Santa Ynez River at Narrows near Lompoc CA
USGS Site No: 11133000 • Santa Ynez River • Santa Barbara County, CA
Santa Ynez River at Narrows near Lompoc CA on the Santa Ynez River is currently at 50 cfs (Very High — 102th percentile for this date) . Gage height: 2.34 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 28 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.
| Percentile | Label | CFS Threshold | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 0 | |
| 25th | Low threshold | 0 | |
| 50th (Median) | Normal (median) | 0 | |
| 75th | High threshold | 9 | |
| 95th | Very High threshold | 30 |
30-Day Hydrograph
Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 53 | — |
| May 27, 2026 | 54 | — |
| May 26, 2026 | 56 | — |
| May 25, 2026 | 57 | — |
| May 24, 2026 | 55 | — |
| May 23, 2026 | 55 | — |
| May 22, 2026 | 57 | — |
| May 21, 2026 | 60 | — |
| May 20, 2026 | 63 | — |
| May 19, 2026 | 66 | — |
| May 18, 2026 | 69 | — |
| May 17, 2026 | 70 | — |
| May 16, 2026 | 70 | — |
| May 15, 2026 | 72 | — |
| Apr 19, 2026 | 109 | — |
| Apr 18, 2026 | 109 | — |
| Apr 17, 2026 | 110 | — |
| Apr 16, 2026 | 111 | — |
| Apr 15, 2026 | 112 | — |
| Apr 14, 2026 | 115 | — |
| Apr 13, 2026 | 121 | — |
| Apr 12, 2026 | 124 | — |
| Apr 11, 2026 | 117 | — |
| Apr 10, 2026 | 110 | — |
| Apr 9, 2026 | 109 | — |
| Apr 8, 2026 | 110 | — |
| Apr 7, 2026 | 111 | — |
| Apr 6, 2026 | 112 | — |
| Apr 5, 2026 | 112 | — |
| Apr 4, 2026 | 113 | — |
Station Information
- USGS Site No
- 11133000
- State
- CA
- County
- Santa Barbara County
- Coordinates
- 34.6361, -120.4246
- Drainage Area
- 789 mi²
- Datum (ft)
- 87.5
- HUC Code
- 18060010
Flood Stage Thresholds
- Action Stage
- 11.0 ft
- Flood Stage
- 15.0 ft
- Moderate Flood
- 23.0 ft
- Major Flood
- 28.0 ft
Currently 12.66 ft below flood stage.
Recent Extremes
- Max discharge
-
7,060 cfsJan 4, 2026
- Min discharge
-
0 cfsNov 13, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Santa Ynez River at H St near Lompoc CAVery High2.9 mi · 35 cfs
-
Salsipuedes C near Lompoc CAHigh3.4 mi · 3 cfs
-
San Antonio C at San Antonio Road East near Orcutt CAVery High9.1 mi · 0 cfs
-
Jalama C near Lompoc CAVery High9.1 mi · 1 cfs
-
Harris Canyon C near Orcutt CANormal9.8 mi · 0 cfs