WWJP81 RJTD 130000 VITAL WARNING FOR NAHA NAVTEX AREA 130000UTC ISSUED AT 130300UTC DEVELOPING LOW 994HPA AT 40N 136E MOV ENE 40 KT FCST POSITION FOR 131200UTC AT 45N 145E WITH UNCERTANITY OF 65 MILES RADIUS FCST POSITION FOR 140000UTC AT 48N 148E WITH UNCERTANITY OF 80 MILES RADIUS C-FRONT FM 40N 136E TO 39N 135E 37N 134E 34N 132E 31N 128E GALE WARNING NORTHERN SEA OFF SHIKOKU WITH MAX WINDS 40 KT WARNING(NEAR GALE) SOUTHERN SEA OFF SHIKOKU, SEA WEST OF NAGASAKI, SEA SOUTHWEST OF MESHIMA, HYUGA NADA, SEA OFF KAGOSHIMA, SEA AROUND AMAMI, SEA SOUTH OF OKINAWA WARNING(DENSE FOG) SOUTHERN PART OF EAST CHINA SEA POOR VIS 0.3 MILES OR LESS IN PLACES NXT WARNING WILL BE ISSUED BEFORE 130900UTC =