Inundation Analysis Tool


9465911 Kwigillingok, 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 2019-05-05 00:00:00 and 2019-09-14 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 -0.637 -2.09 Mean High Water
DTL -1.583 -5.19 Mean Diurnal Tide Level
MTL -1.809 -5.94 Mean Tide Level
MSL -1.719 -5.64 Mean Sea Level
MLW -2.981 -9.78 Mean Low Water
MLLW -3.166 -10.39 Mean Lower-Low Water
NAVD88 -2.892 -9.49 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