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Maritime Alerts
@bosunbot.bsky.social
22 followers 2 following 420 posts
Bot. Mirrors official maritime safety and security advisories from 21 government sources — navigational warnings, per-incident alerts, periodic reports. Unofficial and unaffiliated; always consult the issuing authority's original. Full list pinned.
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bosunbot.bsky.social
Maritime Alerts @bosunbot.bsky.social · 15d
Automated mirror of official maritime safety and security advisories — 21 sources, government and inter-governmental.

No original reporting. Every post links the issuing authority's own document.

Unofficial and unaffiliated. Always consult the original.

Sources below ⬇
bosunbot.bsky.social
IFC-IOR WMSU 10 - 16 Sep 26

IFC Indian Ocean Region · 17 Sep 2026
IFC-IOR WMSU 10 - 16 Sep 26
IFC-IOR Maritime Security Updates maritime security report covering 2026-09-10 to 2026-09-16. PDF.
ifcior.indiannavy.gov.in
September 17, 2026 at 7:04 PM
bosunbot.bsky.social
Joint War Committee JWLA-035, 16 Sep 2026

Lloyd's Joint War Committee · 16 Sep 2026
#BlackSea #AtlanticOcean
Joint War Committee JWLA-035, 16 Sep 2026
Amended: Europe 2) Black Sea excluding territorial waters of adjoining countries other than Russia and Ukraine (JWC Listed Areas circular, PDF).
lmalloyds.com
September 17, 2026 at 7:03 PM
bosunbot.bsky.social
Submarine cable operations — Alaska, Bering Sea (NAVAREA XII 638/26)

NGA MSI · 17 Sep 2026
#PacificOcean
Submarine cable operations — Alaska, Bering Sea (NAVAREA XII 638/26)
NAVAREA XII 638/26. BERING SEA. ALASKA. CABLE OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY CABLESHIP IT INFINITY ALONG TRACKLINE JOINING (84-point area) WIDE BERTH REQUESTED. Position 64.469N 165.319W. NGA broadcast warning, in force.
msi.nga.mil
September 17, 2026 at 1:03 PM
bosunbot.bsky.social
Rocket launch hazard area — Texas, Gulf of America, Yucatan Channel (NAVAREA IV 897/26)

NGA MSI · 15 Sep 2026
#GulfOfMexico #AtlanticOcean
Rocket launch hazard area — Texas, Gulf of America, Yucatan Channel (NAVAREA IV 897/26)
NAVAREA IV 897/26. GULF OF AMERICA. YUCATAN CHANNEL. TEXAS. 1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING 221215Z TO 221414Z SEP, ALTERNATE 1215Z TO 1414Z DAILY 23 THRU 28 SEP IN AREAS BOUND BY: A. (35-point area) B. (17-point area) 2. CANCEL THIS MSG 281514Z SEP 26. Position 25.967N 97.217W. NGA broad…
msi.nga.mil
September 17, 2026 at 7:02 AM
bosunbot.bsky.social
NAVAREA XV 0128/26 — SOUTHWEST OF BAHIA VALPARAISO. CHART No 550. 1.- WEAPONS DRILL: 21 SEP, BETWEEN 1100 HRS AND 1500 HRS UTC. IN AREA BOUNDED BY: A. 40-05.00S.

NAVAREA XV · 16 Sep 2026
#PacificOcean
NAVAREA XV 0128/26 — SOUTHWEST OF BAHIA VALPARAISO. CHART No 550. 1.- WEAPONS DRILL: 21 SEP, BETWEEN 1100 HRS AND 1500 HRS UTC. IN AREA BOUNDED BY: A. 40-05.00S.
SOUTHWEST OF BAHIA VALPARAISO. CHART No 550. 1.- WEAPONS DRILL: 21 SEP, BETWEEN 1100 HRS AND 1500 HRS UTC. IN AREA BOUNDED BY: A. 40-05.00S. 074-08.00W. B. 40-05.00S. 073-55.00W. C. 40-15.00S. 073-55.00W. D. 40-15.00S. 074-08.00W. KEEP CLEAR AREA. 2.- CANCEL THIS MESSAGE 211600 UTC SEP/26.
www.shoa.cl
September 17, 2026 at 1:02 AM
bosunbot.bsky.social
Missile operations — Russia, Barents Sea (HYDROARC 240/26)

NGA MSI · 16 Sep 2026
#BarentsSea #ArcticOcean
Missile operations — Russia, Barents Sea (HYDROARC 240/26)
HYDROARC 240/26. BARENTS SEA. RUSSIA. 1. MISSILE OPERATIONS 2100Z TO 1800Z DAILY 21 THRU 24 SEP IN AREA BOUND BY (7-point area) 2. CANCEL THIS MSG 251900Z SEP 26. Position 72.871N 34.242E. NGA broadcast warning, in force.
msi.nga.mil
September 17, 2026 at 1:02 AM
bosunbot.bsky.social
Navigational warnings — Atlantic Ocean
Wednesday 16 September 2026

97.9°W–20°E, 60°S–67.9°N

Military and security-related warnings issued today follow in this thread. Routine navigational notices are not included.
#AtlanticOcean
September 16, 2026 at 7:00 PM
bosunbot.bsky.social
Navigational warnings — Baltic Sea
Wednesday 16 September 2026

Part of the Atlantic Ocean · 9.4°E–30.3°E, 53.6°N–65.9°N

Military and security-related warnings issued today follow in this thread. Routine navigational notices are not included.
#BalticSea #AtlanticOcean
September 16, 2026 at 1:07 AM
bosunbot.bsky.social
Navigational warnings — Atlantic Ocean
Tuesday 15 September 2026

97.9°W–20°E, 60°S–67.9°N

Military and security-related warnings issued today follow in this thread. Routine navigational notices are not included.
#AtlanticOcean
September 15, 2026 at 7:01 PM
bosunbot.bsky.social
Navigational warnings — Indian Ocean
Tuesday 15 September 2026

20°E–146.8°E, 60°S–10.4°N

Military and security-related warnings issued today follow in this thread. Routine navigational notices are not included.
#IndianOcean
September 15, 2026 at 7:01 PM
bosunbot.bsky.social
Navigational warnings — Taiwan Strait
Tuesday 15 September 2026

Part of the Pacific Ocean · 116.8°E–121.5°E, 22°N–25.7°N

Military and security-related warnings issued today follow in this thread. Routine navigational notices are not included.
#TaiwanStrait #PacificOcean
September 15, 2026 at 12:58 PM
bosunbot.bsky.social
Navigational warnings — Sea of Japan
Tuesday 15 September 2026

Part of the Pacific Ocean · 125.8°E–141.9°E, 32.6°N–46°N

Military and security-related warnings issued today follow in this thread. Routine navigational notices are not included.
#SeaOfJapan #PacificOcean
September 15, 2026 at 12:58 PM
bosunbot.bsky.social
Navigational warnings — Strait of Hormuz
Tuesday 15 September 2026

Part of the Indian Ocean · 55.2°E–57.3°E, 25.7°N–27.2°N

Military and security-related warnings issued today follow in this thread. Routine navigational notices are not included.
#StraitOfHormuz #IndianOcean
September 15, 2026 at 12:58 PM
bosunbot.bsky.social
ReCAAP ISC Weekly Report (8-14 Sep) 2026

ReCAAP ISC · 15 Sep 2026
ReCAAP ISC Weekly Report (8-14 Sep) 2026
ReCAAP ISC Weekly Report maritime security report covering 2026-09-15 to 2026-09-15. PDF.
www.recaap.org
September 15, 2026 at 12:58 PM
bosunbot.bsky.social
SWEDISH NAV WARN 151/26 — CENTRAL BALTIC. GOTLAND. LIGHT 'STORA KARLSÖ' UNLIT. PSN 57-17.4N 017-57.5E.

Sjöfartsverket NAVTEX · 14 Sep 2026
#BalticSea #AtlanticOcean
SWEDISH NAV WARN 151/26 — CENTRAL BALTIC. GOTLAND. LIGHT 'STORA KARLSÖ' UNLIT. PSN 57-17.4N 017-57.5E.
CENTRAL BALTIC. GOTLAND. LIGHT 'STORA KARLSÖ' UNLIT. PSN 57-17.4N 017-57.5E.
navvarn.sjofartsverket.se
September 15, 2026 at 1:02 AM
bosunbot.bsky.social
Gunnery exercises — Peru, South Pacific (HYDROPAC 2654/26)

NGA MSI · 14 Sep 2026
#PacificOcean
Gunnery exercises — Peru, South Pacific (HYDROPAC 2654/26)
HYDROPAC 2654/26. SOUTH PACIFIC. PERU. 1. GUNNERY EXERCISES 180200Z TO 230800Z SEP IN AREA BOUND BY (5-point area) 2. CANCEL THIS MSG 230900Z SEP 26. Position 11.000S 78.133W. NGA broadcast warning, in force.
msi.nga.mil
September 15, 2026 at 1:02 AM
bosunbot.bsky.social
Hazardous operations — Russia, Barents Sea (HYDROARC 233/26)

NGA MSI · 10 Sep 2026
#BarentsSea #ArcticOcean
Hazardous operations — Russia, Barents Sea (HYDROARC 233/26)
HYDROARC 233/26. BARENTS SEA. RUSSIA. 1. HAZARDOUS OPERATIONS 190600Z TO 191700Z SEP IN AREA BOUND BY (5-point area) 2. CANCEL THIS MSG 191800Z SEP 26. Position 69.718N 33.633E. NGA broadcast warning, in force.
msi.nga.mil
September 14, 2026 at 7:21 AM
bosunbot.bsky.social
Rocket launch hazard area — Norway, Norwegian Sea (HYDROARC 232/26)

NGA MSI · 13 Sep 2026
#NorwegianSea #AtlanticOcean
Rocket launch hazard area — Norway, Norwegian Sea (HYDROARC 232/26)
HYDROARC 232/26. NORWEGIAN SEA. NORWAY. 1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING 1800Z TO 0300Z DAILY 14 THRU 19 SEP IN AREA BOUND BY (6-point area) 2. CANCEL THIS MSG 200400Z SEP 26. Position 69.885N 16.360E. NGA broadcast warning, in force.
msi.nga.mil
September 14, 2026 at 1:00 AM
bosunbot.bsky.social
Navigational warnings — Gulf of Guinea
Sunday 13 September 2026

Part of the Atlantic Ocean · 7.7°W–10°E, 0.9°S–6.6°N

Military and security-related warnings issued today follow in this thread. Routine navigational notices are not included.
#GulfOfGuinea #AtlanticOcean
September 13, 2026 at 12:53 PM
bosunbot.bsky.social
Submarine cable operations — Indonesia, South China Sea (HYDROPAC 2642/26)

NGA MSI · 12 Sep 2026
#SouthChinaSea #PacificOcean
Submarine cable operations — Indonesia, South China Sea (HYDROPAC 2642/26)
HYDROPAC 2642/26. SOUTH CHINA SEA. INDONESIA. CABLE OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY CABLESHIP PETER FABER ALONG TRACKLINE JOINING 02-20.19N 104-53.75E, 02-16.20N 104-52.02E. WIDE BERTH REQUESTED. Position 2.337N 104.896E. NGA broadcast warning, in force.
msi.nga.mil
September 13, 2026 at 1:01 AM
bosunbot.bsky.social
DANISH NAV WARN 358/26 — DENMARK. GREAT BELT. GREAT BELT BRIDGE. LIGHT 55-20.5N 011-02.5E UNRELIABLE.

Sjöfartsverket NAVTEX · 11 Sep 2026
#BalticSea #AtlanticOcean
DANISH NAV WARN 358/26 — DENMARK. GREAT BELT. GREAT BELT BRIDGE. LIGHT 55-20.5N 011-02.5E UNRELIABLE.
DENMARK. GREAT BELT. GREAT BELT BRIDGE. LIGHT 55-20.5N 011-02.5E UNRELIABLE.
navvarn.sjofartsverket.se
September 12, 2026 at 12:58 AM
bosunbot.bsky.social
UK NAVAREA I 202/26 — EASTERN NORTH ATLANTIC. ROCKALL PLATEAU NORTHEASTWARDS. LIVE WEAPONS FIRINGS IN PROGRESS.

UKHO NAVAREA I · 11 Sep 2026
#AtlanticOcean
UK NAVAREA I 202/26 — EASTERN NORTH ATLANTIC. ROCKALL PLATEAU NORTHEASTWARDS. LIVE WEAPONS FIRINGS IN PROGRESS.
EASTERN NORTH ATLANTIC. ROCKALL PLATEAU NORTHEASTWARDS. LIVE WEAPONS FIRINGS IN PROGRESS.
msi.admiralty.co.uk
September 12, 2026 at 12:58 AM
bosunbot.bsky.social
DANISH NAV WARN — The North Sea. EK R 80 Kallesmærsk E. Firing exercises.

Danish NAV WARN · 11 Sep 2026
#NorthSea #AtlanticOcean
DANISH NAV WARN — The North Sea. EK R 80 Kallesmærsk E. Firing exercises.
15 September 2026, hours 09:00 - 17:00. 24 September 2026, hours 09:00 - 20:00. 25 September 2026, hours 09:00 - 16:00. 26 September 2026, hours 09:00 - 16:00. 27 September 2026, hours 09:00 - 16:00. In connection with firing practices, a temporary prohibited area is established on the sea off the …
niord.dma.dk
September 12, 2026 at 12:58 AM
bosunbot.bsky.social
DANISH NAV WARN — The North Sea. EK R 81 Kallesmærsk W. Firing exercises.

Danish NAV WARN · 11 Sep 2026
#NorthSea #AtlanticOcean
DANISH NAV WARN — The North Sea. EK R 81 Kallesmærsk W. Firing exercises.
15 September 2026, hours 09:00 - 17:00. 24 September 2026, hours 09:00 - 20:00. 25 September 2026, hours 09:00 - 16:00. 26 September 2026, hours 09:00 - 16:00. 27 September 2026, hours 09:00 - 16:00. In connection with firing practices, a temporary prohibited area is established on the sea off the …
niord.dma.dk
September 12, 2026 at 12:58 AM
bosunbot.bsky.social
DANISH NAV WARN — The Baltic Sea. EK D 396 Hullebaek. Firing exercises.

Danish NAV WARN · 11 Sep 2026
#BalticSea #AtlanticOcean
DANISH NAV WARN — The Baltic Sea. EK D 396 Hullebaek. Firing exercises.
14 September 2026, hours 08:00 - 22:00. 28 September 2026, hours 08:00 - 22:00. 29 September 2026, hours 08:00 - 22:00. 30 September 2026, hours 08:00 - 22:00. In connection with firing practices, a temporary prohibited area is established on the sea off the firing practice at position: 55° 01'N - …
niord.dma.dk
September 12, 2026 at 12:58 AM