The National Ocean Service (NOS) studies, monitors, and protects coastaland marine areas in the United States.
The NOS web site offers detailed information about the agency's activities, including access to educational videos and weekly podcasts on various coastal science topics. The site also hosts more than 1,000 up-to-date nautical charts,tide level data updated every 10 minutes, and beautiful photography in an image gallery. Teachers will find games, activity suggestions, and lesson plan ideas for students in grades 3-12. This site is an excellent resource for students, teachers, mariners, and anyone interested in America's coastal ecology.