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Hydrograph River at a Glance Download
Tolomato River above St. Augustine Airport (in MHHW) Stage (ft)Observed: -4.3 ft at 8:30AM May 31, 2020Observed: -2.65 ft at 8:36AM May 31, 2020Observed: -2.76 ft at 8:41AM May 31, 2020Observed: -2.85 ft at 8:46AM May 31, 2020Observed: -2.94 ft at 8:50AM May 31, 2020Observed: -3.03 ft at 8:55AM May 31, 2020Observed: -3.11 ft at 9:00AM May 31, 2020Observed: -3.2 ft at 9:04AM May 31, 2020Observed: -3.28 ft at 9:09AM May 31, 2020Observed: -3.36 ft at 9:14AM May 31, 2020Observed: -3.45 ft at 9:18AM May 31, 2020Observed: -3.54 ft at 9:23AM May 31, 2020Observed: -3.69 ft at 9:32AM May 31, 2020Observed: -3.77 ft at 9:37AM May 31, 2020Observed: -3.85 ft at 9:42AM May 31, 2020Observed: -3.92 ft at 9:46AM May 31, 2020Observed: -4.01 ft at 9:51AM May 31, 2020Observed: -4.25 ft at 10:05AM May 31, 2020Observed: -4.32 ft at 10:10AM May 31, 2020Observed: -4.39 ft at 10:14AM May 31, 2020Observed: -4.47 ft at 10:19AM May 31, 2020Observed: -4.53 ft at 10:24AM May 31, 2020Observed: -4.64 ft at 10:33AM May 31, 2020Observed: -4.7 ft at 10:38AM May 31, 2020Observed: -4.75 ft at 10:42AM May 31, 2020Observed: -4.8 ft at 10:47AM May 31, 2020Observed: -4.85 ft at 10:51AM May 31, 2020Observed: -4.88 ft at 10:56AM May 31, 2020Observed: -4.89 ft at 11:01AM May 31, 2020Observed: -4.91 ft at 11:06AM May 31, 2020Observed: -4.92 ft at 11:10AM May 31, 2020Observed: -4.91 ft at 11:15AM May 31, 2020Observed: -4.92 ft at 11:20AM May 31, 2020Observed: -4.9 ft at 11:24AM May 31, 2020Observed: -4.87 ft at 11:29AM May 31, 2020Observed: -4.82 ft at 11:34AM May 31, 2020Observed: -4.77 ft at 11:38AM May 31, 2020Observed: -4.71 ft at 11:43AM May 31, 2020Observed: -4.64 ft at 11:47AM May 31, 2020Observed: -4.59 ft at 11:52AM May 31, 2020Observed: -4.46 ft at 12:01PM May 31, 2020Observed: -4.39 ft at 12:07PM May 31, 2020Observed: -4.32 ft at 12:11PM May 31, 2020Observed: -4.25 ft at 12:16PM May 31, 2020Observed: -4.18 ft at 12:20PM May 31, 2020Observed: -4.11 ft at 12:25PM May 31, 2020Observed: -4.04 ft at 12:30PM May 31, 2020Observed: -3.96 ft at 12:34PM May 31, 2020Observed: -3.87 ft at 12:39PM May 31, 2020Observed: -3.8 ft at 12:44PM May 31, 2020Observed: -3.71 ft at 12:48PM May 31, 2020Observed: -3.63 ft at 12:53PM May 31, 2020Observed: -3.47 ft at 1:02PM May 31, 2020Observed: -3.39 ft at 1:07PM May 31, 2020Observed: -3.31 ft at 1:12PM May 31, 2020Observed: -3.24 ft at 1:17PM May 31, 2020Observed: -3.15 ft at 1:21PM May 31, 2020Observed: -3.08 ft at 1:26PM May 31, 2020Observed: -3 ft at 1:30PM May 31, 2020Observed: -2.93 ft at 1:35PM May 31, 2020Observed: -2.85 ft at 1:40PM May 31, 2020Observed: -2.77 ft at 1:44PM May 31, 2020Observed: -2.7 ft at 1:49PM May 31, 2020Observed: -2.62 ft at 1:54PM May 31, 2020Observed: -2.47 ft at 2:03PM May 31, 2020Observed: -2.38 ft at 2:08PM May 31, 2020Observed: -2.31 ft at 2:13PM May 31, 2020Observed: -2.22 ft at 2:17PM May 31, 2020Observed: -2.16 ft at 2:22PM May 31, 2020Observed: -2.09 ft at 2:27PM May 31, 2020Observed: -2.01 ft at 2:31PM May 31, 2020Observed: -1.93 ft at 2:36PM May 31, 2020Observed: -1.86 ft at 2:40PM May 31, 2020Observed: -1.78 ft at 2:45PM May 31, 2020Observed: -1.71 ft at 2:50PM May 31, 2020Observed: -1.63 ft at 2:54PM May 31, 2020Observed: -1.56 ft at 2:59PM May 31, 2020Observed: -1.49 ft at 3:04PM May 31, 2020Observed: -1.41 ft at 3:09PM May 31, 2020Observed: -1.34 ft at 3:13PM May 31, 2020Observed: -1.27 ft at 3:18PM May 31, 2020Observed: -1.2 ft at 3:23PM May 31, 2020Observed: -1.07 ft at 3:32PM May 31, 2020Observed: -1 ft at 3:37PM May 31, 2020Observed: -0.94 ft at 3:41PM May 31, 2020Observed: -0.88 ft at 3:46PM May 31, 2020Observed: -0.83 ft at 3:50PM May 31, 2020Observed: -0.77 ft at 3:55PM May 31, 2020Observed: -0.71 ft at 4:00PM May 31, 2020Observed: -0.65 ft at 4:05PM May 31, 2020Observed: -0.61 ft at 4:09PM May 31, 2020Observed: -0.56 ft at 4:14PM May 31, 2020Observed: -0.51 ft at 4:19PM May 31, 2020Observed: -0.46 ft at 4:23PM May 31, 2020Observed: -0.37 ft at 4:33PM May 31, 2020Observed: -0.33 ft at 4:37PM May 31, 2020Observed: -0.3 ft at 4:42PM May 31, 2020Observed: -0.26 ft at 4:46PM May 31, 2020Observed: -0.23 ft at 4:51PM May 31, 2020Observed: -0.2 ft at 4:56PM May 31, 2020Observed: -0.17 ft at 5:00PM May 31, 2020Observed: -0.13 ft at 5:06PM May 31, 2020Observed: -0.11 ft at 5:10PM May 31, 2020Observed: -0.09 ft at 5:15PM May 31, 2020Observed: -0.06 ft at 5:19PM May 31, 2020Observed: -0.04 ft at 5:24PM May 31, 2020Observed: -0.02 ft at 5:29PM May 31, 2020Observed: -0.01 ft at 5:33PM May 31, 2020Observed: 0 ft at 5:38PM May 31, 2020Observed: 0.01 ft at 5:43PM May 31, 2020Highest Observation: 0.02 ft at 5:47PM May 31, 2020Highest Observation: 0.02 ft at 5:52PM May 31, 2020Observed: 0.01 ft at 5:56PM May 31, 2020Observed: 0.01 ft at 6:01PM May 31, 2020Observed: -0.01 ft at 6:06PM May 31, 2020Observed: -0.02 ft at 6:11PM May 31, 2020Observed: -0.04 ft at 6:16PM May 31, 2020Observed: -0.07 ft at 6:20PM May 31, 2020Observed: -0.1 ft at 6:25PM May 31, 2020Observed: -0.14 ft at 6:29PM May 31, 2020Observed: -0.18 ft at 6:34PM May 31, 2020Observed: -0.23 ft at 6:39PM May 31, 2020Observed: -0.27 ft at 6:43PM May 31, 2020Observed: -0.32 ft at 6:48PM May 31, 2020Observed: -0.36 ft at 6:53PM May 31, 2020Observed: -0.47 ft at 7:02PM May 31, 2020Observed: -0.53 ft at 7:07PM May 31, 2020Observed: -0.59 ft at 7:12PM May 31, 2020Observed: -0.64 ft at 7:16PM May 31, 2020Observed: -0.7 ft at 7:21PM May 31, 2020Observed: -0.76 ft at 7:26PM May 31, 2020Observed: -0.82 ft at 7:30PM May 31, 2020Observed: -0.88 ft at 7:35PM May 31, 2020Observed: -0.94 ft at 7:39PM May 31, 2020Observed: -1 ft at 7:44PM May 31, 2020Observed: -1.06 ft at 7:49PM May 31, 2020Observed: -1.12 ft at 7:53PM May 31, 2020Observed: -1.25 ft at 8:03PM May 31, 2020Observed: -1.32 ft at 8:08PM May 31, 2020Observed: -1.39 ft at 8:12PM May 31, 2020Observed: -1.45 ft at 8:17PM May 31, 2020Observed: -1.52 ft at 8:22PM May 31, 2020Observed: -1.59 ft at 8:26PM May 31, 2020Observed: -1.66 ft at 8:31PM May 31, 2020Observed: -1.73 ft at 8:36PM May 31, 2020Observed: -1.79 ft at 8:40PM May 31, 2020Observed: -1.87 ft at 8:45PM May 31, 2020Observed: -1.93 ft at 8:49PM May 31, 2020Observed: -2.01 ft at 8:54PM May 31, 2020Observed: -2.08 ft at 8:59PM May 31, 2020Observed: -2.15 ft at 9:03PM May 31, 2020Observed: -2.25 ft at 9:09PM May 31, 2020Observed: -2.33 ft at 9:13PM May 31, 2020Observed: -2.4 ft at 9:18PM May 31, 2020Observed: -2.47 ft at 9:22PM May 31, 2020Observed: -2.61 ft at 9:32PM May 31, 2020Observed: -2.69 ft at 9:36PM May 31, 2020Observed: -2.77 ft at 9:41PM May 31, 2020Observed: -2.84 ft at 9:46PM May 31, 2020Observed: -2.91 ft at 9:50PM May 31, 2020Observed: -2.99 ft at 9:55PM May 31, 2020Observed: -3.06 ft at 10:00PM May 31, 2020Observed: -3.15 ft at 10:05PM May 31, 2020Observed: -3.21 ft at 10:09PM May 31, 2020Observed: -3.29 ft at 10:14PM May 31, 2020Observed: -3.36 ft at 10:19PM May 31, 2020Observed: -3.43 ft at 10:23PM May 31, 2020Observed: -3.57 ft at 10:32PM May 31, 2020Observed: -3.64 ft at 10:37PM May 31, 2020Observed: -3.71 ft at 10:44PM May 31, 2020Observed: -3.8 ft at 10:54PM May 31, 2020Florida DEPTOLF1(plotting HGIRG) Graph Created (1:08AM Jun 5, 2020)ObservedLatest observed value: -3.8 ft at 10:54 PM EDT 31-May-2020. Flood Stage is 1.2 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Water levels are referenced to the Mean Higher High Water (MHHW) Datum. This datum can be used to approximate sea water inundation of normally dry ground near the coast. For specific impacts, please refer to the statements on this page.

NOTE: Forecasts are not available for the Tolomato River above St. Augustine Airport (in MHHW). Only observed stages are available for this point.

Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 2.7
Moderate Flood Stage: 1.7
Flood Stage: 1.2
Action Stage: 0.7
Low Stage (in feet): -9999

Historic Crests
(1) 3.61 ft on 09/11/2017
(2) 3.58 ft on 10/07/2016
(3) 2.52 ft on 09/04/2019
(4) 2.06 ft on 09/10/2017
(5) 1.89 ft on 12/08/2014
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 1.62 ft on 02/21/2020
(2) 1.28 ft on 01/23/2020
(3) 1.31 ft on 01/22/2020
(4) 1.49 ft on 12/25/2019
(5) 1.48 ft on 11/14/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:14
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Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
About This Location Collapse

Latitude: 29.994722° N, Longitude: 81.329444° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 1.2 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 1.97 3 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Jacksonville Weather Forecast Office
13701 Fang Drive
Jacksonville, FL 32218
(904) 741-4370
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Page last modified: 1-Mar-2019 12:35 AM
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