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Severn River at Annapolis (IN MLLW) — water level right now

Anne Arundel County, Maryland · NWS gauge APAM2
Loading the latest reading…
–
current stage (ft)
 
2.6
minor flood stage
 
7.16
record crest
set 2003-09-19
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flood status
official NWS category
Official NOAA forecast → Full US flood map →

Flood stages at this gauge

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

action · 2
minor · 2.6
moderate · 3.3
major · 5
Flood stageLevel (ft)What it means
Major flood stage5extensive inundation and significant evacuations — a serious event
Moderate flood stage3.3some buildings and roads inundated; evacuations possible
Minor flood stage2.6low-lying roads and fields near the river start to flood
Action stage2water is approaching flood level — time to pay attention

Highest floods on record here

#Crest (ft)Datevs. minor flood stage
17.162003-09-19+4.56 above
26.171933-08-23+3.57 above
35.12024-01-10+2.5 above
44.981955-08-13+2.38 above
54.92021-10-30+2.3 above
64.841996-09-07+2.24 above
74.781954-10-15+2.18 above
84.561979-09-06+1.96 above
94.561985-11-04+1.96 above
104.271962-03-08+1.67 above
114.272025-10-30+1.67 above
124.242010-10-01+1.64 above

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

Patuxent River near Bowie 12 mi away · loading… Collington Branch at Mitchellville 15 mi away · loading… Eastern Bay at Claiborne (IN MLLW) 15 mi away · loading… Sawmill Creek at Glen Burnie 15 mi away · loading… Collington Branch near Upper Marlboro / Leeland Road 16 mi away · loading… Western Branch at Upper Marlboro / Marlboro Country Club 18 mi away · loading…

Gauge details

NWS gauge IDAPAM2
CountyAnne Arundel
StateMaryland
NWS forecast officeSterling
River forecast centerMiddle Atlantic River Forecast Center
Coordinates38.983, -76.48
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 Severn River at Annapolis (IN MLLW)

Is Severn River at Annapolis (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 2.6 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Severn River at Annapolis (IN MLLW)?

major flood stage 5 ft, moderate flood stage 3.3 ft, minor flood stage 2.6 ft, action stage 2 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

What is the record flood at Severn River at Annapolis (IN MLLW)?

The highest crest on file at this gauge is 7.16 ft, reached on 2003-09-19 — that is 4.56 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 Sterling and local emergency management.