
M
J
J
A
S
O
N
D
By category · since 1997
| Exercises | 2,263 | 63% |
| Surveys | 358 | 10% |
| Cable ops | 311 | 9% |
| Nav aids | 205 | 6% |
| Derelicts | 201 | 6% |
| Missiles | 127 | 4% |
| Other | 77 | 2% |
| Wrecks | 38 | 1% |
| Debris | 11 | 0% |
| Containers | 11 | 0% |
| Piracy | 7 | 0% |
| Towing | 1 | 0% |
Archive · 3,606 cancelled
- HYDROPAC 1060/04 · Nav aids2004-06-25 → 2004-07-23Bhimunipatnam light 17-53.7N 083-27.1E unlit
- HYDROPAC 1043/04 · Nav aids2004-06-23 → 2004-06-26Dgps station at nagappattinam light 10-45.8N 079-50.9E off air 260030Z to 261230Z jun
- HYDROPAC 1028/04 · Cable ops2004-06-21 → 2004-07-01Seismic survey in progress until 30 jun by M/V c-explorer towing 6000 meter long cable in area bound by…
- HYDROPAC 1027/04 · Exercises2004-06-21 → 2004-06-24Hazardous operations 240530Z to 240730Z jun within 11 miles of 13-07.3N 080-18.1E
- HYDROPAC 1006/04 · Nav aids2004-06-17 → 2004-07-01Krishnapatnam dgps station 14-15.2N 080-07.7E off air 20 thru 30 jun
- HYDROPAC 985/04 · Exercises2004-06-14 → 2004-06-17Hazardous operations 170230Z to 170530Z and 171230Z to 171430Z jun in area bound by 17-42.2N 083-18.6E,…
- HYDROPAC 975/04 · Exercises2004-06-10 → 2004-06-12Hazardous operations 120030Z to 121230Z jun in area bound by 19-14.6N 084-53.6E, 19-11.6N 084-51.4E,…
- HYDROPAC 974/04 · Exercises2004-06-10 → 2004-06-14Hazardous operations 0430Z to 1030Z daily 12 thru 14 jun in area bound by: 21-22.1N 086-56.4E, 21-16.2N…
- HYDROPAC 973/04 · Cable ops2004-06-10 → 2004-07-01Seismic survey in progress until 30 jun by M/V akademik nemchinov towing three 3000 meter long cables in…
- HYDROPAC 965/04 · Nav aids2004-06-07 → 2004-07-23Antarvedi dgps station 16-19.0N 081-43.6E changed to: 320 khz
- HYDROPAC 964/04 · Exercises2004-06-07 → 2004-06-10Hazardous operations 100400Z to 100800Z jun in area bound by 17-28N 083-43E, 17-43N 083-56E, 17-28N 084-16E,…
- HYDROPAC 911/04 · Other2004-05-27 → 2004-07-03M/V marivic reports crewman with head injury in 06-04.5N 087-39.6E at 270815Z may
- HYDROPAC 904/04 · Wrecks2004-05-26 → 2005-06-22Dangerous wreck in 22-09.0N 091-37.8E
- HYDROPAC 879/04 · Cable ops2004-05-21 → 2004-06-22Seismic survey in progress until 21 jun by M/V cgg amadeus towing eight 5000 meter long cables in area bound…
- HYDROPAC 871/04 · Exercises2004-05-19 → 2004-05-21Hazardous operations 210030Z to 211230Z may in area bound by 19-14.6N 084-53.7E, 19-10.5N 085-01.0E,…
- HYDROPAC 866/04 · Nav aids2004-05-18 → 2004-05-24Dgps station at nagappattinam light 10-45.8N 079-50.9E off air
- HYDROPAC 858/04 · Nav aids2004-05-16 → 2004-06-04Dgps station at sagar island light 21-39.4N 088-02.9E off air 17 may thru 03 jun
- HYDROPAC 840/04 · Surveys2004-05-12 → 2004-10-17Underwater operations in progress until 16 oct along trackline between 16-57N 082-34E and 17-07N 082-43E
- HYDROPAC 829/04 · Nav aids2004-05-10 → 2004-05-29Dgps station at paradip light 20-15.3N 086-39.4E off air 12 thru 28 may
- HYDROPAC 808/04 · Exercises2004-05-05 → 2004-05-09Gunnery exercises 0030Z to 1230Z daily 08 and 09 may in area bound by 19-14.6N 084-53.6E, 19-11.6N…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.