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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.

Hydrological Unit: Long Island-Atlantic Ocean

HUC Name
020302020901 Great South Bay-Atlantic Ocean
020302020902 Moriches Bay-Atlantic Ocean
020302020903 020302020903-Atlantic Ocean