For a smartphone application click here.


2026 ATTENTION: The sites have been updated in two ways. New stations have been added and others have been updated in formulas. More importantly the station listing now better follows the river. The list starts inside DC and works out to the Bay. It should be much easier to find neighboring sites.

How to use: Pick the site along the Potomac for the tides. Select (highlight) the month, start date, and total days. Press the Get Tides button.

Potomac River (NW to SE)


Pick the month for the tides,

First day for tides, and

How many days of tides?

Press a button.


www.saltwatertides.com