Inundation Analysis Tool


9455653 Ninilchik, Cook Inlet, 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 1979-06-13 00:00:00 and 2011-10-03 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 -0.216 -0.71 Mean High Water
DTL -2.919 -9.58 Mean Diurnal Tide Level
MTL -2.729 -8.95 Mean Tide Level
MSL -2.703 -8.87 Mean Sea Level
MLW -5.243 -17.2 Mean Low Water
MLLW -5.838 -19.15 Mean Lower-Low Water
NAVD88 -3.948 -12.95 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