NOAA Tides and Currents, managed by the Center for Operational Oceanographic Products and Services (CO-OPS), is the portal to the National Oceanic and Atmospheric Administration's vast collection of oceanographic and meteorological data (historical and real-time), predictions, and nowcasts and forecasts.

Tides Water Levels Currents Predictions Meterological Observations Bench Marks Datums Forecast/ Nowcast Harmonic Constituents

Operational Water Level Forecast/Nowcast

CO-OPS provides 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 NOAA's misson of environmental stewardship and environmental assessment and prediction. CO-OPS provides operationally sound observations and monitoring capabilities coupled with operational Nowcast Forecast modeling.

New Zoomable Data Map