Currents and Tides - CaTbox

Gantline Enterprises

About this app

Currents And Tides (CaTbox) is a free app for viewing tide and tidal current predictions from NOAA. It’s built for people who spend time on the water and want clear, reliable information without ads or a subscription. Coverage is focused on U.S. waters.

No ads. No subscriptions. No monetization — free means free.

CaTbox is maintained and improved over time based on user feedback.

Also available on the web at
https://catbox.gantline.org/

Key features:
• Always ad-free and free to use
• Offline access for up to 14 days at favorited stations
• Recents, favorites, and nearby stations
• Map view of current and tide stations
• Detailed station pages with tide and current tables, sunrise/sunset, and station metadata
• Full station list filterable by USCG sector, waterbody type, and waterbody name
• Datum and current-bin selection for supported stations
• Currently includes 6,252 current and tide stations
• Multiple themes and unit settings

CaTbox uses publicly available prediction data from NOAA Tides & Currents:
https://tidesandcurrents.noaa.gov/

This is an independent application and is not an official NOAA product and does not represent any government agency. Predictions are provided for informational and planning purposes only and are not guaranteed.

Not for primary navigation. Always verify conditions with official charts, publications, and local knowledge.

What’s new

Bug fixes and stability improvements. Now available via closed testing.