coastal Beginner Featured

NOAA Sea Level Rise Viewer

Visualise the potential impacts of sea level rise on coastal communities

Addresses
Coastal & Sea Level
Cost
Free · Open-source
Open-Source
Difficulty
Beginner
Language
—
Updated
2024

You provide

  • Location / coastal area of interest
  • Sea level rise scenario (0–10 ft)
  • Tidal datum

You get

  • Inundation maps
  • Coastal flood-frequency layers
  • Marsh migration projections
  • Social vulnerability overlays

Overview

The NOAA Sea Level Rise Viewer is a free, browser-based mapping tool that lets anyone visualise how rising seas and coastal flooding could affect U.S. shorelines under a range of scenarios — no GIS skills required.

Key features

  • Interactive sea level rise maps from 0 to 10 feet
  • Coastal flooding and “high-tide flooding” frequency layers
  • Marsh-migration and wetland-impact projections
  • Social and economic vulnerability overlays

Who it’s for

Coastal planners, emergency managers, and community groups assessing exposure and communicating risk to the public.

Getting started

Open the viewer, search for a location, and use the scenario slider to explore inundation depth and extent.