Other warnings in 2025

Everything the classifier did not place elsewhere.

issued in 2025
9
still in force
9
vs 2024
-99%
first · last
01-06 · 11-21

Coverage note: the NGA archive ends 2024-05 and live collection began 2026-08-17. Warnings issued in between are here only if they were still in force when collection started, so this year is under-counted.

By month

J
F
M
A
M
J
J
A
S
O
N
D

By NAVAREA series

  • HYDROPAC4
  • NAVAREA IV2
  • HYDROARC1
  • HYDROLANT1
  • NAVAREA XII1

Where · top seas

Persian Gulf360%
North Pacific Ocean120%
Davis Strait120%

All other warnings issued in 2025 · 9

  1. NAVAREA IV 1292/25in force2025-11-21
    Twenty-two ocean bottom moorings are deployed one meter above the ocean floor until further notice in Davis Strait.
    Davis Strait
  2. NAVAREA XII 678/25in force2025-10-30
    A fish farm has been established in an area off Colombia, from 06-03N to 07-11N and 077-28W to 078-08W; wide berth requested.
    North Pacific · Colombia
  3. HYDROLANT 1204/25in force2025-07-17
    The National Geospatial-Intelligence Agency advises that cancelled electronic navigational charts may cause unintended behavior on electronic chart display systems.
    Cancelled Electronic Navigational Chart (enc) Advisory
  4. HYDROPAC 1823/25in force2025-07-17
    The National Geospatial-Intelligence Agency warns that cancelled electronic navigational charts may cause unintended ECDIS behavior on some systems, including Navy VMS 9.5 and Raytheon Anschutz Synapsis NX.
    Cancelled Electronic Navigational Chart (enc) Advisory
  5. HYDROARC 103/25in force2025-07-17
    Cancelled electronic navigational charts may cause unintended behavior in some ECDIS systems, including reinstallation of recently cancelled charts.
    Cancelled Electronic Navigational Chart (enc) Advisory
  6. HYDROPAC 1415/25in force2025-06-01
    Navigation is prohibited within 600 meters of 29-13.10N 048-44.42E in the Persian Gulf near Kuwait.
    Persian Gulf · Kuwait
  7. NAVAREA IV 190/25in force2025-02-14
    Canada has activated Ice Control Zone Tango in the Labrador Sea, requiring laden oil tankers and chemical carriers to comply with Transport Canada's TP 15163.
    Labrador Sea
  8. HYDROPAC 83/25in force2025-01-13
    In Kuwait, Persian Gulf, the meteorological tower at 28-46.0N 048-26.1E is temporarily replaced by a yellow buoy flashing 4 times every 15 seconds, 5 meters.
    Persian Gulf · Kuwait
  9. HYDROPAC 28/25in force2025-01-06
    Navigation is prohibited until further notice within 600 meters of 28-52.49N 048-21.63E in Kuwait, Persian Gulf.
    Persian Gulf · Kuwait

Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts and your national MSI service.

Other warnings in 2025 · seahazards