These data depict the potential inundation extent of coastal areas resulting from minor high tide flooding, as defined by the NOAA Technical Report NOS CO-OPS 086: Patterns and Projections of High Tide Flooding Along the U.S. Coastline Using a Common Impact Threshold. For more information on how these data were created, see the High Tide Flood Mapping Methods document.
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Website Owner: NOAA Office for Coastal Management | Last Modified: Thu Sep 25 13:47:09 2025