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Seminole Lake Outlet near Largo water level

River gauge, Seminole Lake Outlet, Florida, United States

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Right now

Normal for mid-October

Water level

4.91ft Steady over the last 24 hours

4.5 4.7 5.0 5.2

History

History
4.54.85.05.3ftOct 16Oct 17Oct 18Oct 19Oct 204.54.85.05.3ftOct 16Oct 18Oct 20
4.55.0ftSep 21Sep 28Oct 5Oct 13Oct 204.55.0ftSep 21Oct 5Oct 20
45ftOct 2025Jan 2026Apr 2026Jul 2026Oct 202645ftOct 2025Apr 2026Oct 2026
45ftJanMarMayJulSepNov202645ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %)

What this means

Seminole Lake Outlet near Largo is at 4.91 ft, in the normal range for mid-October.

That puts it 0.13 ft above the median of 4.78 ft for mid-October, based on 21 years of readings. A year ago it stood at 4.57 ft (+0.34 ft).

The level has held steady over the past 24 hours. In the last month it has stayed between 4.82 ft and 5.24 ft.

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

Compared with 21 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
4.78 ft0.13 ft above the median for this date
Normal for this date
4.44 ft – 5.23 ft8 years in 10 fall in this range (21 years of records)
Same day last year
4.57 ft+0.34 ft
Lowest and highest in 30 days
4.82 ft – 5.24 ft
Lowest and highest in 12 months
3.47 ft – 5.37 ft

Floating and fishing near Seminole Lake Outlet near Largo

Normal flows mean predictable rapids and good access at most put-ins.

Weather at the gauge

Rain in the last 3 days: 3.00 in. Rain that falls upstream can take hours or days to show up at a river gauge.

20 Tue 77° 61° – Wind 10 mph
21 Wed 77° 59° – Wind 17 mph
22 Thu 82° 68° – Wind 17 mph
23 Fri 82° 66° – Wind 21 mph
24 Sat 84° 68° – Wind 25 mph
25 Sun 84° 70° – Wind 23 mph
26 Mon 83° 69° – Wind 19 mph

Forecast: Open-Meteo

Sunrise 07:35 AM Sunset 06:58 PM Daylight 11 hr, 23 min First quarter 67%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
St Joe Creek at 62nd St near Pinellas ParkRiver gauge, St Joe Creek 4.15 ft Normal −0.02 ft 4.2 mi
Long Branch near Pinellas ParkRiver gauge, Long Branch 41.37 ft Very high −0.10 ft 6 mi
Rattlesnake Creek at BelleairRiver gauge, Rattlesnake Creek 11.01 ft Normal −0.05 ft 7 mi
Alligator Creek at Highway 19 at ClearwaterRiver gauge, Alligator Creek 8.26 ft Normal −0.05 ft 10 mi
Alligator Creek below Belcher Road at ClearwaterRiver gauge, Alligator Creek 1.45 ft Normal −0.02 ft 10 mi
Alligator Creek at Kapok Park at ClearwaterRiver gauge, Alligator Creek 5.05 ft Normal −0.05 ft 10 mi
Curlew Creek at Belcher Road near OzonaRiver gauge, Curlew Creek 0.94 ft Normal −0.04 ft 14 mi
Curlew Creek at County Road 1 near OzonaRiver gauge, Curlew Creek −1.28 ft Very low −0.07 ft 14 mi

Questions and answers

How does Seminole Lake Outlet near Largo compare with last year?

It is 0.34 ft higher than on the same day last year, when the reading was 4.57 ft.

What is a normal level for Seminole Lake Outlet near Largo in mid-October?

The median for mid-October is 4.78 ft. In 8 years out of 10 the reading falls between 4.44 ft and 5.23 ft, based on 21 years of records.

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 Seminole Lake Outlet near Largo today?

On Oct 20, 2026, 06:00 AM EDT, the water level was 4.91 ft. Steady over the last 24 hours.

Is Seminole Lake Outlet near Largo rising or falling?

Steady over the last 24 hours. Down 0.08 ft over the last 7 days.

Is the level of Seminole Lake Outlet near Largo normal?

Normal for mid-October. Compared with 21 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.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:02308889 (Agency page)
Coordinates
27.83919, -82.78038 (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 4.91 ft 2026-10-20 10:00 Provisional

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How to cite

U.S. Geological Survey: Seminole Lake Outlet near Largo (usgs:02308889). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/florida/seminole-lake-outlet-near-largo

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.