Inundation Analysis Tool


9454721 PERRY ISLAND (SOUTH BAY), 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 1966-06-06 00:00:00.0 and 1995-11-02 23:00:00.0


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 -0.29 -0.95 Mean High Water
DTL -1.822 -5.98 Mean Diurnal Tide Level
MTL -1.741 -5.71 Mean Tide Level
MSL -1.705 -5.59 Mean Sea Level
MLW -3.193 -10.48 Mean Low Water
MLLW -3.643 -11.95 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