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Hydrograph River at a Glance Download
Gulf of Mexico Tide Gauge at North Port Charlotte (In MHHW) Stage (ft)Observed: -0.44 ft at 8:15AM May 12, 2021Observed: -0.49 ft at 8:30AM May 12, 2021Observed: -0.55 ft at 8:45AM May 12, 2021Observed: -0.61 ft at 9:00AM May 12, 2021Observed: -0.65 ft at 9:15AM May 12, 2021Observed: -0.69 ft at 9:30AM May 12, 2021Observed: -0.73 ft at 9:45AM May 12, 2021Observed: -0.76 ft at 10:00AM May 12, 2021Observed: -0.78 ft at 10:15AM May 12, 2021Observed: -0.8 ft at 10:30AM May 12, 2021Observed: -0.81 ft at 10:45AM May 12, 2021Observed: -0.81 ft at 11:00AM May 12, 2021Observed: -0.79 ft at 11:15AM May 12, 2021Observed: -0.75 ft at 11:30AM May 12, 2021Observed: -0.71 ft at 11:45AM May 12, 2021Observed: -0.64 ft at 12:00PM May 12, 2021Observed: -0.55 ft at 12:15PM May 12, 2021Observed: -0.48 ft at 12:30PM May 12, 2021Observed: -0.42 ft at 12:45PM May 12, 2021Observed: -0.34 ft at 1:00PM May 12, 2021Observed: -0.27 ft at 1:15PM May 12, 2021Observed: -0.2 ft at 1:30PM May 12, 2021Observed: -0.14 ft at 1:45PM May 12, 2021Observed: -0.08 ft at 2:00PM May 12, 2021Observed: -0.03 ft at 2:15PM May 12, 2021Observed: 0.04 ft at 2:30PM May 12, 2021Observed: 0.09 ft at 2:45PM May 12, 2021Observed: 0.12 ft at 3:00PM May 12, 2021Observed: 0.16 ft at 3:15PM May 12, 2021Observed: 0.22 ft at 3:30PM May 12, 2021Observed: 0.26 ft at 3:45PM May 12, 2021Observed: 0.3 ft at 4:00PM May 12, 2021Observed: 0.33 ft at 4:15PM May 12, 2021Observed: 0.36 ft at 4:30PM May 12, 2021Observed: 0.38 ft at 4:45PM May 12, 2021Highest Observation: 0.39 ft at 5:00PM May 12, 2021Highest Observation: 0.39 ft at 5:15PM May 12, 2021Observed: 0.35 ft at 5:30PM May 12, 2021Observed: 0.29 ft at 5:45PM May 12, 2021Observed: 0.21 ft at 6:00PM May 12, 2021Observed: 0.12 ft at 6:15PM May 12, 2021Observed: 0.04 ft at 6:30PM May 12, 2021Observed: -0.04 ft at 6:45PM May 12, 2021Observed: -0.14 ft at 7:00PM May 12, 2021Observed: -0.22 ft at 7:15PM May 12, 2021Observed: -0.31 ft at 7:30PM May 12, 2021Observed: -0.4 ft at 7:45PM May 12, 2021Observed: -0.47 ft at 8:00PM May 12, 2021Observed: -0.55 ft at 8:15PM May 12, 2021Observed: -0.63 ft at 8:30PM May 12, 2021Observed: -0.71 ft at 8:45PM May 12, 2021Observed: -0.78 ft at 9:00PM May 12, 2021Observed: -0.85 ft at 9:15PM May 12, 2021Observed: -0.93 ft at 9:30PM May 12, 2021Observed: -1.01 ft at 9:45PM May 12, 2021Observed: -1.07 ft at 10:00PM May 12, 2021Observed: -1.14 ft at 10:15PM May 12, 2021Observed: -1.21 ft at 10:30PM May 12, 2021Observed: -1.28 ft at 10:45PM May 12, 2021Observed: -1.35 ft at 11:00PM May 12, 2021Observed: -1.4 ft at 11:15PM May 12, 2021Observed: -1.46 ft at 11:30PM May 12, 2021Observed: -1.51 ft at 11:45PM May 12, 2021Observed: -1.57 ft at 12:00AM May 13, 2021Observed: -1.63 ft at 12:15AM May 13, 2021Observed: -1.68 ft at 12:30AM May 13, 2021Observed: -1.73 ft at 12:45AM May 13, 2021Observed: -1.77 ft at 1:00AM May 13, 2021Observed: -1.82 ft at 1:15AM May 13, 2021Observed: -1.87 ft at 1:30AM May 13, 2021Observed: -1.91 ft at 1:45AM May 13, 2021Observed: -1.92 ft at 2:00AM May 13, 2021Observed: -1.88 ft at 2:15AM May 13, 2021Observed: -1.78 ft at 2:30AM May 13, 2021Observed: -1.7 ft at 2:45AM May 13, 2021Observed: -1.62 ft at 3:00AM May 13, 2021Observed: -1.54 ft at 3:15AM May 13, 2021Observed: -1.48 ft at 3:30AM May 13, 2021Observed: -1.41 ft at 3:45AM May 13, 2021Observed: -1.35 ft at 4:00AM May 13, 2021Observed: -1.29 ft at 4:15AM May 13, 2021Observed: -1.23 ft at 4:30AM May 13, 2021Observed: -1.15 ft at 4:45AM May 13, 2021Observed: -1.08 ft at 5:00AM May 13, 2021Observed: -1.02 ft at 5:15AM May 13, 2021Observed: -0.95 ft at 5:30AM May 13, 2021Observed: -0.88 ft at 5:45AM May 13, 2021Observed: -0.83 ft at 6:00AM May 13, 2021Observed: -0.77 ft at 6:15AM May 13, 2021Observed: -0.73 ft at 6:30AM May 13, 2021Observed: -0.69 ft at 6:45AM May 13, 2021Observed: -0.66 ft at 7:00AM May 13, 2021Observed: -0.63 ft at 7:15AM May 13, 2021Observed: -0.63 ft at 7:30AM May 13, 2021Observed: -0.65 ft at 7:45AM May 13, 2021Observed: -0.68 ft at 8:00AM May 13, 2021Observed: -0.72 ft at 8:15AM May 13, 2021Observed: -0.77 ft at 8:30AM May 13, 2021Observed: -0.82 ft at 8:45AM May 13, 2021Observed: -0.86 ft at 9:00AM May 13, 2021Observed: -0.92 ft at 9:15AM May 13, 2021Observed: -0.96 ft at 9:30AM May 13, 2021Observed: -0.99 ft at 9:45AM May 13, 2021Observed: -1.03 ft at 10:00AM May 13, 2021Observed: -1.07 ft at 10:15AM May 13, 2021Observed: -1.1 ft at 10:30AM May 13, 2021Observed: -1.13 ft at 10:45AM May 13, 2021Observed: -1.15 ft at 11:00AM May 13, 2021Observed: -1.17 ft at 11:15AM May 13, 2021Observed: -1.17 ft at 11:30AM May 13, 2021Observed: -1.14 ft at 11:45AM May 13, 2021Observed: -1.1 ft at 12:00PM May 13, 2021Observed: -1.04 ft at 12:15PM May 13, 2021Observed: -0.97 ft at 12:30PM May 13, 2021Observed: -0.89 ft at 12:45PM May 13, 2021Observed: -0.82 ft at 1:00PM May 13, 2021Observed: -0.75 ft at 1:15PM May 13, 2021Observed: -0.69 ft at 1:30PM May 13, 2021Observed: -0.62 ft at 1:45PM May 13, 2021Observed: -0.55 ft at 2:00PM May 13, 2021Observed: -0.48 ft at 2:15PM May 13, 2021Observed: -0.43 ft at 2:30PM May 13, 2021Observed: -0.36 ft at 2:45PM May 13, 2021Observed: -0.29 ft at 3:00PM May 13, 2021Observed: -0.23 ft at 3:15PM May 13, 2021Observed: -0.18 ft at 3:30PM May 13, 2021Observed: -0.13 ft at 3:45PM May 13, 2021Observed: -0.09 ft at 4:00PM May 13, 2021Observed: -0.06 ft at 4:15PM May 13, 2021Observed: -0.01 ft at 4:30PM May 13, 2021Observed: 0.03 ft at 4:45PM May 13, 2021Observed: 0.06 ft at 5:00PM May 13, 2021Observed: 0.08 ft at 5:15PM May 13, 2021Observed: 0.08 ft at 5:30PM May 13, 2021Observed: 0.07 ft at 5:45PM May 13, 2021Observed: 0.02 ft at 6:00PM May 13, 2021Observed: -0.06 ft at 6:15PM May 13, 2021Observed: -0.13 ft at 6:30PM May 13, 2021Observed: -0.21 ft at 6:45PM May 13, 2021Observed: -0.31 ft at 7:00PM May 13, 2021Observed: -0.39 ft at 7:15PM May 13, 2021Observed: -0.46 ft at 7:30PM May 13, 2021Observed: -0.54 ft at 7:45PM May 13, 2021Observed: -0.62 ft at 8:00PM May 13, 2021Observed: -0.7 ft at 8:15PM May 13, 2021Observed: -0.76 ft at 8:30PM May 13, 2021Observed: -0.83 ft at 8:45PM May 13, 2021Observed: -0.91 ft at 9:00PM May 13, 2021Observed: -0.98 ft at 9:15PM May 13, 2021Observed: -1.04 ft at 9:30PM May 13, 2021Observed: -1.12 ft at 9:45PM May 13, 2021Observed: -1.17 ft at 10:00PM May 13, 2021Observed: -1.23 ft at 10:15PM May 13, 2021Observed: -1.3 ft at 10:30PM May 13, 2021Observed: -1.36 ft at 10:45PM May 13, 2021Observed: -1.41 ft at 11:00PM May 13, 2021Observed: -1.47 ft at 11:15PM May 13, 2021Observed: -1.53 ft at 11:30PM May 13, 2021Observed: -1.58 ft at 11:45PM May 13, 2021Observed: -1.63 ft at 12:00AM May 14, 2021Observed: -1.69 ft at 12:15AM May 14, 2021Observed: -1.74 ft at 12:30AM May 14, 2021Observed: -1.79 ft at 12:45AM May 14, 2021Observed: -1.84 ft at 1:00AM May 14, 2021Observed: -1.9 ft at 1:15AM May 14, 2021Observed: -1.95 ft at 1:30AM May 14, 2021Observed: -1.99 ft at 1:45AM May 14, 2021Observed: -2.03 ft at 2:00AM May 14, 2021Observed: -2.08 ft at 2:15AM May 14, 2021Observed: -2.13 ft at 2:30AM May 14, 2021Observed: -2.16 ft at 2:45AM May 14, 2021Observed: -2.19 ft at 3:00AM May 14, 2021Observed: -2.19 ft at 3:15AM May 14, 2021Observed: -2.13 ft at 3:30AM May 14, 2021Observed: -2.05 ft at 3:45AM May 14, 2021Observed: -1.97 ft at 4:00AM May 14, 2021Observed: -1.91 ft at 4:15AM May 14, 2021Observed: -1.82 ft at 4:30AM May 14, 2021Observed: -1.75 ft at 4:45AM May 14, 2021Observed: -1.69 ft at 5:00AM May 14, 2021Observed: -1.64 ft at 5:15AM May 14, 2021Observed: -1.58 ft at 5:30AM May 14, 2021Observed: -1.53 ft at 5:45AM May 14, 2021Observed: -1.48 ft at 6:00AM May 14, 2021Observed: -1.44 ft at 6:15AM May 14, 2021Observed: -1.39 ft at 6:30AM May 14, 2021Observed: -1.35 ft at 6:45AM May 14, 2021Observed: -1.31 ft at 7:00AM May 14, 2021Observed: -1.28 ft at 7:15AM May 14, 2021Observed: -1.25 ft at 7:30AM May 14, 2021Observed: -1.2 ft at 7:45AM May 14, 2021Observed: -1.17 ft at 8:00AM May 14, 2021Observed: -1.14 ft at 8:15AM May 14, 2021Observed: -1.11 ft at 8:30AM May 14, 2021Observed: -1.11 ft at 8:45AM May 14, 2021Observed: -1.12 ft at 9:00AM May 14, 2021Observed: -1.13 ft at 9:15AM May 14, 2021Observed: -1.15 ft at 9:30AM May 14, 2021Observed: -1.18 ft at 9:45AM May 14, 2021Observed: -1.22 ft at 10:00AM May 14, 2021Observed: -1.24 ft at 10:15AM May 14, 2021Observed: -1.27 ft at 10:30AM May 14, 2021Observed: -1.27 ft at 10:45AM May 14, 2021Observed: -1.26 ft at 11:00AM May 14, 2021Observed: -1.23 ft at 11:15AM May 14, 2021Observed: -1.2 ft at 11:30AM May 14, 2021Observed: -1.16 ft at 11:45AM May 14, 2021Observed: -1.11 ft at 12:00PM May 14, 2021Observed: -1.05 ft at 12:15PM May 14, 2021Observed: -0.98 ft at 12:30PM May 14, 2021Observed: -0.91 ft at 12:45PM May 14, 2021Observed: -0.84 ft at 1:00PM May 14, 2021Observed: -0.79 ft at 1:15PM May 14, 2021Observed: -0.73 ft at 1:30PM May 14, 2021Observed: -0.67 ft at 1:45PM May 14, 2021Observed: -0.62 ft at 2:00PM May 14, 2021Observed: -0.56 ft at 2:15PM May 14, 2021Observed: -0.5 ft at 2:30PM May 14, 2021Observed: -0.45 ft at 2:45PM May 14, 2021Observed: -0.4 ft at 3:00PM May 14, 2021Observed: -0.35 ft at 3:15PM May 14, 2021Observed: -0.28 ft at 3:30PM May 14, 2021Observed: -0.22 ft at 3:45PM May 14, 2021Observed: -0.18 ft at 4:00PM May 14, 2021Observed: -0.13 ft at 4:15PM May 14, 2021Observed: -0.08 ft at 4:30PM May 14, 2021Observed: -0.05 ft at 4:45PM May 14, 2021Observed: -0.01 ft at 5:00PM May 14, 2021Observed: 0.03 ft at 5:15PM May 14, 2021Observed: 0.07 ft at 5:30PM May 14, 2021Observed: 0.09 ft at 5:45PM May 14, 2021Observed: 0.11 ft at 6:00PM May 14, 2021Observed: 0.11 ft at 6:15PM May 14, 2021Observed: 0.11 ft at 6:30PM May 14, 2021Observed: 0.07 ft at 6:45PM May 14, 2021Observed: 0 ft at 7:00PM May 14, 2021Observed: -0.07 ft at 7:15PM May 14, 2021Observed: -0.15 ft at 7:30PM May 14, 2021Observed: -0.23 ft at 7:45PM May 14, 2021Observed: -0.33 ft at 8:00PM May 14, 2021Observed: -0.41 ft at 8:15PM May 14, 2021Observed: -0.48 ft at 8:30PM May 14, 2021Observed: -0.56 ft at 8:45PM May 14, 2021Observed: -0.64 ft at 9:00PM May 14, 2021Observed: -0.71 ft at 9:15PM May 14, 2021Observed: -0.78 ft at 9:30PM May 14, 2021Observed: -0.84 ft at 9:45PM May 14, 2021Observed: -0.91 ft at 10:00PM May 14, 2021Observed: -0.98 ft at 10:15PM May 14, 2021Observed: -1.03 ft at 10:30PM May 14, 2021Observed: -1.09 ft at 10:45PM May 14, 2021Observed: -1.15 ft at 11:00PM May 14, 2021Observed: -1.2 ft at 11:15PM May 14, 2021Observed: -1.27 ft at 11:30PM May 14, 2021Observed: -1.33 ft at 11:45PM May 14, 2021Observed: -1.38 ft at 12:00AM May 15, 2021Observed: -1.43 ft at 12:15AM May 15, 2021Observed: -1.48 ft at 12:30AM May 15, 2021Observed: -1.54 ft at 12:45AM May 15, 2021Observed: -1.6 ft at 1:00AM May 15, 2021Observed: -1.65 ft at 1:15AM May 15, 2021Observed: -1.71 ft at 1:30AM May 15, 2021Observed: -1.76 ft at 1:45AM May 15, 2021Observed: -1.81 ft at 2:00AM May 15, 2021Observed: -1.87 ft at 2:15AM May 15, 2021Observed: -1.93 ft at 2:30AM May 15, 2021Observed: -1.97 ft at 2:45AM May 15, 2021Observed: -2.01 ft at 3:00AM May 15, 2021Observed: -2.06 ft at 3:15AM May 15, 2021Observed: -2.11 ft at 3:30AM May 15, 2021Observed: -2.15 ft at 3:45AM May 15, 2021Observed: -2.19 ft at 4:00AM May 15, 2021Observed: -2.22 ft at 4:15AM May 15, 2021Observed: -2.24 ft at 4:30AM May 15, 2021Observed: -2.23 ft at 4:45AM May 15, 2021Observed: -2.18 ft at 5:00AM May 15, 2021Observed: -2.11 ft at 5:15AM May 15, 2021Observed: -2.05 ft at 5:30AM May 15, 2021Observed: -1.98 ft at 5:45AM May 15, 2021Observed: -1.92 ft at 6:00AM May 15, 2021Observed: -1.85 ft at 6:15AM May 15, 2021Observed: -1.79 ft at 6:30AM May 15, 2021Observed: -1.75 ft at 6:45AM May 15, 2021Observed: -1.71 ft at 7:00AM May 15, 2021MRNF1(plotting HGIRG) Graph Created (8:08AM May 15, 2021)ObservedLatest observed value: -1.71 ft at 7:00 AM EDT 15-May-2021.
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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: Graphical forecasts are not available for the Gulf of Mexico Tide Gauge at North Port Charlotte (In MHHW). During times of high water, forecast crest information can be found in the text products.

Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 0
Low Stage (in feet): -4

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:16
KML Image
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: 27.044722° N, Longitude: 82.293056° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available 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 -0.09 Not Available 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 -0.58 Not Available Mean Higher High Water. Used to approximate inundation.

Current/Historical Observations:
Additional Information Collapse
Tide data reported in MHHW.
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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
Tampa Bay Area Weather Forecast Office
2525 14th Ave SE
Ruskin, FL 33570
(813) 645-2323
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