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Alabaha River at GA 203, near Blackshear water level

River gauge, Alabaha River, Georgia, United States

Directions

Right now

Very high for mid-October

Water level

8.29ft Down 0.20 ft over the last 24 hours

Flow
710 cfs
0 5 10 Highest onrecord 12.97 ft Minor floodstage 9.00 ft

History

History
358ftOct 13Oct 14Oct 16Oct 18Oct 19Minor flood stage358ftOct 13Oct 16Oct 19Minor flood stage
510ftSep 20Sep 27Oct 4Oct 12Oct 19Minor flood stage510ftSep 20Oct 4Oct 19Minor flood stage
510ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Minor flood stage510ftOct 2025Apr 2026Oct 2026Minor flood stage
510ftJanMarMayJulSepNov2026510ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %) Minor flood stage

What this means

The gauge at Alabaha River at GA 203, near Blackshear shows 8.29 ft, well above normal for mid-October.

That puts it 5.66 ft above the median of 2.63 ft for mid-October, based on 17 years of readings. It is 0.71 ft below the flood stage of 9.00 ft. A year ago it stood at 1.97 ft (+6.32 ft).

The level is falling, down 0.20 ft over the past 24 hours. Over the past 30 days it has moved between 1.85 ft and 10.02 ft.

That stands out in fall, when many rivers are usually near their lowest.

Compared with 17 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
2.63 ft5.66 ft above the median for this date
Normal for this date
1.28 ft – 5.87 ft8 years in 10 fall in this range (17 years of records)
Same day last year
1.97 ft+6.32 ft
Lowest and highest in 30 days
1.85 ft – 10.02 ft
Lowest and highest in 12 months
1.06 ft – 11.55 ft
Highest on record
12.97 ftMarch 7, 2020

High water at Alabaha River at GA 203, near Blackshear

The National Weather Service splits flooding into minor, moderate and major flood stage, each tied to what starts to go under water at this particular gauge. Minor flooding usually means low roads, parks and farmland; major flooding reaches homes and businesses.

Keep children and dogs well back from the edge, and stay off flooded footpaths and towpaths.

What happens at each level

14.00 ft
Extensive inundation of structures and roads along the river basin. Evacuations of people or transfer to higher ground is likely.
12.00 ft
Some inundation of structures and roads along the river basin can be expected. Evacuations of people to higher ground can be expected.
9.00 ft
Flooding of low lying roads, docks and campgrounds along the river basin can be expected.
8.29 ft
Right now
7.00 ft
Should water levels continue rising, preparations to protect property should begin.

Impact statements from the U.S. National Weather Service.

Highest crests on record

RankLevelDate
112.97 ftMarch 7, 2020
212.92 ftAugust 6, 2024
312.28 ftJanuary 25, 2017
412.26 ftApril 27, 2021
512.06 ftSeptember 2, 2023
611.83 ftAugust 21, 2013
711.77 ftFebruary 27, 2013
811.73 ftJune 23, 2026
911.63 ftFebruary 7, 2016
1011.41 ftSeptember 12, 2017

Weather at the gauge

No rain in the last 3 days.

19 Mon 68° 50° – Wind 12 mph
20 Tue 72° 46° – Wind 10 mph
21 Wed 75° 51° – Wind 10 mph
22 Thu 76° 53° – Wind 7 mph
23 Fri 75° 54° – Wind 10 mph
24 Sat 74° 56° – Wind 14 mph
25 Sun 76° 55° – Wind 13 mph

Forecast: Open-Meteo

Sunrise 07:35 AM Sunset 06:54 PM Daylight 11 hr, 19 min First quarter 61%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Satilla River near WaycrossRiver gauge, Satilla River 14.59 ft Very high −0.28 ft 10 mi
Little Satilla River near OffermanRiver gauge, Little Satilla River 8.47 ft Very high +0.09 ft 15 mi
Satilla River at GA 158, near WaycrossRiver gauge, Satilla River 13.20 ft Very high −0.40 ft 17 mi
Satilla River at AtkinsonRiver gauge, Satilla River 14.18 ft Flooding +0.07 ft 27 mi
Altamaha River at DoctortownRiver gauge, Altamaha River 5.22 ft Normal −0.11 ft 33 mi
Altamaha River near BaxleyRiver gauge, Altamaha River 3.51 ft Normal +0.02 ft 39 mi
Altamaha River near Everett CityRiver gauge, Altamaha River 5.93 ft Below flood stage −0.57 ft 40 mi
Altamaha River at US 221, near CharlottevilleRiver gauge, Altamaha River 2.09 ft Normal +0.01 ft 42 mi

Questions and answers

How does the Alabaha River at GA 203, near Blackshear compare with last year?

It is 6.32 ft higher than on the same day last year, when the reading was 1.97 ft.

What is flood stage for the Alabaha River at GA 203, near Blackshear?

The official flood stage is 9.00 ft. The level is currently 0.71 ft below it.

What is a normal level for the Alabaha River at GA 203, near Blackshear in mid-October?

The median for mid-October is 2.63 ft. In 8 years out of 10 the reading falls between 1.28 ft and 5.87 ft, based on 17 years of records.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Alabaha River at GA 203, near Blackshear today?

On Oct 19, 2026, 02:30 PM EDT, the water level was 8.29 ft. Down 0.20 ft over the last 24 hours.

Is Alabaha River at GA 203, near Blackshear rising or falling?

Down 0.20 ft over the last 24 hours. Down 0.36 ft over the last 7 days.

Is the level of Alabaha River at GA 203, near Blackshear normal?

Very high for mid-October. Compared with 17 years of daily readings for this time of year.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:02227270 (Agency page)
Coordinates
31.37558, -82.28864 (WGS84)
Vertical datum
NAVD88
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 8.29 ft 2026-10-19 18:30 Provisional
Flow 710 cfs 2026-10-19 18:30 Provisional

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How to cite

U.S. Geological Survey: Alabaha River at GA 203, near Blackshear (usgs:02227270). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/georgia/alabaha-river-at-ga-203-near-blackshear

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.