Key Message 3
Global sea level is projected to rise, with a likely range of 1–4 feet by 2100. Sea level at Portland has risen by about 7.4 inches since 1912 and is projected to rise another 1–4 feet by 2100.
State Climate Summaries 2022
Global sea level is projected to rise, with a likely range of 1–4 feet by 2100. Sea level at Portland has risen by about 7.4 inches since 1912 and is projected to rise another 1–4 feet by 2100.