Best Surf Log App 2026: Free & Paid Journals Ranked
“Most surf log apps are scrapbooks. The point of logging isn't the diary — it's that the diary should make tomorrow's call easier. A log that just stores entries wastes the best dataset a surfer will ever have: their own sessions.” — Nick Peterson, LazySurfer founder, San Diego
Quick comparison
| App | Logging method | Auto-detect? | Learns from your logs? | Forecast included? | Price | Platforms |
|---|---|---|---|---|---|---|
| LazySurfer | Manual log + conditions auto-filled from buoys | No (manual session entry) | Yes — trains a personal ML model + Similarity Score | Yes (Pro adds 7-day) | Free; Pro $7.99/mo, $49.99/yr | iOS + Android |
| Dawn Patrol | Apple Watch GPS auto-tracking | Yes (best in class) | No (stats & analytics, not prediction) | No | Free tier; Soul Surfer sub | iOS + Apple Watch |
| Glassy | Manual + GPS-assisted log | Partial (GPS session) | No (insights from your data) | Yes (7-day, global) | Free | iOS + Android |
| Surfr | Phone/watch GPS tracking | Yes (GPS + jump detect) | No | Limited | Free tier + sub | iOS, Android, Wear OS, Garmin |
| Surf Journal | Manual log (under a minute) | No | No (auto-fills swell/wind) | Conditions auto-imported | Free / paid tier | iOS |
| SurfTrackr | Manual journal entries | No | No | No | Free / paid tier | iOS |
The two kinds of surf log app
Before the rankings, understand the split. Auto-trackers (Dawn Patrol, Surfr) use GPS and an Apple Watch or phone to count your waves, distance, and speed in the water — the log writes itself, but it's a fitness record. Journals (Surf Journal, SurfTrackr, and the logbook side of Glassy) are quick manual entries: spot, rating, notes, conditions. LazySurfer sits in the journal camp but adds the thing none of the others do — it feeds your entries into a model that predicts how you'll rate future sessions. The best app for you depends on which you actually want: a workout tracker, a diary, or a forecaster that learns you.
1LazySurfer
LazySurfer is the only app here where logging does something beyond storage. Every session you record — spot, your 1-to-5 star rating, and conditions auto-filled from the nearest NOAA buoy — becomes training data. LazySurfer runs a custom deep-learning model (a PyTorch neural network with per-user embeddings), retrained weekly on real logged surf sessions from the LazySurfer community, that predicts your 1-to-5 star rating at 90% exact-match accuracy (97.6% within one star). Predictions come from a cloud service and are cached on-device so you can check them offline.
The differentiator is the Similarity Score: LazySurfer compares the current forecast to your highest-rated past sessions and alerts you when conditions line up with the days you actually scored. It's not a generic "surf's up" notification — it's tuned to your logbook. The more you log, the sharper your model and your alerts get. Conditions data comes from NOAA NDBC buoys and NWS wind, the same authoritative sources the pros rely on.
“LazySurfer's model predicts your personal star rating at 90% exact-match accuracy and 97.6% within one star — and the free tier covers logging, predictions, and the Similarity Score, with Pro at $49.99/yr for the 7-day forecast.” — The short version of why logging matters
2Dawn Patrol
Dawn Patrol is the strongest wearable surf tracker on the market, and this is genuinely something LazySurfer doesn't do. Strap on an Apple Watch, paddle out, and the app automatically records your session: wave count, distance surfed per wave, top speed, time in the water, heart rate, and calories — all mapped onto a satellite view of the spot when you sync to your iPhone. The basic features are free; a Soul Surfer subscription unlocks premium analytics. The 2026 release is optimized for iOS 26 with a refreshed interface.
The trade-off: Dawn Patrol logs what you did, not how good it was for you, and it doesn't predict future sessions or include a forecast. It's a fitness-and-performance log, not a decision tool.
3Glassy
Glassy (glassy.pro) pairs a surf logbook with a worldwide 7-day forecast, and it's free. Log a session and Glassy can use your GPS position, wave count, and per-wave speed to surface insights — which break you surf best, where you catch the most waves, where to sit in the lineup. The forecast side covers wave size, swell direction, period, and wind, with customizable spot alerts, drawing on a community-built atlas of 18,000+ spots. It's the best free combination of journal and forecast on this list.
What it doesn't do is build a personal prediction model: Glassy gives you analytics on what you logged, but it won't forecast your personal rating the way LazySurfer's per-user model does.
4Surfr
Surfr (thesurfr.app) records sessions via phone or watch with GPS tracking, automatic ride/jump detection, and real-time stats — height, airtime, speed, distance — with a full session replay and interactive map afterward. It's the most cross-platform tracker here, supporting Apple Watch, Android Wear OS, and Garmin, plus equipment-inventory management. Note that Surfr leans toward kiteboarding and wing/foil as much as prone surfing, so some features (downwinder mode, jump coaching) target that crowd.
Like the other auto-trackers, it logs performance, not a personalized rating, and forecasting is limited.
5Surf Journal
Surf Journal (surfjournal.app) is built for speed: log a session in under a minute with photos, notes, and a rating, while swell and wind data are pulled in automatically so you can eyeball which conditions lined up with your best days. It's a focused, well-designed diary that nudges you toward the same insight LazySurfer automates — but you do the pattern-spotting yourself; there's no model predicting your next session.
6SurfTrackr
SurfTrackr is a no-frills manual logbook: record each session with as much or as little detail as you want, then review everything in a clean timeline. There's no forecast, no auto-tracking, and no learning layer — but if you simply want a durable record of where and when you surfed, it does that job and stays out of the way.
So which surf log should you use?
- Want your log to predict your next session and alert you when it matches your best days? → LazySurfer
- Have an Apple Watch and want automatic wave-by-wave tracking? → Dawn Patrol
- Want a free logbook + forecast in one app? → Glassy
- Track across multiple watch platforms (or you kite/wing too)? → Surfr
- Want a fast, pretty manual journal on iOS? → Surf Journal
- Just want a simple durable diary? → SurfTrackr
The honest summary: if you only want to record what happened in the water, the auto-trackers and journals all do it well, and Dawn Patrol's hands-free Apple Watch logging is a real edge LazySurfer doesn't match. But if you want your log to actually improve your decisions — when to paddle out, which window to chase — LazySurfer is the only one here that turns your sessions into a personal forecast.
Related reading: LazySurfer vs Dawn Patrol, LazySurfer vs Quiver, Best AI surf forecast app 2026, How LazySurfer works, the FAQ, and the surf glossary if you're still learning the terms.
Frequently asked
What is the best surf log app?
LazySurfer, if you want your log to do something: every session is stored with the NOAA buoy, wind and tide readings that occurred during it, and those sessions train a personal model that predicts your rating for future days. Dawn Patrol is the best Apple Watch auto-tracker, and Glassy is a solid free logbook-plus-forecast combo.
Is there a free surf log app?
Yes. LazySurfer's free tier includes unlimited session logging with conditions captured automatically and no ads; Pro ($7.99/mo, $29.99/6mo, $49.99/yr) adds cloud backup and the 7-day forecast. Glassy and Surfr have free tiers. Dawn Patrol charges for full Apple Watch tracking.
Does a surf log app work with Apple Watch?
Dawn Patrol is the strongest Apple Watch option, auto-detecting waves, speed and distance. LazySurfer is a phone-first journal that records what the ocean was doing rather than what your arms did; many surfers use both. Surfr also supports watch-based wave tracking.
Does LazySurfer's log work offline?
Yes. You can log a session with no signal and the app attaches the buoy, wind and tide readings once it syncs. Cached predictions and the spot library are also available offline, which matters at remote breaks where you most want a record of what worked. Cloud backup of the log is a Pro feature.
What should I record in a surf log?
Date, spot, a 1-to-5 rating, board, and a short note. Let the app capture the numbers: wave height, period, swell direction, wind and tide stage. Over 10-20 sessions those paired records are what make a personalized forecast possible, which is why LazySurfer captures them automatically rather than asking you to type them.
Check the buoy at your break
Every app on this page reads the same NOAA buoys. See the live reading, tide chart, and ideal conditions for a few flagship breaks — no app required:
State roundups: Best surf spots in California · Best surf spots in Florida · Best surf spots in Hawaii · Best surf spots in New York.