Boothbay Harbor Tide Gage (MLLW)

Highest listed crest 13.54 ftFlood stage 13.0 ft1 crests since 2024

The Boothbay Harbor Tide Gage (MLLW) crested above flood stage 1 time among the 1 crests the National Weather Service lists from 2024 to 2024. The highest, 13.54 ft on December 5, 2024, was minor flooding, 0.54 feet above flood stage.

The gauge

Highest listed crest: 13.54 ft; December 5, 2024
Flood stage: 13.0 ft; Major flooding from 15.0 ft
Crests at major: 0; 1 above flood stage
Most recent flood crest: December 5, 2024; 13.54 ft, minor flooding
Location: Lincoln County; Maine
Identifiers: NWS BTBM1; 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, Boothbay Harbor Tide Gage (MLLW)

Action stage	12.5	0	—	The level at which the NWS or its partners begin to take action
Flood stage (minor)	13.0	1	Dec 5, 2024	Minimal or no property damage, but possibly some public threat
Moderate flood stage	14.0	0	—	Some inundation of structures and roads near the stream
Major flood stage	15.0	0	—	Extensive inundation of structures and roads

Every listed crest

1 crests from 2024 to 2024. Filled: at or above flood stage. Hover a crest for its date and stage.

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.
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, Boothbay Harbor Tide Gage (MLLW)

1	Dec 5, 2024	13.54	+0.54	Minor	—

Other gauges in Lincoln County

Flood gauges in Lincoln County

North Whitefield	8.0	13.71 ft, Apr 1, 1987	6

Lincoln County: every hazard · River floods across the country · Maine

NOAA National Water Prediction Service, gauge BTBM1, 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.