๐ Notices to Mariners
Weekly updates for corrections to nautical charts, publications, and other critical safety information.
Local Notice to Mariners (by District)
USCG's interactive district map โ always shows the current week's notices for your district automatically. Gulf Coast operations: District 8.
๐ Tides & Currents
โ Regulations & Safety
COLREGS (72 COLREGS)
Open PDF โNavigation Rules (Inland + International, Amalgamated)
Open โ33 CFR (eCFR)
Open โ46 CFR (eCFR)
Open โ46 CFR Subchapter L โ Offshore Supply Vessels
OSV-specific construction, equipment, and manning requirements (Parts 125โ137) โ direct rule for OSV-type vessels like the Kirt Chouest.
SOLAS (Consolidated)
International Convention for the Safety of Life at Sea โ the primary treaty covering ship construction, equipment, and operation.
MARPOL (Consolidated)
International Convention for the Prevention of Pollution from Ships โ Annexes IโVI covering oil, noxious liquids, sewage, air pollution, and more.
STCW Convention & Code
Standards of Training, Certification and Watchkeeping โ the global standard for seafarer competency and certification.
ISM Code
International Safety Management Code โ required for all vessels over 500 GT on international voyages.