Fish River near Marlow water level
USGS gauge 0237854520 · Baldwin County · Mobile Bay · NWS gauge FSMA1
gage height, Oct 23, 2026 at 2:30 PM CDT · 3 hours ago
- Highest since 2019 (USGS)
- 12.21 ft (September 16, 2020)
- Usual range
- 0.74 to 2.32 ft
USGS marks recent readings as provisional: they can be revised after review.
Last 7 days
Hourly averages of USGS readings. The shaded band is this gauge's usual range: the middle 80% of its readings since September 11, 2026.
How to read this gauge
Gage height is the height of the water surface above this gauge's own zero point, which sits at -0.26 ft NAVD88. It is not a water depth and not an elevation: add -0.26 ft to get the water surface elevation.
Daily highs and lows since September 11, 2026
Annual peaks since 2019
In 8 complete water years of comparable USGS records (since 2019), the highest peak was 12.21 ft on September 16, 2020. So far in water year 2027 (since October 1) the highest reading is 3.46 ft on October 2, 2026, higher than the annual peak in 1 of 8 years.
Each dot is the highest gage height of a water year (October to September), from the USGS annual peak record, with recent years USGS has not published yet taken from its 15-minute readings and this site's own; hover a dot for its date. Dashed lines are NWS flood stages.
NWS historic crests
| Date | Crest | Above minor flood stage |
|---|---|---|
| September 16, 2020 | 12.21 ft | — |
| October 29, 2020 | 6.01 ft | — |
| August 31, 2021 | 4.69 ft | — |
| June 19, 2021 | 4.43 ft | — |
| October 10, 2020 | 4.34 ft | — |
| March 31, 2022 | 4.23 ft | — |
| October 28, 2021 | 4.16 ft | — |
| October 27, 2019 | 3.81 ft | — |
The highest crests the National Weather Service lists for this gauge, as published. They can differ from the USGS annual peaks above: USGS records the year's highest gage height, which is not always the crest the NWS lists for the same flood.
Download the readings
fish-river-near-marlow.csv (CSV): every reading stored for this gauge since September 11, 2026, 4,047 rows, with time in UTC and Central, gage height in feet, and the USGS approval status.
Source. Gage height from the U.S. Geological Survey. This site is not affiliated with either agency.