Tide Estimator
Enter the time of a known peak or trough plus the period in hours. The app extrapolates the next four peaks and troughs. Save custom port labels for reuse.
Offline · No GPS · No login
Three calculators for crew at sea.
Tide estimator, wave period calculator, and Beaufort wind scale lookup. Everything runs on your device.
MR
What the app does
Wave Period Calculator
Enter significant wave height (Hs) and peak period (Tp). The app outputs the resulting swell class label using a standard threshold table.
Beaufort Scale Lookup
Enter wind speed in meters per second. The app shows the Beaufort number (0–12) and the corresponding sea-state description.
About Marines LLC
Marines LLC is a US-registered limited liability company headquartered in Delaware. The company publishes Marines Tide Tools on Google Play.
EntityMarines LLC
JurisdictionDelaware, USA
Registered office1209 Orange Street, Wilmington, DE 19801