Boston Flood Map

Real-time gauge levels and flood conditions for Boston, MA

Boston faces increasing coastal flood risk as sea levels rise, with much of the Back Bay and Seaport districts built on filled land vulnerable to storm surges.

Key waterways: Charles River, Mystic River and Boston Harbor. Monitoring NOAA gauges within 25 miles.

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Real-Time US Flood Map — Live Water Levels, Flood Alerts & Conditions