Skip to main content

An official website of the United States government

Here’s how you know

Here’s how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Data
Metrics
Organizations
User Guide
Contact

Search datasets

Found 8 datasets matching filters. (clear all filters)

Sort by

Draw a geographic box

Draw and drag to set the area, then Apply . Use Within/Intersect to match datasets to the box. The map displays top 20 Within results.

Within

Intersect

#1 Federal
Inundation Mapping Tidal Surface - Mean Higher High Water
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Dataset Last Updated: January 01, 2019 at 12:00 AM
These data are a derived product of the NOAA VDatum tool and they extend the tool's Mean Higher High Water (MHHW) tidal datum conversion inland beyond its original extent. VDatum was designed to...
- ZIP
- HTML
- HTML
- HTML
- HTML
- HTML
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 02, 2026 at 11:33 PM
#2 Federal
Vertical Datum Transformation
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Dataset Last Updated: December 01, 2015 at 12:00 AM
VDatum is a free software tool being developed jointly by NOAA's National Geodetic Survey (NGS), Office of Coast Survey (OCS), and Center for Operational Oceanographic Products and Services...
- HTML
- HTML
- HTML
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 04:22 AM
#3 Federal
Cape Cod MHHW-NAVD88 Conversion Surface
- Organization: Department of the Interior
- Dataset Last Updated: January 01, 2014 at 12:00 AM
This layer was developed as part of the project "Assessing Inundation Risk from Sea Level Rise and Storm Surge for the Northeast Coastal National Parks" The Parks included in this study are Acadia...
- ZIP
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 07:15 PM
#4 Federal
George Washington Birthplace MHHW-NAVD88 Conversion Surface
- Organization: Department of the Interior
- Dataset Last Updated: January 01, 2014 at 12:00 AM
This layer was developed as part of the project "Assessing Inundation Risk from Sea Level Rise and Storm Surge for the Northeast Coastal National Parks" The Parks included in this study are Acadia...
- ZIP
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 07:29 PM
#5 Federal
Gateway MHHW-NAVD88 Conversion Surface
- Organization: Department of the Interior
- Dataset Last Updated: January 01, 2014 at 12:00 AM
This layer was developed as part of the project "Assessing Inundation Risk from Sea Level Rise and Storm Surge for the Northeast Coastal National Parks" The Parks included in this study are Acadia...
- ZIP
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 07:12 PM
#6 Federal
Fire Island MHHW-NAVD88 Conversion Surface
- Organization: Department of the Interior
- Dataset Last Updated: January 01, 2014 at 12:00 AM
This layer was developed as part of the project "Assessing Inundation Risk from Sea Level Rise and Storm Surge for the Northeast Coastal National Parks" The Parks included in this study are Acadia...
- ZIP
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 07:15 PM
#7 Federal
Assateague Island MHHW- NAVD88 Conversion Surface
- Organization: Department of the Interior
- Dataset Last Updated: January 01, 2014 at 12:00 AM
This layer was developed as part of the project "Assessing Inundation Risk from Sea Level Rise and Storm Surge for the Northeast Coastal National Parks" The Parks included in this study are Acadia...
- ZIP
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 07:17 PM
#8 Federal
Boston Harbor Islands MHHW-NAVD88 Conversion Surface
- Organization: Department of the Interior
- Dataset Last Updated: January 01, 2014 at 12:00 AM
This layer was developed as part of the project "Assessing Inundation Risk from Sea Level Rise and Storm Surge for the Northeast Coastal National Parks" The Parks included in this study are Acadia...
- ZIP
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 07:17 PM

Filters

Clear filters

Filter selections are applied on each click

Filter by Geography
Start typing to see suggestions or use the pencil button to open a larger map

Filter by keyword
Start typing to see suggestions

Popular keywords:

Filter by organization
Start typing to select an organization

Popular organizations:

Organization Type

Federal Government

City Government

State Government

County Government

University

Tribal

Non-Profit

Filter by publisher
Start typing to select a publisher

Popular publishers:

Spatial Data options

All datasets

Geospatial only

Non-geospatial only

Data Access

Only show datasets with a downloadable file

About
Open Government
Website Policies
PERFORMANCE.GOV
Data.gov on Github

Follow @GSA

data.gov

An official website of the GSA's Technology Transformation Services

About GSA
Accessibility statement
FOIA requests
No FEAR Act data
Office of the Inspector General
Performance reports
Privacy policy

Looking for U.S. government information and services?

Visit USA.gov