Temperatures have warmed and will continue to warm with more very hot days in the future.
Annual and wet season rainfall since 1950 has decreased at Pohnpei but at Yap there has been no clear change. Rainfall is generally projected to increase over this century with more extreme rainfall days. Drought frequency is projected to decrease.
Sea level near the Federated States of Micronesia has risen and will continue to rise throughout this century.
Wave height is projected to decrease in December to March and waves may be more directed from the south in the June to September.
Ocean acidification has been increasing in the Federated States of Micronesia’s waters. It will continue to increase and threaten coral reef ecosystems