The buoy would be white, with neon orange stripes and a black circle with the words: “6 MPH” on the side. A fallen tree lurks in the vicinity of where the marker would usually be.

As the U.S. Coast Guard (USCG) mulls over whether to remove navigational buoys in the Northeast, one Massachusetts lawmaker is asking them to put it on hold. Congressman Seth Moulton announced ...

Four self-locating datum marker buoys, SLDMBs, were also deployed to support the Coast Guard’s Search and Rescue Optimal Planning System, refining drift predictions in changing sea conditions.

Four self-locating datum marker buoys, dropped by search crews, are actively transmitting data, enhancing Search and Rescue Optimal Planning System drift predictions to refine the search for the ...