LNM13-DDEB1C
Received 28 Oct 2026, 00:00 UTC
Warning text
Positions open on the mapSECTOR COLUMBIA RIVER, TERRITORIAL SEA - SECTOR COLUMBIA RIVER, SUBMERGED LAND ACT (SLA)
General / Miscellaneous
Sea Risk Solutions LLC on behalf of The H.D.D. Company will be conducting marine dive operations off the outer Pacific Coast of Washington, near Westport, Grays Harbor County and Cohassett from 15 Oct 26 – 15 Feb 27. Marine dive operations will be during daylight hours only. R/V Zephyr will be the on-scene dive support vessel, monitoring channels VHF Channels 16 and 19. Mariners are requested to keep a minimum 0.5 NM distance from the dive vessel and proceed with caution. For additional information, contact Captain Ron Micjan at 503-632-5553 or [email protected] LAT/LONG OF MARINE OPERATIONS: Position 1. 46 52 28.3607 N; 124 08 22.0226 W Position 2. 46 52 26.7419 N; 124 08 22.0186 W Position 3. 46 52 25.1255 N; 124 08 21.8943 W Position 4. 46 52 23.5069 N; 124 08 21.8440 W Position 5. 46 52 21.8924 N; 124 08 21.6716 W Position 6. 46 52 20.2860 N; 124 08 21.3807 W
Position 46-52.42N 124-08.37W
USCG Northwest District Local Notice to Mariners 44/2026