About Tidal Map

Liquid intelligence for watermen and waterwomen.

Tidal Map surfaces the data a captain actually needs for the spot they're looking at — tides, weather, currents, river flow, and dam releases — in the order they need it. No fumbling between a tide table, a weather app, and a river gauge website: it's one chart, tuned to where you're going.

Best available data, wherever it lives

We collect and display the publicly-available data that's useful to fishermen, straight from the source — NOAA tides and sea-surface temperature, USGS streamflow, NWS wind and swell, USCG hazard notices, and TVA dam releases. Every overlay answers one question: given your spot, what's the best signal we can show right now? A subordinate tide reference at your inlet beats a gauge 30 km away on a different tidal regime — accuracy first, then proximity, then freshness.

From the Crystal Coast, for every coast

Tidal Map was born on North Carolina's Crystal Coast — Swansboro to Harkers Island — the founder's home water. But the data doesn't stop at a state line: coverage runs continental and offshore, and grows as each upstream source expands. Inland counts too — trout fishermen on tailwaters and gauged rivers are first-class users, with live discharge and next-day dam-release data sitting right next to tide and surf.

Not for navigation

Tidal Map is for information and recreation. It is not a navigational tool and should never replace official NOAA charts, proper aids to navigation, or sound seamanship. The captain is always responsible for the safe navigation of their vessel. See our Terms of Service for the full disclaimer.

Get in touch

Questions, feedback, or a data source we should add? We'd love to hear from you — contact us.