Nivelmap
EN

How to read levelsSources and methods

North America

Western Europe

Central Europe

Mediterranean

Nordic countries

Swan River at East Patchogue water level

River gauge, Swan River, New York, United States

Directions

Normal for mid-October

Water level

0.51ft Steady over the last 24 hours

Flow
12.0 cfs
-1 0 1 3

History

-01ftOct 16Oct 16Oct 17Oct 18Oct 19-01ftOct 16Oct 17Oct 19
Water level

What this means

The gauge at Swan River at East Patchogue reads 0.51 ft, a normal level for mid-October.

It has barely moved over the past 24 hours.

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

Compared with 5 years of daily readings for this time of year. How to read levels

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.

Weather at the gauge

Rain in the last 3 days: 0.16 in. Rain that falls upstream can take hours or days to show up at a river gauge.

19 Mon 58° 39° – Wind 12 mph
20 Tue 63° 49° – Wind 19 mph
21 Wed 57° 49° – Wind 14 mph
22 Thu 64° 48° – Wind 13 mph
23 Fri 58° 49° – Wind 13 mph
24 Sat 57° 45° – Wind 6 mph
25 Sun 61° 46° – Wind 8 mph

Forecast: Open-Meteo

Sunrise 07:08 AM Sunset 06:07 PM Daylight 10 hr, 59 min First quarter 61%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Carmans River at YaphankRiver gauge, Carmans River 12.5 cfs Very low −0.2 cfs 6 mi
Connetquot Brook near Central IslipRiver gauge, Connetquot Brook 23.0 cfs Normal ±0 9 mi
Sampawams Creek at BabylonRiver gauge, Sampawams Creek 7.3 cfs Normal +0.2 cfs 17 mi
Carlls River at BabylonRiver gauge, Carlls River 14.4 cfs Normal ±0 18 mi
Peconic River at RiverheadRiver gauge, Peconic River 20.3 cfs Normal −1.1 cfs 19 mi
Massapequa Creek at MassapequaRiver gauge, Massapequa Creek 2.3 cfs Low ±0 25 mi
Cold Spring Brook at Cold Spring HarborRiver gauge, Cold Spring Brook 1.3 cfs Low ±0 25 mi
Laurel Lake near MattituckLake, Laurel Lake 4.32 ft Very low −0.01 ft 27 mi

Questions and answers

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 Swan River at East Patchogue today?

On Oct 19, 2026, 02:15 PM EDT, the water level was 0.51 ft. Steady over the last 24 hours.

Is Swan River at East Patchogue rising or falling?

Steady over the last 24 hours.

Is the level of Swan River at East Patchogue normal?

Normal for mid-October. Compared with 5 years of daily readings for this time of year.

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:01305500 (Agency page)
Coordinates
40.76725, -72.99383 (WGS84)
Vertical datum
NGVD29
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 0.51 ft 2026-10-19 18:15 Provisional
Flow 12.0 cfs 2026-10-19 18:15 Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

How to cite

U.S. Geological Survey: Swan River at East Patchogue (usgs:01305500). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/new-york/swan-river-at-east-patchogue

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