Notice: On Wednesday, February 26th, starting at 1:30 p.m to 2:30 p.m. EDT, there will be an IT system maintenance performed affecting the Tides and Currents website. During this time, the Tides and Currents website will be running with limited capabilities.
Click here for impacted products.

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NOTICE: These raw data are derived from the water level network operated by the Florida Department of Environmental Protection (FDEP), Bureau of Surveying and Mapping (BSM), a coastal observing system that uses National Ocean Service (NOS) data collection procedures. These stations transmit data via GOES once every three hours. Tidal datums and predictions are produced by CO-OPS, derived from the raw data collected by BSM. NOTE: most of these stations have a station zero of NAVD88, resulting in a negative value for MLLW. For information on the BSM, go to BSM.

Products available at 8720211 Mayport Naval Sta., St Johns River, FL