Indian Ocean — navigational notices and warnings

Active navigational warnings and latest chart corrections for the Indian Ocean region, grouped by port.

Active warnings

• 377/2022 — 63. NORTHERN INDIAN OCEAN. SRI LANKA. DNC 03. 1. SALVAGE OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE IN 07-04.55N 079-46.48E. WIDE BERTH REQUESTED. REPORTS TO MRCC COLOMBO, PHONE: 941 1244 5368, FAX: 941 1244 1454, 941 1244 9718, E-MAIL: NHQDNO@YAHOO.COM, MRCCCOLOMBO@GMAIL.COM. 2. C
• 553/2023 — 63. ARABIAN SEA. INDIA. DNC 03. M/V SAVITHRI SANK IN VICINITY 08-57.43N 076-31.83E.
• 630/2023 — 61. WESTERN INDIAN OCEAN. MAURITIUS. DNC 02. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE: A. IN AREA BOUND BY 20-26.10S 057-43.1E0, 20-25.10S 057-44.00E, 20-24.00S 057-45.50E. B. IN VICINITY 20-26.60S 057-44.60E. TWO MILE BERTH REQUESTED. 2. CANCEL HYDROPAC 536/23.
• 677/2023 — 61. MOZAMBIQUE CHANNEL. MOZAMBIQUE. DNC 02. PLATFORM ESTABLISHED IN 16-51.75S 040-04.53E.
• 1996/2023 — 63. ARABIAN SEA. INDIA. DNC 03. RACON (O) AT VILINJAM LIGHT 08-22.97N 076-58.78E INOPERATIVE.
• 2526/2023 — 63. PALK STRAIT. SRI LANKA. DNC 03. F/V REPORTED SUNK IN VICINITY 09-39.49N 079-26.97E.
• 2713/2023 — 74. EASTERN INDIAN OCEAN. AUSTRALIA. DNC 04. GANTHEAUME POINT LIGHT 17-58.44S 122-10.64E UNRELIABLE.
• 3390/2023 — 71,72. JAVA SEA. MAKASSAR STRAIT. INDONESIA. DNC 04. CABLE OPERATIONS 27 OCT UNTIL FURTHER NOTICE BY CABLESHIP ILE DE RE IN VICINITY OF TRACKLINE JOINING 01-49.53S 118-32.18E, 02-18.48S 118-26.90E, 03-16.52S 118-40.25E, 04-58.45S 117-27.37E, 04-38.56S 116-26.41E, 05-03.47S 113-10.98E, 04-50.35S 110-13.71E,
• 3880/2023 — 71. SOUTH CHINA SEA. INDONESIA. DNC 03. 1. RACON AT SOUTH CARDINAL BUOY 01-03.61N 103-38.96E TEMPORARILY REMOVED. 2. CANCEL HYDROPAC 3283/23.
• 3886/2023 — 71. SOUTH CHINA SEA. INDONESIA. DNC 03. 1. RACON AT SOUTH CARDINAL BUOY 01-03.61N 103-38.96E OFF AIR. 2. CANCEL HYDROPAC 3380/23.

Latest chart corrections

• 5005 — chart 4708. Chart 4708 (INT 708) [ previous update 4889/26 ] WGS84 DATUM Insert the accompanying block A, centred on: 21° 28´·0S., 111° 48´·1E. the accompanying block B, centred on: 20° 38´·6S., 115° 54´·7E. Delete note, SHIPPING FAIRWAY, centred on: 32° 40´·0S., 116° 36´·8E.
• 4889 — chart 4723. Chart 4723 (INT 723) [ previous update 4418/26 ] WGS84 DATUM Insert the accompanying block A, centred on: 21° 44´·9S., 111° 06´·8E. the accompanying block B, centred on: 21° 45´·4S., 113° 25´·2E.
• 4889 — chart 4708. Chart 4708 (INT 708) [ previous update 3972/26 ] WGS84 DATUM Insert drying height, 28 , enclosed by 0m low water line (a) 20° 17´·1S., 115° 22´·3E. Delete depth, 169 , close SW of: (a) above
• 4889 — chart 4603. Chart 4603 (INT 603) [ previous update 4624/26 ] WGS84 DATUM Insert the accompanying block, centred on: 20° 18´·6S., 117° 43´·2E.
• 5002 — chart 3729. Chart 3729 [ previous update 4793/26 ] WGS84 DATUM Delete ´ Rep (2026) 5° 58´·58S., 106° 34´·96E.
• 5002 — chart 2862. Chart 2862 [ previous update 4022/26 ] WGS84 DATUM Delete ´ Rep (2026) 5° 58´·6S., 106° 35´·0E.
• 5002 — chart 2797. Chart 2797 [ previous update 1826/26 ] WGS84 DATUM Delete ´ Rep (2026) 5° 58´·6S., 106° 35´·0E.
• 5002 — chart 2056. Chart 2056 [ previous update 4793/26 ] WGS84 DATUM Delete ´ Rep (2026) 5° 58´·58S., 106° 34´·96E.
• 5002 — chart 933. Chart 933 [ previous update 4696/26 ] WGS84 DATUM Delete ´ Rep (2026) 5° 58´·58S., 106° 34´·96E. Wk43/26 II 2.30
• 4991 — chart 2137. Chart 2137 [ previous update 4793/26 ] WGS84 DATUM Insert ² 2° 49´·55S., 107° 05´·67E. 2° 52´·93S., 107° 06´·06E. depth, 153, enclosed by 20m contour 3° 00´·93S., 107° 15´·47E.

Reference information — always verify against official Notices to Mariners before navigation.