UK waters
The international channels, plus these.
- 16Distress and urgency calls; keep a listening watch. The Coastguard announces safety information here.
- 62 · 63 · 64The Coastguard reads safety information and weather after the call on 16; sometimes on 10.
- 80Marinas and yacht clubs.
- M · M2Marinas and yacht clubs, in UK waters only.
Harbour and port operations channels are on the chart and in the almanac.