The legacy OPC website URL https://www.opc.ncep.noaa.gov permanently redirects to https://ocean.weather.gov. On or after July 9, 2019 the old URL will not work. Users must use https://ocean.weather.gov to access the OPC website. More information is available at https://www.weather.gov/media/notification/scn19-10opc_terminate.pdf.
Metarea XII InformationMETAREA XII
The eastern part of the Pacific Ocean, west of the North and South American coast and east of 120°W, from 3°24'S to the equator, thence to 180°, to 50°N thence NW_wards to 53°N 172°E, NE_wards following the marine frontier between United States and Russian Federation waters to 67°N
More information at http://weather.gmdss.org/XII.html and http://weather.gmdss.org/metareas.html