Typhoon Sinlaku - Apr 2026

A tropical cyclone named Sinlaku formed over the western North Pacific Ocean on 9 April and started moving north-west toward Guam and the far southern Northern Mariana Islands as a tropical storm. On 10 April at 0.00 UTC its centre was located over the ocean approximately 885 km south-east of Guam, with maximum sustained winds of 74 km/h. ([ECHO, 10 Apr 2026](https://reliefweb.int/node/4206856))

Over 11-12 April, Tropical Cyclone Sinlaku continued moving north-west over the western North Pacific Ocean toward the Northern Mariana Islands and Guam, further strengthening. On 13 April at 00:00 UTC, its centre was located over the ocean approximately 455 km south-east of Guam, with maximum sustained winds of 287 km/h (Cat. 5 hurricane). [...] According to the Federal Emergency Management Agency (FEMA), as of 13 April, seven shelters are in force as preventive measures across the Northern Mariana Islands. ([ECHO, 13 Apr 2026](https://reliefweb.int/node/4207104))

**Northern Mariana Islands (The United States of America)**

According to FEMA, six shelters hosting 782 people are active in the Northern Mariana Islands, while seven shelters hosting 782 people are open in Guam. In addition, its passage through Micronesia (particularly Chuuk State) on 10–11 April caused the displacement of 100 people and resulted in widespread, serious damage on the islands of Weno, Tamatam, Piherarh, Onoun, Uman, Parem and Fanapanges. ([ECHO, 14 Apr 2026](https://reliefweb.int/node/4207312))

Tropical cyclone SINLAKU made landfall over the central Tinian islands (north-central Northern Mariana Islands) on 14 April after 12 UTC, with maximum sustained winds of 231 km/h (Cat. 4 hurricane), and after that it continued moving north-west over the western North Pacific Ocean. On 15 April at 3.00 UTC, its centre was located over the ocean approximately 100 km north-west of the Tinian and Saipan islands, with maximum sustained winds of 204 km/h (Cat. 3 hurricane). The Federal Emergency Management Age