The NOAA National Centers for Environmental Information ceased providing support for this product in May 2025 in response to an initiative to implement reductions within the...

Water level records are a combination of the fluctuations of the ocean and the vertical land motion at the location of the station. Monthly mean sea level (MSL) variations were...

The National Ocean Service (NOS) maintains a long-term database containing data from active and historic stations installed all over the United States and U.S. territories....

NOAA is responsible for depicting on its nautical charts the limits of the 12 nautical mile Territorial Sea, 24 nautical mile Contiguous Zone, and 200 nautical mile Exclusive...

This dataset contains data from manipulated experimental seawater chemistry conditions and Pacific cod (Gadus macrocephalus) embryos and larvae growth and development impacts....

This interactive map has many features designed to provide a quick and easy way to find a Center for Operational Oceanographic Products and Services (CO-OPS) station. It can be...

Mussel Watch is the longest running continuous chemical contaminant monitoring program in U.S. coastal and Great Lakes waters and was created in response to concerns over...

This file represents salmonid freshwater and estuarine Essential Fish Habitat (EFH) in the western United States. Congress, through the Magnuson-Stevens Act, defined EFH as...

The Social Vulnerability Index (SoVI) 2006-10 measures the social vulnerability of U.S. counties to environmental hazards. The index is a comparative metric that facilitates the...

The NOAA Coastal Change Analysis Program (C-CAP) produces national standardized land cover and change products for the coastal regions of the U.S. C-CAP products inventory...

High tide flooding is the overflow or excess accumulation of water that covers typically dry coastal land and occurs during high tides. As relative sea levels rise, high tide...

The NFHAP Coastal Spatial Framework and Indicator Datasets consist of a geospatial base layer developed in ArcGIS, and associated data fields joined to the spatial framework....

Water quality observations made over long time periods can provide important feedback to scientists and to local, state, and national resource managers about actions taken to...

These data show aquatic vascular vegetation beds dominated by submerged, rooted, vascular species or submerged or rooted floating freshwater tidal vascular vegetation. This is...

NOAA's Center for Operational Oceanographic Products and Services (CO-OPS) is the authoritative source for accurate, reliable, and timely data on tides, water levels, currents,...

Bathymetry for the Columbia River was derived from forty-five surveys containing 306,711 soundings. Nine older, overlapping, less accurate surveys were omitted before tinning...

From 1994 to 2005, The National Marine Mammal Laboratories' California Current Ecosystem Program (AFSC/NOAA) collected fecal samples at the Umpqua River, Oregon and Columbia...

IOOS Sensor Observation Service (SOS) Server for NANOOS, the Northwest Association of Networked Ocean Observing Systems (http://nanoos.org). Provides access to marine in-situ...

The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation...

Since the late-1800s, NOAA’s Center for Operational Oceanographic Products and Services (CO-OPS) and its predecessors have been collecting, analyzing and distributing...