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

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SANTA YNEZ RIVER - NARROWS (NRWC1)
Latitude: 34.64º NLongitude: 120.42º WElevation: 85 Feet
Location: Santa Barbara County in CaliforniaBulletin Group: Southern CaliforniaRiver Group: Southern California
Action/Monitor: 11.0 FeetMinor Flood: 15.0 FeetModerate Flood: 23.0 FeetMajor Flood: 28.0 Feet

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

Historical Mean Daily Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2025*
90
2.81
Feb 14, 2025
2024*
12,100
13.43
Feb 20, 2024
2023*
24,400
17.76
Feb 25, 2023
2022*
592
4.62
Dec 23, 2021
2021*
2,710
6.96
Jan 28, 2021
 Historical High Stage/Flow Events (Period of Record - Nov 1906 to Present)** - Ranked by Flow
1907
120,000
22.00
Jan 9, 1907
1969*
80,000
24.20
Jan 25, 1969
1914
75,000
13.00
Jan 25, 1914
1978*
63,200
16.80
Mar 04, 1978
1938
45,000
29.30
Mar 03, 1938
2001*
42,300
20.56
Mar 06, 2001
1983*
42,300
14.50
Mar 01, 1983
 * Discharge affected by regulation or diversion
 ** Most recent continuous record back to Oct 1980 with segmented periods back to Nov 1906
Location Photographs
ESRI™ Locator Map
Flood Impacts
24.0 FeetModerate flooding along river threatens farms and the city of lompoc.
15.0 FeetFlooding is a threat to lower lompoc, especially around Floradale Ave.
13.0 FeetFlooding threatens agricultural land and outlying grounds of federal prison.
Official 7 Day National Weather Service Forecast   (CAZ347)
Tonight: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the upper 30s to mid 40s. Northwest winds around 15 mph in the evening. Chance of precipitation 20 percent.

Tuesday: Mostly cloudy with a 30 percent chance of showers in the morning, becoming partly cloudy in the afternoon. Highs around 60.

Tuesday Night: Partly cloudy in the evening then mostly clear. Lows in the upper 30s to mid 40s.

Wednesday: Sunny. Highs in the upper 50s to mid 60s.

Wednesday Night: Partly cloudy in the evening then mostly cloudy. Lows in the lower to mid 40s.

Thursday: A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 50s to around 60. Chance of precipitation 60 percent.

Thursday Night: Cloudy with a 50 percent chance of showers. Lows in the lower to mid 40s.

Friday: Mostly cloudy. A chance of showers in the morning, then a slight chance of showers in the afternoon. Highs in the upper 50s to mid 60s. Chance of precipitation 30 percent.

Friday Night: Mostly cloudy with a 20 percent chance of showers in the evening, becoming partly cloudy after midnight. Lows in the mid 40s.

Saturday: Partly cloudy in the morning then sunny. Highs in the mid 60s to around 70.

Saturday Night: Mostly clear. Lows in the lower to mid 40s.

Sunday: Sunny. Highs in the mid 60s to around 70.

Sunday Night: Mostly clear. Lows in the mid 40s.

Monday: Sunny. Highs in the mid to upper 60s.
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 Los Angeles-Oxnard 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.