International Comprehensive Ocean-Atmosphere Data Set

DATA ALERT: New drifiting buoy reports available in IMMA1 format, see Chronology and News

The International Comprehensive Ocean-Atmosphere Data Set (ICOADS) offers surface marine data spanning 1662-present, and simple gridded monthly summary products for 2° latitude x 2° longitude boxes back to 1800 (and 1°x1° boxes since 1960)—these data and products are freely distributed worldwide. As it contains observations from many different observing systems encompassing the evolution of measurement technology over hundreds of years, ICOADS is probably the most complete and heterogeneous collection of surface marine data in existence. For additional information see our brochure, and Figures 1 (a-d), 2 and 3 (click boxes to enlarge):

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Updated: Jul 20, 2021 12:48:15 UTC