About this river
Manitowoc River is an 8.7 mile river near EOS Surf & Outdoor in Wisconsin. Streamflow is measured at the USGS gauge Manitowoc River at Manitowoc, WI (site 04085427). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1972 to 2026
Manitowoc River typically runs highest in April, at a median 842 cfs, and lowest in August, at 57 cfs. The highest flow on record for any single day is 8,000 cfs, in 1979.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 86 | 44 to 158 | |
| February | 98 | 54 to 190 | |
| March | 737 | 326 to 1,200 | |
| April | 842 | 484 to 1,355 | |
| May | 336 | 171 to 638 | |
| June | 215 | 78 to 533 | |
| July | 83 | 45 to 222 | |
| August | 57 | 38 to 123 | |
| September | 58 | 28 to 133 | |
| October | 65 | 39 to 184 | |
| November | 136 | 63 to 282 | |
| December | 119 | 54 to 216 |
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 52 years of record. Statistics published by the US Geological Survey for Manitowoc River at Manitowoc, WI (site 04085427). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
4 mapped launches sit in the mapped area of Manitowoc River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
- Gass LakeGass LakePublic
- Silver Lake ParkSilver LakePublic
- Clarks Mills PondManitowoc RiverPublic
- Manitou City ParkManitowoc RiverPublic
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Manitowoc River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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