NOAA Tides and Currents

Center for Operational Oceanographic Products and Services

News and Alerts

[2013-04-10]

Improved PORTS^®, Tides Online, and Great Lakes Online graphical plots.
The PORTS^®, Tides Online and Great Lakes Online plots have been updated for an improved display. Enhancements are clearer text, horizontal and vertical grid lines and cleaner data representations.

[2013-03-26]

New Sea Level Trends for 45 Global Stations, including 12 Additional Countries. Newly Updated Sea Level Products for 135 Historical Global Stations.

[2013-02-04]

New Transit Time! Mobile App Developed for Houston/Galveston PORTS^®

[2013-02-04]

The Hurricane Sandy 2012 Water Level and Meteorological Data Report is now available on the publications page.

Coastal High/Low Water Conditions

Great Lakes Low Water Conditions

Tides/Water Levels

Preliminary Data
- Coastal Stations
- Great Lakes
Verified Data
- Coastal Stations
- Great Lakes
1 min. Water Level Data
NOAA Tide Predictions
Tide Tables
Harmonic Constituents
Datums

Benchmarks
- Present Epoch
- Superseded Epoch
Sea Level Trends
- CO-OPS Stations
- Global Stations
Extreme Water Levels
Inundation Analysis

Harmful Algal Blooms (HAB)

Gulf of Mexico

Turning operational oceanographic data into meaningful information for the Nation

Click map to access data and products

CO-OPS provides the national infrastructure, science, and technical expertise to monitor, assess, and distribute tide, current, water level, and other coastal oceanographic products and services that support NOAA's mission of environmental stewardship and environmental assessment and prediction. CO-OPS provides operationally sound observations and monitoring capabilities coupled with operational Nowcast Forecast modeling.

PORTS

PORTS

MyPORTS: Create a Custom View^new!

Currents

Meteorological/Other

Wind, Air/Water temp, Barometric
- Observations
Conductivity
- Observations
Astronomical Data

Operational Forecast Systems

Links/Web Services