Maritime Alerts
@bosunbot.bsky.social
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.
Navigational warnings — Strait of Hormuz Sunday 8 November 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
Navigational warnings — Baltic Sea Sunday 8 November 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
Tropical Cyclone 03S (Three) — first warning, max sustained winds 35 kt JTWC · 8 Nov 2026 #IndianOcean
Tropical Cyclone 03S (Three) — first warning, max sustained winds 35 kt
Joint Typhoon Warning Center warning #1 on Tropical Cyclone 03S (Three), issued 07/2100Z.
metoc.navy.mil
Navigational warnings — Gulf of Oman Saturday 7 November 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
Navigational warnings — Gulf of Aden Saturday 7 November 2026 Part of the Indian Ocean · 42.5°E–52.2°E, 10.4°N–15.6°N Military and security-related warnings issued today follow in this thread. Routine navigational notices are not included. #GulfOfAden #IndianOcean
IFC-IOR WMSU 15 - 21 Oct 26 IFC Indian Ocean Region · 7 Nov 2026
IFC-IOR WMSU 15 - 21 Oct 26
IFC-IOR Maritime Security Updates maritime security report covering 2026-10-15 to 2026-10-21. PDF.
ifcior.indiannavy.gov.in
IFC-IOR WMSU 22 - 28 Oct 26 IFC Indian Ocean Region · 7 Nov 2026
IFC-IOR WMSU 22 - 28 Oct 26
IFC-IOR Maritime Security Updates maritime security report covering 2026-10-22 to 2026-10-28. PDF.
ifcior.indiannavy.gov.in
Navigational warnings — Atlantic Ocean Saturday 7 November 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
Tropical Storm Pena (CP042026) — first advisory, max sustained winds 40 kt NHC · 7 Nov 2026 #PacificOcean
Tropical Storm Pena (CP042026) — first advisory, max sustained winds 40 kt
Tropical Storm Pena (CP042026). Tropical storm pena forms well southeast of the hawaiian islands but is no threat to land
nhc.noaa.gov
Navigational warnings — Strait of Hormuz Friday 6 November 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
Tropical Depression 31W (Thirtyone) — first warning, max sustained winds 25 kt JTWC · 6 Nov 2026 #PacificOcean
Tropical Depression 31W (Thirtyone) — first warning, max sustained winds 25 kt
Joint Typhoon Warning Center warning #1 on Tropical Depression 31W (Thirtyone), issued 06/0900Z.
metoc.navy.mil
POLISH NAV WARN 304/2026 — ZONE S-1a IS CLOSED (Local HOPN) Polish NAV WARN · 5 Nov 2026
POLISH NAV WARN 304/2026 — ZONE S-1a IS CLOSED (Local HOPN)
ZONE S-1a IS CLOSED. Local HOPN warning, in force. Polish Navy Hydrographic Office.
bhmw.gov.pl
IMB Incident 058-26 — Boarding, Singapore Strait IMB incidents · 4 Nov 2026 #SingaporeStrait #PacificOcean
IMB Incident 058-26 — Boarding, Singapore Strait
icc-ccs.org
Navigational warnings — Baltic Sea Thursday 5 November 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
Circular 19/26: Annual General Meeting Update UK P&I circulars · 4 Nov 2026
Circular 19/26: Annual General Meeting Update
ukpandi.com
Navigational warnings — Strait of Hormuz Wednesday 4 November 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
IFC Weekly Report, 5-11 Sep 2026 IFC Singapore · 4 Nov 2026
IFC Weekly Report, 5-11 Sep 2026
IFC Weekly Report maritime security report covering 2026-09-05 to 2026-09-11. PDF.
ifc.org.sg
IFC Weekly Report, 19-25 Sep 2026 IFC Singapore · 4 Nov 2026
IFC Weekly Report, 19-25 Sep 2026
IFC Weekly Report maritime security report covering 2026-09-19 to 2026-09-25. PDF.
ifc.org.sg
IFC Weekly Report, 3-9 Oct 2026 IFC Singapore · 4 Nov 2026
IFC Weekly Report, 3-9 Oct 2026
IFC Weekly Report maritime security report covering 2026-10-03 to 2026-10-09. PDF.
ifc.org.sg
IFC Weekly Report, 10-16 Oct 2026 IFC Singapore · 4 Nov 2026
IFC Weekly Report, 10-16 Oct 2026
IFC Weekly Report maritime security report covering 2026-10-10 to 2026-10-16. PDF.
ifc.org.sg
IFC Weekly Report, 17-23 Oct 2026 IFC Singapore · 4 Nov 2026
IFC Weekly Report, 17-23 Oct 2026
IFC Weekly Report maritime security report covering 2026-10-17 to 2026-10-23. PDF.
ifc.org.sg
IFC Weekly Report, 24-30 Oct 2026 IFC Singapore · 4 Nov 2026
IFC Weekly Report, 24-30 Oct 2026
IFC Weekly Report maritime security report covering 2026-10-24 to 2026-10-30. PDF.
ifc.org.sg
Navigational warnings — Gulf of Finland Wednesday 4 November 2026 Part of the Atlantic Ocean · 22.9°E–30.3°E, 59.2°N–60.7°N Military and security-related warnings issued today follow in this thread. Routine navigational notices are not included. #GulfOfFinland #AtlanticOcean
Navigational warnings — Baltic Sea Wednesday 4 November 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
NAVAREA XV 0150/26 — SOUTH PACIFIC OCEAN AREA TEMPORARILY DANGEROUS TO NAVIGATION DUE TO SPACE ELEMENTS FALLING: 1.- 07 TO 13 NOV, BETWEEN 0110 HRS AND 0711 HRS UTC. A. NAVAREA XV · 3 Nov 2026 #PacificOcean
NAVAREA XV 0150/26 — SOUTH PACIFIC OCEAN AREA TEMPORARILY DANGEROUS TO NAVIGATION DUE TO SPACE ELEMENTS FALLING: 1.- 07 TO 13 NOV, BETWEEN 0110 HRS AND 0711 HRS UTC. A.
SOUTH PACIFIC OCEAN AREA TEMPORARILY DANGEROUS TO NAVIGATION DUE TO SPACE ELEMENTS FALLING: 1.- 07 TO 13 NOV, BETWEEN 0110 HRS AND 0711 HRS UTC. A. 27-59.00S. 122-44.00W. B. 27-09.00S. 120-43.00W. C. 38-21.00S. 115-04.00W. D. 49-09.00S. 107-22.00W. E. 59-09.00S. 095-34.00W. F. 59-58.00S. 099-05.00W…
shoa.cl
ReCAAP ISC Weekly Report (27 Oct-2 Nov) 2026 ReCAAP ISC · 3 Nov 2026
ReCAAP ISC Weekly Report (27 Oct-2 Nov) 2026
ReCAAP ISC Weekly Report maritime security report covering 2026-11-03 to 2026-11-03. PDF.
recaap.org
IMB Incident 057-26 — Hijacking, Arabian Sea IMB incidents · 29 Oct 2026 #ArabianSea #IndianOcean
IMB Incident 057-26 — Hijacking, Arabian Sea
icc-ccs.org
ONI Worldwide Threat to Shipping, 29 Oct 2026 ONI · 3 Nov 2026
ONI Worldwide Threat to Shipping, 29 Oct 2026
ONI Worldwide Threat to Shipping maritime security report covering 2026-10-29 to 2026-10-29. PDF.
oni.navy.mil
Navigational warnings — Strait of Hormuz Monday 2 November 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
IMB Incident 056-26 — Boarding, Celebes Sea IMB incidents · 29 Oct 2026 #CelebesSea #PacificOcean
IMB Incident 056-26 — Boarding, Celebes Sea
icc-ccs.org