NOAA seasonal high tide flooding bulletins show when regions around the nation may experience higher than normal high tides. Bulletins are updated quarterly.
NOAA annual high tide flooding reports present a summary of events for the previous calendar year and expected events for the current year.
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.