National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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SAN LUIS REY RIVER - OCEANSIDE (SLOC1)
Latitude: 33.22º NLongitude: 117.36º WElevation: 20 Feet
Location: San Diego County in CaliforniaBulletin Group: Southern CaliforniaRiver Group: San Diego/Inland
Action/Monitor: N/A Minor Flood: 21.0 FeetModerate Flood: 24.5 FeetMajor Flood: 28.0 Feet

Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View US Geological Survey (USGS) Data for this station location.

Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2024*
1,080
9.36
Feb 6, 2024
2023*
3,050
12.57
Mar 15, 2023
2022*
66
6.71
Dec 26, 2021
2021*
95
6.97
Jan 29, 2021
2020*
5,520
16.18
Apr 11, 2020
 Historical High Stage/Flow Events (Period of Record - Oct 1946 to Present)*** - Ranked by Flow
1916
95,600
--
Jan 27, 1916
1993**
25,700
21.70
Jan 16, 1993
1980*
25,000
14.00
Feb 21, 1980
2005*
21,800
20.68
Jan 11, 2005
1995*
19,500
19.97
Mar 06, 1995
 * Discharge affected by regulation or diversion
 ** Maximum since regulation by Lake Henshaw
 *** Most recent continuous record back to Oct 1946 with segmented periods back to Apr 1912
 **** No flow recorded during the entire water year
Location Photographs
ESRI™ Locator Map
Flood Impacts
28.0 FeetExcess 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 FeetExtent 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.
21.0 FeetApproaches 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.
12.0 FeetLOW-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.
Official 7 Day National Weather Service Forecast   (CAZ043)
Today: Partly cloudy with patchy fog This Morning and becoming mostly sunny. Warmer. Highs 72 to 77 near the coast to 82 to 85 inland. Areas of winds northwest to 10 mph.

Tonight: Mostly clear. Patchy fog overnight. Lows 55 to 61. Areas of winds west to 10 mph in the evening becoming light.

Saturday: Mostly sunny in the morning and becoming partly cloudy. Highs 77 to 82 near the coast to 90 inland. Areas of winds northwest to 10 mph.

Saturday Night: Partly cloudy in the evening and becoming mostly cloudy. Lows 56 to 63. Areas of winds west to 10 mph in the evening becoming light.

Sunday: Cloudy in the morning and becoming mostly cloudy. Highs 73 to 76 near the coast to 81 to 84 inland. Light winds becoming west 10 mph in the afternoon.

Sunday Night: Partly cloudy in the evening and becoming cloudy. Lows 53 to 58.

Monday: Cloudy in the morning and becoming partly cloudy. Highs 65 to 69 near the coast to 69 to 74 inland.

Monday Night: Partly cloudy in the evening and becoming cloudy. Lows 52 to 57.

Tuesday: Cloudy in the morning and becoming partly cloudy. Highs 64 to 68.

Tuesday Night: Partly cloudy in the evening and becoming cloudy. Lows 48 to 53.

Wednesday: Mostly cloudy in the morning and becoming partly cloudy. Highs 63 to 67 near the coast to 70 inland.

Wednesday Night: Partly cloudy in the evening and becoming mostly cloudy. Lows 49 to 54.

Thursday: Cloudy in the morning and becoming partly cloudy. Highs 64 to 67 near the coast to 70 inland.
Product Disclaimer

This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS San Diego Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only.