Inundation Analysis Tool


8423898 Fort Point, NH

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 1976-08-12 00:00:00 and 2020-04-13 00:00:00


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 -0.13 -0.43 Mean High Water
DTL -1.431 -4.69 Mean Diurnal Tide Level
MTL -1.445 -4.74 Mean Tide Level
MSL -1.434 -4.7 Mean Sea Level
MLW -2.76 -9.06 Mean Low Water
MLLW -2.863 -9.39 Mean Lower-Low Water
NAVD88 -1.339 -4.39 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