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Total Water Level and Coastal Change Forecast Viewer

Total water level (TWL) at the shoreline is the combination of tides, surge, and wave runup. A forecast of TWL is an estimate of the elevation where the ocean will meet the coast and can provide guidance on potential coastal erosion and flooding hazards.

Post-Hurricane Matthew coastal oblique aerial photographs collected Port St. Lucie, Florida, to Kitty Hawk, North Carolina, October 13-15, 2016

The U.S. Geological Survey (USGS), as part of the National Assessment of Coastal Change Hazards (NACCH) conducts baseline and storm-response photography missions to document and understand the changes in the vulnerability of the Nation's coasts to extreme storms and longer-term processes related to sediment supply and sea-level rise. On October 13?15, 2016, the USGS's NACCH project conducted an ob

National Water Information System web interface (NWISweb)

The National Water Information System (NWIS) web application provides access to real-time and historical surface-water, groundwater, water-quality, and water-use data collected at approximately 1.5 million sites across all 50 states.

Hurricane Matthew Overwash Extents

The National Assessment of Coastal Change Hazards project exists to understand and predict storm impacts to our nation's coastlines. This data defines the alongshore extent of overwash deposits attributed to coastal processes during Hurricane Matthew.

Hurricane and Flood Response Map Viewer

The USGS Flood Event Viewer (FEV) is the public data discovery component of the Short-Term Network (STN) database. Data viewable and downloadable from this page are from the STN database. This application integrates with the USGS National Water Information System (NWIS) database  for display of time-series water data.

Flood Watch

Maps of flood and high flow conditions within the U.S.