Digital Earth Africa Coastline service is a vector dataset that provides free access to more than 20 years of shoreline changes rates and location across the African coast to support sustainable coastal areas management.
This dataset is distributed via OGC-compliant webservices (OWS) that can be consumed by ArcMap. The procedure below explains how to import Coastlines into ArcGIS 10.6.1.
Open ArcMap.
Click on File > Add Data > Add Data or the icon in the top tool menu
Select GIS Servers in the muti choice look up table.
Select Add WFS server for the web feature service (Vector data) or Add WMS server for the Web Map Service (raster) in the pop up window.
Click add.
Copy the entire following addresses in the Service URL box
for WFS: https://geoserver.digitalearth.africa/geoserver/wfs
Click then on the Get layers button
Select layers you want to import by ticking the boxes or click on Select all to import all layers (default).
11. Expand the WFS connection in the Catalog window