Data, Analyses, and Publications
Serving the Nation
Tides, Currents, and Predictions
Info and how to reach us
In the News - The U.S. ties record for number of high tide flooding days in 2018 – with more to come in 2019.
High and Low Water Conditions
Choose a state to access your local water levels, tide and current predictions, and other oceanographic and meteorological conditions.
Tides & Water Levels
Harmful Algal Bloom Forecasts
Sea Level Info
Coastal & Great Lakes Conditions Forecast
Meteorological & Other Oceanographic Data