
SwellLab
Surf Forecast, Ratings & Tides
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Free
In-App Purchases
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About
SwellLab is a surf forecast app built for surfers in Taiwan. Covering 40+ surf spots across the island, it turns wave height, period, swell direction, wind, and tides into easy-to-understand localized ratings — helping you quickly decide where to surf and when to paddle out.
Key features:
• Surf forecast & scoring — a 10-day outlook with an easy 1–5 rating for every spot, tuned to each break's swell window, tide preference, and bottom type
• Best Surf ranking — see which spots are firing right now, sorted across the whole island
• Tide & moon — tide charts and moon phase together, so you know exactly when the window opens
• Live cams — check real-time video before you drive out
• Typhoon tracking — official CWA typhoon and marine warnings, plus swell forecasts through typhoon swell events
• Pocket Spots — save your go-to breaks for one-tap access
• Surf Alerts — get notified when your saved spots hit the conditions you're after
• Multi-source forecast data from ECMWF, NOAA, DWD, Météo-France, and Taiwan's CWA
SwellLab Pro unlocks the full 10-day forecast at our most advanced spots, hourly data refresh, unlimited Pocket Spots and Surf Alerts, and the full Best Surf ranking beyond today. Early-bird pricing available for a limited time.
Terms of Use (EULA):
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Terms and Privacy Policy:
https://swell-lab.com/privacy
https://swell-lab.com/terms
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What's New in SwellLab
2.6.8
October 15, 2026
• Fixed the hourly forecast showing the same values all day when your iPhone is set to a time zone other than the surf spot's. • Surf scores, tides and the "now" marker now always use the surf spot's local time, regardless of your iPhone's time zone. • Hours without forecast data now show "—" instead of borrowing values from another hour.
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Subscriptions & In-App Purchases
SwellLab Pro Monthly
Unlock every SwellLab Pro forecast feature.
$2.991 Month






