National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service
 | 

SANTA MARGARITA RIVER - YSIDORA (YDRC1)
Latitude: 33.31º NLongitude: 117.35º WElevation: 75 Feet
Location: San Diego County in CaliforniaRiver Group: Southern California
Issuance Time: Dec 15 2017 at 7:28 AM PSTNext Issuance: Dec 15 2017 at 3:00 PM PST
Monitor Stage: 8.3 FeetFlood Stage: 10.9 Feet
Observed Data Credit
Gage owner logo

Raw streamflow data is provided by the US Geological Survey (USGS).
View USGS Data for this station location.

Verification - Historical Graphical RVF
Month:  
Day:  
Year:  
Cycle:  
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
2016*
1,060
7.14
Jan 7, 2016
2015*
1,550
7.15
Dec 4, 2014
2014*
2,230
7.76
Mar 1, 2014
2013*
218
5.66
Mar 8, 2013
2012*
263
5.67
Mar 26, 2012
 Historical High Stage/Flow Events (Period of Record - Sep 2001 to Present)**
1993*
44,000***
20.47***
Jan 16, 1993
1927
33,600****
18.00
Feb 16, 1927
1938
31,000
12.70
Mar 3, 1938
2005* 25,600*** 13.5*** Jan 11, 2005
1980* 24,000*** 18.80 Feb 18, 1980
* Discharge affected by regulation or diversion
** Most recent continuous record back to Sep 2001 with segmented periods back to Feb 1923
*** Estimated value
**** Highest flow since regulation by Skinner Reservoir began in 1974
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ043)
Today: Mostly sunny. Highs 72 to 77 near the coast to 77 to 82 inland. Light winds.

Tonight: Mostly clear in the evening and becoming partly cloudy. Lows 43 to 53. Light winds.

Saturday: Partly cloudy. Cooler. Highs around 66. Light winds.

Saturday Night: Partly cloudy. Lows 39 to 49. Light winds becoming northeast 15 mph overnight.

Sunday: Mostly sunny. Highs 67 to 72. Areas of winds northeast 15 to 20 mph with gusts to 35 mph in the morning becoming light.

Sunday Night: Mostly clear. Lows 39 to 49.

Monday: Mostly sunny. Highs 67 to 72.

Monday Night: Mostly clear. Lows 40 to 50.

Tuesday: Mostly sunny. Highs 68 to 73.

Tuesday Night: Mostly clear. Lows 42 to 52.

Wednesday: Mostly sunny in the morning and becoming partly cloudy. Highs 65 to 70 near the coast to 70 inland.

Wednesday Night: Partly cloudy. Lows 42 to 52.

Thursday: Partly cloudy. Highs 66 to 71.
Impacts - E19 Information
8.3 FeetPersonnel have already started regular patrols of roads and levee.
10.93 FeetVandegrift Road begins to flood downstream of the gage site. Stuart Mesa Road closures can be expected.
13.25 FeetVandegrift Road flooded and is flooded for several miles downstream of the gage site. Stuart Mesa bridge has been overtopped. Portions of Stuart Mesa Road near the bridge are flooded.
16.05 FeetWidespread inundation on Camp Pendleton with base evacuations likely. 01/16/1993 - flood of record.
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.