


Public Tropical Cyclone Advisory
Issued by NWS
Issued by NWS
831 WTPQ32 PGUM 050922 TCPPQ2 BULLETIN Tropical Storm Halong (28W) Advisory Number 4 National Weather Service Tiyan GU WP282025 722 PM ChST Sun Oct 5 2025 ...TROPICAL STORM HALONG MOVING WEST-NORTHWEST... CHANGES WITH THIS ADVISORY -------------------------- None. WATCHES AND WARNINGS -------------------- None. SUMMARY OF 700 PM CHST...0900 UTC...INFORMATION ----------------------------------------------- Location...25.0N 142.0E About 45 miles east-northeast of Iwo To About 490 miles north-northwest of Agrihan About 725 miles north-northwest of Saipan About 815 miles north-northwest of Guam Maximum sustained winds...45 mph Present movement...west-northwest...285 degrees at 5 mph DISCUSSION AND OUTLOOK ---------------------- At 700 PM CHST...0900 UTC...the center of Tropical Storm Halong was located near Latitude 25.0 degrees North and Longitude 142.0 degrees East, well north-northwest of the Marianas. Halong is moving west-northwest at 5 mph, possibly exiting the region later tonight or Monday. It is expected to make a slight turn toward the west with a slight increase in forward speed through Monday. Maximum sustained winds have increased to 45 mph. Halong is forecast to intensify through Monday. Tropical storm force winds extend outward from the center up to 80 miles. NEXT ADVISORY ------------- The next scheduled advisory will be issued by the National Weather Service at 200 AM ChST early Monday morning. $$ IC