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, …

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 …

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, …

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 …

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 …

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, …

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 …

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: …

Apr 29, 2025 · High-tide flooding mostly affects low-lying areas and exposed infrastructure, such as roads, water systems, and private or commercial properties. Currently, high-tide flooding …

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, …