WWJP75 RJTD 240600 IMPORTANT WARNING FOR KUSHIRO NAVTEX AREA 240600UTC ISSUED AT 240900UTC PRESSURE GRADIENT IS STEEP WARNING(NEAR GALE) SOYA KAIKYO WARNING(DENSE FOG) SEA EAST OF SAKHALIN, SEA OFF ABASHIRI, SOYA KAIKYO, SEA EAST OF HOKKAIDO, SEA OFF KUSHIRO, SEA OFF HIDAKA, TSUGARU KAIKYO, EASTERN SEA OFF SANRIKU, WESTERN SEA OFF SANRIKU POOR VIS 0.3 MILES OR LESS IN PLACES NXT WARNING WILL BE ISSUED BEFORE 241500UTC =