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
Issuance Time: Apr 22 2024 at 7:45 AM PDTNext Issuance: Apr 23 2024 at 9:00 AM PDT
Monitor Stage: N/A Flood Stage: 21.0 Feet

Please Note: Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.
Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View USGS Data for this station location.

Verification - Historical Graphical RVF
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To view other verification locations, use our Historical Graphical River Forecast Interface.
Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2022*
66
6.71
Dec 26, 2021
2021*
95
6.97
Jan 29, 2021
2020*
5,520
16.18
Apr 11, 2020
2019*
8,240
18.49
Feb 15, 2019
2018*
121
7.02
Jan 9, 2018
 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
Impacts - E19 Information
21.0 FeetDamage unknown. Bridge approaches upstream threatened and at risk of undermining.
24.5 FeetDamage unknown. Camino Del Rey, Couser Canyon, and Shearer Crossing Bridge approaches at risk of being washed out.
28.0 FeetScouring and undermining of roads and structures adjacent to the river channel. Bridge approaches designed to wash out at high flows destroyed. Indian gaming casinos parking facilities under water. Most significant damage upstream of levee with adjacent cropland underwater and homes threatened. Some infrastructure facilities damaged in city of Oceanside.
29.0 FeetOvertopping levee. Henshaw Dam was not in place nor was the levee at time of record flow. Levee is designed for PMF of 85,000 cfs. Peak adjusted discharge of 1916 event with Henshaw Dam is estimated to be 54,000 cfs. This is also assumed to be the 100 year storm.
Official 7 Day National Weather Service Forecast   (CAZ043)
Today: Cloudy with patchy drizzle this morning, then partly cloudy this afternoon. Highs 62 to 65. Light winds becoming west 10 mph this afternoon.

Tonight: Partly cloudy in the evening, then cloudy with patchy drizzle overnight. Lows 48 to 55. Areas of winds west 10 mph in the evening becoming light.

Wednesday: Cloudy with patchy drizzle in the morning, then partly cloudy in the afternoon. Highs 62 to 67. Areas of winds west to 10 mph and becoming 10 to 15 mph with gusts to 25 mph in the afternoon.

Wednesday Night: Mostly cloudy. A chance of showers overnight. Lows 49 to 56. Areas of winds northwest 10 to 15 mph. Gusts to 25 mph in the evening. Chance of measurable precipitation 30 percent.

Thursday: Mostly cloudy with a chance of showers in the morning, then partly cloudy in the afternoon. Highs around 64. Areas of winds west 10 to 15 mph. Gusts to 25 mph in the afternoon. Chance of measurable precipitation 30 percent.

Thursday Night: Partly cloudy in the evening, then cloudy with patchy drizzle and a slight chance of showers overnight. Lows 49 to 55.

Friday: Cloudy with patchy drizzle and a slight chance of showers in the morning, then partly cloudy in the afternoon. Highs 62 to 65 near the coast to 65 inland.

Friday Night: Mostly cloudy. Lows 49 to 55.

Saturday: Mostly cloudy in the morning and becoming partly cloudy. Highs 67 to 72.

Saturday Night: Partly cloudy. Lows 48 to 54.

Sunday: Partly cloudy. Highs 67 to 71 near the coast to 72 inland.

Sunday Night: Mostly clear in the evening and becoming partly cloudy overnight with patchy fog. Lows 49 to 56.

Monday: Partly cloudy with patchy fog in the morning and becoming mostly sunny. Highs 69 to 74 near the coast to 74 to 77 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.