• Typhoon Sinlaku forecast to reach super typhoon strength before nearing the Marianas, Typhoon Warnings issued for Rota, Tinian and Saipan

    Typhoon Sinlaku intensified into a dangerous major typhoon over the western Pacific on April 12, 2026, as officials issued typhoon warnings for Rota, Tinian and Saipan, and a tropical storm warning for Guam. The storm was forecast to strengthen further on April 13, reaching super typhoon strength, before nearing the Marianas, where destructive winds, coastal inundation, and flash flooding are possible from late April 13 into April 14.

  • Tropical Storm Sinlaku strengthens, rapid intensification forecast as it tracks toward Guam

    Tropical Storm Sinlaku formed on April 9, 2026, in the western Pacific and strengthened to 102 km/h (63 mph) by 15:00 UTC on April 10, approximately 904 km (562 miles) southeast of Andersen Air Force Base, Guam. The system is becoming more organized and is forecast to undergo rapid intensification while tracking toward the Mariana Islands, with a potentially dangerous passage near or over Guam.