WWJP74 RJTD 251800 IMPORTANT WARNING FOR OTARU NAVTEX AREA 251800UTC ISSUED AT 252100UTC DEVELOPING LOW 1000HPA AT 44N 150E MOV NE 20 KT LOW 1006HPA AT 43N 141E MOV EAST SLWY WARNING(NEAR GALE) SOYA KAIKYO, TSUGARU KAIKYO, SEA OFF HIYAMA AND TSUGARU 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, SEA OFF AKITA, SEA OFF SADO, SEA OFF NOTO POOR VIS 0.3 MILES OR LESS IN PLACES NXT WARNING WILL BE ISSUED BEFORE 260300UTC =