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Inundation Analysis Tool

9439040 Astoria, OR Data Inventory
Please select a reference elevation and specify a date range for analysis.
You may select from an accepted tidal datum or specify a different elevation.
All elevations must be entered relative to station datum. Values are in Meters.

MHHW 3.305 Mean Higher-High Water
MHW 3.099 Mean High Water
DTL 1.993 Mean Diurnal Tide Level
MTL 2.068 Mean Tide Level
MSL 2.054 Mean Sea Level
MLW 1.036 Mean Low Water
MLLW 0.681 Mean Lower-Low Water
NAVD 0.615 North American Vertical Datum

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Note: Data query is limited to a 5 year maximum and 1 month minimum date range.


Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services