Two different marks
Find the station on the map
Blue circles are tide stations: a prediction of the rise and fall. Orange squares are flood gauges: a measurement of the water that is there. 3,083 tide charts, 152 coastal flood gauges.
Tide stations 3,083Flood gauges 152
Open a state
Alabama19Alaska388California196Connecticut42Delaware22District of Columbia5Florida520Georgia96Hawaii32Louisiana85Maine112Maryland96Massachusetts88Mississippi24New Hampshire6New Jersey192New York126North Carolina74Oregon57Pennsylvania15Puerto Rico48Rhode Island33South Carolina255Texas75Virginia138Washington162
New to the water? Read how tides work and the rest of the guides.