Gulf Coast Gauges

Hamilton Creek at Snow Road near Semmes water level

USGS gauge 02480002 · Mobile County · Mobile Bay · NWS gauge SMSA1

3.40 ft

gage height, Oct 23, 2026 at 2:30 PM CDT · 3 hours ago

Highest since 1991 (USGS)
10.43 ft (June 19, 2026)
Usual range
3.30 to 3.54 ft

USGS marks recent readings as provisional: they can be revised after review.

No National Weather Service alert covering Mobile County was active when this page was generated (Oct 23, 2026 at 5:50 PM CDT). Alerts are issued and expire at any time; the current list is at alerts.weather.gov.

Last 7 days

3.1 3.4 3.6 Oct 17 Oct 18 Oct 19 Oct 20 Oct 21 Oct 22 Oct 23

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 107.41 ft NAVD88. It is not a water depth and not an elevation: add 107.41 ft to get the water surface elevation.

Daily highs and lows since September 11, 2026

3.1 3.8 4.4 2026-09-11 – 2026-10-23 · bars are daily low to high

Annual peaks since 1991

In 36 complete water years of comparable USGS records (since 1991), the highest peak was 10.43 ft on June 19, 2026. So far in water year 2027 (since October 1) the highest reading is 4.44 ft on October 4, 2026, higher than the annual peak in 4 of 36 years.

3 5 7 9 11 1995 2000 2005 2010 2015 2020 2025 Water year 1991: 5.43 ft on May 26, 1991 Water year 1992: 4.41 ft on February 17, 1992 Water year 1993: 7.14 ft on January 21, 1993 Water year 1994: 5.58 ft on June 25, 1994 Water year 1995: 7.00 ft on May 10, 1995 Water year 1996: 8.58 ft on December 18, 1995 Water year 1997: 7.10 ft on July 19, 1997 Water year 1998: 8.70 ft on September 28, 1998 Water year 1999: 6.43 ft on March 14, 1999 Water year 2000: 4.62 ft on March 29, 2000 Water year 2001: 4.39 ft on August 11, 2001 Water year 2002: 6.16 ft on September 26, 2002 Water year 2003: 5.05 ft on July 1, 2003 Water year 2004: 5.61 ft on September 16, 2004 Water year 2005: 6.83 ft on April 1, 2005 Water year 2006: 3.61 ft on December 15, 2005 Water year 2007: 6.66 ft on November 15, 2006 Water year 2008: 6.16 ft on April 5, 2008 Water year 2009: 5.92 ft on March 28, 2009 Water year 2010: 5.81 ft on January 21, 2010 Water year 2011: 4.20 ft on September 4, 2011 Water year 2012: 6.50 ft on May 2, 2012 Water year 2013: 5.28 ft on May 3, 2013 Water year 2014: 5.21 ft on April 30, 2014 Water year 2015: 5.93 ft on May 16, 2015 Water year 2016: 4.90 ft on December 23, 2015 Water year 2017: 9.64 ft on January 1, 2017 Water year 2018: 8.30 ft on October 8, 2017 Water year 2019: 8.22 ft on May 11, 2019 Water year 2020: 8.76 ft on June 8, 2020 Water year 2021: 9.86 ft on August 30, 2021 Water year 2022: 8.87 ft on December 18, 2021 Water year 2023: 8.38 ft on April 13, 2023 Water year 2024: 8.66 ft on May 14, 2024 Water year 2025: 9.33 ft on April 6, 2025 Water year 2026: 10.43 ft on June 19, 2026 Water year 2027 so far: 4.44 ft on October 4, 2026 2026 2021 2017

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.

Download the readings

hamilton-creek-at-snow-road-near-semmes.csv (CSV): every reading stored for this gauge since September 11, 2026, 4,043 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.