Notice of Methodology Update: NOAA High Tide Flooding Outlooks

As the authoritative source for accurate, reliable, and timely water-level and current measurements, the Center for Operational Oceanographic Products and Services (CO-OPS) within NOAA’s National Ocean Service (NOS), provides a suite of interactive products, reports, and datasets that help communities understand when, where, and how often HTF may occur to better inform coastal flood planning and mitigation efforts. The suite includes a summary of historical HTF days, Monthly and Annual HTF Outlooks at seasonal to annual time scales, and longer-term decadal projections.