Sea Level Trends

Relative sea level trends for coastal water level stations.

This app is part of Indicators of the Planet.  Please see https://livingatlas.arcgis.com/indicators

Relative sea level trends at US and non-US stations. The sea level trends as measured by tide gauges that are presented here are relative sea level (RSL) trends at the coastline as opposed to the global average sea level trend. Tide gauge measurements are made with respect to a local fixed reference on land. RSL change is a combination of the global sea level rise and the local vertical land motion.   A negative RSL trend does not mean that the ocean is not rising.  Instead, it indicates that the land is rising even faster then the ocean.

The Center for Operational Oceanographic Products and Services (CO-OPS) has been measuring sea level for over 150 years, with tide stations of the National Water Level Observation Network operating on all US coasts. The information shown is also available on the CO-OPS website. 
https://tidesandcurrents.noaa.gov/sltrends/sltrends.html

The data is also available from the CO-OPS Derived Product API: https://tidesandcurrents.noaa.gov/dpapi/latest/

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Additional Info

Field Value
Last Updated September 11, 2026, 07:30 (UTC)
Created March 24, 2026, 21:03 (UTC)
Domain / Topic
Domain or topic of the dataset being cataloged.
Title
Title for the Dataset.
Sea Level Trends
Description
A description of the dataset.

Relative sea level trends for coastal water level stations.

This app is part of Indicators of the Planet.  Please see https://livingatlas.arcgis.com/indicators

Relative sea level trends at US and non-US stations. The sea level trends as measured by tide gauges that are presented here are relative sea level (RSL) trends at the coastline as opposed to the global average sea level trend. Tide gauge measurements are made with respect to a local fixed reference on land. RSL change is a combination of the global sea level rise and the local vertical land motion.   A negative RSL trend does not mean that the ocean is not rising.  Instead, it indicates that the land is rising even faster then the ocean.

The Center for Operational Oceanographic Products and Services (CO-OPS) has been measuring sea level for over 150 years, with tide stations of the National Water Level Observation Network operating on all US coasts. The information shown is also available on the CO-OPS website. 
https://tidesandcurrents.noaa.gov/sltrends/sltrends.html

The data is also available from the CO-OPS Derived Product API: https://tidesandcurrents.noaa.gov/dpapi/latest/
Tags / Keywords
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Format (CSV, XLS, TXT, PDF, etc)
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Dataset Size
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2.3
Metadata Identifier
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Published Date
Published date of the dataset.
2020-07-10
Time Period Data Span (start date)
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Time Period Data Span (end date)
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GeoSpatial Area Data Span
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Field Value
Access category
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public
License
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With use of this data, please attribute NOAA / NOS / CO-OPS. NOS requests that attribution be given whenever NOS material is reproduced and re-disseminated. Pursuant to 17 U.S.C. 403, third parties producing copyrighted (compilation) works consisting predominantly of material created by Federal Government employees are encouraged to provide notice with such work(s) identifying the U.S. Government material incorporated and stating that such material is not subject to copyright protection.For more information, please contact: User ServicesCenter for Operational Oceanographic Products and Services (CO-OPS)1305 East-West HighwaySilver Spring, MD 20910-3281Phone: (301) 713-2815Fax: (301) 713-4500E-mail: User Services ([email protected]) https://tidesandcurrents.noaa.gov/contact.html
Limits on use
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Location
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https://climat.esri.ca/datasets/arcgis-content::sea-level-trends-3
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Owner
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EMeriam
Contact Point
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ArcGIS Living Atlas Team
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Publisher
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ArcGIS Living Atlas Team
Publisher Email
Email of the publisher.
Author
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EMeriam
Author Email
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Accessed At
Date the data and metadata was accessed.
2020-07-14
Field Value
Identifier
Unique identifier for the dataset.
4c30ce9341fb4d2f80a7b51ccf328ee2
Language
Language(s) of the dataset
English
Link to dataset description
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https://climat.esri.ca/datasets/arcgis-content::sea-level-trends-3
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Contains data about individuals
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Contains Indigenous Data
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Portal Type
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Field Value
Version
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None
Source
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None
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ArcGIS Living Atlas Team
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GeoSpatial resolution in meters
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Field Value
Indigenous Community Permission
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Community Permission
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The Indigenous communities the dataset is about
Indigenous communities from which data is derived.
Field Value
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