Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of Spring 2024. Existing AHPS content and features will be preserved and expanded within NWPS. The NWS is now accepting feedback on NWPS. Please visit https://www.weather.gov/owp/operations for more information.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit https://www.weather.gov/owp/operations for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.

Weather Forecast Office Mobile, AL

Southeast River Forecast Center

Hydrograph

River at a Glance

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Printable Image About this graph Tabular Data (UTC) Tabular Data (CST) Datum: NAVD88 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 for the Gulf of Mexico Tide Gauge near Bayou La Batre Bridge (in MHHW) are issued routinely year-round. Vertical Datum references a tidal datum...for more information see Tides and Currents .

Default Hydrograph Scale to Flood Categories   Return to Area Map

Flood Categories (in feet) Major Flood Stage: 6 Moderate Flood Stage: 3 Flood Stage: 2 Action Stage: 0 Low Stage (in feet): -1.61 Historic Crests Currently none available. Recent Crests Currently none available. Low Water Records Currently none available.

Zoom Level:16 Legend FEMA Layer Gauge Location 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.

Flood Impacts & Photos

If you notice any errors in the below information, please contact our Webmaster
5	5.0 ft MHHW plus - Shell Belt and Coden Belt Rds closed. Some homes on the north side of Shell Belt and Coden Belt Rds experience several feet of water in the structures.
4	4.0 to 5.0 ft MHHW - Water begins to encroach into yards and under the elevated homes on the north side of Shell Belt Rd, with up to 3 ft of water. Shell Belt and Coden Belt Rds closed. Water begins to cover portions of Heron Bay Loop Rd along Heron Bay and may limit travel here. A few businesses on the waterfront in Bayou La Batre can have up to 6 in of water in them.
3	3.0 - 4.0 ft MHHW - Minor flooding on portions of Fort Morgan Road begins at 3.18 feet, especially areas between milemarkers 4 and 6. Minor beach erosion occurs on Baldwin County beaches, with no significant flooding on normally dry ground.
2.5	2.5 to 3.0 ft MHHW - Most portions of Shell belt and Coden Belt Rds become impassable due to flood waters. Flood waters begin to impact portions of Bienville Blvd on the west end of Dauphin Island. Flooding begins to impact portions of the Causeway leading to Dauphin Island, with limited travel possible.
2.1	2.1 to 2.5 ft MHHW - High water impacts significant portions of Shell Belt and Coden Belt Rds, with limited travel and some full closures.
2	Water begins to cover portions of Shell Belt and Coden Belt Rds. Roads may have some debris on them, but usually remain open.
1	1.0 to 2.0 ft MHHW - Some splash up onto Shell Belt and Coden Belt Rds can occur. Roads usually remain open.

About This Location

Latitude: 30.405670° N, Longitude: 88.247690° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 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 Not Available 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 Not Available Not Available

Additional Information

Displayed tide data is relative to MEAN HIGH HIGH WATER (MHHW). The forecasts displayed are courtesy of the National Ocean Service. More forecasts are available at: https://tidesandcurrents.noaa.gov/ofs/ngofs2/ngofs_mobile.html

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary NWS Mobile River Page Back to NWS Mobile's Main Page Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Snow Information

Collaborative Agencies 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 Mobile Weather Forecast Office 8400 Airport Blvd, Bldg 11 Mobile, AL 36608 (251) 633-6443 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:29 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities