Detroit River
River in Michigan, read from its USGS gauge, draining about 228,800 square miles. Figures refresh every fifteen minutes.
Discharge
189,000
cfs · 1h ago
Normal for today
212,000
cfs median, 18 yrs
Water temp
—
not measured here
Gage height
573.90
ft
Reading the number
On this date the gauge has averaged 212,000 cfs over 18 years of record, with the middle half of years falling between 193,000 and 225,000 cfs. Today is below that band: lower, clearer and, in summer, warmer water than a typical October day here.
Regional hatch calendar
What is likely hatching near Detroit River
Detroit River does not have its own verified chart yet. This calendar is combined from the verified charts on Huron River (33 mi), Grand River (104 mi). Treat it as regional timing, and file a report if you see something different here.
| Insect | J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Caddis | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: peak | August: active | September: active | October: absent | November: absent | December: absent |
| Egg Patterns | January: active | February: active | March: peak | April: peak | May: absent | June: absent | July: absent | August: absent | September: absent | October: peak | November: peak | December: peak |
| Hendrickson | January: absent | February: absent | March: absent | April: active | May: active | June: absent | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Hex | January: absent | February: absent | March: absent | April: absent | May: absent | June: peak | July: peak | August: absent | September: absent | October: absent | November: absent | December: absent |
| Isonychia | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: active | August: active | September: absent | October: absent | November: absent | December: absent |
| Lake-Run Smallmouth | January: absent | February: absent | March: absent | April: peak | May: peak | June: active | July: active | August: active | September: absent | October: absent | November: absent | December: absent |
| Little Black Stonefly | January: active | February: active | March: peak | April: active | May: absent | June: absent | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Minnow Patterns | January: active | February: active | March: active | April: active | May: absent | June: absent | July: absent | August: absent | September: absent | October: peak | November: peak | December: active |
| Smallmouth Bass | January: absent | February: absent | March: peak | April: peak | May: peak | June: peak | July: active | August: active | September: absent | October: absent | November: active | December: active |
| Steelhead Run | January: active | February: active | March: peak | April: peak | May: absent | June: absent | July: absent | August: absent | September: absent | October: active | November: peak | December: peak |
| Sulphur | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| Terrestrials | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: peak | August: peak | September: active | October: absent | November: absent | December: absent |
Reports
From anglers on Detroit River
No reports filed here yet. The first one becomes the page’s local knowledge, stamped with the flow at the time. File a report.