248 WTPQ32 PGUM 170044 TCPPQ2 BULLETIN Typhoon Champi (29W) Intermediate Advisory Number 10A National Weather Service Tiyan GU WP292026 1044 AM ChST Sat Oct 17 2026 ...TYPHOON CHAMPI MOVING WEST-NORTHWEST AND APPROACHING GUAM... CHANGES WITH THIS ADVISORY -------------------------- None. WATCHES AND WARNINGS -------------------- A Typhoon Warning remains in effect for Guam, Rota, and the adjacent waters. A Tropical Storm Warning remains in effect for Tinian, Saipan, and the adjacent waters. A Typhoon Watch remains in effect for Tinian and Saipan in the Northern Marianas, and the adjacent coastal waters. A Typhoon Warning means that typhoon conditions, including winds of 74 mph or more, are expected by Sunday morning, with tropical storm force winds arriving tonight. A Tropical Storm Warning in conjunction with a Typhoon Watch means that tropical storm winds between 39 and 73 mph are expected by tonight, and typhoon force winds are possible if the track of Tropical Storm Champi shifts sufficiently northward. SUMMARY OF 1000 AM CHST...0000 UTC...INFORMATION ----------------------------------------------- Location...11.9N 150.2E About 230 miles north of Ulul About 370 miles east-southeast of Rota About 375 miles southeast of Tinian About 375 miles southeast of Saipan About 380 miles east-southeast of Guam About 430 miles southeast of Anatahan About 490 miles southeast of Alamagan About 520 miles southeast of Pagan About 560 miles south-southeast of Agrihan About 840 miles east-northeast of Yap Maximum sustained winds...85 mph Present movement...west-northwest...295 degrees at 15 mph DISCUSSION AND OUTLOOK ---------------------- At 1000 AM CHST...0000 UTC...the center of Typhoon Champi was located near Latitude 11.9 degrees North and Longitude 150.2 degrees East. Champi is moving west-northwest at 15 mph. It is expected to maintain this general course and speed through Sunday. This general forecast track will take Champi just south of Guam as a Category 3 typhoon. Maximum sustained winds remain at 85 mph. Champi is forecast to intensify through Monday, becoming a Category 3 typhoon prior to its passage. Typhoon force winds extend outward from the center up to 30 miles. Tropical storm force winds extend outward from the center up to 100 miles. NEXT ADVISORY ------------- The next scheduled advisory will be issued by the National Weather Service at 200 PM ChST followed by an intermediate advisory at 500 PM ChST. $$ Mesa