Are NODC Products and Data Free?
NODC makes every effort to place most datasets online where they can be obtained for free. However, NODC must recover the costs for producing CD-ROM & DVD products and some publications. Also, having a customer service representative do a customized retrieval for you will also have some fee involved. See the NODC Ordering and Payment Procedures. CD-ROMs & DVDs and Publications can also be ordered from the Online Store at a discount. The NODC website is provided as a public service by the U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Environmental Satellite, Data and Information Service. Information presented on these web pages is considered public information and may be distributed or copied. Use of appropriate byline/photo/image credit is requested. • What are tides? Where can I get tide predictions and other tide-related measurements? Tides are rhythmic variations in vertical water level and in horizontal water motions (tidal currents) caused
