Skip to content

Simple Adventures - Kayaking and Paddleboarding

Saint Clair River in Michigan

River40.5 mi
Make a poster

Around here

Around Saint Clair River

10 mi

Public land: USGS PAD-US

About this river

Saint Clair River is a 40.5 mile river near Simple Adventures - Kayaking and Paddleboarding in Michigan. Streamflow is measured at the USGS gauge ST. Clair River at Port Huron, MI (site 04159130). The National Hydrography Dataset places it at stream order 10. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

2009 to 2026

Saint Clair River typically runs highest in June, at a median 207,000 cfs, and lowest in February, at 174,000 cfs. The highest flow on record for any single day is 272,000 cfs, in 2021.

Show the numbers
Typical flow by month at ST. Clair River at Port Huron, MI, in cfs
MonthTypical (cfs)Usual range (cfs)
January179,000151,000 to 205,000
February174,000148,000 to 199,000
March195,000172,000 to 215,000
April202,000182,000 to 218,000
May205,000184,000 to 218,000
June207,000185,500 to 218,500
July202,000186,000 to 217,000
August204,000188,000 to 220,000
September206,500190,000 to 221,000
October203,000185,000 to 220,000
November202,500185,000 to 217,000
December198,000177,000 to 213,000

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 17 years of record. Statistics published by the US Geological Survey for ST. Clair River at Port Huron, MI (site 04159130). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

8 mapped launches sit in the mapped area of Saint Clair River. Ramp data comes from the USGS national boat-ramp inventory.

  • Interstate 94Black RiverPublic
  • Middle Channel DriveSt. Clair RiverPublic
  • Algonac Waterfront ParkSt. Clair RiverPublic
  • Marine CitySt. Clair RiverPublic
  • MarysvilleSt. Clair RiverPublic
  • Fair HavenLake St. ClairPublic
  • Water StreetBlack RiverPublic
  • Deckers Landing MarinaLake St. ClairRestricted

Made to print

Put Saint Clair River on your wall

This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.

Make the posterOrder by December 8 for Christmas delivery.
Free widget

Embed this gauge on your site

Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Saint Clair River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.

Embed code

See every free widget you can put on your site, including live conditions and a 7 day forecast.