Frenchman Bay at Bar Harbor (IN MLLW)
Maine — Water Level & Flood Stage
Located in Hancock County, Maine on the Frenchman Bay. Live water level data from USGS, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: ATGM1). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
18 ft
Moderate Flood
17 ft
Minor Flood
15 ft
Action Stage
14.5 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
21 ft
2-3 feet of water across State Route 3 in Hulls Cove threatening structures along the road.
19.5 ft
1-2 feet of water over State Route 3 in Hulls Cove, likely resulting in the closure of the road.
19 ft
Minor flooding begins on State Route 3 in Hulls Cove but may still be passable.
18 ft
Water threatening or enetering buildings in Downtown Bar Harbor. Flood waters greater than 3 feet over the pier and 1-2 feet in parking lots.
17 ft
Nearly 2 feet of water on the Bar Harbor pier and water entering other parking lots downtown.
16 ft
Bar Harbor pier becomes indundated with up to 1ft of water with closure of the pier expected.
15 ft
Minor low-lying coastal flooding begins to occur. Water enters the Bar Harbor pier and other vulnerable low lying areas of MDI.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Jan 12, 2024 | 15.8 ft | — |
| Jan 12, 2024 | 15.8 ft | — |
| Jan 9, 2024 | 15.7 ft | — |
| Jan 9, 2024 | 15.7 ft | — |
| Apr 9, 2020 | 15.22 ft | — |
About This Gauge
NWS LID
ATGM1
River
Frenchman Bay
County
Hancock, ME
Coordinates
44.3917°N, 68.2092°W
Get Flood Alerts for Frenchman Bay
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Frenchman Bay at Bar Harbor (IN MLLW)?
The Frenchman Bay at Bar Harbor (IN MLLW) gauge is maintained by USGS and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Frenchman Bay at Bar Harbor (IN MLLW)?
The NWS-defined flood stage for Frenchman Bay at Bar Harbor (IN MLLW) is 15 feet. Action stage begins at 14.5 feet. Moderate flooding starts at 17 feet, and major flooding at 18 feet.
How do I get alerts when Frenchman Bay rises?
Download StormCast free on Google Play, go to River Gauges, and add Frenchman Bay at Bar Harbor (IN MLLW) to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Frenchman Bay at Bar Harbor (IN MLLW) gauge located?
The gauge is located in Hancock County, Maine at coordinates 44.3917°N, 68.2092°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
- Coastal flood impacts are dependent upon waves as <style type="text/css"> .style1 { background-color: #FFFF00;}</style> well as tide level. High waves can result in flooding even if the tide level is below flood stage. Please refer to <a href="https://forecast.weather.gov/product.php?site=NWS&issuedby=CAR&product=CFW&format=CI&version=1&glossary=0"> <span class="style1">Coastal Flood Advisories and Warnings</span></a> for official water level forecasts during periods of coastal flooding. During tropical cyclones, please refer<span class="style1"> </span> <a href="https://forecast.weather.gov/product.php?site=NWS&issuedby=CAR&product=TCV&format=CI&version=1&glossary=1"> <span class="style1">here</span></a> for additional storm surge information.