Inundation Analysis Tool


9465203 Naknek, 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 2019-07-11 00:00:00 and 2019-10-20 23:59:00


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 -0.46 -1.51 Mean High Water
DTL -3.054 -10.02 Mean Diurnal Tide Level
MTL -3.087 -10.13 Mean Tide Level
MSL -3.322 -10.9 Mean Sea Level
MLW -5.715 -18.75 Mean Low Water
MLLW -6.109 -20.04 Mean Lower-Low Water
NAVD88 -4.731 -15.52 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