Officials in the Federated States of Micronesia are monitoring three potentially dangerous weather systems.
The governor of the state of Yap has warned residents to secure property.
Ben Lowings reports from Yap.
"Tropical storm 19W is moving towards the main island of Yap with maximum wind speeds of 45 knots. The storm has been speeding up and is expected to be felt on the main island in the evening local time. Residents have been buying food supplies and storing supplies in shelters. Two more storms are on their way to Yap. Typhoon Sudal caused widespread destruction to Yap state in 2004."