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Screenshots

  • SwellLab screenshot 1
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About SwellLab

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

What’s new

Version 2.6.8 · Updated 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.

App privacy

The developer, Chia-Yu Huang, reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Usage Data: Product Interaction
  • Contact Info: Email Address, Name
  • User Content: Photos or Videos, Other User Content
  • Identifiers: User ID

Used for: Analytics, App Functionality

Alternatives to SwellLab

Looking for apps like SwellLab? Here are 6 similar apps on the App Store. The highest rated is Global Tide Pro: Wind & Tide (5.0/5), and all 6 are free to download.

SwellLab vs. alternatives
App Rating Price Last updated Compare
SwellLab – Free October 15, 2026
Surf Forecast - Curlio – Free Jun 15, 2026 Compare
潮汐表 Pro - 釣魚海象浪高與風速氣象 – Free Oct 15, 2026 Compare
Marine Forecast App - Boat8 1.0 / 5 (1) Free Jul 16, 2026 Compare
TWRadar: Taiwan Radar & Alerts – Free Oct 17, 2026 Compare
Global Tide Pro: Wind & Tide 5.0 / 5 (1) Free Aug 26, 2026 Compare
Spotadvisor Surf Forecast – Free Oct 19, 2026 Compare

Compare SwellLab with the top alternatives: ratings, updates, ASO score and keyword gaps →