Gwynns Falls at Washington Blvd at Baltimore water level

Name: Gwynns Falls at Washington Blvd at Baltimore water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Gwynns Falls, Maryland, United States

Directions

Below flood stage

Water level

2.41ft Steady over the last 24 hours

Measured Oct 20, 2026, 11:20 AM EDT (1 hour ago)

Flow: 29.5 cfs

History

7 days

Water level Minor flood stage

What this means

The Gwynns Falls at Washington Blvd at Baltimore is at 2.41 ft, in the normal range.

It is 10.59 ft below the flood stage of 13.00 ft.

It has barely moved over the past 24 hours. In the last month it has stayed between 2.40 ft and 3.90 ft.

Fall is often low-water season on rivers, until steadier rain returns.

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

Key numbers

Highest on record: 20.03 ftAugust 26, 1999

Floating and fishing near Gwynns Falls at Washington Blvd at Baltimore

Normal flows mean predictable rapids and good access at most put-ins.

Flood stage here is 13.00 ft, 10.59 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

22.00 ft: Water covers the railroad bridge near the end of Brunswick Street, along with a portion of the Carroll Park Golf Course and much of the Gwynns Falls Trail.
20.00 ft: Both banks of the stream are overflowed.
13.00 ft: Water covers the bike path alongside the stream, and approaches the end of Berlin Street.
11.00 ft: A portion of Gwynns Falls Park begins to flood.
2.41 ft: Right now

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

Highest crests on record

Rank	Level	Date
1	20.03 ft	August 26, 1999
2	18.30 ft	July 22, 2018
3	17.97 ft	July 7, 2004
4	17.72 ft	July 31, 2016
5	17.09 ft	May 27, 2018
6	16.40 ft	September 7, 2011
7	15.74 ft	May 1, 2014
8	14.87 ft	June 25, 2006
9	14.25 ft	September 13, 2023
10	14.08 ft	September 1, 2018

Weather at the gauge

The forecast is not available right now.

Sunrise 07:22 AM Sunset 06:22 PM Daylight 11 hr Waxing gibbous 70%

Map

Other gauges on the Gwynns Falls

Gauge	Level	Compared with normal	24 hours	Distance
Gwynns Falls near DelightRiver gauge, Gwynns Falls	0.12 ft	Below flood stage	−0.02 ft	14 mi
Gwynns Falls at Villa NovaRiver gauge, Gwynns Falls	0.81 ft	Below flood stage	−0.01 ft	7 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
East Branch Herbert Run at ArbutusRiver gauge, East Branch Herbert Run	0.86 ft	Below flood stage	±0	3.1 mi
Dead Run at FranklintownRiver gauge, Dead Run	0.40 ft	Below flood stage	−0.01 ft	4.5 mi
Patapsco River near ElkridgeRiver gauge, Patapsco River	5.55 ft	Below flood stage	−0.01 ft	5.0 mi
Dead Run at WoodlawnRiver gauge, Dead Run	0.29 ft	Below flood stage	±0	5.2 mi
Dead Run near CatonsvilleRiver gauge, Dead Run	0.35 ft	Below flood stage	±0	5.3 mi
Dead Run Tributary at WoodlawnRiver gauge, Dead Run Tributary	2.78 ft	Below flood stage	+0.01 ft	5.6 mi
Herring Run at Sinclair Lane at BaltimoreRiver gauge, Herring Run	29.8 cfs	High	−0.7 cfs	6.0 mi
Patapsco River near CatonsvilleRiver gauge, Patapsco River	10.49 ft	Below flood stage	−0.03 ft	6 mi

Questions and answers

What is flood stage for the Gwynns Falls at Washington Blvd at Baltimore?

The official flood stage is 13.00 ft. The level is currently 10.59 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 Gwynns Falls at Washington Blvd at Baltimore today?

On Oct 20, 2026, 11:20 AM EDT, the water level was 2.41 ft. Steady over the last 24 hours.

Is Gwynns Falls at Washington Blvd at Baltimore rising or falling?

Steady over the last 24 hours.

Is the level of Gwynns Falls at Washington Blvd at Baltimore normal?

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

What is the highest water level ever recorded at Gwynns Falls at Washington Blvd at Baltimore?

The highest level on record is 20.03 ft on August 26, 1999.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:01589352 (Agency page)
Coordinates: 39.27206, -76.65008 (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

Parameter	Last value	Time (UTC)	Quality
Water level	2.41 ft	2026-10-20 15:20	Provisional
Flow	29.5 cfs	2026-10-20 15:20	Provisional

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How to cite

U.S. Geological Survey: Gwynns Falls at Washington Blvd at Baltimore (usgs:01589352). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/maryland/gwynns-falls-at-washington-blvd-at-baltimore

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