Due to tropical storm idalia: 1. the following port(s) are closed: none to report
Gulf of Mexico · NAVAREA IV 975/23
What this record establishes
Archived notice · 2023-08-29 13:54Z
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) · SFH 0/23 281730Z AUG 23.. Issued 2023-08-28 17:38Z. 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
- Gulf of Mexico. The parsed report position is 28.367, -83.325. 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
- Due to tropical storm idalia: 1. the following port(s) are closed: none to reportcancelled by this notice
- Due to hurricane idalia: 1. the following port(s) are closed: a. port manatee 27-38N 082-34Wlater cancellation notice
These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.
- NAVAREA IV 974/232023-08-28 · Archived notice
- NAVAREA IV 975/23 · this notice2023-08-28 · Archived notice
- NAVAREA IV 985/232023-08-29 · Archived notice
- NAVAREA IV 986/232023-08-29 · Archived notice
- NAVAREA IV 991/232023-08-29 · Archived notice
- NAVAREA IV 993/232023-08-30 · Archived notice
Current notices and reporting history in the Gulf of Mexico →
- issued
- 2023-08-28 17:38Z
- status
- Archived notice
- authority
- SFH 0/23 281730Z AUG 23.
- NAVAREA
- NAVAREA IV
- issued by
- SFH
- sea
- Gulf of Mexico
- position
- 28.367, -83.325
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
DUE TO TROPICAL STORM IDALIA: 1. THE FOLLOWING PORT(S) ARE CLOSED: NONE TO REPORT. 2. THE FOLLOWING PORT(S) ARE OPEN WITH RESTRICTIONS: A. PANAMA CITY 30-09N 085-40W. B. PORT MANATEE 27-38N 082-34W. C. ST PETERSBURG 27-46N 082-37W. D. TAMPA 27-55N 082-27W. 3. THE FOLLOWING PORT(S) HAVE RE-OPENED: NONE TO REPORT. 4. CURRENT PORT INFORMATION CAN BE FOUND AT HOMEPORT.USCG.MIL USING THE PORT DIRECTORY TAB. 5. CANCEL NAVAREA IV 974/23.
Reading this warning
- 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.
- NAVAREA
- One of the 21 ocean areas of the World-Wide Navigational Warning Service, each with a coordinator that broadcasts long-range warnings.
Collected reports in this area · tropical cyclone warnings
68 within 180 nm since 2016 · 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.
- Due to hurricane helene: 1. the following port(s) are closed: none to report2024-09-30
- Due to post-tropical cyclone idalia: 1. the following port(s) are closed: a. cedar key 29-09N 080-20W2023-09-02
- Due to hurricane idalia: 1. the following port(s) are closed: a. charleston 32-47N 079-55W2023-08-30
- Due to hurricane idalia: 1. the following port(s) are closed: a. charleston 32-47N 079-55W2023-08-30
- Due to hurricane idalia: 1. the following port(s) are closed: a. port canaveral 28-25N 080-37W2023-08-30
- Due to hurricane idalia: 1. the following port(s) are closed: a. port manatee 27-38.00N 082-34.00W2023-08-30
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
5 tropical cyclone warnings listed in force · see all
Record snapshot 2026-10-02 04:22Z; source collection times vary.
Storms
Hurricanes, typhoons and tropical storms: forecast cones from the U.S. National Hurricane Center and the Joint Typhoon Warning Center, and the port closures NAVAREA coordinators broadcast for them. All current tropical cyclone warnings →
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.