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Federal
Sea Level Trends: Sea Level Variations of the United States Derived from National Water Level Observation Network Stations NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
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)... -
Federal
Meteorological Data (including visibility)
National Oceanic and Atmospheric Administration, Department of Commerce —
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.... -
Federal
Tides and Currents Map: an interactive map of all CO-OPS stations NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
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.... -
Federal
Integrated Surface Dataset (Global) (Version Superseded)
National Oceanic and Atmospheric Administration, Department of Commerce —
This version has been superseded by a newer version. It is highly recommended for users to access the current version. Users should only access this superseded... -
Federal
Coastal Ocean Reanalysis (CORA)
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA's Coastal Ocean Reanalysis (CORA) couples long-term water level observations with hydrodynamic modeling to create historical information between tide stations to... -
Federal
High Tide Flooding Products from NOAA CO-OPS
National Oceanic and Atmospheric Administration, Department of Commerce —
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,... -
Federal
Physical Oceanographic (Water Temperature and Conductivity) Data
National Oceanic and Atmospheric Administration, Department of Commerce —
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,... -
Federal
Monterey Bay National Marine Sanctuary: Sanctuary Integrated Monitoring Network (SIMoN)
National Oceanic and Atmospheric Administration, Department of Commerce —
The Sanctuary Integrated Monitoring Network (SIMoN) is an integrated, long-term program that takes an ecosystem approach to identify and understand changes to the... -
Federal
NOAA Tidal Currents for Coastal, Estuaries and Great Lakes (non-tidal) regions
National Oceanic and Atmospheric Administration, Department of Commerce —
Since the late-1800s, NOAAâs Center for Operational Oceanographic Products and Services (CO-OPS) and its predecessors have been collecting, analyzing and... -
Federal
CO-OPS Air Gap Observations from Various Bridges within the United States and Its Territories
National Oceanic and Atmospheric Administration, Department of Commerce —
The Center for Operational Oceanographic Products and Services (CO-OPS) of the National Ocean Service (NOS), an organizational element of NOAA, operates and maintains... -
Federal
NOAA Water Levels for Coastal, Estuaries and Great Lakes regions
National Oceanic and Atmospheric Administration, Department of Commerce —
For over 200 years, NOAA's Center for Operational Oceanographic Products and Services (CO-OPS) and its predecessors have been managing a comprehensive system for... -
Federal
Extreme Water Levels from CO-OPS
National Oceanic and Atmospheric Administration, Department of Commerce —
Extremely high or low water levels at coastal locations are an important public concern and a factor in coastal hazard assessment, navigational safety, and ecosystem... -
Federal
Near-Real Time Surface Ocean Velocity, Puerto Rico and the Virgin Islands, 6km Resolution, 2025-present
National Oceanic and Atmospheric Administration, Department of Commerce —
Surface ocean velocities estimated from High Frequency (HF)-Radar are representative of the upper 2.4 meters of the ocean. The main objective of near-real time... -
Federal
NOAA NCCOS: New England Red Tide Research
National Oceanic and Atmospheric Administration, Department of Commerce —
Alexandrium blooms are one of several algal bloom types often called "red tides," but more correctly referred to as Harmful Algal Blooms (HABs). Alexandrium produces... -
Federal
CO-OPS Water Level Data from the Coastal Tide Gauge and Great Lake Water Level Network of the United States and US Territories
National Oceanic and Atmospheric Administration, Department of Commerce —
The Center for Operational Oceanographic Products and Services (CO-OPS) of the National Ocean Service (NOS), an organizational element of NOAA, operates and maintains... -
Federal
Tide Model for the Big Island of Hawaii
National Oceanic and Atmospheric Administration, Department of Commerce —
Tide model for the Big Island of Hawaii. The model is based on climatological stratification, but 64 harmonics are used to model the full-depth baroclinic tides. The... -
Federal
Massachusetts Bay - Internal Wave Packets Digitized from SAR Imagery and Intersected with Tidal Zones
National Oceanic and Atmospheric Administration, Department of Commerce —
This feature class contains internal wave packets digitized from SAR imagery and intersected with tidal zones for Massachusetts Bay. The internal wave packets were... -
Federal
Tide Model for the Hawaiian Islands: Main NW Islands
National Oceanic and Atmospheric Administration, Department of Commerce —
Tide model for the Hawaiian Islands. The model is based on climatological stratification, but 64 harmonics are used to model the full-depth baroclinic tides. The... -
Federal
Near-Real Time Surface Ocean Velocity, Puerto Rico and the Virgin Islands, 2km Resolution, 2025-present
National Oceanic and Atmospheric Administration, Department of Commerce —
Surface ocean velocities estimated from High Frequency (HF)-Radar are representative of the upper 1.0 meters of the ocean. The main objective of near-real time... -
Federal
Automation of Field Operations and Services (AFOS) National Weather Service (NWS) Service Records and Retention System (SRRS) Data
National Oceanic and Atmospheric Administration, Department of Commerce —
Service Records and Retention System (SRRS) is historical digital data set DSI-9949, a collection of products created by the U.S. National Weather Service (NWS) and...
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