WWJP81 RJTD 091800 VITAL WARNING FOR NAHA NAVTEX AREA 091800UTC ISSUED AT 092100UTC DEVELOPING LOW 1014HPA AT 35N 144E MOV EAST SLWY GALE WARNING SEA SOUTH OF OKINAWA WITH MAX WINDS 40 KT NORTHERN SEA OFF SHIKOKU, SOUTHERN PART OF EAST CHINA SEA WITH 35 KT WARNING(NEAR GALE) SOUTHERN SEA OFF SHIKOKU, HYUGA NADA, SEA OFF KAGOSHIMA, SEA AROUND AMAMI NXT WARNING WILL BE ISSUED BEFORE 100300UTC =