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NACIMIENTO RIVER - SAPAQUE (NBYC1)
| Latitude: 35.79º N | Longitude: 121.09º W | Elevation: 800 Feet | | Forecast Type: Unofficial Location |
| Location: San Luis Obispo County in California | Bulletin Group: Central Coast | River Group: Salinas/Pajaro |
| Issuance Time: | Apr 12 2026 at 9:23 AM PDT | Next Issuance: | Apr 13 2026 at 9:00 AM PDT
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| Action/Monitor: 27.0 Feet | Minor Flood: 30.0 Feet | Moderate Flood: N/A | Major Flood: N/A |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Nacimiento River - Sapaque (NBYC1)
#
# File Generation Time: 04/12/2026 at 09:25 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/12/2026 at 09:00 AM PDT
# Maximum Observed Stage: 8.62 Feet
# Maximum Observed Flow: 195 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/12/2026 at 03:00 PM PDT
# Maximum Forecast Stage: 8.98 Feet
# Maximum Forecast Flow: 331 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/07/2026 09 AM PDT 7.65 16 Normal
04/07/2026 10 AM PDT 7.65 16 0 Normal
04/07/2026 11 AM PDT 7.65 16 0 Normal
04/07/2026 12 PM PDT 7.65 16 0 Normal
04/07/2026 01 PM PDT 7.66 17 + Normal
04/07/2026 02 PM PDT 7.66 17 0 Normal
04/07/2026 03 PM PDT 7.66 17 0 Normal
04/07/2026 04 PM PDT 7.66 17 0 Normal
04/07/2026 05 PM PDT 7.65 16 - Normal
04/07/2026 06 PM PDT 7.66 17 + Normal
04/07/2026 07 PM PDT 7.65 16 - Normal
04/07/2026 08 PM PDT 7.64 15 - Normal
04/07/2026 09 PM PDT 7.64 15 0 Normal
04/07/2026 10 PM PDT 7.64 15 0 Normal
04/07/2026 11 PM PDT 7.64 15 0 Normal
04/08/2026 12 AM PDT 7.63 15 - Normal
04/08/2026 01 AM PDT 7.63 15 0 Normal
04/08/2026 02 AM PDT 7.63 15 0 Normal
04/08/2026 03 AM PDT 7.63 15 0 Normal
04/08/2026 04 AM PDT 7.63 15 0 Normal
04/08/2026 05 AM PDT 7.63 15 0 Normal
04/08/2026 06 AM PDT 7.63 15 0 Normal
04/08/2026 07 AM PDT 7.63 15 0 Normal
04/08/2026 08 AM PDT 7.63 15 0 Normal
04/08/2026 09 AM PDT 7.63 15 0 Normal
04/08/2026 10 AM PDT 7.63 15 0 Normal
04/08/2026 11 AM PDT 7.64 15 + Normal
04/08/2026 12 PM PDT 7.64 15 0 Normal
04/08/2026 01 PM PDT 7.64 15 0 Normal
04/08/2026 02 PM PDT 7.64 15 0 Normal
04/08/2026 03 PM PDT 7.65 16 + Normal
04/08/2026 04 PM PDT 7.65 16 0 Normal
04/08/2026 05 PM PDT 7.64 15 - Normal
04/08/2026 06 PM PDT 7.64 15 0 Normal
04/08/2026 07 PM PDT 7.63 15 - Normal
04/08/2026 08 PM PDT 7.63 15 0 Normal
04/08/2026 09 PM PDT 7.63 15 0 Normal
04/08/2026 10 PM PDT 7.62 14 - Normal
04/08/2026 11 PM PDT 7.62 14 0 Normal
04/09/2026 12 AM PDT 7.62 14 0 Normal
04/09/2026 01 AM PDT 7.62 14 0 Normal
04/09/2026 02 AM PDT 7.62 14 0 Normal
04/09/2026 03 AM PDT 7.62 14 0 Normal
04/09/2026 04 AM PDT 7.62 14 0 Normal
04/09/2026 05 AM PDT 7.62 14 0 Normal
04/09/2026 06 AM PDT 7.62 14 0 Normal
04/09/2026 07 AM PDT 7.62 14 0 Normal
04/09/2026 08 AM PDT 7.62 14 0 Normal
04/09/2026 09 AM PDT 7.62 14 0 Normal
04/09/2026 10 AM PDT 7.63 15 + Normal
04/09/2026 11 AM PDT 7.63 15 0 Normal
04/09/2026 12 PM PDT 7.63 15 0 Normal
04/09/2026 01 PM PDT 7.63 15 0 Normal
04/09/2026 02 PM PDT 7.63 15 0 Normal
04/09/2026 03 PM PDT 7.63 15 0 Normal
04/09/2026 04 PM PDT 7.63 15 0 Normal
04/09/2026 05 PM PDT 7.63 15 0 Normal
04/09/2026 06 PM PDT 7.63 15 0 Normal
04/09/2026 07 PM PDT 7.63 15 0 Normal
04/09/2026 08 PM PDT 7.62 14 - Normal
04/09/2026 09 PM PDT 7.61 13 - Normal
04/09/2026 10 PM PDT 7.61 13 0 Normal
04/09/2026 11 PM PDT 7.61 13 0 Normal
04/10/2026 12 AM PDT 7.61 13 0 Normal
04/10/2026 01 AM PDT 7.61 13 0 Normal
04/10/2026 02 AM PDT 7.61 13 0 Normal
04/10/2026 03 AM PDT 7.61 13 0 Normal
04/10/2026 04 AM PDT 7.61 13 0 Normal
04/10/2026 05 AM PDT 7.61 13 0 Normal
04/10/2026 06 AM PDT 7.61 13 0 Normal
04/10/2026 07 AM PDT 7.61 13 0 Normal
04/10/2026 08 AM PDT 7.61 13 0 Normal
04/10/2026 09 AM PDT 7.61 13 0 Normal
04/10/2026 10 AM PDT 7.62 14 + Normal
04/10/2026 11 AM PDT 7.62 14 0 Normal
04/10/2026 12 PM PDT 7.62 14 0 Normal
04/10/2026 01 PM PDT 7.62 14 0 Normal
04/10/2026 02 PM PDT 7.63 15 + Normal
04/10/2026 03 PM PDT 7.63 15 0 Normal
04/10/2026 04 PM PDT 7.63 15 0 Normal
04/10/2026 05 PM PDT 7.63 15 0 Normal
04/10/2026 06 PM PDT 7.64 15 + Normal
04/10/2026 07 PM PDT 7.64 15 0 Normal
04/10/2026 08 PM PDT 7.64 15 0 Normal
04/10/2026 09 PM PDT 7.64 15 0 Normal
04/10/2026 10 PM PDT 7.66 17 + Normal
04/10/2026 11 PM PDT 7.67 17 + Normal
04/11/2026 12 AM PDT 7.68 18 + Normal
04/11/2026 01 AM PDT 7.68 18 0 Normal
04/11/2026 02 AM PDT 7.69 19 + Normal
04/11/2026 03 AM PDT 7.69 19 0 Normal
04/11/2026 04 AM PDT 7.70 20 + Normal
04/11/2026 05 AM PDT 7.70 20 0 Normal
04/11/2026 06 AM PDT 7.71 20 + Normal
04/11/2026 07 AM PDT 7.71 20 0 Normal
04/11/2026 08 AM PDT 7.72 21 + Normal
04/11/2026 09 AM PDT 7.72 21 0 Normal
04/11/2026 10 AM PDT 7.73 22 + Normal
04/11/2026 11 AM PDT 7.74 23 + Normal
04/11/2026 12 PM PDT 7.74 23 0 Normal
04/11/2026 01 PM PDT 7.74 23 0 Normal
04/11/2026 02 PM PDT 7.75 24 + Normal
04/11/2026 03 PM PDT 7.76 25 + Normal
04/11/2026 04 PM PDT 7.78 27 + Normal
04/11/2026 05 PM PDT 7.78 27 0 Normal
04/11/2026 06 PM PDT 7.80 29 + Normal
04/11/2026 07 PM PDT 7.80 29 0 Normal
04/11/2026 08 PM PDT 7.81 30 + Normal
04/11/2026 09 PM PDT 7.85 34 + Normal
04/11/2026 10 PM PDT 7.93 44 + Normal
04/11/2026 11 PM PDT 7.98 50 + Normal
04/12/2026 12 AM PDT 8.01 55 + Normal
04/12/2026 01 AM PDT 8.01 55 0 Normal
04/12/2026 02 AM PDT 8.05 61 + Normal
04/12/2026 03 AM PDT 8.11 71 + Normal
04/12/2026 04 AM PDT 8.13 74 + Normal
04/12/2026 05 AM PDT 8.15 78 + Normal
04/12/2026 06 AM PDT 8.22 91 + Normal
04/12/2026 07 AM PDT 8.45 145 + Normal
04/12/2026 08 AM PDT 8.54 170 + Normal
04/12/2026 09 AM PDT 8.62 195 + Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/12/2026 10 AM PDT 8.71 226 Normal
04/12/2026 11 AM PDT 8.82 266 + Normal
04/12/2026 12 PM PDT 8.90 297 + Normal
04/12/2026 01 PM PDT 8.95 318 + Normal
04/12/2026 02 PM PDT 8.97 326 + Normal
04/12/2026 03 PM PDT 8.98 331 + Normal
04/12/2026 04 PM PDT 8.96 322 - Normal
04/12/2026 05 PM PDT 8.91 301 - Normal
04/12/2026 06 PM PDT 8.87 285 - Normal
04/12/2026 07 PM PDT 8.82 266 - Normal
04/12/2026 08 PM PDT 8.77 248 - Normal
04/12/2026 09 PM PDT 8.73 233 - Normal
04/12/2026 10 PM PDT 8.69 219 - Normal
04/12/2026 11 PM PDT 8.65 205 - Normal
04/13/2026 12 AM PDT 8.61 192 - Normal
04/13/2026 01 AM PDT 8.57 179 - Normal
04/13/2026 02 AM PDT 8.53 167 - Normal
04/13/2026 03 AM PDT 8.50 158 - Normal
04/13/2026 04 AM PDT 8.47 150 - Normal
04/13/2026 05 AM PDT 8.45 145 - Normal
04/13/2026 06 AM PDT 8.42 137 - Normal
04/13/2026 07 AM PDT 8.40 132 - Normal
04/13/2026 08 AM PDT 8.38 127 - Normal
04/13/2026 09 AM PDT 8.35 120 - Normal
04/13/2026 10 AM PDT 8.33 115 - Normal
04/13/2026 11 AM PDT 8.31 110 - Normal
04/13/2026 12 PM PDT 8.29 106 - Normal
04/13/2026 01 PM PDT 8.27 102 - Normal
04/13/2026 02 PM PDT 8.25 97 - Normal
04/13/2026 03 PM PDT 8.24 95 - Normal
04/13/2026 04 PM PDT 8.23 93 - Normal
04/13/2026 05 PM PDT 8.22 91 - Normal
04/13/2026 06 PM PDT 8.22 91 0 Normal
04/13/2026 07 PM PDT 8.21 89 - Normal
04/13/2026 08 PM PDT 8.21 89 0 Normal
04/13/2026 09 PM PDT 8.20 87 - Normal
04/13/2026 10 PM PDT 8.19 85 - Normal
04/13/2026 11 PM PDT 8.19 85 0 Normal
04/14/2026 12 AM PDT 8.18 84 - Normal
04/14/2026 01 AM PDT 8.18 84 0 Normal
04/14/2026 02 AM PDT 8.17 82 - Normal
04/14/2026 03 AM PDT 8.17 82 0 Normal
04/14/2026 04 AM PDT 8.17 82 0 Normal
04/14/2026 05 AM PDT 8.16 80 - Normal
04/14/2026 06 AM PDT 8.16 80 0 Normal
04/14/2026 07 AM PDT 8.15 78 - Normal
04/14/2026 08 AM PDT 8.15 78 0 Normal
04/14/2026 09 AM PDT 8.14 76 - Normal
04/14/2026 10 AM PDT 8.14 76 0 Normal
04/14/2026 11 AM PDT 8.13 74 - Normal
04/14/2026 12 PM PDT 8.12 73 - Normal
04/14/2026 01 PM PDT 8.12 73 0 Normal
04/14/2026 02 PM PDT 8.11 71 - Normal
04/14/2026 03 PM PDT 8.11 71 0 Normal
04/14/2026 04 PM PDT 8.10 69 - Normal
04/14/2026 05 PM PDT 8.10 69 0 Normal
04/14/2026 06 PM PDT 8.09 67 - Normal
04/14/2026 07 PM PDT 8.09 67 0 Normal
04/14/2026 08 PM PDT 8.08 66 - Normal
04/14/2026 09 PM PDT 8.07 64 - Normal
04/14/2026 10 PM PDT 8.07 64 0 Normal
04/14/2026 11 PM PDT 8.06 63 - Normal
04/15/2026 12 AM PDT 8.06 63 0 Normal
04/15/2026 01 AM PDT 8.05 61 - Normal
04/15/2026 02 AM PDT 8.05 61 0 Normal
04/15/2026 03 AM PDT 8.04 59 - Normal
04/15/2026 04 AM PDT 8.04 59 0 Normal
04/15/2026 05 AM PDT 8.04 59 0 Normal
04/15/2026 06 AM PDT 8.03 58 - Normal
04/15/2026 07 AM PDT 8.02 56 - Normal
04/15/2026 08 AM PDT 8.01 55 - Normal
04/15/2026 09 AM PDT 8.01 55 0 Normal
04/15/2026 10 AM PDT 8.00 53 - Normal
04/15/2026 11 AM PDT 8.00 53 0 Normal
04/15/2026 12 PM PDT 7.99 52 - Normal
04/15/2026 01 PM PDT 7.99 52 0 Normal
04/15/2026 02 PM PDT 7.99 52 0 Normal
04/15/2026 03 PM PDT 7.99 52 0 Normal
04/15/2026 04 PM PDT 7.98 50 - Normal
04/15/2026 05 PM PDT 7.98 50 0 Normal
04/15/2026 06 PM PDT 7.98 50 0 Normal
04/15/2026 07 PM PDT 7.98 50 0 Normal
04/15/2026 08 PM PDT 7.97 49 - Normal
04/15/2026 09 PM PDT 7.97 49 0 Normal
04/15/2026 10 PM PDT 7.97 49 0 Normal
04/15/2026 11 PM PDT 7.97 49 0 Normal
04/16/2026 12 AM PDT 7.97 49 0 Normal
04/16/2026 01 AM PDT 7.97 49 0 Normal
04/16/2026 02 AM PDT 7.97 49 0 Normal
04/16/2026 03 AM PDT 7.97 49 0 Normal
04/16/2026 04 AM PDT 7.96 48 - Normal
04/16/2026 05 AM PDT 7.96 48 0 Normal
04/16/2026 06 AM PDT 7.96 48 0 Normal
04/16/2026 07 AM PDT 7.96 48 0 Normal
04/16/2026 08 AM PDT 7.96 48 0 Normal
04/16/2026 09 AM PDT 7.96 48 0 Normal
04/16/2026 10 AM PDT 7.96 48 0 Normal
04/16/2026 11 AM PDT 7.96 48 0 Normal
04/16/2026 12 PM PDT 7.96 48 0 Normal
04/16/2026 01 PM PDT 7.96 48 0 Normal
04/16/2026 02 PM PDT 7.95 46 - Normal
04/16/2026 03 PM PDT 7.95 46 0 Normal
04/16/2026 04 PM PDT 7.95 46 0 Normal
04/16/2026 05 PM PDT 7.95 46 0 Normal
04/16/2026 06 PM PDT 7.95 46 0 Normal
04/16/2026 07 PM PDT 7.95 46 0 Normal
04/16/2026 08 PM PDT 7.95 46 0 Normal
04/16/2026 09 PM PDT 7.95 46 0 Normal
04/16/2026 10 PM PDT 7.95 46 0 Normal
04/16/2026 11 PM PDT 7.95 46 0 Normal
04/17/2026 12 AM PDT 7.95 46 0 Normal
04/17/2026 01 AM PDT 7.95 46 0 Normal
04/17/2026 02 AM PDT 7.95 46 0 Normal
04/17/2026 03 AM PDT 7.95 46 0 Normal
04/17/2026 04 AM PDT 7.94 45 - Normal
04/17/2026 05 AM PDT 7.94 45 0 Normal
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.
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