🧭 Charting Authority Official Source · Verified Jul 02, 2026 National hydrographic authority: Servicio de Hidrografía Naval (SEMAR) — publishes official charts and nautical publications for Mexico. 95% Confidence ✓ Confirm 💬 Comment
🧭 Sailing Directions Caution Official Source · Verified Jul 02, 2026 "Entry should not be attempted without local knowledge." (NGA Sailing Directions Pub.153, Manzanillo). 95% Confidence ✓ Confirm 💬 Comment
🧭 Entrance Channel Character (Port Rules) Operator Source · Verified Jul 02, 2026 Access channel and maneuvering basins maintained minimum depth 14 m and nominal channel width ~130 m (Rules of Operation, Puerto Manzanillo). 90% Confidence ✓ Confirm 💬 Comment
🧭 Detached Shoals / Entrance Dangers Official Source · Verified Jul 02, 2026 Detached shoals lie near entrance: examples reported depths ~5.1–6.7 m W/WSW of Punta la Audiencia and near Punta Santiago; avoid these when approaching. 90% Confidence ✓ Confirm 💬 Comment
🧭 Tides (Approx.) Official Source · Verified Jul 02, 2026 Tidal range: springs ~0.7 m, neaps ~0.5 m (Sailing Directions Pub.153). 90% Confidence ✓ Confirm 💬 Comment
🧭 Tug (Remolcador) Requirement Official Source · Verified Jul 02, 2026 Regulation: mandatory use of tugs for maneuvers within port limits for vessels >2,500 GT; exceptions for certain cruise ships as determined by authorities. 90% Confidence ✓ Confirm 💬 Comment
🧭 Pilotage Availability / Compulsion Official Source · Verified Jul 02, 2026 Pilotage listed as compulsory/available for Manzanillo in official World Port Index (NGA Pub.150 / WPI entry 15770). 90% Confidence ✓ Confirm 💬 Comment
🧭 Pre-Arrival Reporting / Cctm Contact Operator Source · Verified Jul 02, 2026 CCTM (Centro de Control de Tráfico Marítimo) monitors operations; remolcadores and pilots report movements to CCTM (VHF Ch.13 or designated channel). 85% Confidence ✓ Confirm 💬 Comment