Last Updated: May 24, 2025 – 8:00 AM
Our current water level at The Alton Marina is 416.77 ft. (7′ +/-. within the harbor).
The most current USACE water forecast is predicting water levels over the next 5 days near 417 elevation. Please see the USACE forecast data in the links below. This forecast, of course, can change with upriver rainfall. As always, we will monitor the forecast daily and advise accordingly. Please check our Facebook page as well for more daily updates.
If you have any questions, please do not hesitate to contact the Marina office at 618-462-9860. Safe travels!
PUBLIC LAUNCH RAMP OPEN —- USE CAUTION
Please see the following links for more river data:
Click Here for the USACE 7-Day Forecast
National Weather Service Advanced Hydrologic Prediction Service
