A complete understanding of Alaska's coastal water zone is important to resource development, conservation, and environmental concerns. This data catalog contains a listing of 192 hydroclimatological data sources of Alaska's coastal zone. Each source listing has three parts: an information citation, the nature of the data available, and the location for which all or part of the data is available. The information citation is comprised of six parts: the agency which compiled the data, the title of the source, the authors, the publication date of the source, the dates for which the data are applicable, and the library accession number of the source, which is the main University library, unless another is indicated.