BOHAI STRAIT, TUG DELAI TOWING ZHIFUDAO, FROM 37-35.6N 121-27.4E TO 38-26.4N 118-25.9E, FROM 121600UTC TO 151600UTC OCT, SPEED 5 KNOTS VIA 37-57.7N 121-05.2E,38-04.4N 120-28.4E,38-22.0N 119-37.7E,38-28.9N 119-03.9E.CAUTION TO AVOID.
SHANDONG MSA CHINA.