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
2016*
0****
--
--
2015*
0****
--
--
2014*
0****
--
--
2013*
158
7.53
Mar 8, 2013
2012*
84
6.93
Apr 26, 2012
 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)
Tonight: Partly cloudy with isolated showers. Lows 36 to 46. Light winds. Chance of measurable precipitation 20 percent.

Thursday: Mostly cloudy in the morning and becoming partly cloudy. Slight chance of showers. Highs around 60. Light winds. Chance of measurable precipitation 20 percent.

Thursday Night: Mostly cloudy. Slight chance of showers in the evening, then chance of showers overnight. Lows 39 to 49. Areas of winds west 15 mph with gusts to 25 mph. Chance of measurable precipitation 30 percent.

Friday: Mostly cloudy with a chance of showers in the morning, then partly cloudy in the afternoon. Highs around 59. Areas of winds west 15 mph. Gusts to 30 mph. Chance of measurable precipitation 30 percent.

Friday Night: Mostly clear. Colder. Lows 33 to 43. Areas of winds northwest 15 mph in the evening becoming light.

Saturday: Mostly sunny. Highs 61 to 66.

Saturday Night: Mostly clear. Lows 35 to 45.

Sunday: Mostly sunny. Highs 64 to 69.

Sunday Night: Mostly clear. Lows 38 to 48.

Monday: Mostly sunny in the morning, then partly cloudy with a slight chance of showers in the afternoon. Highs 65 to 70.

Monday Night: Partly cloudy with a slight chance of showers in the evening, then mostly cloudy with a chance of showers overnight. Lows 40 to 50.

Tuesday: Mostly cloudy in the morning and becoming partly cloudy. Chance of showers. Highs around 64.

Tuesday Night: Partly cloudy in the evening and becoming mostly cloudy. Chance of showers. Lows 40 to 50.

Wednesday: Mostly cloudy in the morning and becoming partly cloudy. Chance of showers. Highs 58 to 63.
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.