LNM13-F90A59
Received 23 Sept 2026, 00:00 UTC
Warning text
Positions open on the mapPUGET SOUND - ELLIOTT BAY
General / Miscellaneous
The Port of Seattle will deploy hydrophones in Elliott Bay on 16 – 17 Jul 2025 for the purpose of collecting ambient underwater noise data. The hydrophones will be fully submerged and rest on the seafloor, and will be connected to shore stations via an ethernet cable. They will remain in place for two years, through 2027. One location is near the Seattle Aquarium in approximate position 47-36.43N 122-20.64W. The hydrophones will be deployed using Seattle Police boats. For more information on this project, contact Danielle Butsick at (206)-549-2945 or [email protected].
Position 47-36.43N 122-20.65W
USCG Northwest District Local Notice to Mariners 45/2026