, ▁windows , ▁mac , ▁android , ▁r asp berry Pi ▁and ▁iOS , ▁with ▁an ▁interface ▁with ▁G PS ▁and ▁routing ▁functions ▁(+ ▁an ▁interface ▁with ▁virtual ▁sail ing ▁game ▁V LM ) ▁ ▁Py ND FD ▁an ▁open ▁source ▁Python ▁module ▁for ▁retr ieving ▁real - time ▁forec ast ▁data ▁from ▁the ▁US ▁National ▁We ather ▁Service . ▁G RI B ▁formatted ▁data ▁is ▁cached ▁and ▁parsed ▁to ▁give ▁the ▁developer ▁access ▁to ▁do z ens ▁of ▁up - to - date ▁weather ▁forec ast ▁variables . ▁Data ▁is ▁available ▁for ▁the ▁next ▁ 7 ▁days ▁for ▁any ▁coordinate ▁within ▁the ▁United ▁States . ▁ ▁We ather 4 D ▁This ▁application ▁processes ▁G RI B ▁files ▁( about ▁ 3 5 ▁weather / wave / current ▁models ▁available ) ▁to ▁create ▁weather ▁forec asts ▁which ▁can ▁be ▁animated ▁in ▁ 3 D ▁HD . ▁The ▁" Rout ing " ▁version ▁provides ▁also ▁weather ▁routing ▁capabilities ▁based ▁on ▁selected ▁models ▁and ▁polar ▁data , ▁location ▁management . ▁The ▁" Rout ing ▁& ▁Navigation " ▁version ▁adds ▁navigation ▁features ▁such ▁as ▁N ME A ▁interface , ▁A IS , ▁na ut ical ▁charts , ▁instrument ▁pan els , ▁track ▁recording . ▁ ▁gl g rib ▁This ▁application ▁displays ▁G RI B 2 ▁fields ▁with ▁OpenGL . ▁R aster , ▁cont our , ▁vector , ▁color bar , ▁map scale , ▁coast lines , ▁borders . ▁Lat / lon , ▁l am bert , ▁g aussian ▁grid . ▁It ▁is ▁possible ▁to ▁look ▁at