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Lake Champlain at Port Henry

Highest listed crest 100.49 ftFlood stage 99.5 ft8 crests since 2016

The Lake Champlain at Port Henry crested above flood stage 2 times among the 8 crests the National Weather Service lists from 2016 to 2023. The highest, 100.49 ft on April 29, 2019, was minor flooding, 0.99 feet above flood stage.

The gauge

Highest listed crest
100.49 ft
April 29, 2019
Flood stage
99.5 ft
Major flooding from 101.0 ft
Crests at major
0
2 above flood stage
Most recent flood crest
April 29, 2019
100.49 ft, minor flooding
Location
Essex County
New York

Flood stages

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

Flood categories, Lake Champlain at Port Henry
Action stage99.03Dec 21, 2023The level at which the NWS or its partners begin to take action
Flood stage (minor)99.52Apr 29, 2019Minimal or no property damage, but possibly some public threat
Moderate flood stage100.50—Some inundation of structures and roads near the stream
Major flood stage101.00—Extensive inundation of structures and roads

Every listed crest

8 crests from 2016 to 2023. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Lake Champlain at Port Henry, 2016 to 2023 979899100101ft Flood stage 99.5 ftMajor 101.0 ft Apr 3, 2016: 97.82 ft, below flood stageApr 24, 2017: 99.40 ft, action stageMay 7, 2018: 99.58 ft, minor floodingApr 29, 2019: 100.49 ft, minor floodingApr 15, 2020: 98.20 ft, below flood stageMay 7, 2021: 97.07 ft, below flood stageApr 24, 2022: 99.01 ft, action stageDec 21, 2023: 99.17 ft, action stage Highest, 100.49 ft, Apr 29, 2019 20202025

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Lake Champlain at Port Henry 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, Lake Champlain at Port Henry
1Apr 29, 2019100.49+0.99Minor—
2May 7, 201899.58+0.08Minor—
3Apr 24, 201799.40−0.10Action—
4Dec 21, 202399.17−0.33Action—
5Apr 24, 202299.01−0.49Action—
6Apr 15, 202098.20−1.30Below flood stage—
7Apr 3, 201697.82−1.68Below flood stage—
8May 7, 202197.07−2.43Below flood stage—

Other gauges in Essex County

Flood gauges in Essex County
Willsboro8.012.35 ft, Aug 29, 20111
Au Sable Forks7.018.51 ft, Aug 29, 201115
Newcomb12.512.84 ft, Jan 9, 19980

Essex County: every hazard · River floods across the country · New York

NOAA National Water Prediction Service, gauge PHCN6, 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.