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: May 23 2024 at 7:41 AM PDTNext Issuance: May 24 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
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
2019*
8,240
18.49
Feb 15, 2019
 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)
Tonight: Mostly cloudy. Lows 52 to 57. Areas of winds southwest 10 mph this evening becoming light.

Friday: Cloudy in the morning and becoming partly cloudy. Highs 65 to 68. Areas of winds south 10 mph.

Friday Night: Cloudy. Patchy drizzle overnight. Lows 52 to 57. Areas of winds west 10 mph.

Saturday: Cloudy with patchy drizzle in the morning, then mostly cloudy in the afternoon. Highs 65 to 69. Areas of winds west 10 mph.

Saturday Night: Cloudy. Lows 52 to 57. Areas of winds west 10 mph in the evening becoming light.

Sunday: Cloudy in the morning and becoming partly cloudy. Highs 66 to 70.

Sunday Night: Partly cloudy in the evening and becoming cloudy. Lows 50 to 56.

Memorial Day: Cloudy in the morning and becoming mostly sunny. Highs 66 to 70 near the coast to 71 inland.

Monday Night: Partly cloudy in the evening and becoming mostly cloudy. Lows 51 to 56.

Tuesday: Mostly cloudy in the morning and becoming mostly sunny. Highs 70 to 75.

Tuesday Night: Mostly clear in the evening and becoming mostly cloudy overnight with patchy fog. Lows 52 to 57.

Wednesday: Mostly cloudy with patchy fog in the morning and Becoming mostly sunny. Highs 67 to 72 near the coast to 72 inland.

Wednesday Night: Mostly clear in the evening and becoming mostly cloudy overnight with patchy fog. Lows 52 to 57.

Thursday: Mostly cloudy in the morning and becoming partly cloudy. Highs 67 to 72 near the coast to 73 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.