The Science
Research on environmental noise consistently shows that natural soundscapes — ocean, rain, birds — improve cognitive performance and reduce stress compared to silence or artificial noise. The key is "natural variation" — a recording with actual wave rhythm and irregularity outperforms looping tracks or white noise.
What We Recommend
Look for recordings made on-location with field microphones — not synthesized approximations. The Nox Taiga and Calm apps have solid ocean soundscapes. YouTube has hours of "real recorded ocean at night" if you don't want to subscribe. Anything from the Oregon coast sounds different from Cape Hatteras — the frequency of the waves changes with the geography.
How to Use It
Use ocean sound for deep work sessions (90 minutes or more) where you're doing writing, analysis, or creative tasks. Avoid it for tasks requiring precise listening or communication. The ambient white noise effect works by masking distracting sounds without creating new ones to process.
The Counter-Argument
If you live near the ocean already, ambient soundscapes can become associated with relaxation and actually reduce focus by priming you for sleep. Know yourself. Some people do better with lo-fi beats — that's valid too.