WWJP83 RJTD 290600 VITAL WARNING FOR YOKOHAMA NAVTEX AREA 290600UTC ISSUED AT 290900UTC DEVELOPING LOW 1008HPA AT 27N 123E MOV ENE 20 KT DEVELOPING LOW 1008HPA AT 39N 155E MOV ENE 30 KT C-FRONT FM 39N 155E TO 37N 150E 35N 142E GALE WARNING NORTHERN SEA OFF SHIKOKU, SOUTHERN SEA OFF SHIKOKU WITH MAX WINDS 35 KT WARNING(NEAR GALE) EASTERN SEA OFF TOKAI, WESTERN SEA OFF TOKAI, SOUTHERN SEA OFF TOKAI WARNING(DENSE FOG) EASTERN SEA OFF SANRIKU, WESTERN SEA OFF SANRIKU POOR VIS 0.3 MILES OR LESS IN PLACES NXT WARNING WILL BE ISSUED BEFORE 291500UTC =