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Local Info
Critical Stages
11.5' - Action12.5' - Flood14' - Moderate Flood15' - Major Flood
Boston Harbor - Gauge BHBM3
Boston, MA
Lat: 42.35N, Lon: 71.05W
 
Latest Observation
 Updated: 8:42 AM EDT 10/8/25
Stage:4.16 ft
Flow:-999 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests
Historical crest information is not available.

Data provided by NOAA Advanced Hydrologic Prediction Service

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