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Maritime Alerts

@bosunbot.bsky.social
31 followers 3 following 787 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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Maritime Alerts @bosunbot.bsky.social · 6h
Navigational warnings — Black Sea Wednesday 30 September 2026 Part of the Atlantic Ocean · 27.3°E–41.8°E, 40.9°N–46.9°N Military and security-related warnings issued today follow in this thread. Routine navigational notices are not included. #BlackSea #AtlanticOcean
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Maritime Alerts @bosunbot.bsky.social · 12h
Missile operations — Russia, Barents Sea (HYDROARC 272/26) NGA MSI · 29 Sep 2026 #BarentsSea #ArcticOcean
msi.nga.mil
Missile operations — Russia, Barents Sea (HYDROARC 272/26)
HYDROARC 272/26. BARENTS SEA. RUSSIA. 1. MISSILE OPERATIONS 051200Z TO 051500Z AND 0400Z TO 1500Z DAILY 06 AND 07 OCT IN AREA BOUND BY (9-point area) 2. CANCEL THIS MSG 071600Z OCT 26. Position 70.117N 35.933E. NGA broadcast warning, in force.
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Maritime Alerts @bosunbot.bsky.social · 12h
Hazardous operations — Romania, Black Sea (HYDROLANT 1936/26) NGA MSI · 28 Sep 2026 #BlackSea #AtlanticOcean
msi.nga.mil
Hazardous operations — Romania, Black Sea (HYDROLANT 1936/26)
HYDROLANT 1936/26. BLACK SEA. ROMANIA. 1. NAVIGATION PROHIBITED 05 THRU 10 OCT IN AREA WITHIN ONE MILE OF 44-53.30N 029-42.70E. 2. CANCEL THIS MSG 110001Z OCT 26. Position 44.888N 29.712E. NGA broadcast warning, in force.
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Maritime Alerts @bosunbot.bsky.social · 18h
Tropical Depression 26W (Twentysix) — first warning, max sustained winds 25 kt JTWC · 30 Sep 2026 #PacificOcean
metoc.navy.mil
Tropical Depression 26W (Twentysix) — first warning, max sustained winds 25 kt
Joint Typhoon Warning Center warning #1 on Tropical Depression 26W (Twentysix), issued 30/0300Z.
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Maritime Alerts @bosunbot.bsky.social · 29/09/2026
Tropical Depression Nineteen-E (EP192026) — advisories under way (No. 2), max sustained winds 30 kt NHC · 29 Sep 2026 #PacificOcean
nhc.noaa.gov
Tropical Depression Nineteen-E (EP192026) — advisories under way (No. 2), max sustained winds 30 kt
Tropical Depression Nineteen-E (EP192026). Tropical depression nineteen moving slowly eastward
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Maritime Alerts @bosunbot.bsky.social · 29/09/2026
Navigational warnings — Pacific Ocean Tuesday 29 September 2026 Military and security-related warnings issued today follow in this thread. Routine navigational notices are not included. #PacificOcean
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Maritime Alerts @bosunbot.bsky.social · 29/09/2026
Navigational warnings — Black Sea Tuesday 29 September 2026 Part of the Atlantic Ocean · 27.3°E–41.8°E, 40.9°N–46.9°N Military and security-related warnings issued today follow in this thread. Routine navigational notices are not included. #BlackSea #AtlanticOcean
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Maritime Alerts @bosunbot.bsky.social · 29/09/2026
Navigational warnings — Gulf of Oman Tuesday 29 September 2026 Part of the Indian Ocean · 56.3°E–61.8°E, 22.5°N–25.9°N Military and security-related warnings issued today follow in this thread. Routine navigational notices are not included. #GulfOfOman #IndianOcean
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Maritime Alerts @bosunbot.bsky.social · 29/09/2026
Navigational warnings — Strait of Hormuz Tuesday 29 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
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Maritime Alerts @bosunbot.bsky.social · 29/09/2026
ReCAAP ISC Weekly Report (22-28 Sep) 2026 ReCAAP ISC · 29 Sep 2026
recaap.org
ReCAAP ISC Weekly Report (22-28 Sep) 2026
ReCAAP ISC Weekly Report maritime security report covering 2026-09-29 to 2026-09-29. PDF.
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Maritime Alerts @bosunbot.bsky.social · 29/09/2026
TAIWAN MPB 20260627 — Firing Notice (Eastern District) — (Cancellation of No. 20260593) Regarding the notification form from the National Chung-Shan Institute of Science and Technology’s training range concerning the cancellation of live-fire artillery testing. Taiwan MPB · 24 Sep 2026
motcmpb.gov.tw
TAIWAN MPB 20260627 — 射擊公告(東區)--(取消編號20260593)有關國家中山科學研究院演訓場域通報單,舉行火砲測試實彈射擊時間取消案。
射擊公告(東區)--(取消編號20260593)有關國家中山科學研究院演訓場域通報單,舉行火砲測試實彈射擊時間取消案。 (東部航務中心)
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Maritime Alerts @bosunbot.bsky.social · 28/09/2026
Tropical Storm Hanna (AL082026) — first advisory, max sustained winds 40 kt NHC · 28 Sep 2026 #AtlanticOcean
nhc.noaa.gov
Tropical Storm Hanna (AL082026) — first advisory, max sustained winds 40 kt
Tropical Storm Hanna (AL082026). Tropical storm hanna forms in the central subtropical atlantic
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Maritime Alerts @bosunbot.bsky.social · 28/09/2026
Navigational warnings — Atlantic Ocean Monday 28 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
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Maritime Alerts @bosunbot.bsky.social · 28/09/2026
Navigational warnings — Mediterranean Sea Monday 28 September 2026 Part of the Atlantic Ocean · 6°W–36.2°E, 30.3°N–45.8°N Military and security-related warnings issued today follow in this thread. Routine navigational notices are not included. #MediterraneanSea #AtlanticOcean
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Maritime Alerts @bosunbot.bsky.social · 28/09/2026
Submarine cable operations — North Pacific (NAVAREA XII 680/26) NGA MSI · 27 Sep 2026 #PacificOcean
msi.nga.mil
Submarine cable operations — North Pacific (NAVAREA XII 680/26)
NAVAREA XII 680/26. NORTH PACIFIC. 1. CABLE OPERATIONS 301700Z SEP TO 101900Z OCT BY M/V GRACE WITHIN ONE MILE OF TRACKLINES JOINING: A. (5-point area) B. 41-47.86N 129-26.54W, 41-26.19N 129-02.85W. C. (5-point area) D. 40-58.20N 128-40.14W, 40-44.53N 128-27.47W. TWO MILE BERTH REQUESTED. 2. CANCEL…
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Maritime Alerts @bosunbot.bsky.social · 27/09/2026
Tropical Depression Eighteen-E (EP182026) — first advisory, max sustained winds 30 kt NHC · 27 Sep 2026 #PacificOcean
nhc.noaa.gov
Tropical Depression Eighteen-E (EP182026) — first advisory, max sustained winds 30 kt
Tropical Depression Eighteen-E (EP182026). Tropical depression eighteen-e forms south of mexico
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Maritime Alerts @bosunbot.bsky.social · 27/09/2026
Rocket launch hazard area — Florida, North Atlantic (NAVAREA IV 936/26) NGA MSI · 26 Sep 2026 #AtlanticOcean
msi.nga.mil
Rocket launch hazard area — Florida, North Atlantic (NAVAREA IV 936/26)
NAVAREA IV 936/26. NORTH ATLANTIC. FLORIDA. 1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING 020342Z TO 020525Z OCT, ALTERNATE 030338Z TO 030520Z, 040334Z TO 040516Z, 050329Z TO 050511Z, 06325Z TO 060506Z, 070320Z TO 070502Z, AND 080316Z TO 080457Z IN AREAS BOUND BY: A. (7-point area) B. (6-point area) C.…
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Maritime Alerts @bosunbot.bsky.social · 27/09/2026
Submarine cable operations — Coral Sea (HYDROPAC 2798/26) NGA MSI · 26 Sep 2026 #CoralSea #PacificOcean
msi.nga.mil
Submarine cable operations — Coral Sea (HYDROPAC 2798/26)
HYDROPAC 2798/26. CORAL SEA. CABLE OPERATIONS IN PROGRESS BY M/V LAYLA ALONG TRACKLINE JOINING (7-point area) TWO MILE BERTH REQUESTED. Position 14.766S 159.149E. NGA broadcast warning, in force.
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Maritime Alerts @bosunbot.bsky.social · 26/09/2026
Navigational warnings — Arabian Sea Saturday 26 September 2026 Part of the Indian Ocean · 51°E–74.2°E, 0.7°S–25.6°N Military and security-related warnings issued today follow in this thread. Routine navigational notices are not included. #ArabianSea #IndianOcean
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Maritime Alerts @bosunbot.bsky.social · 26/09/2026
ONI Worldwide Threat to Shipping, 23 Sep 2026 ONI · 26 Sep 2026
oni.navy.mil
ONI Worldwide Threat to Shipping, 23 Sep 2026
ONI Worldwide Threat to Shipping maritime security report covering 2026-09-23 to 2026-09-23. PDF.
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Maritime Alerts @bosunbot.bsky.social · 26/09/2026
IFC-IOR WMSU 17 - 23 Sep 26 IFC Indian Ocean Region · 26 Sep 2026
ifcior.indiannavy.gov.in
IFC-IOR WMSU 17 - 23 Sep 26
IFC-IOR Maritime Security Updates maritime security report covering 2026-09-17 to 2026-09-23. PDF.
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Maritime Alerts @bosunbot.bsky.social · 26/09/2026
Hazardous operations — Russia, Barents Sea (HYDROARC 262/26) NGA MSI · 25 Sep 2026 #BarentsSea #ArcticOcean
msi.nga.mil
Hazardous operations — Russia, Barents Sea (HYDROARC 262/26)
HYDROARC 262/26. BARENTS SEA. RUSSIA. 1. HAZARDOUS OPERATIONS 0500Z TO 1900Z DAILY 01 THRU 04 OCT IN AREA BOUND BY (5-point area) 2. CANCEL THIS MSG 042000Z OCT 26. Position 69.967N 33.633E. NGA broadcast warning, in force.
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Maritime Alerts @bosunbot.bsky.social · 26/09/2026
Rocket launch hazard area — Florida, North Atlantic (NAVAREA IV 931/26) NGA MSI · 25 Sep 2026 #AtlanticOcean
msi.nga.mil
Rocket launch hazard area — Florida, North Atlantic (NAVAREA IV 931/26)
NAVAREA IV 931/26. NORTH ATLANTIC. FLORIDA. 1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING 011500Z TO 011550Z OCT, ALTERNATE 021438Z TO 021528Z, 031415Z TO 031505Z, 041352Z TO 041442Z, 051330Z TO 051420Z, 061304Z TO 061354Z, 071242Z TO 071332Z OCT IN AREAS BOUND BY: A. (5-point area) B. (9-point area) 2…
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Maritime Alerts @bosunbot.bsky.social · 26/09/2026
Rocket launch hazard area — California, North Pacific (NAVAREA XII 671/26) NGA MSI · 25 Sep 2026 #PacificOcean
msi.nga.mil
Rocket launch hazard area — California, North Pacific (NAVAREA XII 671/26)
NAVAREA XII 671/26. NORTH PACIFIC. CALIFORNIA. 1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING: A. 050806Z TO 050852Z OCT, ALTERNATE 060759Z TO 060845Z, 070751Z TO 070837Z, 080744Z TO 080830Z, 090736Z TO 090822Z, 100729Z TO 100815Z AND 110721Z TO 110807Z OCT IN AREA BOUND BY (10-point area) B. 050806Z TO…
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Maritime Alerts @bosunbot.bsky.social · 26/09/2026
Port closure (NAVAREA XII 669/26) NGA MSI · 26 Sep 2026 #PacificOcean
msi.nga.mil
Port closure (NAVAREA XII 669/26)
NAVAREA XII 669/26. DUE TO HURRICANE NOLO: 1. THE FOLLOWING PORTS ARE CLOSED: A. HILO HARBOR, BIG ISLAND 19-44.00N 155-04.00W. B. KAWAIHAE HARBOR, BIG ISLAND 20-02.00N 155-50.00W. 2. CURRENT PORT INFORMATION CAN BE FOUND AT HTTPS://NAVCEN.USCG.GOV/PORT-STATUS USING THE PORT DIRECTORY TAB. Position …
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Maritime Alerts @bosunbot.bsky.social · 26/09/2026
Submarine cable operations — California, North Pacific (NAVAREA XII 668/26) NGA MSI · 25 Sep 2026 #PacificOcean
msi.nga.mil
Submarine cable operations — California, North Pacific (NAVAREA XII 668/26)
NAVAREA XII 668/26. NORTH PACIFIC. CALIFORNIA. CABLE OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V GRACE ALONG TRACKLINE JOINING: (6-point area) ONE MILE WIDE BERTH REQUESTED. Position 39.285N 124.632W. NGA broadcast warning, in force.
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Maritime Alerts @bosunbot.bsky.social · 25/09/2026
Navigational warnings — Black Sea Friday 25 September 2026 Part of the Atlantic Ocean · 27.3°E–41.8°E, 40.9°N–46.9°N Military and security-related warnings issued today follow in this thread. Routine navigational notices are not included. #BlackSea #AtlanticOcean
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Maritime Alerts @bosunbot.bsky.social · 25/09/2026
Hazardous operations — Romania, Black Sea (HYDROLANT 1896/26) NGA MSI · 22 Sep 2026 #BlackSea #AtlanticOcean
msi.nga.mil
Hazardous operations — Romania, Black Sea (HYDROLANT 1896/26)
HYDROLANT 1896/26. BLACK SEA. ROMANIA. 1. HAZARDOUS OPERATIONS 0700Z TO 1500Z DAILY 30 SEP THRU 01 OCT IN AREA BOUND BY (5-point area) 2. CANCEL THIS MSG 011600Z OCT 26. Position 44.083N 29.133E. NGA broadcast warning, in force.
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Maritime Alerts @bosunbot.bsky.social · 25/09/2026
Tropical Storm Gonzalo (AL072026) — advisories under way, max sustained winds 40 kt NHC · 25 Sep 2026 #AtlanticOcean
nhc.noaa.gov
Tropical Storm Gonzalo (AL072026) — advisories under way, max sustained winds 40 kt
Tropical Storm Gonzalo (AL072026). Tropical storm conditions expected to begin in the cabo verde islands later this morning
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Maritime Alerts @bosunbot.bsky.social · 25/09/2026
Navigational warnings — Baltic Sea Friday 25 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
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Maritime Alerts @bosunbot.bsky.social · 24/09/2026
Navigational warnings — Norwegian Sea Thursday 24 September 2026 Part of the Atlantic Ocean · 9°W–25.8°E, 60.8°N–76.5°N Military and security-related warnings issued today follow in this thread. Routine navigational notices are not included. #NorwegianSea #AtlanticOcean
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Maritime Alerts @bosunbot.bsky.social · 24/09/2026
Navigational warnings — Red Sea Thursday 24 September 2026 Part of the Indian Ocean · 33.6°E–43.5°E, 12.5°N–28.1°N Military and security-related warnings issued today follow in this thread. Routine navigational notices are not included. #RedSea #IndianOcean
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Maritime Alerts @bosunbot.bsky.social · 24/09/2026
IFC-Peru LATAM Weekly Report 034-2026, 21-27 Aug 2026 IFC Latin America · 23 Sep 2026 #CaribbeanSea #AtlanticOcean
dicapi.mil.pe
IFC-Peru LATAM Weekly Report 034-2026, 21-27 Aug 2026
Maritime security incidents in Latin America and the Caribbean, 21-27 Aug 2026. Drug trafficking 4, Maritime Incidents 9, Illegal, Unreported and Unregulated Fishing 1, Smuggling and Illegal Trafficking 1, Irregular Migration and Human Trafficking 1, Environmental protection 3.
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Maritime Alerts @bosunbot.bsky.social · 24/09/2026
Tropical Cyclone 01B (One) — final warning (#6), max sustained winds 35 kt JTWC · 24 Sep 2026 #BayOfBengal #IndianOcean
metoc.navy.mil
Tropical Cyclone 01B (One) — final warning (#6), max sustained winds 35 kt
Joint Typhoon Warning Center warning #6 on Tropical Cyclone 01B (One), issued 24/0300Z.
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Maritime Alerts @bosunbot.bsky.social · 24/09/2026
IMB Incident 051-26 — Boarding, South China Sea IMB incidents · 14 Sep 2026 #SouthChinaSea #PacificOcean
icc-ccs.org
IMB Incident 051-26 — Boarding, South China Sea
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Maritime Alerts @bosunbot.bsky.social · 24/09/2026
Navigational warnings — South China Sea Thursday 24 September 2026 Part of the Pacific Ocean · 102.2°E–122.1°E, 1.2°N–23.5°N Military and security-related warnings issued today follow in this thread. Routine navigational notices are not included. #SouthChinaSea #PacificOcean
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Maritime Alerts @bosunbot.bsky.social · 24/09/2026
Tropical Depression Fay (AL062026) — advisories under way (No. 15), max sustained winds 30 kt NHC · 24 Sep 2026 #AtlanticOcean
nhc.noaa.gov
Tropical Depression Fay (AL062026) — advisories under way (No. 15), max sustained winds 30 kt
Tropical Depression Fay (AL062026). Low pressure system re-develops into tropical depression fay
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Maritime Alerts @bosunbot.bsky.social · 24/09/2026
DANISH NAV WARN 371/26 — DENMARK. KATTEGAT. SEJERØ N. RED LIGHT BUOY ADRIFT 55-59.7N 011-03.5E 232248 UTC SEP 26. CANCEL THIS MESSAGE 241048 UTC SEP 26. Sjöfartsverket NAVTEX · 23 Sep 2026 #BalticSea #AtlanticOcean
navvarn.sjofartsverket.se
DANISH NAV WARN 371/26 — DENMARK. KATTEGAT. SEJERØ N. RED LIGHT BUOY ADRIFT 55-59.7N 011-03.5E 232248 UTC SEP 26. CANCEL THIS MESSAGE 241048 UTC SEP 26.
DENMARK. KATTEGAT. SEJERØ N. RED LIGHT BUOY ADRIFT 55-59.7N 011-03.5E 232248 UTC SEP 26. CANCEL THIS MESSAGE 241048 UTC SEP 26.
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Maritime Alerts @bosunbot.bsky.social · 23/09/2026
Tropical Depression Fifteen-E (EP152026) — advisories under way (No. 11), max sustained winds 30 kt NHC · 23 Sep 2026 #PacificOcean
nhc.noaa.gov
Tropical Depression Fifteen-E (EP152026) — advisories under way (No. 11), max sustained winds 30 kt
Tropical Depression Fifteen-E (EP152026). Depression redevelops southeast of hawaiian islands... ...forecast to strengthen quickly
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Maritime Alerts @bosunbot.bsky.social · 23/09/2026
Polo (EP172026) downgraded from Category 5 Hurricane to Category 4 Hurricane, max sustained winds 130 kt NHC · 23 Sep 2026 #PacificOcean
nhc.noaa.gov
Polo (EP172026) downgraded from Category 5 Hurricane to Category 4 Hurricane, max sustained winds 130 kt
Hurricane Polo (EP172026). Polo drifting northward as a category 4 hurricane
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Maritime Alerts @bosunbot.bsky.social · 23/09/2026
Odalys (EP162026) upgraded from Tropical Storm to Category 1 Hurricane, max sustained winds 65 kt NHC · 23 Sep 2026 #PacificOcean
nhc.noaa.gov
Odalys (EP162026) upgraded from Tropical Storm to Category 1 Hurricane, max sustained winds 65 kt
Hurricane Odalys (EP162026). Odalys strengthens into a hurricane
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Maritime Alerts @bosunbot.bsky.social · 23/09/2026
Tropical Depression 25W (Twentyfive) — first warning, max sustained winds 25 kt JTWC · 23 Sep 2026 #PhilippineSea #PacificOcean
metoc.navy.mil
Tropical Depression 25W (Twentyfive) — first warning, max sustained winds 25 kt
Joint Typhoon Warning Center warning #1 on Tropical Depression 25W (Twentyfive), issued 23/0900Z.
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Maritime Alerts @bosunbot.bsky.social · 23/09/2026
Navigational warnings — Strait of Hormuz Wednesday 23 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
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Maritime Alerts @bosunbot.bsky.social · 23/09/2026
IFC Weekly Report, 12-18 Sep 2026 IFC Singapore · 23 Sep 2026
ifc.org.sg
IFC Weekly Report, 12-18 Sep 2026
IFC Weekly Report maritime security report covering 2026-09-12 to 2026-09-18. PDF.
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Maritime Alerts @bosunbot.bsky.social · 23/09/2026
Navigational warnings — Baltic Sea Wednesday 23 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
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Maritime Alerts @bosunbot.bsky.social · 22/09/2026
ReCAAP ISC Weekly Report (15-21 Sept 26) ReCAAP ISC · 22 Sep 2026
recaap.org
ReCAAP ISC Weekly Report (15-21 Sept 26)
ReCAAP ISC Weekly Report maritime security report covering 2026-09-22 to 2026-09-22. PDF.
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Maritime Alerts @bosunbot.bsky.social · 22/09/2026
ONI Worldwide Threat to Shipping, 16 Sep 2026 ONI · 22 Sep 2026
oni.navy.mil
ONI Worldwide Threat to Shipping, 16 Sep 2026
ONI Worldwide Threat to Shipping maritime security report covering 2026-09-16 to 2026-09-16. PDF.
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Maritime Alerts @bosunbot.bsky.social · 22/09/2026
Navigational warnings — North Sea Tuesday 22 September 2026 Part of the Atlantic Ocean · 3.9°W–8.6°E, 51.1°N–60.9°N Military and security-related warnings issued today follow in this thread. Routine navigational notices are not included. #NorthSea #AtlanticOcean
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Maritime Alerts @bosunbot.bsky.social · 22/09/2026
UK WZ 587/26 — HEBRIDES. OUTER HEBRIDES WESTWARDS. LIVE WEAPONS FIRINGS. UKHO NAVAREA I · 21 Sep 2026
msi.admiralty.co.uk
UK WZ 587/26 — HEBRIDES. OUTER HEBRIDES WESTWARDS. LIVE WEAPONS FIRINGS.
HEBRIDES. OUTER HEBRIDES WESTWARDS. LIVE WEAPONS FIRINGS.
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Maritime Alerts @bosunbot.bsky.social · 21/09/2026
Navigational warnings — Strait of Hormuz Monday 21 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
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