Estran : Marées de ta Plage

Grillons Apps

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About this app

The tide at YOUR beach — not the one at the neighboring port.

Estran calculates the tide directly on your phone, for over
2,800 beaches in mainland France and its overseas territories. No servers: the tide,
coefficient, sun, and moon work even in airplane mode, deep
in a cove.

AT A GLANCE
• Real-time tide readings
• Countdown to the next high/low tide
• Tide coefficient (SHOM method, calculated in Brest)
• 24-hour curve: swipe to explore times and heights
• An illustrated background that tracks the actual water level
• Sunrise/sunset and moonrise/moonset
• 1 personalized tide alert included (your event, your coefficient, your times)

YOUR BEACH, PRECISELY
• 2,036 named beaches (search, interactive map)
• 800 unnamed beaches detected by GPS
• Each beach has its own tide constants (38 harmonic components),

calibrated to reference tide gauges

ESTRAN PRO
• 14-day full-day forecast
• Home screen widget: your beach's live tide
• Up to 10 personalized alerts (fishing, boating, swimming, jumps…) — even offline
• Unlimited favorites
• And you support an app with no ads or tracking

HONEST BY DESIGN
Heights are astronomical predictions: the weather can change them. Estran indicates the reliability of each beach and does not replace official navigational charts.

Data: OpenStreetMap (ODbL), DataTourisme, TICON-4 constants (CC BY 4.0), EOT20 global model.

What’s new

Version 1.0.0