St. Marks River near Newport water level

Name: St. Marks River near Newport water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, St. Marks River, Florida, United States

Directions

Very high for mid-October

Water level

6.72ft Down 0.06 ft over the last 24 hours

Measured Oct 18, 2026, 04:00 PM EDT (48 min ago)

Flow: 603 cfs

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %) Minor flood stage

What this means

The St. Marks River near Newport is well above normal at 6.72 ft.

The median for mid-October is 5.48 ft, based on 67 years of readings, so the river stage is 1.24 ft above typical. It is 1.28 ft below the flood stage of 8.00 ft. On the same day last year the reading was 6.33 ft, a difference of +0.39 ft.

It has dropped 0.06 ft over the past 24 hours. In the last month it has stayed between 6.36 ft and 7.58 ft.

That stands out in fall, when many rivers are usually near their lowest.

Compared with 67 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 5.48 ft1.24 ft above the median for this date
Normal for this date: 4.84 ft – 6.35 ft8 years in 10 fall in this range (67 years of records)
Same day last year: 6.33 ft+0.39 ft
Lowest and highest in 30 days: 6.36 ft – 7.58 ft
Lowest and highest in 12 months: 6.11 ft – 7.58 ft
Highest on record: 13.88 ftAugust 25, 2008

Flood levels and safety

Most flood deaths in the US happen in vehicles. Six inches of fast water can knock an adult off their feet, and a foot or two can float a car. If a road is covered, turn around.

Readings can change quickly after heavy rain upstream, so check again before heading near the water.

What happens at each level

14.00 ft: Extensive flooding of the area occurs with water entering several elevated structures on Old Magnolia Road in Wakulla County.
13.50 ft: In Leon County, water reaches the base of the road bridge on Natural Bridge Road.
13.00 ft: Water begins to flood some elevated structures along the St Marks River along Old Magnolia Road in Wakulla County.
11.50 ft: Natural Bridge Road is impassable above this level in Leon County.
11.00 ft: Water begins to flood Old Magnolia Road in several spots restricting access into the area in Wakulla County.
10.25 ft: Natural Bridge Road begins to flood west of the road bridge in Leon County.
10.00 ft: Flooding increases around homes on the east side of Old Magnolia Road in Wakulla County. Access to some of these homes may be restricted above this level.
9.00 ft: Several structures on Old Magnolia Road are surrounded by water up to 1 foot deep in Wakulla County.
8.50 ft: Water approaches the steps to an elevated residence on Old Magnolia Road in Wakulla County. Other elevated structures begin to be surrounded by water. Portions of the Natural Bridge State Park near the river begin to flood in Leon County.
8.00 ft: Water begins to flood yards of some residences of homes near Old Magnolia Road in Wakulla County.
7.00 ft: Water begins to flood docks on the St Marks River behind houses on Old Magnolia Road in Wakulla County.
6.72 ft: Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Chance of at least minor flooding in October to December: < 5 %.

Rank	Level	Date
1	13.88 ft	August 25, 2008
2	11.81 ft	April 7, 1973
3	11.18 ft	March 5, 1991
4	10.26 ft	April 10, 1984
5	10.01 ft	September 18, 1957
6	9.45 ft	April 4, 2009
7	9.40 ft	April 4, 2016
8	9.34 ft	October 1, 1958
9	9.19 ft	July 4, 2013
10	8.96 ft	May 2, 2014

Weather at the gauge

No rain in the last 3 days.

18 Sun 68° 51° – Wind 14 mph

19 Mon 73° 52° – Wind 12 mph

20 Tue 76° 50° – Wind 7 mph

21 Wed 78° 53° – Wind 6 mph

22 Thu 79° 54° – Wind 5 mph

23 Fri 79° 55° – Wind 7 mph

24 Sat 78° 56° – Wind 10 mph

Forecast: Open-Meteo

Sunrise 07:41 AM Sunset 07:04 PM Daylight 11 hr, 22 min First quarter 52%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Wakulla River near CrawfordvilleRiver gauge, Wakulla River	3.94 ft	High	−0.25 ft	8 mi
Wakulla Spring near CrawfordvilleRiver gauge, Wakulla Spring	5.55 ft	Very high	−0.18 ft	9 mi
Wacissa River at Thomas Spring near WacissaRiver gauge, Wacissa River	29.54 ft	Very low	−0.01 ft	10 mi
Aucilla River near Mouth near Nutall RiseEstuary gauge, Aucilla River	2.75 ft	Very low	−0.59 ft	15 mi
Spring Creek near Spring CreekTidal gauge, Spring Creek	−1.80 ft	Very low	−0.57 ft	17 mi
Econfina River at Econfina River State Park near PerryTidal gauge, Econfina River	0.09 ft	Very low	−0.06 ft	20 mi
Econfina River near PerryRiver gauge, Econfina River	5.05 ft	High	−0.10 ft	21 mi
Aucilla River at LamontRiver gauge, Aucilla River	46.90 ft	High	−0.11 ft	21 mi

Questions and answers

Is the St. Marks River near Newport higher than last year?

Yes, it is 0.39 ft higher than on the same day last year, when the reading was 6.33 ft.

What is flood stage for the St. Marks River near Newport?

The official flood stage is 8.00 ft. The level is currently 1.28 ft below it.

What is a normal level for the St. Marks River near Newport in mid-October?

The median for mid-October is 5.48 ft. In 8 years out of 10 the reading falls between 4.84 ft and 6.35 ft, based on 67 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 St. Marks River near Newport today?

On Oct 18, 2026, 04:00 PM EDT, the water level was 6.72 ft. Down 0.06 ft over the last 24 hours.

Is St. Marks River near Newport rising or falling?

Down 0.06 ft over the last 24 hours. Down 0.84 ft over the last 7 days.

Is the level of St. Marks River near Newport normal?

Very high for mid-October. Compared with 67 years of daily readings for this time of year.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:02326900 (Agency page)
Coordinates: 30.27143, -84.14825 (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

Parameter	Last value	Time (UTC)	Quality
Water level	6.72 ft	2026-10-18 20:00	Provisional
Flow	603 cfs	2026-10-18 20:00	Provisional

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How to cite

U.S. Geological Survey: St. Marks River near Newport (usgs:02326900). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/florida/st-marks-river-near-newport

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