NOAA's Role in Tides and Currents
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NOAA's National Ocean Service (NOS) has been monitoring sea level variations for many years. For some U.S. locations, sea level records exist for more than 100 years. The nation uses water level data for a variety of practical purposes, including hydrography, nautical charting, maritime navigation, coastal engineering and tsunami and storm surge warnings. Mariners use the information to advantageously time their approach to and exit from ports. Long-term applications include marine boundary determinations, tidal predictions, monitoring sea level trends, oceanographic research and climate research. Bridge, breakwater and deep-water channel construction also are affected by tidal and current changes.
Related Topics: Ocean Dynamics, Tides
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