WWJP81 RJTD 061800 VITAL WARNING FOR NAHA NAVTEX AREA 061800UTC ISSUED AT 062100UTC C-FRONT FM 44N 140E TO 39N 137E 34N 133E 30N 131E 26N 128E GALE WARNING NORTHERN SEA OFF SHIKOKU WITH MAX WINDS 35 KT WARNING(NEAR GALE) SOUTHERN SEA OFF SHIKOKU, SEA WEST OF NAGASAKI, HYUGA NADA, SEA AROUND AMAMI 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 070300UTC =