WWJP74 RJTD 240600 IMPORTANT WARNING FOR OTARU NAVTEX AREA 240600UTC ISSUED AT 240900UTC PRESSURE GRADIENT IS STEEP WARNING(NEAR GALE) SOYA KAIKYO 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 241500UTC =