WWJP84 RJTD 150600 VITAL WARNING FOR OTARU NAVTEX AREA 150600UTC ISSUED AT 150900UTC DEVELOPING LOW 990HPA AT 39N 138E MOV NE 25 KT LOW 992HPA AT 47N 143E MOV NORTH 20 KT GALE WARNING SEA WEST OF SAKHALIN, SEA OFF AKITA, SEA OFF SADO, SEA OFF NOTO WITH MAX WINDS 40 KT SOYA KAIKYO, SEA WEST OF HOKKAIDO WITH 35 KT WARNING(NEAR GALE) TSUGARU KAIKYO, SEA OFF HIYAMA AND TSUGARU, SEA OFF SOUTHERN COAST OF MARITIME PROVINCE WARNING(DENSE FOG) SEA WEST OF SAKHALIN, SOYA KAIKYO, SEA WEST OF HOKKAIDO, TSUGARU KAIKYO, SEA OFF HIYAMA AND TSUGARU, SEA OFF SOUTHERN COAST OF MARITIME PROVINCE POOR VIS 0.3 MILES OR LESS IN PLACES NXT WARNING WILL BE ISSUED BEFORE 151500UTC =