Coralville Lake Marina
Coralville Lake Marina is a marina in Iowa City, IA. Boat rentals are available.
About
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Operator details
- Vessels
- Powerboat
Boat launches near Coralville Lake Marina
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Typical flow by month
1993 to 2026
The water at Coralville Lake Marina typically runs highest in June, at a median 4,255 cfs, and lowest in September, at 476 cfs. The highest flow on record for any single day is 39,400 cfs, in 2008.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 725 | 348 to 1,440 | |
| February | 980 | 586 to 1,860 | |
| March | 2,420 | 1,370 to 4,640 | |
| April | 2,600 | 1,455 to 4,860 | |
| May | 3,740 | 2,020 to 6,000 | |
| June | 4,255 | 2,145 to 6,090 | |
| July | 2,610 | 1,480 to 6,010 | |
| August | 840 | 563 to 2,050 | |
| September | 476 | 226 to 1,565 | |
| October | 598 | 197 to 1,730 | |
| November | 829 | 476 to 1,910 | |
| December | 1,060 | 579 to 1,800 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 34 years of record. Statistics published by the US Geological Survey for Iowa River below Coralville Dam nr Coralville, IA (site 05453520). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Current conditions
Streamflow
9,970 cfs
Much above normal (95th)
Water level
55.78 ft
High today
61°F
Wind
10 kt
Gusts 23 kt
Rain chance
50%
Week ahead
Forecast from Open-Meteo global models (NOAA & ECMWF). See full conditions →
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