WTPQ31 PGUM 111510 TCPPQ1 BULLETIN Typhoon Sinlaku (04W) Advisory Number 11 National Weather Service Tiyan GU WP042026 110 AM ChST Sun Apr 12 2026 ...TYPHOON SINLAKU STRENGTHENING AS IT MOVES NORTHWEST TOWARDS THE MARIANAS... CHANGES WITH THIS ADVISORY -------------------------- None. WATCHES AND WARNINGS -------------------- A Typhoon Warning remains in effect for Fananu in Chuuk State. A Tropical Storm Warning remains in effect for Chuuk and Ulul in Chuuk State. A Typhoon Watch remains in effect for Ulul in Chuuk State. A Typhoon Watch remains in effect for Guam, Rota, Tinian and Saipan. A Typhoon Warning means that typhoon conditions, including winds of 74 mph or more, are occurring. A Tropical Storm Warning means that tropical storm conditions, including winds of 39 to 73 mph, are expected within 24 hours. A Typhoon Watch means that typhoon conditions, including winds of 74 mph or more, are possible within 48 hours. SUMMARY OF 100 AM CHST...1500 UTC...INFORMATION ----------------------------------------------- Location...9.2N 150.9E About 95 miles east-northeast of Ulul About 100 miles west-northwest of Fananu About 135 miles north-northwest of Chuuk About 195 miles northeast of Puluwat About 465 miles northwest of Nukuoro About 510 miles southeast of Guam About 515 miles southeast of Rota About 535 miles southeast of Tinian About 535 miles southeast of Saipan About 875 miles east of Yap Maximum sustained winds...100 mph Present movement...northwest...305 degrees at 5 mph DISCUSSION AND OUTLOOK ---------------------- At 100 AM CHST...1500 UTC...the center of Typhoon Sinlaku was located near Latitude 9.2 degrees North and Longitude 150.9 degrees East. Sinlaku is moving northwest at 5 mph. It is expected to maintain this general course with a slight increase in forward speed through Monday. Maximum sustained winds have increased to 100 mph. Sinlaku is forecast to intensify through Monday, potentially passing through the Marianas as a category 3 or 4 typhoon. Typhoon force winds extend outward from the center up to 50 miles. Tropical storm force winds extend outward from the center up to 245 miles to the northeast and up to 165 miles elsewhere. NEXT ADVISORY ------------- An intermediate advisory will be issued by the National Weather Service at 500 AM ChST followed by the next scheduled advisory at 800 AM ChST. $$ Doll