The Center for Operational Oceanographic Products and Services (CO-OPS) and its predecessors have gathered oceanographic data along our nation's coasts for over 200 years to protect life, property, and the environment. Serving both the public and other government agencies, CO-OPS is the authoritative source for accurate, reliable, and timely water-level and current measurements that support safe and efficient maritime commerce, sound coastal management, and recreation.
Did you know?
Tides are really big waves that move through the ocean in response to the forces exerted by the Moon and the Sun. Tides involve water moving up and down. Currents involve the movement of water back and forth, driven by factors such as tides, wind, the shape of the land, and even water temperature. Learn more