CERES:
The California Environmental Resources Evaluation System
A searchable government site which includes information on wetlands,
watersheds, the ocean, and environmental law.
Digital
Librarian: Marine & Aquatic Sciences
A variety of sites from A (Allied Whale) to Z (Zebrafish Server)
National
Data Buoy Center
Real time weather and oceanographic data from the National Oceanic
and Atmospheric Administration.
National
Oceanic and Atmospheric Administration
Sections: Weather, Ocean, Satellites, Fisheries, Climate, Research,
Coasts, Charting and Navigation. Searchable.
National
Oceanographic Data Center
Provides public access to global oceanographic and coastal data
and information. Searchable.
Oceanographic
Web Sites
Extensive links (in alpha order) to oceanographic and marine biology
web sites.
OceanPortal
This site is developed and
maintained by the International Oceanographic Commission, a
division of UNESCO. It offers a wide assortment of links to
useful data. Searchable.
OceanWorld 
This is a comprehensive website for students and teachers. The
site is funded by a joint venture between NASA/JPL and the
Texas A&M Department of Oceanography.
The
Remarkable Ocean World
A remarkable, searchable site on oceanography created by our own
Sean Chamberlin, Ph.D., Fullerton College.
U.S.
National Ocean Service
A searchable site.