WWJP71 RJTD 130600 IMPORTANT WARNING FOR NAHA NAVTEX AREA 130600UTC ISSUED AT 130900UTC STNR FRONT FM 25N 145E TO 25N 141E 23N 137E 23N 132E WARNING(DENSE FOG) SEA WEST OF NAGASAKI, SEA SOUTHWEST OF MESHIMA, SOUTHERN PART OF EAST CHINA SEA POOR VIS 0.3 MILES OR LESS IN PLACES NXT WARNING WILL BE ISSUED BEFORE 131500UTC =