WWJP72 RJTD 101800 IMPORTANT WARNING FOR MOJI NAVTEX AREA 101800UTC ISSUED AT 102100UTC WARNING(DENSE FOG) SEA OFF SOUTHERN COAST OF MARITIME PROVINCE, NORTHWESTERN PART OF JAPAN SEA POOR VIS 0.3 MILES OR LESS IN PLACES NXT WARNING WILL BE ISSUED BEFORE 110300UTC =