Overview
- Sinlaku, which peaked at 180 mph Sunday, is forecast to pass near or over Tinian and Saipan late Monday into Tuesday with Category 4 or 5 conditions possible, and JTWC clocked sustained winds near 173–180 mph with gusts up to about 220 mph.
- Typhoon warnings cover Rota, Tinian and Saipan, while Guam remains under a tropical storm warning and a typhoon watch according to the National Weather Service in Guam on Monday.
- Guam entered Tropical Cyclone Condition of Readiness 1 on Monday as military bases limited operations, businesses shut, and residents were told to shelter and stay off roads.
- Forecasters warn of 15 to 25 inches of rain near the storm’s core, coastal water rises of 5 to 8 feet on windward coasts with higher wave runup, life‑threatening surf, flash flooding and likely power outages.
- President Donald Trump approved emergency declarations over the weekend for Guam and the Northern Mariana Islands, and FEMA prepositioned personnel and supplies as officials cautioned that small track shifts could change which islands take the eyewall.