TornadoLiveMap

Peconic River at Riverhead (IN MLLW) — water level right now

Suffolk County, New York · NWS gauge PRIN6
Loading the latest reading…
–
current stage (ft)
 
5.7
minor flood stage
 
10.12
record crest
set 2012-10-29
–
flood status
official NWS category
Official NOAA forecast → USGS data → Full US flood map →

Flood stages at this gauge

Where the water stands right now against the four official thresholds:

action · 5.2
minor · 5.7
moderate · 6.4
major · 7.2
Flood stageLevel (ft)What it means
Major flood stage7.2extensive inundation and significant evacuations — a serious event
Moderate flood stage6.4some buildings and roads inundated; evacuations possible
Minor flood stage5.7low-lying roads and fields near the river start to flood
Action stage5.2water is approaching flood level — time to pay attention

Highest floods on record here

#Crest (ft)Datevs. minor flood stage
110.122012-10-29+4.42 above
27.352011-08-28+1.65 above
35.672007-04-160.03 below
45.532009-10-180.17 below
55.472011-04-160.23 below
65.452008-12-120.25 below
75.422006-12-010.28 below
85.412007-04-150.29 below
95.412009-10-170.29 below
105.382005-10-250.32 below

Historic crests recorded at this gauge by the National Weather Service — the 12 highest on file.

Where this gauge is

The marker is this gauge; nearby gauges load live and are clickable.

Nearby river gauges

Shinnecock Bay at Ponquogue (IN MLLW) 8 mi away · loading… Moriches Bay at Moriches Bay (IN MLLW) 11 mi away · loading… Orient Harbor at Orient (IN MLLW) 23 mi away · loading… Great South Bay at Watch Hill (IN MLLW) 24 mi away · loading… Flax Pond at Old Field (IN MLLW) 26 mi away · loading… Fort Pond Bay at Montauk (IN MLLW) 37 mi away · loading…

Gauge details

NWS gauge IDPRIN6
USGS site01304562
CountySuffolk
StateNew York
NWS forecast officeUpton
River forecast centerNortheast River Forecast Center
Coordinates40.918, -72.639
Time zoneEST5EDT
Turn Around, Don't Drown. Six inches of moving water can knock you off your feet and twelve inches can float a car. Never drive around barricades or into water of unknown depth — most flood deaths happen in vehicles.

Questions about Peconic River at Riverhead (IN MLLW)

Is Peconic River at Riverhead (IN MLLW) flooding right now?

The live reading at the top of this page answers that: the gauge is compared against its official NWS flood stages every 15 minutes. Minor flooding at this gauge begins at 5.7 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Peconic River at Riverhead (IN MLLW)?

major flood stage 7.2 ft, moderate flood stage 6.4 ft, minor flood stage 5.7 ft, action stage 5.2 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

What is the record flood at Peconic River at Riverhead (IN MLLW)?

The highest crest on file at this gauge is 10.12 ft, reached on 2012-10-29 — that is 4.42 ft above minor flood stage. The full list of the highest crests is in the table on this page.

Where does this data come from?

From the NOAA National Water Prediction Service, the official U.S. river gauge network — a U.S. government work in the public domain. Live stage is refreshed every 15 minutes; flood thresholds and historic crests are refreshed monthly. For life-safety decisions follow NWS Upton and local emergency management.