A retro LCD watchface inspired by classic Casio digital watches — built for surfers, tidewalkers, and anyone who keeps an eye on the ocean.

The time is displayed in a sharp 7-segment font with AM/PM indicators, alongside the current day and date. A tide chart shows predicted high and low cycles using harmonic tide calculations for your chosen location, and a moon phase display tracks the lunar cycle — both of which influence the tides.

Tide predictions are generated on-device using real harmonic constants sourced from NOAA, UKHO, and international tide authorities — the same data used by official tide tables. No internet connection required.

Features:

- Segmented LCD display with authentic ghost-digit effect
- Real-time tide prediction using harmonic analysis — no phone connection required
- Moon phase display
- 10 tide stations: Monterey, San Diego, Miami, New York, Rio de Janeiro, London, Singapore, Jeju, Sydney, and Honolulu
-12/24-hour time format
- Light and dark mode
- MM-DD or DD-MM date format
- Quick Info Bar support