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NOS CO-OPS Water Level Data, Tide Prediction, 6-Minute

Published by NOAA NMFS SWFSC Environmental Research Division | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: December 19, 2025 | Last Modified: 2022-09-01T00:00:00.000+00:00
This dataset has High Low Tide Predictions from NOAA NOS Center for Operational Oceanographic Products and Services (CO-OPS). The official Tide and Tidal Current prediction tables are published annually on October 1, for the following calendar year. Tide and Tidal Current predictions generated prior to the publishing date of the official tables are subject to change. The enclosed data are based upon the latest information available as of the date of your request. Tide and Tidal Current predictions generated may differ from the official predictions if information for the station requested has been updated since the publishing date of the official tables. WARNING: * Queries for data MUST include stationID=, time>= and time<=. Queries MUST be for less than 30 days worth of data. * This dataset only returns data for the MLLW (Mean Lower-Low Water) datum. * The data source isn't completely reliable. If your request returns no data when you think it should: * Try revising the request (e.g., a different time range). * The list of stations offering this data may be incorrect. * Sometimes a station or the entire data service is unavailable. Wait a while and try again.

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