WWJP74 RJTD 231200 IMPORTANT WARNING FOR OTARU NAVTEX AREA 231200UTC ISSUED AT 231500UTC DEVELOPED LOW 980HPA AT 48N 154E MOV NE 20 KT WARNING(NEAR GALE) SEA WEST OF SAKHALIN, SOYA KAIKYO, SEA WEST OF HOKKAIDO, SEA OFF SADO, SEA OFF NOTO WARNING(DENSE FOG) SEA WEST OF SAKHALIN, SOYA KAIKYO, SEA WEST OF HOKKAIDO, SEA OFF HIYAMA AND TSUGARU, SEA OFF SOUTHERN COAST OF MARITIME PROVINCE, SEA OFF AKITA, SEA OFF SADO, SEA OFF NOTO POOR VIS 0.3 MILES OR LESS IN PLACES NXT WARNING WILL BE ISSUED BEFORE 232100UTC =