River Conditions
Illustrated map of Rehoboth Bay

River stage

Matamoras/Port Jervis, Delaware River

River level
3.40 ft
Status
Below flood stage
7-day change
+1.00 ft
Recent high
6.22 ft
Recent low
2.40 ft

Last reported 2026-10-13 | NWS MTMP1

30-day change
+0.22 ft
Average
3.19 ft
Readings
122
Data span
122 days
Record crest
26.60 ft

In brief

The Delaware River at Matamoras/Port Jervis, PA read 3.40 ft on Oct 13, 2026, 12.60 ft below action stage. That is 0.22 ft higher than 30 days earlier.

Source: National Weather Service gauge MTMP1

Water 60 °F (16 °C) · 3 °F warmer than normal for this date · +1 °F in 24 hours

River level timeline

2.22.63.03.33.7SEP 13SEP 18SEP 23SEP 28OCT 03OCT 08OCT 13HIGH 3.55LOW 2.403.47 ftLAST READING

Stage threshold profile

Action stage 16.00 ftMinor flooding 18.00 ftModerate flooding 20.00 ftMajor flooding 21.50 ft CURRENT 3.40 ft

Highest crests on record

RankCrestDate
1 26.60 ft 1981-02-12
2 25.50 ft 1904-03-08
3 23.91 ft 1955-08-19
4 23.10 ft 1903-10-10
5 21.47 ft 2006-06-28
6 20.52 ft 2005-04-03
7 19.52 ft 2004-09-18
8 18.50 ft 1923-03-07

Flood crests recorded at this gauge by the National Weather Service.

What happens at each level

  1. 15.00 ft

    Access Road to Mashipacong Island begins to take on water.

  2. 16.00 ft

    Parts of Delaware Drive upstream of Matamoras begin to flood. Backwater starts to affect properties in Westfall Township along U.S. 6 from Delaware Valley High School to Home Depot.

  3. 18.00 ft

    Water begins to back up into the southwest side of Matamoras near Airport Park, 10th Street and Avenue S. The river may back up storm drains into portions of Port Jervis between Railroad Ave., and Water Street. The Neversink begins backing into neighborhoods when the Delaware reaches this stage.

  4. 19.00 ft

    Properties along Rose Lane in Matamoras are impacted by flood waters. Backwater flooding affects property and basements on Avenue R.

  5. 19.50 ft

    Inundation covers roads and parking lots near the Delaware Valley High School, Milford Senior Care facility, and the shopping plazas in Westfall Township. Several properties on the New Jersey side of the river begin to flood.

  6. 20.00 ft

    Flooding worsens from Cemetery Road and Rose Lane, to Avenue R and 10th Street in Matamoras. Inundation increases around the plazas along U.S. Route 6 in Westfall. Flooding at the confluence of the Neversink River increases.

  7. 20.50 ft

    This is the level of the significant April 2005 flood.

  8. 21.00 ft

    The river is bank full on the New York side. Riverside Park to West End Beach areas in Port Jervis will flood.

  9. 21.50 ft

    This is the crest of the June 2006 flood. Flooding is extensive in Westfall Township, portions of Matamoras and Montague Township. Serious backwater flooding occurs near the confluence of the Neversink River near Port Jervis.

  10. 22.00 ft

    Low points along flood walls and the river banks are reached in Matamoras which contributes to a considerable amount of inundation in town. Low areas of Port Jervis flood.

Written by the local National Weather Service forecast office for this exact gauge.

Frequently asked questions

Is the Delaware River flooding at Matamoras/Port Jervis?

No. The Delaware River at Matamoras/Port Jervis is at 3.4 ft, 12.6 ft below action stage.

What is the flood stage at Matamoras/Port Jervis?

The National Weather Service sets action stage 16 ft, minor flooding 18 ft, moderate flooding 20 ft and major flooding 21.5 ft.

What is the highest the Delaware River has been at Matamoras/Port Jervis?

The highest crest on record is 26.6 ft, on 1981-02-12.

Is the Delaware River high or low right now at Matamoras/Port Jervis?

At 3.4 ft it is higher than 74% of readings over the last 122 days.

How warm is the water at Matamoras/Port Jervis, Delaware River?

The water temperature at Matamoras/Port Jervis, Delaware River is 60 °F (15.5 °C), measured 7:30 pm by USGS, which is 3 °F warmer than normal for this date over the past ten years. It has risen 1.1 °F in the last 24 hours.

Stage and flood information from the NOAA National Weather Service (gauge MTMP1); daily history from the U.S. Geological Survey (site 01434000). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.