USCGC Elm (WLB-204) is a U.S. Coast Guard Juniper-class seagoing buoy tender home-ported in Astoria, Oregon.

[9] After launch and sea trials, Elm sailed down the Great Lakes and Saint Lawrence Seaway to reach her new homeport of Atlantic Beach, North Carolina.

Her primary mission was to maintain 250 buoys between Shark River Inlet, New Jersey and the border between North and South Carolina, including Chesapeake Bay.

[7] She supported other Coast Guard missions as well, including search and rescue, law enforcement, oil spill response, and light icebreaking.

[10] Elm was dispatched to search for survivors of the replica HMS Bounty which was sunk by Hurricane Sandy in 2012.

[11] In her law enforcement role, Elm participated in repatriating Cubans attempting to reach the United States in 2007.

[19] On July 15, 2019 Elm reached her new homeport, Astoria, Oregon, replacing Fir, which sailed for Baltimore for her own mid-life overhaul in June 2018.

In the spring of 2022, Elm also supported aids to navigation in Northern California, covering for USCGC Alder which sailed to the Coast Guard Yard for its own mid-life overhaul.