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 CaliforniaRiver Group: Southern California
Monitor Stage: N/A Flood Stage: 21.0 Feet

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.

Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2019*
8,240
18.49
Feb 15, 2019
2018*
121
7.02
Jan 9, 2018
2017*
2,750
14.31
Feb 28, 2017
2016*
0****
--
--
2015*
0****
--
--
 Historical High Stage/Flow Events (Period of Record - Oct 1946 to Present)***
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
Official 7 Day National Weather Service Forecast   (CAZ043)
Today: Partly cloudy in the morning and becoming mostly sunny. Highs 73 to 78 near the coast to 78 to 83 inland. Light winds.

Tonight: Mostly clear in the evening and becoming partly cloudy. Lows 59 to 64. Light winds.

Sunday: Partly cloudy in the morning and becoming sunny. Highs 74 to 79 near the coast to 81 to 86 inland. Light winds.

Sunday Night: Clear in the evening and becoming partly cloudy. Lows 59 to 64. Light winds.

Monday: Partly cloudy in the morning and becoming mostly sunny. Highs 73 to 78 near the coast to 83 inland. Light winds.

Monday Night: Mostly clear in the evening then patchy low clouds and fog. Lows around 62.

Tuesday: Patchy low clouds and fog in the morning then mostly sunny. Highs around 74 near the coast to 80 inland.

Tuesday Night: Mostly clear in the evening then areas of low clouds and fog. Lows 57 to 62.

Wednesday: Areas of low clouds and fog in the morning then mostly sunny. Highs 71 to 76 near the coast to 77 inland.

Wednesday Night: Mostly clear in the evening then areas of low clouds and fog. Lows 57 to 62.

Thursday: Areas of low clouds and fog in the morning then mostly sunny. Highs around 74 near the coast to 78 inland.

Thursday Night: Mostly clear in the evening then patchy low clouds and fog. Lows 59 to 64.

Friday: Patchy low clouds and fog in the morning then mostly sunny. Highs 73 to 78 near the coast to 80 inland.
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.
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.