[GIS] Listing available online WMS services (Weather, Land Data, Place Names)

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I'm Looking for WMS services freely available to the public to overlay on my application, specifically weather and AIS information.

Perhaps this is a good place to list some available online WMS services you have stumbled across?

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• Giant list with status checker from FGDC - US focused - not sea
• Great US weather WMS source
• A useful resources to find public map services is Geopole (WMS Server repository)- http://geopole.org/ - requires CSW
• GeoSeer is a search engine for WMS, WFS, WCS, and WMTS services
• a comprehensive and free search engine for WMS, WMTS and WFS services around the world can be found in Spatineo Directory: http://directory.spatineo.com/ The database currently contains more than 13000 spatial web services with 300000+ layers around the world, most of them freely available. For each service there is also basic availability info included each directory service page. For an example see the page of the Open Data service of the Finnish Meteorological Institute http://directory.spatineo.com/service/9096/ Disclaimer: Posted by the founder & CTO of Spatineo
• If you are in the US then the National Weather Service provides loads of layers at http://nowcoast.noaa.gov/help/#!section=mapservices
• The INSPIRE geoportal provides a long list of European geographic datasets. Most of them are published as open WMSs.
• ArcGIS Server mapservices that support WMS can be located using an appropriately worded google search of: "View footprint in:" "Supported Interfaces:" wms
• GEBCO https://www.gebco.net/data_and_products/gebco_web_services/web_map_service/