index

HYDROLANT warnings in force as of 171510Z aug 18

HYDROLANT 2637/18

issued
2018-08-17 15:14Z
status
cancelled 2018-08-24 10:54Z (archive)
cancels
HYDROLANT 2433/18HYDROLANT 2434/18HYDROLANT 2450/18HYDROLANT 2451/18HYDROLANT 2453/18HYDROLANT 2490/18HYDROLANT 2491/18HYDROLANT 2505/18HYDROLANT 2558/18
authority
SFH 171514Z AUG 18.
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROLANT WARNINGS IN FORCE AS OF 171510Z AUG 18.
   ONLY THOSE WARNINGS ISSUED DURING THE LAST SIX WEEKS
   ARE LISTED HEREIN.
   2635/18, 2634/18, 2633/18, 2631/18, 2630/18, 2629/18,
   2628/18, 2627/18, 2625/18, 2624/18, 2620/18, 2619/18,
   2618/18, 2615/18, 2614/18, 2613/18, 2612/18, 2610/18,
   2608/18, 2598/18, 2595/18, 2592/18, 2591/18, 2590/18,
   2589/18, 2587/18, 2580/18, 2568/18, 2566/18, 2564/18,
   2561/18, 2557/18, 2556/18, 2549/18, 2548/18, 2542/18,
   2541/18, 2540/18, 2535/18, 2533/18, 2530/18, 2529/18,
   2524/18, 2519/18, 2517/18, 2509/18, 2494/18, 2493/18,
   2491/18, 2489/18, 2468/18, 2467/18, 2461/18, 2460/18,
   2459/18, 2458/18, 2457/18, 2456/18, 2437/18, 2432/18,
   2424/18, 2411/18, 2375/18, 2365/18, 2357/18, 2354/18,
   2320/18, 2316/18, 2308/18, 2297/18, 2289/18, 2238/18,
   2226/18, 2202/18.
2. THE SUMMARY OF ALL HYDROLANT WARNINGS IN FORCE
   AS OF 30 DEC 2017 IS GIVEN IN SEC III OF NTM 52/17.
   WARNINGS ISSUED DURING THE SUBSEQUENT QUARTERS ARE
   SUMMARIZED IN NTM 13/18 AND 26/18.
3. THE COMPLETE TEXT OF ALL IN-FORCE HYDROLANT
   BROADCAST WARNINGS ARE AVAILABLE ON THE NGA
   MARITIME SAFETY INFORMATION WEBSITE AT:
   msi.nga.mil/NGAPortal/MSI.portal.
   ALTERNATIVELY, THESE MAY BE REQUESTED BY E-MAIL
   FROM NGA AT [email protected].
4. CANCEL HYDROLANT 2433/18, 2434/18, 2450/18, 2451/18,
   2453/18, 2490/18, 2491/18, 2505/18, 2558/18.

Timeline

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

8 index warnings in force

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.