Inundation Analysis Tool

9462786 SE Tigalda Island, Pacific Ocean, 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 2013-05-22 00:00:00.0 and 2013-08-16 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 -0.18 -0.59 Mean High Water
DTL -0.807 -2.65 Mean Diurnal Tide Level
MTL -0.695 -2.28 Mean Tide Level
MSL -0.713 -2.34 Mean Sea Level
MLW -1.211 -3.97 Mean Low Water
MLLW -1.614 -5.3 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