Storms

Due to tropical storm choi-wan: 1. the following port(s) are closed: a. saipan 15-11N 145-45E

Philippine Sea · HYDROPAC 2842/26

What this record establishes

Cancelled notice · 2026-10-01 16:15Z

This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.

Source and dates: NGA MSI in-force warnings (DailyMem*.txt). Issued 2026-10-01 07:18Z. First collected 2026-10-01 19:02Z; last seen in collection 2026-10-01 20:17Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered: Philippine Sea. The parsed report position is 15.092, 145.692. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the Philippine Sea →

issued: 2026-10-01 07:18Z
status: Cancelled notice
sea: Philippine Sea
position: 15.092, 145.692
source: NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-10-01 19:02Z

Original warning text

NORTH PACIFIC.
NORTHERN MARIANA ISLANDS.
DUE TO TROPICAL STORM CHOI-WAN:
1. THE FOLLOWING PORT(S) ARE CLOSED:
   A. SAIPAN 15-11N 145-45E.
   B. TINIAN 15-00N 145-38E.
2. THE FOLLOWING PORT(S) ARE OPEN WITH RESTRICTIONS:
   NONE TO REPORT.
3. THE FOLLOWING PORT(S) HAVE RE-OPENED:
   NONE TO REPORT.
4. CURRENT PORT INFORMATION CAN BE FOUND AT
   WWW.NAVCEN.USCG.GOV/PORT-STATUS.

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.

All warning terms →

Collected reports in this area · tropical cyclone warnings

25 within 180 nm since 2018 · 6 in the last 12 months · 2 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.

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

Due to tropical storm, the following ports are closed, until further noticeStorms · 0 nm
Due to tropical storm bavi: 1. the following port(s) are closed: a. rota island 14-08.35N 145-08.09EStorms · 63.2 nm
Uscg remote communication facility guam 13-29.00N 144-50.00E broadcast and communication services unreliableNav aids · 108.7 nm
Guam hf NAVTEX station, V, 13-29.0N 144-50.0E, off airNav aids · 108.7 nm

Worldwide in the collected sources

5 tropical cyclone warnings listed in force · see all

Record snapshot 2026-10-01 20:26Z; 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.