156.975 156.975 Commercial. Non-Commercial in Great Lakes only 80A 157.025 157.025 Commercial. 157.425 162.025 Public Correspondence only near Canadian border. 157.425 157.425 Commercial, Intership only. 162.525 See the NOAA Weather Radio Homepage for more information.
Frequencies are in MHz.
Boaters should normally use channels listed as Non-Commercial. Channel 16 is used for calling other stations or for distress alerting. Channel 13 should be used to contact a ship when there is danger of collision. All ships of length 20m or greater are required to guard VHF channel 13, in addition to VHF channel 16, when operating within U.S. territorial waters. Users may be fined by the FCC for improper use of these channels.