WWJP75 RJTD 130600 IMPORTANT WARNING FOR KUSHIRO NAVTEX AREA 130600UTC ISSUED AT 130900UTC DEVELOPING LOW 998HPA AT 35N 154E MOV NE 25 KT DEVELOPING LOW 1004HPA AT 49N 154E MOV EAST 25 KT WARNING(DENSE FOG) SEA EAST OF SAKHALIN, SEA OFF ABASHIRI, SOYA KAIKYO, SEA EAST OF HOKKAIDO, SEA OFF KUSHIRO, SEA OFF HIDAKA, EASTERN SEA OFF SANRIKU, WESTERN SEA OFF SANRIKU POOR VIS 0.3 MILES OR LESS IN PLACES NXT WARNING WILL BE ISSUED BEFORE 131500UTC =