WWJP73 RJTD 231200 IMPORTANT WARNING FOR YOKOHAMA NAVTEX AREA 231200UTC ISSUED AT 231500UTC DEVELOPED LOW 980HPA AT 48N 154E MOV NE 20 KT WARNING(NEAR GALE) NORTHERN SEA OFF KANTO, SOUTHERN SEA OFF KANTO, EASTERN SEA OFF TOKAI, SOUTHERN SEA OFF TOKAI, NORTHERN SEA OFF SHIKOKU WARNING(DENSE FOG) EASTERN SEA OFF SANRIKU, WESTERN SEA OFF SANRIKU POOR VIS 0.3 MILES OR LESS IN PLACES NXT WARNING WILL BE ISSUED BEFORE 232100UTC =