New Publications

1. NOAA Technical Report NOS CO-OPS 083 - Global and Regional SLR Scenarios for the U.S.
2. NOAA Technical Report NOS CO-OPS 082 - Assessment of the Eastern Gulf of Mexico Harmful Algal Bloom Operational Forecast System (GOMX HAB-OFS)-2008-2014
3. NOAA Technical Report NOS CO-OPS 081 - Shoreline Tidal Boundary Project For Tulalip, WA
4. NOAA Technical Report NOS 139 - NOAA guidance Document for Determination of Vertical Land Motion at Water Level Stations Using GPS Technology
5. NOAA Technical Report NOS CO-OPS 076 - Poplar Island, MD Water Level Variations Report
6. NOAA Technical Report NOS CO-OPS 080 - Assessment of the Western Gulf of Mexico Harmful Algal Bloom Operational Forecast System (GOMX HAB-OFS)
7. NOAA Technical Report NOS CO-OPS 079 - An Examination of the June 2013 East Coast Meteotsunami Captured By NOAA Observing Systems
8. NOAA Technical Report NOS CO-OPS 075 - Water level and Wave height Estimates at NOAA Tide Stations from Acoustic and Microwave Sensors
9. NOAA Technical Report NOS CO-OPS 074 - Gap Analysis of the Great Lakes Component of the National Water Level Observation Network (NWLON)
10. NOAA Technical Memorandum NOS CO-OPS 048 - A Network Gaps Analysis for the National Water Level Observation Network - Updated Edition (Sept 2014)

Popular Publications

Important Topic Publications

1. Understanding Sea Level Change
2. Hurricane Sandy 2012 Water Level and Meteorological Data Report



Educational Materials

1. Fantastic Tidal Datums
2. Our Restless Tides
3. San Francisco Tides of History
4. Tide and Current Glossary
5. NOAA Special Publication NOS CO-OPS 3 - Tidal Analysis and Predictions
6. Tidal Currents Educational Pamphlet
7. Understanding Sea Level Change
8. Understanding Tides
9. Water Level Observation Network for Central America
10. 150 Years of Tides on the Western Coast



CO-OPS Outreach Materials

1. CO-OPS Strategic Plan 2015-2019
2. CO-OPS Strategic Plan 2010-2015
3. CO-OPS Customer Satisfaction Survey Results
4. CO-OPS Trifold
5. PORTS® Program
6. COASTAL Program
7. National Currents Program
8. NOAA Sentinels of the Coast

Economic Valuations and Assessments

1. The Value of PORTS® to the Nation
2. An Assessment of the Value of the Physical Oceanographic Real-Time System (PORTS®) to the U.S. Economy
3. NOAA Technical Report NOS CO-OPS 044 - Estimating Economic Benefits from NOAA PORTS Installations - A Value of Information Approach
4. Estimating Economic Benefits from NOAA PORTS Information - A Case Study of Houston/Galveston
5. Estimating Economic Benefits from NOAA PORTS Information - A Case Study of Tampa Bay
6. Estimating Economic Benefits from NOAA PORTS Information - A Case Study of the Columbia River

Historic Tide and Tidal Current Tables

1. Click here for previously published Historic Tide and Tidal Current Tables

Reports and Memorandums

Technical Reports

1. NOAA Technical Report NOS CO-OPS 083 - Global and Regional SLR Scenarios for the U.S.
2. NOAA Technical Report NOS CO-OPS 082 - Assessment of the Eastern Gulf of Mexico Harmful Algal Bloom Operational Forecast System (GOMX HAB-OFS)-2008-2014
3. NOAA Technical Report NOS CO-OPS 081 - Shoreline Tidal Boundary Project For Tulalip, WA
4. NOAA Technical Report NOS 139 - NOAA guidance Document for Determination of Vertical Land Motion at Water Level Stations Using GPS Technology
5. NOAA Technical Report NOS CO-OPS 080 - Assessment of the Western Gulf of Mexico Harmful Algal Bloom Operational Forecast System (GOMX HAB-OFS)
6. NOAA Technical Report NOS CO-OPS 079 - An Examination of the June 2013 East Coast Meteotsunami Captured By NOAA Observing Systems
7. NOAA Technical Report NOS CO-OPS 077 - Estimating Accuracies of Tidal Datums From Short Term Observations
8. NOAA Technical Report NOS CO-OPS 076 - Poplar Island, MD Water Level Variations Report
9. NOAA Technical Report NOS CO-OPS 075 - Water level and Wave height Estimates at NOAA Tide Stations from Acoustic and Microwave Sensors
10. NOAA Technical Report NOS CO-OPS 074 - Gap Analysis of the Great Lakes Component of the National Water Level Observation Network (NWLON)
11. NOAA Technical Report NOS CO-OPS 073 - Sea Level Rise and Nuisance Flood Frequency Changes around the United States
12. NOAA Technical Report NOS CO-OPS 072 - Ocean Systems Test and Evaluation Program, Test and Evaluation Report For WaterLog® H-3612 Radar Sensor in CO-OPS Air Gap Applications
13. NOAA Technical Report NOS CO-OPS 071 - Ocean Systems Test and Evaluation Program, Test and Evaluation Report For the Greenspan EC3000 Conductivity/Temperature Sensor
14. NOAA Technical Report NOS CO-OPS 070 - Error Analysis Procedures Used by the National Ocean Service to Compute Estimated Error Bounds for Tidal Datums in the Arctic Ocean
15. NOAA Technical Report NOS CO-OPS 069 - Coastal Ocean Modeling Framework on NOAA's High Performance Computer (COMF-HPC)
16. NOAA Technical Report NOS CO-OPS 068 - Implementation of Procedures for Computation of Tidal Datums in Areas with Anomalous Trends in Relative Mean Sea Level
17. NOAA Technical Report NOS CO-OPS 067 - Extreme Water Levels of the United States
18. NOAA Technical Report NOS CO-OPS 066 - Assessment of the Eastern Gulf of Mexico Harmful Algal Bloom Operational Forecast System(GOMX HAB-OFS)
19. NOAA Technical Report NOS CO-OPS 065 - Estimating Vertical Land Motion from Long-Term Tide Gauge Records
20. NOAA Technical Report NOS CO-OPS 062 - Tides Under the Ice: Measuring Water Levels at Barrow, Alaska 2008-2010
21. NOAA Technical Report NOS CO-OPS 061 - NOAA Ocean Systems Test and Evaluation Report, Limited Acceptance of the Design Analysis WaterLog® H-3611i Microwave Radar Water Level Sensor
22. NOAA Technical Report NOS CO-OPS 057 - Redundant Communications Solutions for PORTS® Acoustic Current Profiler Installations
23. NOAA Technical Report NOS CO-OPS 056 - Effects of the November 2009 Nor'easter on Water Levels
24. NOAA Technical Report NOS CO-OPS 055 - Visibility Sensors Implementation Plan
25. NOAA Technical Report NOS CO-OPS 053 - Sea Level Variations of the United States, 1854 - 2006
26. NOAA Technical Report NOS CO-OPS 051 - Elevated East Coast Sea Level Anomaly: June-July 2009
27. NOAA Technical Report NOS CO-OPS 047 - Annual Report of the Gulf of Mexico Harmful Algal Bloom Operational Forecast System
28. NOAA Technical Report NOS CO-OPS 046 - Humboldt Bay Current Surveys: December 2002 to October 2004
29. NOAA Technical Report NOS CO-OPS 044 - Estimating Economic Benefits from NOAA PORTS Installations - A Value of Information Approach
30. NOAA Technical Report NOS CO-OPS 043 - Test, Evaluation, and Implementation of Current Measurement Systems on Aids-To-Navigation
31. NOAA Technical Report NOS CO-OPS 042 - Microwave Air Gap-Bridge Clearance Sensor Test, Evaluation, and Implementation Support
32. NOAA Technical Report NOS CO-OPS 041 - North Carolina Bathymetry/Topography Sea Level Rise Project: Determination of Sea Level Trends - New Sept. 2004
33. NOAA Technical Report NOS CO-OPS 040 - Effects of Hurricane Isabel on Water Levels - Data Report
34. NOAA Technical Report NOS CO-OPS 039 - NOS Procedures for Developing and Implementing Operational Nowcast and Forecast Hydrodynamic Model Systems
35. NOAA Technical Report NOS CO-OPS 038 - Triaxys Directional Wave Buoy for Nearshore Wave Measurements-Test and Evaluation Plan
36. NOAA Technical Report NOS CO-OPS 037 - Port of New York and New Jersey Operational Forecast System, Implementation Plan
37. NOAA Technical Report NOS CO-OPS 036 - Sea Level Variations of the United States 1854-1999
38. NOAA Technical Report NOS CO-OPS 035 - Historical Golden Gate Tidal Series
39. NOAA Technical Report NOS CO-OPS 034 - Ocean Systems Test and Evaluation Program (OSTEP) Development Plan
40. NOAA Technical Report NOS CO-OPS 033 - Towing Basin Speed Calibration of Acoustic Doppler Current Profiling Instruments
41. NOAA Technical Report NOS CO-OPS 031 - National Physical Oceanographic Real-time System (PORTS)
42. NOAA Technical Report NOS CO-OPS 030 - NWLON/DMS Quality, Control Software (QC): Functional Requirements Document
43. NOAA Technical Report NOS CO-OPS 027 - Effects of Hurricane Floyd on Water Levels - Data Report
44. NOAA Technical Report NOS CO-OPS 026 - A Guide to CO-OPS SHEF and CREX Products
45. NOAA Technical Report NOS CO-OPS 025 - Currents in the St. John's River, Florida - Spring and Summer of 1998
46. NOAA Technical Report NOS CO-OPS 022 - Assessment of the National Ocean Service's Tidal Current Program
47. NOAA Technical Report NOS CO-OPS 020 - Nowcast and Forecast Hydrodynamic Model Systems, NOS Procedures for Developing and Implementing Operational Nowcast and Forecast Systems for PORTS
48. NOAA Technical Report NOS 2010-01 - Technical Considerations for Use of Geospatial Data in Sea Level Change Mapping and Assessment



Technical Memorandums

1. NOAA Technical Memorandum NOS CO-OPS 048 - A Network Gaps Analysis for the National Water Level Observation Network - Updated Edition (Sept 2014)
2. NOAA Technical Memorandum NOS CO-OPS 021 - Tidal Current Analysis Procedures and Associated Computer Programs
3. NOAA Technical Memorandum NOS NGS-58 - Guidelines for Establishing GPS-Derived Ellipsoid Heights (Standards 2 cm and 5 cm), version 4.3", November 1997
4. NOAA Technical Memorandum NOS OES 008 - Tidal Characteristics and Datums of Laguna Madre, Texas



Special Publications

1. Special Publication No. 98: Manual of Harmonic Analysis and Prediction of Tides
2. Special Publication No. 98 Supplement: Computer Application to Tides in the National Ocean Survey
3. NOAA Special Publication NOS CO-OPS 1 - Tide Datums and Their Applications
4. NOAA Special Publication NOS CO-OPS 2 - Computational Techniques for Tidal Datums Handbook
5. NOAA Special Publication NOS CO-OPS 3 - Tidal Analysis and Predictions



Circulation Survey Reports

1. NOS Oceanographic Circulatory Survey Report No.1 - Tide and Tidal Current Observations from 1965 through 1967 in Long Island Sound, Block Island Sound, and Tributaries
2. NOS Oceanographic Circulatory Survey Report No.2 - Tampa Bay Circulation Survey 1963
3. NOS Oceanographic Circulatory Survey Report No.3 - Puget Sound Approaches Circulation Survey
4. NOS Oceanographic Circulatory Survey Report No.4 - Cook Inlet Circulatory Survey: 1973-1975
5. NOS Oceanographic Circulation Survey Report No.5 - New York Harbor Circulation Survey: 1980-81
6. NOS Oceanographic Circulation Survey Report No.6 - Southeast Atlantic Coast Estuaries, Sapelo Sound to St. Simons Sounds, Georgia Circulation Survey: 1980
7. NOS Oceanographic Circulation Survey Report No.7 - San Francisco Bay Area Circulation Survey: 1979-1980
8. NOS Oceanographic Circulation Survey Report No.8 - Chesapeake Bay Circulation Survey: 1981-1983
9. NOS Oceanographic Circulation Survey Report No.9 - Delaware River and Bay Circulation Survey: 1984-1985
10. NOS Oceanographic Circulation Survey Report No.10 - Long Island Sound Oceanography Project: 1988-1990
11. NOS Oceanographic Circulation Survey Report No.11 - Tampa Bay Oceanography Survey Project: 1990-1991



Storm Reports

1. January 2016 Nor’easter
2. Storm Events Data Reports
3. Hurricane Sandy 2012 Water Level and Meteorological Data Report
4. Hurricane Isaac 2012 Water Level and Meteorological Data Report
5. Hurricane Irene 2011 Water Level and Meteorological Data Report
6. Hurricane Ike 2008 Water Levels and Meteorological Report
7. Hurricane Gustav 2008 Water Levels and Meteorological Report
8. Tropical Storm Ernesto 2006 Verified Water Level Report
9. CO-OPS Contribution to NOAA's 2005 Hurricane Season Response
10. Hurricane Wilma 2005 Preliminary Water Levels Report
11. Hurricane Rita 2005 Preliminary Water Levels Report
12. Hurricane Katrina 2005 Preliminary Water Levels Report
13. Hurricane Dennis 2005 Preliminary Water Levels Report
14. Hurricane Cindy 2005 Preliminary Water Levels Report
15. Hurricane Jeanne 2004 Preliminary Water Levels Report
16. Hurricane Ivan 2004 Preliminary Water Levels Report
17. Hurricane Frances 2004 Preliminary Water Levels Report
18. Hurricane Charley 2004 Preliminary Water Levels Report
19. Hurricane Claudette 2003 Preliminary Water Levels Report
20. Tropical Storm Bill 2003 Preliminary Water Levels Report
21. Hurricane Lili 2002 Preliminary Water Levels Report
22. Tropical Storm Isidore 2002 Preliminary Water Levels Report
23. NOAA Technical Report NOS CO-OPS 040 - Effects of Hurricane Isabel on Water Levels - Data Report
24. NOAA Technical Report NOS CO-OPS 027 - Effects of Hurricane Floyd on Water Levels - Data Report



Great Lakes Reports

1. Great Lakes - IGLD85 USACE Update No. 76
2. Great Lakes - Establishment of International Great Lakes Datum (1985)
3. Great Lakes - Establishment of International Great Lakes Datum (1955)
4. Great Lakes - History of Water Level Gauges - Upper Great Lakes & the St. Clair Detroit Rivers - Jan 1978
5. Great Lakes - History of Water Level Gauges - Lower Great Lakes & International Section of St. Lawrence River - Mar 1987



Great Lake Water Levels Reports

1. Great Lakes Water Levels 1970
2. Great Lakes Water Levels 1971
3. Great Lakes Water Levels 1972
4. Great Lakes Water Levels 1973
5. Great Lakes Water Levels 1974
6. Great Lakes Water Levels 1975
7. Great Lakes Water Levels 1976
8. Great Lakes Water Levels 1977
9. Great Lakes Water Levels 1978
10. Great Lakes Water Levels 1979
11. Great Lakes Water Levels 1980
12. Great Lakes Water Levels 1981
13. Great Lakes Water Levels 1982
14. Great Lakes Water Levels 1983
15. Great Lakes Water Levels 1984
16. Great Lakes Water Levels 1985
17. Great Lakes Water Levels 1986
18. Great Lakes Water Levels 1987
19. Great Lakes Water Levels 1988
20. Great Lakes Water Levels 1989
21. Great Lakes Water Levels 1990
22. Great Lakes Water Levels 1991
23. Great Lakes Water Levels 1992
24. Great Lakes Water Levels 1993
25. Great Lakes Water Levels 1994
26. Great Lakes Water Levels 1860-1985
27. Great Lakes Water Levels 1860-1990

Manuals and Standards

Data Collection Platform References

1. Next Generation Water Level Measurement System (NGWLMS) Site Design, Preparation, and Installation Manual (NGWLMS Manual), January 1991



Sensor References

1. CO-OPS Sensor Specifications and Measurement Algorithms



Benchmarks, Leveling and Geodetic References

1. Real-Time Kinematic (RTK) Team Final Report



Contract Specifications and References

1. Latest NOS Hydrographic Surveys Specifications and Deliverables



References for National Water Level Program

1. Standing Project Instructions for Coastal and Great Lakes Water Level Stations
2. FY 2017 Project Instructions for Coastal and Great Lakes Observing Systems
3. Great Lakes - IGLD85 USACE Update No. 76
4. Great Lakes - Establishment of International Great Lakes Datum (1985)
5. Great Lakes - Establishment of International Great Lakes Datum (1955)
6. Great Lakes - History of Water Level Gauges - Upper Great Lakes & the St. Clair Detroit Rivers - Jan 1978
7. Great Lakes - History of Water Level Gauges - Lower Great Lakes & International Section of St. Lawrence River - Mar 1987
8. FY 2017 Station Operational Support Lists



Communications and Data Formats References

1. Information Systems Branch PORTS Uniform Flat File Format (PUFFF)
2. Spatial Data Modifications and Enhancements (v1.2), August 2005
3. Ocean Systems Test and Evaluation Program Data Communications Plan



Data Processing and Analysis References

1. NOAA Special Publication NOS CO-OPS 1 - Tide Datums and Their Applications
2. NOAA Special Publication NOS CO-OPS 2 - Computational Techniques for Tidal Datums Handbook
3. NOAA Technical Memorandum NOS CO-OPS 021 - Tidal Current Analysis Procedures and Associated Computer Programs
4. Manual of Harmonic Constant Reductions