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Atlantic Coast at Chatham Harbor (IN MLLW)

Highest listed crest 9.76 ftFlood stage 9.0 ft9 crests since 2010

The Atlantic Coast at Chatham Harbor (IN MLLW) crested above flood stage 2 times among the 9 crests the National Weather Service lists from 2010 to 2022. The highest, 9.76 ft on January 3, 2014, was minor flooding, 0.76 feet above flood stage.

The gauge

Highest listed crest
9.76 ft
January 3, 2014
Flood stage
9.0 ft
Major flooding from 13.0 ft
Crests at major
0
2 above flood stage
Most recent flood crest
January 3, 2014
9.76 ft, minor flooding
Location
Barnstable County
Massachusetts
Identifiers
NWS CHTM3
No USGS station

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Atlantic Coast at Chatham Harbor (IN MLLW)
Action stage8.07Dec 23, 2022The level at which the NWS or its partners begin to take action
Flood stage (minor)9.02Jan 3, 2014Minimal or no property damage, but possibly some public threat
Moderate flood stage11.50—Some inundation of structures and roads near the stream
Major flood stage13.00—Extensive inundation of structures and roads

Every listed crest

9 crests from 2010 to 2022. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Atlantic Coast at Chatham Harbor (IN MLLW), 2010 to 2022 8910111213ft Flood stage 9.0 ftMajor 13.0 ft Jan 2, 2010: 8.77 ft, action stageFeb 26, 2010: 8.78 ft, action stageDec 27, 2010: 8.73 ft, action stageFeb 9, 2013: 9.69 ft, minor floodingMar 8, 2013: 8.80 ft, action stageJan 3, 2014: 9.76 ft, minor floodingFeb 8, 2016: 8.63 ft, action stageJan 30, 2018: 8.81 ft, action stageDec 23, 2022: 8.54 ft, action stage Highest, 9.76 ft, Jan 3, 2014 201020152020

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Atlantic Coast at Chatham Harbor (IN MLLW) 2010s: 2 2 2020s: 0 2010s2020s
  1. These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
  2. Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, Atlantic Coast at Chatham Harbor (IN MLLW)
1Jan 3, 20149.76+0.76Minor—
2Feb 9, 20139.69+0.69Minor—
3Jan 30, 20188.81−0.19Action—
4Mar 8, 20138.80−0.20Action—
5Feb 26, 20108.78−0.22Action—
6Jan 2, 20108.77−0.23Action—
7Dec 27, 20108.73−0.27Action—
8Feb 8, 20168.63−0.37Action—
9Dec 23, 20228.54−0.46Action—

Other gauges in Barnstable County

Flood gauges in Barnstable County
Atlantic Coast at Dennis Sesuit Harbor (IN MLLW)13.016.38 ft, Jan 27, 20152
Atlantic Coast at Hyannisport (IN MLLW)5.08.30 ft, Dec 18, 20230
Atlantic Coast at Provincetown Harbor (IN MLLW)13.015.38 ft, Jan 4, 20181
Atlantic Coast near Sandwich Canal Side (In MLLW)12.012.99 ft, Mar 10, 20240
Buzzards Bay at Woods Hole (IN MLLW)5.510.78 ft, Sep 20, 19382

Barnstable County: every hazard · River floods across the country · Massachusetts

NOAA National Water Prediction Service, gauge CHTM3, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.