Inundation Analysis Tool


9438772 Cathcart Landing, OR

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 2013-05-30 00:00:00.0 and 2013-10-10 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 -0.212 -0.7 Mean High Water
DTL -1.346 -4.42 Mean Diurnal Tide Level
MTL -1.277 -4.19 Mean Tide Level
MSL -1.274 -4.18 Mean Sea Level
MLW -2.343 -7.69 Mean Low Water
MLLW -2.692 -8.83 Mean Lower-Low Water
NAVD88 -2.713 -8.9 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