Introduction
Tide Forecast Application – Tidal Coefficients, Heights, and Periods for Over 150 French Ports
This app provides detailed and highly reliable tidal data for over 150 French ports and a selection of British ports, making it an essential tool for sailors, fishermen, coastal walkers, and anyone living or working by the sea.
Core Features:
Accurate Tidal Predictions Based on Harmonic Constants
The app utilizes harmonic constants provided by Prévi Mer, a trusted source for maritime data, to deliver precise tidal coefficients, sea level heights, and timing for each tidal event.
Fully Functional Offline – No Ads or External Tracking
The application is designed for full offline use, relying on your internet connection only for map visualization and app updates.
No advertisements.
No external data sharing.
Geolocation is used strictly within the app to find the closest port — your privacy is respected.
Local Time Display with Seasonal Adjustments
All tidal times are automatically shown in local time, adjusted for daylight saving (summer/winter time) to prevent confusion and ensure planning accuracy.
Intuitive Forecasting by Day and Month
Use the simple and clean menu interface to:
View daily and monthly tidal forecasts
Navigate easily through dates
Access in-depth tide information for each selected day
Custom Thresholds for Sailing and Fishing
Define a minimum water height threshold based on your needs — such as the minimum depth required to sail, anchor, or fish — and the app will highlight when these conditions are met.
Log and Plan with Precision
Generate tide lists within your selected date range
Record and organize low tide events in your personal diary
Determine the precise time when a specific water level will be reached or when a location will become dry
Export & Customize Marigrams and Tide Tables
Print and customize marigrams (tide curves) and tide tables for personal or professional use. Perfect for planning outings, harbor operations, or fishing schedules.
Browse Tides at Other Ports
Want to know what’s happening elsewhere? Easily switch between supported ports to explore tidal data for different locations.
User Feedback Welcome
Your experience matters to us. We invite you to share your feedback and suggestions so we can continue improving the app and providing even better services to the maritime community.
Download the Tide Forecast App Today
Plan smarter, sail safer, fish better — with tides at your fingertips.
Let me know if you'd like a version tailored for app store submission (e.g., App Store or Google Play) or translated into French or another language.