Inundation Analysis Tool


9447973 NAS Whidbey Island

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 2016-05-03 00:00:00.0 and 2016-09-14 00:00:00.0


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 -0.19 -0.62 Mean High Water
DTL -1.134 -3.72 Mean Diurnal Tide Level
MTL -0.895 -2.94 Mean Tide Level
MSL -0.914 -3.0 Mean Sea Level
MLW -1.6 -5.25 Mean Low Water
MLLW -2.267 -7.44 Mean Lower-Low Water
NAVD88 -2.167 -7.11 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