Delaware River at Del Mem Bridge at Wilmington water level

Name: Delaware River at Del Mem Bridge at Wilmington water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Tidal gauge, Delaware River, Delaware, United States

Directions

Latest reading

Flow

42,800cfs Up 4,100 cfs over the last 24 hours

Measured Oct 20, 2026, 03:12 AM EDT (5 hours ago)

Water temperature: 64 °F

History

7 days

Flow

What this means

The latest flow reported for Delaware River at Del Mem Bridge at Wilmington is 42,800 cfs. The agency publishes no normal range or warning level for this tidal gauge yet, so there is nothing to judge the number against.

The water is rising: up 4,100 cfs over the past 24 hours. Over the past 30 days it has moved between 92.7 cfs and 499,000 cfs.

The sensor also reports a water temperature of 64 °F.

The agency publishes no normal range for this gauge yet, so we show the trend only. How to read levels

Weather at the gauge

Rain in the last 3 days: 0.07 in. Rain that falls upstream can take hours or days to show up at a river gauge.

20 Tue 69° 46° – Wind 13 mph

21 Wed 62° 45° – Wind 14 mph

22 Thu 65° 44° – Wind 11 mph

23 Fri 60° 44° – Wind 10 mph

24 Sat 61° 42° – Wind 5 mph

25 Sun 64° 43° – Wind 7 mph

26 Mon 67° 46° – Wind 8 mph

Forecast: Open-Meteo

Sunrise 07:18 AM Sunset 06:17 PM Daylight 10 hr, 59 min First quarter 68%

Map

Other gauges on the Delaware River

Gauge	Level	Compared with normal	24 hours	Distance
Delaware River at Montague NJRiver gauge, Delaware River	5.50 ft	Below flood stage	−0.20 ft	118 mi
Delaware River near Delaware Water Gap PaRiver gauge, Delaware River	5.97 ft	Below flood stage	−0.18 ft	94 mi
Delaware River at Belvidere NJRiver gauge, Delaware River	4.29 ft	Below flood stage	−0.19 ft	82 mi
Delaware River at US Route 22 at Phillipsburg NJRiver gauge, Delaware River	2.24 ft	Below flood stage	−0.24 ft	71 mi
Delaware River at Riegelsville NJRiver gauge, Delaware River	3.78 ft	Below flood stage	−0.15 ft	65 mi
Delaware River at Frenchtown NJRiver gauge, Delaware River	2.28 ft	Below flood stage	−0.14 ft	63 mi
Delaware River at Stockton NJRiver gauge, Delaware River	1.14 ft	Below flood stage	−0.16 ft	57 mi
Delaware River at Lambertville NJRiver gauge, Delaware River	0.37 ft	Below flood stage	−0.20 ft	56 mi
Delaware River at Washington Crossing NJRiver gauge, Delaware River	−0.75 ft	Below flood stage	−0.15 ft	54 mi
Delaware River at Trenton NJRiver gauge, Delaware River	9.04 ft	Below flood stage	−0.05 ft	54 mi
Delaware River at Penn's Landing, PhiladelphiaRiver gauge, Delaware River	14.49 ft	No reference yet	+11.32 ft	27 mi
Delaware River at New CastleTidal gauge, Delaware River	2.84 ft	No reference yet	+1.15 ft	4.3 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Shellpot Creek at WilmingtonRiver gauge, Shellpot Creek	2.8 cfs	Normal	−0.3 cfs	5.0 mi
Brandywine Creek at WilmingtonRiver gauge, Brandywine Creek	18.70 ft	Below flood stage	±0	6 mi
Red Clay Creek near StantonRiver gauge, Red Clay Creek	7.78 ft	Below flood stage	±0	7 mi
Calf Run at MarshalltonRiver gauge, Calf Run	0.4 cfs	Very high	±0	7 mi
Red Clay Creek at WooddaleRiver gauge, Red Clay Creek	2.95 ft	Below flood stage	+0.02 ft	8 mi
White Clay Creek near NewarkRiver gauge, White Clay Creek	5.10 ft	Below flood stage	−0.05 ft	8 mi
Pike Creek near NewarkRiver gauge, Pike Creek	3.1 cfs	Normal	−0.4 cfs	9 mi
Salem River at Woodstown NJRiver gauge, Salem River	11.11 ft	Below flood stage	−0.01 ft	11 mi

Questions and answers

What is the water level of Delaware River at Del Mem Bridge at Wilmington today?

On Oct 20, 2026, 03:12 AM EDT, the flow was 42,800 cfs. Up 4,100 cfs over the last 24 hours.

Is Delaware River at Del Mem Bridge at Wilmington rising or falling?

Up 4,100 cfs over the last 24 hours.

Is the level of Delaware River at Del Mem Bridge at Wilmington normal?

The agency publishes no normal range for this gauge yet, so we show the trend only.

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.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:01482100 (Agency page)
Coordinates: 39.68928, -75.52159 (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
Flow	42,800 cfs	2026-10-20 07:12	Provisional
Water temperature	64 °F	2026-10-20 12:15	Provisional

Download

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How to cite

U.S. Geological Survey: Delaware River at Del Mem Bridge at Wilmington (usgs:01482100). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/delaware/delaware-river-at-del-mem-bridge-at-wilmington

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