Gulf Coast Gauges

Mississippi Sound at USGS Merrill Shell Bank Light water level

USGS gauge 301429089145600 · Jackson County · Mississippi Gulf Coast · NWS gauge MSBM6

4.05 ft

gage height, Oct 23, 2026 at 2:45 PM CDT · 2 hours ago

Highest since 2010 (USGS)
11.57 ft (August 29, 2012)
Usual range
2.92 to 4.72 ft

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

No National Weather Service alert covering Jackson County was active when this page was generated (Oct 23, 2026 at 5:05 PM CDT). Alerts are issued and expire at any time; the current list is at alerts.weather.gov.

Last 7 days

2.9 3.8 4.7 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. It is not a water depth. USGS publishes no datum elevation for this gauge, so it can't be converted to an elevation here.

Daily highs and lows since September 11, 2026

2.2 4.1 6.0 2026-09-11 – 2026-10-23 · bars are daily low to high

Annual peaks since 2010

In 8 complete water years of comparable USGS records (since 2010), the highest peak was 11.57 ft on August 29, 2012. So far in water year 2027 (since October 1) the highest reading is 5.95 ft on October 9, 2026, higher than the annual peak in 1 of 8 years.

5 7 9 10 12 2010 2015 2020 2025 Water year 2010: 6.96 ft on November 10, 2009 Water year 2011: 7.11 ft on September 3, 2011 Water year 2012: 11.57 ft on August 29, 2012 Water year 2013: 6.07 ft on August 18, 2013 Water year 2015: 5.90 ft on November 26, 2014 Water year 2024: 7.92 ft on September 12, 2024 Water year 2025: 6.16 ft on November 5, 2024 Water year 2026: 6.07 ft on July 22, 2026 Water year 2027 so far: 5.95 ft on October 9, 2026 2012 2024 2011

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

mississippi-sound-at-usgs-merrill-shell-bank-light.csv (CSV): every reading stored for this gauge since September 11, 2026, 4,048 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.