21Marine Channels - USAChannel Frequency (MHz) Traffic Type Note Ship to Ship toDesig Transmit Receive Ship ShoreWX0 — 163.275 NOAA Weather RX Only RX OnlyWX1 — 162.550 NOAA Weather RX Only RX OnlyWX2 — 162.400 NOAA Weather RX Only RX OnlyWX3 — 162.475 NOAA Weather RX Only RX OnlyWX4 — 162.425 NOAA Weather RX Only RX OnlyWX5 — 162.450 NOAA Weather RX Only RX OnlyWX6 — 162.500 NOAA Weather RX Only RX OnlyWX7 — 162.525 NOAA Weather RX Only RX OnlyWX8 — 161.650 Can. Weather RX Only RX OnlyWX9 — 161.775 Can. Weather RX Only RX Only01 156.050 156.050 Com’l, Port Ops, VTS Yes Yes02 INH03 156.150 156.150 Com’l, Port Ops, VTS Yes Yes04 INH05 156.250 156.250 Port Ops, VTS Yes Yes06 156.300 156.300 Safety Yes No07 156.350 156.350 Com’l Yes Yes08 156.400 156.400 Com’l Yes No09 156.450 156.450 Com’l & Non Com’l Yes Yes10 156.500 156.500 Com’l Yes Yes11 156.550 156.550 Com’l, VTS, SMS Yes Yes12 156.600 156.600 Port Ops, VTS, SMS Yes Yes13 156.650 156.650 Navigational 1W Yes No14 156.700 156.700 Port Ops Yes Yes15 RX Only 156.750 Environmental RX Only16 156.800 156.800 Distress, Safety, Calling Yes Yes17 156.850 156.850 State Control Yes Yes18 156.900 156.900 Com’l Yes Yes19 156.950 156.950 Com’l Yes Yes20 157.000 157.000 Port Ops Yes Yes21 157.050 157.050 U.S. Govt Only Yes Yes22 157.100 157.100 Coast Guard Yes Yes23 157.150 157.150 U.S. Govt Only Yes Yes24 157.200 161.800 Public Corresp. DUP No Yes