🧭 Entrance Geometry Official Source · Verified Jul 02, 2026 Entrance width 0.8 mile between Carter and Ninini Points; inland extent ~1.0 mile. 95% Confidence ✓ Confirm 💬 Comment
🧭 Project Depths / Channel Marking Official Source · Verified Jul 02, 2026 Federal project depths: entrance channel 40 ft, harbor basin 35 ft; channel marked by lights, buoys and a lighted range. 95% Confidence ✓ Confirm 💬 Comment
🧭 Pilotage And Boarding Official Source · Verified Jul 02, 2026 Pilotage compulsory for foreign vessels; Hawaii Pilots Association available; pilot boarding area 1.5 nm ESE of Ninini Point Light; request 24 h notice. 95% Confidence ✓ Confirm 💬 Comment
🧭 Transit Cautions (Winds, Seas, Tugs) Official Source · Verified Jul 02, 2026 Transit difficult for large vessels—quartering swells and brisk tradewinds; local pilots require assist tug for medium–large vessels. 95% Confidence ✓ Confirm 💬 Comment
🧭 Anchoring Restrictions Official Source · Verified Jul 02, 2026 Anchoring in vicinity outside breakwater not recommended; commercial vessels may not anchor in harbor basin except by harbormaster permission; limited swinging room. 95% Confidence ✓ Confirm 💬 Comment
🧭 Aids To Navigation At Entrance Official Source · Verified Jul 02, 2026 Breakwater extends NE from Carter Point and is lighted; jetties marked by lights on outer ends; private lights mark inside channel. 95% Confidence ✓ Confirm 💬 Comment
🧭 Harbor Operational Restrictions Official Source · Verified Jul 02, 2026 Harbor has a security zone when fuel barge in port (check 33 CFR references); harbor speed limit 5 mph. 95% Confidence ✓ Confirm 💬 Comment
🧭 Federal Project / Dredging Oversight Official Source · Verified Jul 02, 2026 USACE identifies Nawiliwili as a deep‑draft federal project in operations & maintenance; HDOT is non‑Federal sponsor; maintenance dredging occurs. 90% Confidence ✓ Confirm 💬 Comment