WWJP74 RJTD 120000 IMPORTANT WARNING FOR OTARU NAVTEX AREA 120000UTC ISSUED AT 120300UTC DEVELOPING LOW 1010HPA AT 30N 146E MOV ENE 10 KT WARNING(NEAR GALE) SEA WEST OF SAKHALIN 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 120900UTC =