Major Flood
6 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: MCGA1). Live data may be limited. View on NWS AHPS →
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
3 ft
Minor Flood
1.7 ft
What Floods at Each Level
2.65 ft
Alternate 90 Eastbound roadway flooded near Cochran Bridge. Expect major delays.
2.5 ft
2.5 - 2.8 ft MHHW - Both directions of the US 90/98 are impassable due to flooding. Approximately 1 foot of water on the road.
2.3 ft
Both directions of the US 90/98 Causeway flood.
2.1 ft
Both eastbound and westbound I-10 ramps on the US90/98 Causeway can be closed after becoming impassable due to flood waters. Portions of outside eastbound lanes elsewhere on the Causeway have some splash up water on the road. US90 westbound lanes usually remain open to traffic, but will need to be monitored. Locations along Highway 163/Dauphine Island Parkway north of the the Dog River Bridge, from just north of Helen Wood Park to the south end of North Mariana Dr, begin to flood
2 ft
2.0 - 3.0 ft MWWH - Moderate flooding of docks, piers, boat ramps and other low lying areas over portions of Mobile Bay. Minor flooding of docks, piers, boat ramps, and other lying areas along portions of the Eastern Shore.
1.75 ft
The outside lane of eastbound US 90/98 Causeway can sometime experience minor flooding, although the road remains open.
1.7 ft
1.7 - 2.0ft MHHW - Minor flooding of docks, piers, boat ramps and other low lying areas over portions of northern Mobile Bay. Low lying portions of the US 90/98 Causeway near the eastbound I-10 on ramp begins to see some splash-up and some standing water.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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About This Gauge
NWS LID
MCGA1
River
Tide Gauge
County
Mobile, AL
Coordinates
30.6483°N, 88.0583°W
Get Flood Alerts for Tide Gauge
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Tide Gauge at Coast Guard Sector Mobile (IN MHHW)?
The Tide Gauge at Coast Guard Sector Mobile (IN MHHW) gauge is maintained by USGS and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Tide Gauge at Coast Guard Sector Mobile (IN MHHW)?
The NWS-defined flood stage for Tide Gauge at Coast Guard Sector Mobile (IN MHHW) is 1.7 feet. Action stage begins at N/A feet. Moderate flooding starts at 3 feet, and major flooding at 6 feet.
How do I get alerts when Tide Gauge rises?
Download StormCast free on Google Play, go to River Gauges, and add Tide Gauge at Coast Guard Sector Mobile (IN MHHW) to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Tide Gauge at Coast Guard Sector Mobile (IN MHHW) gauge located?
The gauge is located in Mobile County, Alabama at coordinates 30.6483°N, 88.0583°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Tide Gauge
Tide Gauge near Bayou La Batre Bridge (in MHHW)
Tide Gauge at DOG RIVER BRIDGE (IN MHHW)
Tide Gauge near Chickasaw (IN MHHW)
Tide Gauge at Dauphin Island (IN MHHW)
Tide Gauge at East Fowl River Bridge (IN MHHW)
Tide Gauge near Mobile State Docks (IN MHHW)
Tide Gauge at Weeks Bay (IN MHHW)
Tide Gauge at West Fowl River Bridge (IN MHHW)
More Resources
Source & Notes
- 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.