🧭 Sailing Directions / Local Publication Official Source · Verified Aug 26, 2026 U.S. Coast Pilot 10, Chapter 5 covers Columbia River (Astoria) approach, jetties, currents, pilotage and weekly updates. 95% Confidence ✓ Confirm 💬 Comment
🧭 Pilotage & Boarding Requirements Official Source · Verified Aug 26, 2026 Pilotage across the Columbia River bar is compulsory for enrolled U.S. and most foreign vessels; 24‑hr notice recommended; contact Columbia River Bar Pilots (VHF ch 9/13/16) and expect helicopter or boat boarding. 95% Confidence ✓ Confirm 💬 Comment
🧭 Charting Authority Official Source · Verified Aug 26, 2026 U.S. Office of Coast Survey (NOAA) is the national charting authority; NOAA ENC and chart services cover Columbia River/Astoria. 90% Confidence ✓ Confirm 💬 Comment
🧭 Entrance Character — Breakers, Shoals, Currents Official Source · Verified Aug 26, 2026 USCG LNM: Clatsop Spit is 'most unpredictable'; heavy breakers, abrupt rips and set toward the spit on flood/ebb; remain north of specified red buoys; submerged jetty hazards noted. 90% Confidence ✓ Confirm 💬 Comment
🧭 Jetties & Submerged Sections Official Source · Verified Aug 26, 2026 Coast Pilot: south jetty extends about 2.7 nm seaward (westernmost mile submerged); north jetty ~1,200 yd seaward; both have reported deterioration/submerged sections. 90% Confidence ✓ Confirm 💬 Comment
🧭 Federal Navigation Channel (Maintenance & Depth) Official Source · Verified Aug 26, 2026 USACE Portland District: authorized Columbia & Lower Willamette navigation channel — generally 43 ft deep (Mouth to Vancouver); Astoria turning basin at CRM 13 depth 43 ft. 90% Confidence ✓ Confirm 💬 Comment