WWJP84 RJTD 250600 VITAL WARNING FOR OTARU NAVTEX AREA 250600UTC ISSUED AT 250900UTC DEVELOPING LOW 1000HPA AT 37N 133E MOV EAST 15 KT FCST POSITION FOR 251800UTC AT 37N 136E WITH UNCERTANITY OF 50 MILES RADIUS FCST POSITION FOR 260600UTC AT 38N 139E WITH UNCERTANITY OF 80 MILES RADIUS DEVELOPING LOW 998HPA AT 42N 147E MOV NE 15 KT FCST POSITION FOR 251800UTC AT 47N 149E WITH UNCERTANITY OF 50 MILES RADIUS FCST POSITION FOR 260600UTC AT 50N 149E WITH UNCERTANITY OF 80 MILES RADIUS STORM WARNING SEA OFF SOUTHERN COAST OF MARITIME PROVINCE, SEA OFF AKITA, SEA OFF SADO, SEA OFF NOTO WITH MAX WINDS 50 KT GALE WARNING SEA OFF HIYAMA AND TSUGARU WITH 40 KT SEA WEST OF SAKHALIN, SOYA KAIKYO, SEA WEST OF HOKKAIDO, TSUGARU KAIKYO WITH 35 KT WARNING(DENSE FOG) SEA WEST OF SAKHALIN, SEA WEST OF HOKKAIDO POOR VIS 0.3 MILES OR LESS IN PLACES WARNING(ICING) SEA WEST OF SAKHALIN, SOYA KAIKYO, SEA WEST OF HOKKAIDO, TSUGARU KAIKYO, SEA OFF HIYAMA AND TSUGARU, SEA OFF SOUTHERN COAST OF MARITIME PROVINCE, SEA OFF AKITA NXT WARNING WILL BE ISSUED BEFORE 251500UTC =