Inundation Analysis Tool


9465374 Snag Point, Dillingham, AK

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 1948-07-01 00:00:00.0 and 2012-08-25 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 -0.534 -1.75 Mean High Water
DTL -3.145 -10.32 Mean Diurnal Tide Level
MTL -3.059 -10.04 Mean Tide Level
MSL -2.988 -9.8 Mean Sea Level
MLW -5.586 -18.33 Mean Low Water
MLLW -6.291 -20.64 Mean Lower-Low Water
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