NOAA Tides & Currents is delivered by NOAA's Center for Operational Oceanographic Products and Services, and provides access to the national infrastructure, science, and technical expertise to monitor, assess, and distribute tide, current, water level, and other coastal oceanographic products and services that support environmental stewardship and environmental assessment and prediction.

CO-OPS provides operationally sound observations and monitoring capabilities coupled with operational Nowcast Forecast modeling.

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The Center for Operational Oceanographic Products and Services (CO-OPS) and its predecessors have gathered oceanographic data along our nation's coasts for over 200 years to protect life, property, and the environment. Serving both the public and other government agencies, CO-OPS is the authoritative source for accurate, reliable, and timely water-level and current measurements that support safe and efficient maritime commerce, sound coastal management, and recreation. The combined efforts, knowledge, and experience of CO-OPS's technicians, scientists, and engineers working to carry out a central mission has led to the development of a reliable center of expertise for coastal physical oceanography.

Click Here to go to site: http://tidesandcurrents.noaa.gov/gmap3/