-
Federal
Maritime Limits and Boundaries of United States of America NGDA recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA is responsible for depicting on its nautical charts the limits of the 12 nautical mile Territorial Sea, 24 nautical mile Contiguous Zone, and 200 nautical mile... -
Federal
Sea Level Trends: Sea Level Variations of the United States Derived from National Water Level Observation Network Stations NGDA recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Water level records are a combination of the fluctuations of the ocean and the vertical land motion at the location of the station. Monthly mean sea level (MSL)... -
Federal
High Tide Flooding Products from NOAA CO-OPS recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
High tide flooding is the overflow or excess accumulation of water that covers typically dry coastal land and occurs during high tides. As relative sea levels rise,... -
Federal
NOAA Water Levels for Coastal, Estuaries and Great Lakes regions recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
For over 200 years, NOAA's Center for Operational Oceanographic Products and Services (CO-OPS) and its predecessors have been managing a comprehensive system for... -
Federal
Extreme Water Levels from CO-OPS recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Extremely high or low water levels at coastal locations are an important public concern and a factor in coastal hazard assessment, navigational safety, and ecosystem...