WWJP84 RJTD 081800 VITAL WARNING FOR OTARU NAVTEX AREA 081800UTC ISSUED AT 082100UTC PRESSURE GRADIENT IS STEEP GALE WARNING SEA OFF AKITA, SEA OFF SADO WITH MAX WINDS 35 KT WARNING(NEAR GALE) SEA WEST OF HOKKAIDO, TSUGARU KAIKYO, SEA OFF HIYAMA AND TSUGARU, SEA OFF SOUTHERN COAST OF MARITIME PROVINCE, SEA OFF NOTO WARNING(ICING) 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 NXT WARNING WILL BE ISSUED BEFORE 090300UTC =