Tidekeeper: Offline Tide Times

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Everyone
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Everyone
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About this app

Tidekeeper predicts tides on your phone from official NOAA harmonic constants, so it works on the boat, on the beach and anywhere without signal.

- Daily tide chart with high and low times and heights
- Current height and whether the tide is rising or falling
- 7-day outlook
- 1,300+ NOAA stations across the US coasts, Hawaii, Alaska and territories
- Search by name or find the nearest station
- Feet or meters

No account, no ads, no internet connection needed.

Predictions are for general information only and must not be used for navigation.
Tide charts and high/low times for 1,300+ US stations. Works fully offline.
Updated on
Oct 24, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
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What’s new

First release: offline tide charts and high/low times for 1,300+ US stations.