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
Issuance Time: Oct 31 2020 at 7:38 AM PDTNext Issuance: Nov 01 2020 at 9:00 AM PST
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.

Verification - Historical Graphical RVF
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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)
Tonight: Partly cloudy. Patchy dense fog overnight. Local visibility one quarter mile or less at times overnight. Lows 53 to 59. Light winds.

Sunday: Partly cloudy. Patchy dense fog in the morning. Local visibility one quarter mile or less at times in the morning. Warmer. Highs 77 to 82 near the coast to 84 to 89 inland. Light winds.

Sunday Night: Mostly clear. Lows 52 to 59. Light winds.

Monday: Mostly sunny. Highs 75 to 80 near the coast to 82 to 87 inland. Light winds.

Monday Night: Mostly clear in the evening and becoming partly cloudy. Patchy fog overnight. Lows 52 to 59. Light winds.

Tuesday: Partly cloudy. Patchy fog in the morning. Highs 72 to 77 near the coast to 80 inland.

Tuesday Night: Partly cloudy. Patchy fog overnight. Lows 50 to 58.

Wednesday: Partly cloudy. Patchy fog in the morning. Highs 74 to 79 near the coast to 81 to 86 inland.

Wednesday Night: Mostly clear. Lows 51 to 60.

Thursday: Mostly sunny. Highs 80 to 85 near the coast to 86 to 91 inland.

Thursday Night: Mostly clear in the evening and becoming partly cloudy. Lows 52 to 61.

Friday: Partly cloudy in the morning and becoming mostly sunny. Highs 74 to 79 near the coast to 82 inland.

Friday Night: Partly cloudy in the evening, then mostly cloudy with a slight chance of showers overnight. Lows 54 to 59.

Saturday: Mostly cloudy. Slight chance of showers in the morning, then chance of showers in the afternoon. Highs 65 to 70 near the coast to 71 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.