Tides & Waves

Tides: The cyclic rise and fall of sea level caused by the gravitational pull of the sun and moon

Waves: The friction between the air molecules and the water molecules causes energy to be transferred from the wind to the water. This causes the most common waves.

How do we measure tides and/or waves? There is no one solution fits all and it depends on many factors including location, existing structures, security, depth, budget, etc.. There are therefore many ways to measure tide and waves and MSI is able to offer a variety of solutions through our carefully selected agencies being Buoy Based, Pressure Based and Radar Based.

Buoy Based


  • TRIAXYS Directional Wave BuoyAXYS current and wave buoy
  • TRIAXYS Directional Current & Wave Buoy
  • TRIAXYS Mini Buoy
  • WatchKeeper Buoy
  • 3m Buoy
  • 5m Nomad Buoy
  • HydroLevel Buoy


Pressure Based


  • rbr-general1-e1530010557754.pngRBRsolo³ compact single channel depth, tide or wave loggers
  • RBRvirtuoso³ standard single channel depth, tide and wave loggers
  • RBRduet³ & RBRduo³ dual channel options adding T, DO, Tu, PAR, Conductivity, etc.
  • RBRconcerto³ & RBRmaestro³ multi channel options (adding up to 9 other channels to the D)
  • RBRquartz³ high accuracy / low drift  paroscientific sensor options
  • Up to 10,000m depth rating


  • Nortek 1Acoustic Surface Tracking (AST) using AWAC and Signature profilers
  • PUV (Pressure) based using the Vector, the Aquadopp Current Meter, and the Aquadopp Current Profilers.

Radar Based


  • Wave DirectionWaveGuide Water Level
  • WaveGuide Height & Tide
  • WaveGuide Direction
  • WaveGuide OnBoard
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