WWJP74 RJTD 220000 IMPORTANT WARNING FOR OTARU NAVTEX AREA 220000UTC ISSUED AT 220300UTC DEVELOPING LOW 1016HPA AT 34N 143E MOV EAST 20 KT WARNING(NEAR GALE) SEA OFF HIYAMA AND TSUGARU, SEA OFF SOUTHERN COAST OF MARITIME PROVINCE, SEA OFF AKITA, SEA OFF SADO, SEA OFF NOTO WARNING(ICING) SEA WEST OF SAKHALIN NXT WARNING WILL BE ISSUED BEFORE 220900UTC =