Phenomenal (in shipping forecast)
Glossary of nautical terms
PBO rigging
PBO rigging
Passerelle
Passerelle
Osmosis
Osmosis
Orthophthalic
Orthophthalic
Now rising (or falling)
Now rising (or falling)
Notice to Mariners
Notice to Mariners
North up
North up
NMEA2000
NMEA2000
NMEA0183
NMEA0183
Navstar-GPS
Navstar-GPS
Multihull
Multihull
MSI
MSI
Moderate (in shipping forecast)
Moderate (in shipping forecast)
MCA
MCA
Masthead rig
Masthead rig
MARPOL
MARPOL
MARPA
MARPA
MAIB
MAIB
LORAN
LORAN