30 July 2025 U.S. Coast Guard Captain of the Port sets Guam and CNMI ports to Heavy Weather Condition Yankee amid tsunami advisory SANTA RITA, Guam — The U.S. Coast Guard Captain of the Port set Guam and the Commonwealth of the Northern Mariana Islands ports to Heavy Weather Condition Yankee on Wednesday, July 30, as of 11:30 a.m., affecting commercial vessels at or over 200 gross tons, in response to a tsunami advisory...