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Around Bayou Grosse Tete
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Bayou Grosse Tete is a 28.2 mile river. Streamflow is measured at the USGS gauge Bayou Grosse Tete S. of I10 at Grosse Tete, LA (site 07381427). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
2022 to 2025
Bayou Grosse Tete typically runs highest in April, at a median 118 cfs, and lowest in October, at -0.4 cfs. The highest flow on record for any single day is 1,120 cfs, in 2023.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 99 | 23 to 544 |
| February | 59 | 10 to 561 |
| March | 67 | 22 to 412 |
| April | 118 | 20 to 468 |
| May | 53 | 8.9 to 716 |
| June | 8.3 | -2.1 to 103 |
| July | 8.2 | -1.3 to 155 |
| August | 4.2 | -6.0 to 312 |
| September | 5.0 | -4.7 to 91 |
| October | -0.4 | -10 to 88 |
| November | 22 | -4.0 to 62 |
| December | 57 | 12 to 253 |
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 3 years of record. Statistics published by the US Geological Survey for Bayou Grosse Tete S. of I10 at Grosse Tete, LA (site 07381427). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
7 mapped launches sit in the mapped area of Bayou Grosse Tete. Ramp data comes from the USGS national boat-ramp inventory.
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Made to print
Put Bayou Grosse Tete 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.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Bayou Grosse Tete's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.






