Donna Bay at Highway 41 at Nokomis water level

Name: Donna Bay at Highway 41 at Nokomis water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Estuary gauge, Donna Bay, Florida, United States

Directions

Below flood stage

Water level

0.48ft Down 0.18 ft over the last 24 hours

Measured Oct 20, 2026, 06:00 AM EDT (1 hour ago)

Water temperature: 80 °F

History

7 days

Water level Minor flood stage

What this means

Water levels are unremarkable at Donna Bay at Highway 41 at Nokomis, where the gauge shows 0.48 ft.

It is 1.02 ft below the flood stage of 1.50 ft.

It is still going down, by 0.18 ft over the past 24 hours. The 30-day range is −1.18 ft – 1.37 ft.

The water temperature at the gauge is 80 °F.

Judged against the official flood stage for this gauge. How to read levels

What happens at each level

7.00 ft: U.S. 41 floods north of the Shakett Creek bridge. Flooding has expanded several blocks inland on the south side of the creek. Flooding Approaching Amaffle Rd on the north side.
4.00 ft: U.S. 41 flooded between Dona Bay and Roberts Bay. Nearly all homes west of the highway are flooded.
3.50 ft: Most homes along Dona Bay and Skaett Creek are flooded on the south side. Flooding conitnues expanding to impact more homes along the north side.
3.00 ft: Flooding expands east of the Legacy Trail, impacting any homes along Shakett Creek.
2.50 ft: Bayview Pkwy begins to flood and water surrounds homes. Water approaching hoems along Magnolia Ave. Ceil Dr begins to flood. Water approaches the Legacy Trail.
2.00 ft: Water begins to flood homes along Sunrise Dr. Docks along Bayview Pkwy and Magnolia Ave flodo with water in some backyards.
1.50 ft: Sunset Dr begins to flood. Water approaching homes on the south side of the street. Additional docks begin to flood along Sunrise Dr as water approaches homes.
1.00 ft: Water begins to overtop the seawall and docks along Sunset Dr.
0.48 ft: Right now

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

Weather at the gauge

Rain in the last 3 days: 0.08 in. Rain that falls upstream can take hours or days to show up at a river gauge.

20 Tue 80° 62° – Wind 12 mph

21 Wed 79° 60° – Wind 9 mph

22 Thu 82° 66° – Wind 12 mph

23 Fri 81° 62° – Wind 13 mph

24 Sat 84° 65° – Wind 18 mph

25 Sun 83° 70° – Wind 20 mph

26 Mon 83° 68° – Wind 18 mph

Forecast: Open-Meteo

Sunrise 07:33 AM Sunset 06:58 PM Daylight 11 hr, 25 min First quarter 68%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Curry Creek at Highway 41 at NokomisRiver gauge, Curry Creek	0.54 ft	Below flood stage	+0.04 ft	0.5 mi
Myakka River at Control near LaurelRiver gauge, Myakka River	9.13 ft	Very high	−0.20 ft	7 mi
Myakka River at North Port CharlotteRiver gauge, Myakka River	−0.46 ft	Below flood stage	−0.49 ft	11 mi
Myakka River near SR 72 near SarasotaRiver gauge, Myakka River	6.66 ft	High	−0.15 ft	12 mi
Big Slough at Wcs-101 at North PortRiver gauge, Big Slough	20.32 ft	Very high	−0.17 ft	14 mi
Cocoplum Waterway at North PortRiver gauge, Cocoplum Waterway	5.41 ft	Normal	−0.03 ft	14 mi
Big Slough at West Price Blvd near North PortRiver gauge, Big Slough	5.71 ft	Very high	−0.42 ft	15 mi
Big Slough at Tropicaire Blvd near North PortRiver gauge, Big Slough	18.33 ft	Very high	−0.34 ft	15 mi

Questions and answers

What is flood stage for the Donna Bay at Highway 41 at Nokomis?

The official flood stage is 1.50 ft. The level is currently 1.02 ft below it.

What is the water level of Donna Bay at Highway 41 at Nokomis today?

On Oct 20, 2026, 06:00 AM EDT, the water level was 0.48 ft. Down 0.18 ft over the last 24 hours.

Is Donna Bay at Highway 41 at Nokomis rising or falling?

Down 0.18 ft over the last 24 hours.

Is the level of Donna Bay at Highway 41 at Nokomis normal?

Below flood stage. Judged against the official flood stage for this gauge.

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:02299730 (Agency page)
Coordinates: 27.11850, -82.45143 (WGS84)
Vertical datum: NAVD88
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	0.48 ft	2026-10-20 10:00	Provisional
Water temperature	80 °F	2026-10-20 10:00	Provisional

Download

Embed this gauge

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

<iframe src="https://nivelmap.com/embed/13372?lang=en" width="360" height="230" style="border:0;max-width:100%" loading="lazy" title="Donna Bay at Highway 41 at Nokomis water level"></iframe>

How to cite

U.S. Geological Survey: Donna Bay at Highway 41 at Nokomis (usgs:02299730). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/florida/donna-bay-at-highway-41-at-nokomis

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