| CCG |
Canadian Coast Guard |
| CMC |
Canadian Meteorological Centre |
| ECCC |
Environment and Climate Change Canada |
| HF |
High Frequency |
| HF NBDP |
High Frequency Narrow Band Direct Printing of HF telex |
| IMO |
International Maritime Organization |
| ISO |
International Organization for Standardization |
| JCOMM |
Joint Commission for Oceanography and Marine Meteorology |
| MCTS |
Marine Communications and Traffic Services |
| MF |
Medium Frequency |
| MSC |
Meteorological Service of Canada |
| MSI |
Maritime Safety Information |
| NAVTEX |
Navigational Telex |
| NIRT |
National Inquiry Response Team |
| RSS |
Rich Site Summary |
| SOLAS |
Safety of Life at Sea |
| VHF |
Very High Frequency |
| WMO |
World Meteorological Organization |
