WWJP84 RJTD 230600 VITAL WARNING FOR OTARU NAVTEX AREA 230600UTC ISSUED AT 230900UTC DEVELOPING LOW 996HPA AT 48N 149E MOV ENE SLWY GALE WARNING SEA WEST OF SAKHALIN, SOYA KAIKYO WITH MAX WINDS 35 KT WARNING(NEAR GALE) SEA WEST OF HOKKAIDO, SEA OFF HIYAMA AND TSUGARU, SEA OFF AKITA, SEA OFF SADO NXT WARNING WILL BE ISSUED BEFORE 231500UTC =