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Susquehanna River at Harrisburg water level

River gauge, Susquehanna River, Pennsylvania, United States

Directions

Below flood stage

Water level

3.91ft Down 0.05 ft over the last 24 hours

Flow
14,400 cfs
Water temperature
60 °F
10 20 30 Highest onrecord 33.27 ft Minor floodstage 17.00 ft

History

3.84.04.2ftOct 16Oct 18Oct 20Oct 21Oct 233.84.04.2ftOct 16Oct 20Oct 23
Water level Forecast Minor flood stage

The forecast expects the river to fall to 3.80 ft by Thursday, October 22 at 08:00 PM. Issued Tuesday, October 20 at 10:41 AM by NOAA National Weather Service.

What this means

The gauge at Susquehanna River at Harrisburg reads 3.91 ft, a normal level.

It is 13.09 ft below the flood stage of 17.00 ft.

The level is falling, down 0.05 ft over the past 24 hours. The forecast expects the river to fall to 3.80 ft by Thursday, October 22 at 08:00 PM. Over the past 30 days it has moved between 3.91 ft and 4.33 ft.

The water temperature at the gauge is 60 °F.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record
33.27 ftJune 24, 1972
Forecast peak
3.90 ftTuesday, October 20 at 02:00 PM

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

The National Weather Service puts flood stage for this gauge at 17.00 ft, still 13.09 ft away.

What happens at each level

37.00 ft
FEMA 0.2% Annual Chance Flood Level (500 year flood).
35.00 ft
Flood waters begin to reach the Harvey Taylor Bridge.
33.30 ft
Flood of record from Hurricane Agnes in 1972.
32.00 ft
Widespread flooding occurs on both banks. The square and central business district in Harrisburg begin to be affected.
30.00 ft
Widespread flooding occurs on both banks.
29.00 ft
FEMA 1% Annual Chance Flood Level (100-year flood). Flood waters begin to reach the Market Street Bridge.
28.00 ft
Widespread flooding occurs in the residential sections of Front and Second Streets and in the Shipoke area of Harrisburg. Flooding reaches Italian Lake Park in Harrisburg.
26.00 ft
FEMA 2% Annual Chance Flood Level (50-year flood). Flood waters begin to reach the Walnut Street Bridge. Green and Vaughn Streets flood.
24.00 ft
The residential section of Front and Second Streets in Harrisburg flood at this level. Cameron Street in Harrisburg floods due to backwater from Paxton Creek.
23.00 ft
Evacuations are necessary in the Shipoke area of Harrisburg. Listen to local emergency officials for specific details. The water level reaches the corner of Kelker and Front Streets. Delaware Street, Geiger Street and Maclay Streets may also be impacted.
22.50 ft
US 22/322 in the vicinity of the Dauphin Narrows is impacted by flood waters.
21.00 ft
Homes on both banks are affected by high water. This is the approximate level of Routes 11 and 15, upstream of the Market Street Bridge. Flood waters begin to reach South Main Street in Marysville.
3.91 ft
Right now

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

Highest crests on record

Chance of at least minor flooding in October to December: 9 %.

RankLevelDate
133.27 ftJune 24, 1972
229.23 ftMarch 19, 1936
326.80 ftJune 2, 1889
425.70 ftMay 22, 1894
525.17 ftSeptember 9, 2011
625.08 ftJanuary 20, 1996
724.66 ftJanuary 21, 1996
824.40 ftSeptember 19, 2004
923.81 ftSeptember 27, 1975
1021.80 ftMay 29, 1946

Weather at the gauge

No rain in the last 3 days.

20 Tue 67° 41° – Wind 9 mph
21 Wed 63° 39° – Wind 8 mph
22 Thu 65° 41° – Wind 11 mph
23 Fri 60° 43° – Wind 7 mph
24 Sat 60° 37° – Wind 6 mph
25 Sun 65° 40° – Wind 5 mph
26 Mon 68° 46° – Wind 5 mph

Forecast: Open-Meteo

Sunrise 07:24 AM Sunset 06:22 PM Daylight 10 hr, 58 min Waxing gibbous 71%

Map

Other gauges on the Susquehanna River

Gauge Level Compared with normal 24 hours Distance
Susquehanna River at VestalRiver gauge, Susquehanna River 3.59 ft Below flood stage −0.15 ft 134 mi
Susquehanna River at OwegoRiver gauge, Susquehanna River 14.10 ft Below flood stage −0.06 ft 131 mi
Susquehanna River near WaverlyRiver gauge, Susquehanna River 1.97 ft Below flood stage −0.08 ft 121 mi
Susquehanna River at TowandaRiver gauge, Susquehanna River 0.81 ft Below flood stage −0.05 ft 107 mi
Susquehanna River at MeshoppenRiver gauge, Susquehanna River 8.35 ft Below flood stage −0.04 ft 103 mi
Susquehanna River at Wilkes-BarreRiver gauge, Susquehanna River 1.55 ft Below flood stage −0.04 ft 87 mi
Susquehanna River at BloomsburgRiver gauge, Susquehanna River 1.98 ft Below flood stage −0.03 ft 56 mi
Susquehanna River at DanvilleRiver gauge, Susquehanna River 3.49 ft Below flood stage −0.03 ft 51 mi
Susquehanna River above Dam at SunburyRiver gauge, Susquehanna River 3.07 ft Normal ±0 42 mi
Susquehanna River at SunburyRiver gauge, Susquehanna River 7.64 ft Normal −0.01 ft 40 mi
Susquehanna River at MariettaRiver gauge, Susquehanna River 34.57 ft Below flood stage −0.38 ft 23 mi
Susquehanna River at ConowingoRiver gauge, Susquehanna River 12.32 ft Below flood stage −0.10 ft 56 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Yellow Breeches Creek near Camp HillRiver gauge, Yellow Breeches Creek 1.24 ft Below flood stage −0.02 ft 2.2 mi
Paxton Creek near GlenwoodRiver gauge, Paxton Creek 9.8 cfs Normal −1.5 cfs 3.9 mi
Conodoguinet Creek near HogestownRiver gauge, Conodoguinet Creek 1.79 ft Below flood stage −0.07 ft 7 mi
Swatara Creek at MiddletownRiver gauge, Swatara Creek 2.55 ft Below flood stage −0.12 ft 9 mi
Fishing Creek at GoldsboroRiver gauge, Fishing Creek 12.4 cfs High ±0 10 mi
Swatara Creek near HersheyRiver gauge, Swatara Creek 1.97 ft Below flood stage −0.06 ft 12 mi
Conewago Creek near FalmouthRiver gauge, Conewago Creek 17.8 cfs Normal −2.1 cfs 13 mi
West Conewago Creek near ManchesterRiver gauge, West Conewago Creek 165 cfs Normal −29.0 cfs 15 mi

Questions and answers

What is flood stage for the Susquehanna River at Harrisburg?

The official flood stage is 17.00 ft. The level is currently 13.09 ft below it.

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 Susquehanna River at Harrisburg today?

On Oct 20, 2026, 03:00 PM EDT, the water level was 3.91 ft. Down 0.05 ft over the last 24 hours.

Is Susquehanna River at Harrisburg rising or falling?

Down 0.05 ft over the last 24 hours.

Is the level of Susquehanna River at Harrisburg normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Susquehanna River at Harrisburg?

The highest level on record is 33.27 ft on June 24, 1972.

Is Susquehanna River at Harrisburg expected to rise?

The forecast expects the river to fall to 3.80 ft by Thursday, October 22 at 08:00 PM.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:01570500 (Agency page)
Coordinates
40.25474, -76.88605 (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 3.91 ft 2026-10-20 19:00 Provisional
Flow 14,400 cfs 2026-10-20 19:00 Provisional
Water temperature 60 °F 2026-10-20 20:00 Provisional

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How to cite

U.S. Geological Survey: Susquehanna River at Harrisburg (usgs:01570500). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/pennsylvania/susquehanna-river-at-harrisburg

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.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer