WWJP72 RJTD 180600 IMPORTANT WARNING FOR MOJI NAVTEX AREA 180600UTC ISSUED AT 180900UTC PRESSURE GRADIENT IS STEEP WARNING(NEAR GALE) SETONAIKAI WARNING(DENSE FOG) SEA OFF SOUTHERN COAST OF MARITIME PROVINCE, SEA OFF NOTO, SETONAIKAI, NORTHWESTERN PART OF JAPAN SEA, SEA EAST OF OKI SYOTO AND AROUND WAKASA WAN, SEA WEST OF OKI SYOTO, TSUSHIMA KAIKYO, SEA WEST OF CHEJU ISLAND, SEA WEST OF NAGASAKI POOR VIS 0.3 MILES OR LESS IN PLACES NXT WARNING WILL BE ISSUED BEFORE 181500UTC =