WWJP71 RJTD 171800 IMPORTANT WARNING FOR NAHA NAVTEX AREA 171800UTC ISSUED AT 172100UTC C-FRONT FM 38N 148E TO 36N 145E 34N 142E 32N 137E 30N 135E 28N 132E WARNING(NEAR GALE) NORTHERN SEA OFF SHIKOKU, SOUTHERN SEA OFF SHIKOKU, SEA SOUTH OF OKINAWA NXT WARNING WILL BE ISSUED BEFORE 180300UTC =