๐งญ Federal Project Depths Post-Deepening Official Source ยท Verified Jul 02, 2026 USACE: Entrance and jetty channels deepened to 54 ft; main ship channel authorized to 52 ft (project completion announced 25 Jun 2026). 95% Confidence โ Confirm ๐ฌ Comment
๐งญ Pilotage And Boarding Procedure Official Source ยท Verified Jul 02, 2026 Pilotage: compulsory for foreign vessels; Brazos Santiago Pilots board 1.0 nm east of the sea buoy; pilots monitor VHF 16 and 12; 24-hr service (weather permitting); 4-hr notice. 95% Confidence โ Confirm ๐ฌ Comment
๐งญ Charting Authority And Primary Charts Official Source ยท Verified Jul 02, 2026 NOAA Office of Coast Survey charts cover Brazos Santiago Pass; primary chart: NOAA Chart 11302 (Intracoastal Waterway to Port Brownsville). 90% Confidence โ Confirm ๐ฌ Comment
๐งญ Recent Hydrographic Surveys Official Source ยท Verified Jul 02, 2026 USACE hydrographic surveys published June 2026 for Entrance, Jetty, Laguna Madre and Brownsville Channel (survey maps and XYZ available). 90% Confidence โ Confirm ๐ฌ Comment
๐งญ Tidal Currents And Cross-Current Caution Official Source ยท Verified Jul 02, 2026 Tidal currents reported up to 6 knots in Brazos Santiago Pass; strong cross currents possible on flood tide and with SE winds. 90% Confidence โ Confirm ๐ฌ Comment
๐งญ Known Dangers And Shoals Official Source ยท Verified Jul 02, 2026 Coast Pilot: unmarked dangerous wreck ~4.5 nm north of Brazos Santiago Pass entrance buoy; fish haven 1.3 nm north of same buoy. 90% Confidence โ Confirm ๐ฌ Comment
๐งญ Channel Character And Jetties Official Source ยท Verified Jul 02, 2026 Brazos Santiago Pass is a narrow pass between Padre and Brazos Islands flanked by flared north and south jetties; entrance is engineered and dredged. 88% Confidence โ Confirm ๐ฌ Comment
๐งญ Temporary Operations And Notices Official Source ยท Verified Jul 02, 2026 USCG Local Notice to Mariners documented dredging operations, submerged pipelines crossing channel and advised mariners to transit with caution (dredge notice dates to 2024โ2026). 88% Confidence โ Confirm ๐ฌ Comment