Climate
What is Maine's sea-level rise?
Sea-level rise at Portland, Maine — inches above the early-1900s average (NOAA Tides & Currents).
Maine's sea-level rise was 7.9 in in 2025, down from 9.8 in a year earlier.
| Period | Sea-level rise |
|---|---|
| 2025 | 7.9 in |
| 2024 | 9.8 in |
| 2023 | 10.4 in |
| 2022 | 7.2 in |
| 2021 | 7.6 in |
| 2020 | 7.5 in |
| 2019 | 7.7 in |
| 2018 | 7.2 in |
| 2017 | 7.2 in |
| 2016 | 6.0 in |
| 2015 | 4.4 in |
| 2014 | 6.6 in |
| 2013 | 6.9 in |
| 2012 | 7.7 in |
| 2011 | 7.9 in |
| 2010 | 9.8 in |
| 2009 | 6.8 in |
| 2008 | 4.7 in |
| 2007 | 3.9 in |
| 2006 | 6.1 in |
| 2005 | 7.1 in |
| 2004 | 4.9 in |
| 2003 | 4.3 in |
| 2002 | 3.5 in |
Latest: . Source: NOAA Tides & Currents. Figures update as the source refreshes.
- Source
- NOAA Tides & Currents
- Coverage
- annual since 1912
- Geography
- Maine
- Access
- Free & public
Permalink
https://mainestats.org/chart/sea-level
Cite this
MaineStats, “Sea-level rise.” Data: NOAA Tides & Currents. Retrieved July 25, 2026. https://mainestats.org/chart/sea-level
Embed this chart
Interactive, mobile-friendly, and always up to date — free to use with attribution. Paste this where you publish.
<iframe src="https://mainestats.org/embed/sea-level" title="Sea-level rise — MaineStats" width="100%" height="470" style="border:1px solid #e6e8e8;border-radius:10px" loading="lazy"></iframe>
MaineStats normalizes public data and presents it free of charge. The underlying figures come from NOAA Tides & Currents; if a number here disagrees with the original source, the original source is right. See all data sources.