Inundation Analysis Tool


8446493 PLYMOUTH, PLYMOUTH HARBOR, MA

Please see the data inventory to find a period with hourly or six-minute data available.
Data Inventory

Note that this is a historical station and data may be available between 1990-05-16 00:00:00.0 and 1990-09-15 23:59:00.0


Select a reference elevation and specify a date range for analysis.

You may select from an accepted tidal datum or specify a different elevation.
Most elevations on land are given relative to a geodetic datum such as NAVD88

All analysis results are presently provided in meters relative to the requested threshold.

Meters relative to MHHWFeet relative to MHHWDatum
MHHW 0.0 0.0 Mean Higher-High Water
MHW -0.134 -0.44 Mean High Water
DTL -1.606 -5.27 Mean Diurnal Tide Level
MTL -1.621 -5.32 Mean Tide Level
MSL -1.571 -5.15 Mean Sea Level
MLW -3.108 -10.2 Mean Low Water
MLLW -3.211 -10.53 Mean Lower-Low Water
NAVD88 -1.453 -4.77 North American Vertical Datum
User Specified Elevation         in       relative to   


Note: Data query is limited to a 10 year maximum and 1 month minimum date range when requesting an analysis of 6-minute data


6-minute Height and High Water Analysis
Hourly Height and High Water Analysis
Hourly Height Analysis