Navigation prohibited until further notice within 0.5 miles of 51-14.01N 004-15.93W
Bristol Channel · HYDROLANT 1245/03
What this record establishes
Archived notice · 2003-07-25 10:55Z
This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.
- Source and dates
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · WZ 819/03 271408Z JUN 03. Issued 2003-06-27 15:00Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- Bristol Channel. The parsed report position is 51.233, -4.266 with a 0.5 nm radius. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Navigation prohibited until further notice within one mile of horseshoe north cardinal buoy 51-15.1N 004-13.0Wcancelled by this notice
- Man overboard vicinity 22-25.1S 036-57.4W at 250330Z jullater cancellation notice
Current notices and reporting history in the Bristol Channel →
- issued
- 2003-06-27 15:00Z
- status
- Archived notice
- authority
- WZ 819/03 271408Z JUN 03
- issued by
- WZ
- sea
- Bristol Channel
- position
- 51.233, -4.266 · r 0.5 nm
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
CHART 36165 (6TH ED). 1. NAVIGATION PROHIBITED UNTIL FURTHER NOTICE WITHIN 0.5 MILES OF 51-14.01N 004-15.93W. 2. CANCEL HYDROLANT 1155/03.
Reading this warning
- Chart reference
- The number of the nautical chart on which the reported position lies.
- Navigation prohibited
- Ships may not enter or pass through the area, or a port is closed to traffic.
- Until further notice
- The operation or danger has no scheduled end; the warning stays in force until a later message cancels it.
- Within a radius of
- A circular area — every position within a stated distance of a point.
- Position (degrees and minutes)
- How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROLANT
- The U.S. long-range warning series for Atlantic waters outside NAVAREA IV, including the eastern Atlantic, the Mediterranean and adjoining seas.
Collected reports in this area · restricted areas & port closures
9 within 180 nm since 2003 · 0 in the last 12 months · 0 listed in force now
Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.
- Navigation prohibited within 500 meters of 53-22.7N 004-09.9W2016-12-02
- Cancel HYDROLANT 1269/132013-07-04
- Cancel HYDROLANT 559/132013-05-23
- Lyme Bay2012-09-12
- England-south Coast2012-05-20
- Navigation prohibited 191900Z to 211900Z jun within 200 meters of 50-19.62N 004-14.70W2006-06-19
Month of issue in the collected archive
All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.
Nearby notices listed in force · within 120 nm
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
2 restricted areas & port closures listed in force · see all
Record snapshot 2026-10-03 03:43Z; source collection times vary.
Restricted
Navigation prohibited, exclusion and security zones, ports closed to traffic. All current restricted areas & port closures →
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.