Sea Level Rise and Coastal Flooding Impacts
The map viewer provides a preliminary look at sea level rise and coastal flooding impacts to coastal resource managers and planners. This screening-level tool uses best-available, nationally consistent …
Coastal Inundation - National Oceanic and Atmospheric Administration
Real-time water levels, 48-hour forecasts of water levels, and historic flooding information are provided at a majority of coastal water-level stations operated by the National Ocean Service Center for …
Adapting Stormwater Management for Coastal Floods
Here you can design a few scenarios for a part of your stormwater system and follow the steps to help paint the big picture for different combinations of coastal flooding (for example, 25-yr sea level rise …
Understanding Stormwater Inundation
To understand the impact of coastal flooding on stormwater management, you must be aware of the types of flooding that coastal communities experience. There are three primary causes: rainfall …
Sea Level Rise Viewer
Use this web mapping tool to visualize community-level impacts from coastal flooding or sea level rise (up to 10 feet above average high tides). Photo simulations of how future flooding might impact local …
Coastal Flood Exposure Mapper - National Oceanic and Atmospheric ...
This online visualization tool supports communities that are assessing their coastal hazard risks and vulnerabilities. The tool creates a collection of user-defined maps that show the people, places, and …
Coastal Inundation Dashboard - National Oceanic and Atmospheric ...
View real-time, forecasted, and historical water level information to understand near-term inundation risks, such as impacts from tropical cyclones or nor’easters, and longer-term risks, such as high tide …
Coastal Flood Exposure Mapper
Nov 3, 2025 · The purpose of this mapping application is to provide a preliminary look at exposure to common types of coastal flooding. The viewer is a screening-level tool that uses nationally consistent …
High Tide Flooding - National Oceanic and Atmospheric Administration
Assessed over several decades, the national trend in high tide flooding frequency is accelerating, and is more than twice as likely now as it was in 2000. The rapid growth is in response to relative sea level …
Take Action - National Oceanic and Atmospheric Administration
Communities have a range of measures to help them protect existing stormwater infrastructure from coastal flooding and damage caused by flood-related wave action, erosion, sedimentation, or …