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Pearl River at Rockport, MS Water Level Today

Mississippi · USGS gauge 02488000 · live data · Updated Oct 28, 2026

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About this gauge

USGS gauge 02488000 sits on the Pearl River and reads everything draining 4,556 square miles of the Middle Pearl-Silver basin. Its datum sits 180 feet above sea level NGVD29. Daily flow has been on record here since 1985, 27 years of it.

Where this gauge sits in the drainage

One gauged site sits upstream of here. The closest is Pearl River near Hopewell, MS, reading 3,656 square miles. This gauge adds the 900 square miles that drain in between. Downstream the next reading comes from Pearl River near Monticello, MS at 4,993 square miles, so what passes this gauge is about 91% of the water measured there.

Normal flows here

The Pearl River runs a median of 1,940 cfs at this gauge across 27 years of record. March is the fullest month at a median 10,700 cfs, and October the leanest at 628 cfs. The highest daily mean on record is 86,000 cfs in 2020, and the lowest is 319 cfs in 1988.

Median flow by month
MonthMedian flowShare of annual median
Jan7,060 cfs364%
Feb10,300 cfs531%
Mar10,700 cfs552%
Apr7,175 cfs370%
May2,230 cfs115%
Jun1,490 cfs77%
Jul1,360 cfs70%
Aug829 cfs43%
Sep684 cfs35%
Oct628 cfs32%
Nov1,390 cfs72%
Dec4,020 cfs207%

Medians from the USGS daily-statistics record, 1985 to 2026. A month at 100% is running at its own long-term median.

Flood stages and record crests

The Pearl River reaches flood stage at this gauge at 25 feet. NWS starts watching it at 24 feet. The highest crest on record is 42.8 feet, in April 1979.

NWS flood categories
CategoryGage height
Action24 ft
Minor flooding25 ft
Moderate flooding35 ft
Major flooding39 ft
Highest crests on record
WhenCrest
April 197942.8 ft
April 187441 ft
January 190040 ft
February 202039.2 ft
December 196137.4 ft

Flood categories and crest history from the NOAA National Water Prediction Service, gauge ROCM6. Stages are gage height, not depth. Not for navigation.

Nearby river gauges

Live streamflow and gage height: USGS gauge 02488000. Percentile context computed against the gauge's period of record. Not for navigation.

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