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NOAA>NWS>NCEP>OPC>Marine>Experimental>GIS Data and Products

OPC Experimental GIS Data and Products

Regional Seastate KML Files (Experimental)

OPC's regional seastate charts are now available in a Keyhole Markup Language (KML) format. When opened in a program such as Google Earth, these KML files will display the various products listed below but projected onto the Earth's surface. The KML file itself does not change; it points to the latest OPC product. You should only have to download it once to always have the latest information.

Unified Surface Analysisupdated 15:22 UTC, 27 Aug 2014
 
Alaska 24 Hour Surface Forecastupdated 18:26 UTC, 27 Aug 2014
Alaska 24 Hour Composite Surface Forecastupdated 18:26 UTC, 27 Aug 2014
Alaska 24 Hour Wind/Wave Forecastupdated 19:22 UTC, 27 Aug 2014
Alaska 24 Hour Composite Wind & Wave Forecastupdated 19:22 UTC, 27 Aug 2014
 
Atlantic Wind/Wave Analysisupdated 18:31 UTC, 27 Aug 2014
Atlantic 24 Hour Surface Forecastupdated 16:45 UTC, 27 Aug 2014
Atlantic 24 Hour Composite Surface Forecastupdated 16:45 UTC, 27 Aug 2014
Atlantic 24 Hour Wind & Wave Forecastupdated 17:25 UTC, 27 Aug 2014
Atlantic 24 Hour Composite Wind & Wave Forecastupdated 17:24 UTC, 27 Aug 2014
Atlantic 48 Hour Surface Forecastupdated 19:00 UTC, 27 Aug 2014
Atlantic 48 Hour Composite Surface Forecastupdated 19:00 UTC, 27 Aug 2014
Atlantic 48 Hour Composite Wind & Wave Forecastupdated 19:55 UTC, 27 Aug 2014
Atlantic 96 Hour Surface Forecastupdated 18:26 UTC, 27 Aug 2014
Atlantic 96 Hour Composite Surface Forecastupdated 18:26 UTC, 27 Aug 2014
Atlantic 96 Hour Composite Wind & Wave Forecastupdated 19:21 UTC, 27 Aug 2014
 
Gulf Streamupdated 17:21 UTC, 27 Aug 2014
 
Pacific Wind/Wave Analysisupdated 19:11 UTC, 27 Aug 2014
Pacific 24 Hour Surface Forecastupdated 18:12 UTC, 27 Aug 2014
Pacific 24 Hour Composite Surface Forecastupdated 18:12 UTC, 27 Aug 2014
Pacific 24 Hour Wind & Wave Forecastupdated 19:05 UTC, 27 Aug 2014
Pacific 24 Hour Composite Wind & Wave Forecastupdated 19:04 UTC, 27 Aug 2014
Pacific 48 Hour Surface Forecastupdated 18:13 UTC, 27 Aug 2014
Pacific 48 Hour Composite Surface Forecastupdated 18:13 UTC, 27 Aug 2014
Pacific 48 Hour Composite Wind & Wave Forecastupdated 18:40 UTC, 27 Aug 2014
Pacific 96 Hour Surface Forecastupdated 20:22 UTC, 27 Aug 2014
Pacific 96 Hour Composite Surface Forecastupdated 20:22 UTC, 27 Aug 2014
Pacific 96 Hour Composite Wind & Wave Forecastupdated 20:52 UTC, 27 Aug 2014


If for some reason the information looks old, try "refreshing" the file. In Google Earth, this is done with a right click on the KML content.


About KML

Keyhole Markup Language (KML) is used by a variety of GIS and mapping applications and the specifications are freely available to the public and available to the user community without charge or restriction. KML is an XML-based language for managing the display of three-dimensional geospatial data in the programs Google Earth, Google Maps,Google Mobile, ArcGIS Explorer, and WorldWind. The word Keyhole is an earlier name for the software that became Google Earth; the software was produced in turn by Keyhole, Inc, which was acquired by Google in 2004.

The term "Keyhole" actually honors the KH reconnaissance satellites, the original eye-in-the-sky military reconnaissance system now some 30 years old. KML files are very often distributed as KMZ files, which are zipped KML files with a .kmz extension. (more about KML)


More GIS products from the National Weather Service

Catalog of GIS products at weather.gov
Weather Prediction Center GIS products
National Hurricane Center GIS products
Storm Prediction Center GIS products

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