San Luis Rey River at Oceanside
California — Water Level & Flood Stage
Located in San Diego County, California on the San Luis Rey River. Live water level data from USGS gauge 11042000, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Major Flood
28 ft
18,000 cfs
Moderate Flood
24.5 ft
12,800 cfs
Minor Flood
21 ft
8,740 cfs
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
28 ft
Excess overflow of water has damaged some sewer and water mains in the city of oceanside. The lilac road bridge on the pala indian reservation has likely washed out. The rincon casino has been evacuated. Approaches to upstream crossings are likely damaged or washed out. North river road has likely been undermined in oceanside. The retainaing wall protecting homes in the rancho viejo project upstream from oceanside is likely compromised. Pala casino is at risk with possible evacuations.
24.5 ft
Extent of damage unknown. It is possible that the approaches to several of the upstream crossings will be damaged or washed out. The lilac road bridge on the pala indian reservation is likely impassable. Undermining of north river road in oceanside is possible. Undermining of the retaining wall protecting homes in the rancho viejo project is possible. Businesses in the flood plain not protected by the levee are at risk of innundation, including the pala casino parking areas and the rincon casino itself.
21 ft
Approaches to upstream bridges including camino del rey, shearer crossing, and couser canyon, among others, are threatened and possibly damaged. The lilac road bridge on the pala reservation is at risk.
12 ft
LOW-WATER CROSSINGS CAN BE IMPACTED WELL UPSTREAM OF THE GAGE BEFORE SIGNIFICANT GAGE RESPONSE OCCURS. GAGE HEIGHTS OF 9.5 TO 12 FT HAVE BEEN ASSOCIATED WITH THE CLOSING OF COLE GRADE ROAD AND LILAC ROADS.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Jan 15, 1993 | 21.7 ft | 25,700 cfs |
| Jan 15, 1993 | 21.7 ft | 25,700 cfs |
| Jan 11, 2005 | 20.7 ft | 8,420 cfs |
| Jan 11, 2005 | 20.7 ft | 8,420 cfs |
| Mar 5, 1995 | 19.97 ft | 19,500 cfs |
About This Gauge
USGS Site
NWS LID
SLOC1
River
San Luis Rey River
County
San Diego, CA
Coordinates
33.2181°N, 117.3594°W
Get Flood Alerts for San Luis Rey River
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 San Luis Rey River at Oceanside?
The San Luis Rey River at Oceanside gauge is maintained by USGS (site 11042000) 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 San Luis Rey River at Oceanside?
The NWS-defined flood stage for San Luis Rey River at Oceanside is 21 feet. Action stage begins at N/A feet. Moderate flooding starts at 24.5 feet, and major flooding at 28 feet.
How do I get alerts when San Luis Rey River rises?
Download StormCast free on Google Play, go to River Gauges, and add San Luis Rey River at Oceanside to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the San Luis Rey River at Oceanside gauge located?
The gauge is located in San Diego County, California at coordinates 33.2181°N, 117.3594°W. USGS site number: 11042000. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey