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

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NACIMIENTO RIVER - SAPAQUE (NBYC1)
Latitude: 35.79º NLongitude: 121.09º WElevation: 800 Feet
Location: San Luis Obispo County in CaliforniaBulletin Group: Central CoastRiver Group: Salinas/Pajaro
Issuance Time: Jan 24 2026 at 7:48 AM PSTNext Issuance: Jan 25 2026 at 9:00 AM PST
Action/Monitor: 27.0 FeetMinor Flood: 30.0 FeetModerate Flood: N/A Major Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Nacimiento River - Sapaque (NBYC1)
#
# File Generation Time:  01/24/2026 at 07:51 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  01/19/2026 at 03:00 PM PST
# Maximum Observed Stage:                       8.33 Feet
# Maximum Observed Flow:                        63 cfs
#
# Earliest Date & Time of Maximum Forecast:     01/24/2026 at 08:00 AM PST
# Maximum Forecast Stage:                       8.18 Feet
# Maximum Forecast Flow:                        41 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  01/19/2026 07 AM PST            8.33             63                        Normal
  01/19/2026 08 AM PST            8.33             63         0              Normal
  01/19/2026 09 AM PST            8.32             61         -              Normal
  01/19/2026 10 AM PST            8.32             61         0              Normal
  01/19/2026 11 AM PST            8.32             61         0              Normal
  01/19/2026 12 PM PST            8.32             61         0              Normal
  01/19/2026 01 PM PST            8.33             63         +              Normal
  01/19/2026 02 PM PST            8.33             63         0              Normal
  01/19/2026 03 PM PST            8.33             63         0              Normal
  01/19/2026 04 PM PST            8.32             61         -              Normal
  01/19/2026 05 PM PST            8.32             61         0              Normal
  01/19/2026 06 PM PST            8.31             59         -              Normal
  01/19/2026 07 PM PST            8.31             59         0              Normal
  01/19/2026 08 PM PST            8.31             59         0              Normal
  01/19/2026 09 PM PST            8.30             58         -              Normal
  01/19/2026 10 PM PST            8.30             58         0              Normal
  01/19/2026 11 PM PST            8.30             58         0              Normal
  01/20/2026 12 AM PST            8.30             58         0              Normal
  01/20/2026 01 AM PST            8.30             58         0              Normal
  01/20/2026 02 AM PST            8.30             58         0              Normal
  01/20/2026 03 AM PST            8.29             56         -              Normal
  01/20/2026 04 AM PST            8.29             56         0              Normal
  01/20/2026 05 AM PST            8.29             56         0              Normal
  01/20/2026 06 AM PST            8.29             56         0              Normal
  01/20/2026 07 AM PST            8.29             56         0              Normal
  01/20/2026 08 AM PST            8.29             56         0              Normal
  01/20/2026 09 AM PST            8.28             55         -              Normal
  01/20/2026 10 AM PST            8.28             55         0              Normal
  01/20/2026 11 AM PST            8.28             55         0              Normal
  01/20/2026 12 PM PST            8.28             55         0              Normal
  01/20/2026 01 PM PST            8.28             55         0              Normal
  01/20/2026 02 PM PST            8.28             55         0              Normal
  01/20/2026 03 PM PST            8.28             55         0              Normal
  01/20/2026 04 PM PST            8.28             55         0              Normal
  01/20/2026 05 PM PST            8.28             55         0              Normal
  01/20/2026 06 PM PST            8.27             53         -              Normal
  01/20/2026 07 PM PST            8.27             53         0              Normal
  01/20/2026 08 PM PST            8.27             53         0              Normal
  01/20/2026 09 PM PST            8.27             53         0              Normal
  01/20/2026 10 PM PST            8.26             52         -              Normal
  01/20/2026 11 PM PST            8.26             52         0              Normal
  01/21/2026 12 AM PST            8.26             52         0              Normal
  01/21/2026 01 AM PST            8.26             52         0              Normal
  01/21/2026 02 AM PST            8.26             52         0              Normal
  01/21/2026 03 AM PST            8.26             52         0              Normal
  01/21/2026 04 AM PST            8.25             50         -              Normal
  01/21/2026 05 AM PST            8.25             50         0              Normal
  01/21/2026 06 AM PST            8.25             50         0              Normal
  01/21/2026 07 AM PST            8.25             50         0              Normal
  01/21/2026 08 AM PST            8.25             50         0              Normal
  01/21/2026 09 AM PST            8.25             50         0              Normal
  01/21/2026 10 AM PST            8.25             50         0              Normal
  01/21/2026 11 AM PST            8.25             50         0              Normal
  01/21/2026 12 PM PST            8.24             49         -              Normal
  01/21/2026 01 PM PST            8.24             49         0              Normal
  01/21/2026 02 PM PST            8.24             49         0              Normal
  01/21/2026 03 PM PST            8.24             49         0              Normal
  01/21/2026 04 PM PST            8.24             49         0              Normal
  01/21/2026 05 PM PST            8.24             49         0              Normal
  01/21/2026 06 PM PST            8.24             49         0              Normal
  01/21/2026 07 PM PST            8.23             48         -              Normal
  01/21/2026 08 PM PST            8.23             48         0              Normal
  01/21/2026 09 PM PST            8.23             48         0              Normal
  01/21/2026 10 PM PST            8.23             48         0              Normal
  01/21/2026 11 PM PST            8.23             48         0              Normal
  01/22/2026 12 AM PST            8.23             48         0              Normal
  01/22/2026 01 AM PST            8.23             48         0              Normal
  01/22/2026 02 AM PST            8.23             48         0              Normal
  01/22/2026 03 AM PST            8.23             48         0              Normal
  01/22/2026 04 AM PST            8.23             48         0              Normal
  01/22/2026 05 AM PST            8.22             46         -              Normal
  01/22/2026 06 AM PST            8.22             46         0              Normal
  01/22/2026 07 AM PST            8.22             46         0              Normal
  01/22/2026 08 AM PST            8.22             46         0              Normal
  01/22/2026 09 AM PST            8.22             46         0              Normal
  01/22/2026 10 AM PST            8.22             46         0              Normal
  01/22/2026 11 AM PST            8.22             46         0              Normal
  01/22/2026 12 PM PST            8.22             46         0              Normal
  01/22/2026 01 PM PST            8.23             48         +              Normal
  01/22/2026 02 PM PST            8.23             48         0              Normal
  01/22/2026 03 PM PST            8.23             48         0              Normal
  01/22/2026 04 PM PST            8.23             48         0              Normal
  01/22/2026 05 PM PST            8.23             48         0              Normal
  01/22/2026 06 PM PST            8.23             48         0              Normal
  01/22/2026 07 PM PST            8.22             46         -              Normal
  01/22/2026 08 PM PST            8.22             46         0              Normal
  01/22/2026 09 PM PST            8.22             46         0              Normal
  01/22/2026 10 PM PST            8.22             46         0              Normal
  01/22/2026 11 PM PST            8.22             46         0              Normal
  01/23/2026 12 AM PST            8.22             46         0              Normal
  01/23/2026 01 AM PST            8.22             46         0              Normal
  01/23/2026 02 AM PST            8.22             46         0              Normal
  01/23/2026 03 AM PST            8.22             46         0              Normal
  01/23/2026 04 AM PST            8.22             46         0              Normal
  01/23/2026 05 AM PST            8.22             46         0              Normal
  01/23/2026 06 AM PST            8.22             46         0              Normal
  01/23/2026 07 AM PST            8.22             46         0              Normal
  01/23/2026 08 AM PST            8.21             45         -              Normal
  01/23/2026 09 AM PST            8.21             45         0              Normal
  01/23/2026 10 AM PST            8.21             45         0              Normal
  01/23/2026 11 AM PST            8.21             45         0              Normal
  01/23/2026 12 PM PST            8.21             45         0              Normal
  01/23/2026 01 PM PST            8.21             45         0              Normal
  01/23/2026 02 PM PST            8.21             45         0              Normal
  01/23/2026 03 PM PST            8.21             45         0              Normal
  01/23/2026 04 PM PST            8.21             45         0              Normal
  01/23/2026 05 PM PST            8.20             44         -              Normal
  01/23/2026 06 PM PST            8.20             44         0              Normal
  01/23/2026 07 PM PST            8.19             42         -              Normal
  01/23/2026 08 PM PST            8.19             42         0              Normal
  01/23/2026 09 PM PST            8.19             42         0              Normal
  01/23/2026 10 PM PST            8.19             42         0              Normal
  01/23/2026 11 PM PST            8.18             41         -              Normal
  01/24/2026 12 AM PST            8.18             41         0              Normal
  01/24/2026 01 AM PST            8.18             41         0              Normal
  01/24/2026 02 AM PST            8.18             41         0              Normal
  01/24/2026 03 AM PST            8.18             41         0              Normal
  01/24/2026 04 AM PST            8.18             41         0              Normal
  01/24/2026 05 AM PST            8.18             41         0              Normal
  01/24/2026 06 AM PST            8.18             41         0              Normal
  01/24/2026 07 AM PST            8.18             41         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  01/24/2026 08 AM PST            8.18             41                        Normal
  01/24/2026 09 AM PST            8.18             41         0              Normal
  01/24/2026 10 AM PST            8.17             40         -              Normal
  01/24/2026 11 AM PST            8.17             40         0              Normal
  01/24/2026 12 PM PST            8.17             40         0              Normal
  01/24/2026 01 PM PST            8.17             40         0              Normal
  01/24/2026 02 PM PST            8.17             40         0              Normal
  01/24/2026 03 PM PST            8.17             40         0              Normal
  01/24/2026 04 PM PST            8.16             39         -              Normal
  01/24/2026 05 PM PST            8.16             39         0              Normal
  01/24/2026 06 PM PST            8.16             39         0              Normal
  01/24/2026 07 PM PST            8.16             39         0              Normal
  01/24/2026 08 PM PST            8.16             39         0              Normal
  01/24/2026 09 PM PST            8.16             39         0              Normal
  01/24/2026 10 PM PST            8.16             39         0              Normal
  01/24/2026 11 PM PST            8.15             38         -              Normal
  01/25/2026 12 AM PST            8.15             38         0              Normal
  01/25/2026 01 AM PST            8.15             38         0              Normal
  01/25/2026 02 AM PST            8.15             38         0              Normal
  01/25/2026 03 AM PST            8.15             38         0              Normal
  01/25/2026 04 AM PST            8.15             38         0              Normal
  01/25/2026 05 AM PST            8.15             38         0              Normal
  01/25/2026 06 AM PST            8.15             38         0              Normal
  01/25/2026 07 AM PST            8.14             36         -              Normal
  01/25/2026 08 AM PST            8.14             36         0              Normal
  01/25/2026 09 AM PST            8.14             36         0              Normal
  01/25/2026 10 AM PST            8.14             36         0              Normal
  01/25/2026 11 AM PST            8.14             36         0              Normal
  01/25/2026 12 PM PST            8.14             36         0              Normal
  01/25/2026 01 PM PST            8.14             36         0              Normal
  01/25/2026 02 PM PST            8.14             36         0              Normal
  01/25/2026 03 PM PST            8.13             35         -              Normal
  01/25/2026 04 PM PST            8.13             35         0              Normal
  01/25/2026 05 PM PST            8.13             35         0              Normal
  01/25/2026 06 PM PST            8.13             35         0              Normal
  01/25/2026 07 PM PST            8.13             35         0              Normal
  01/25/2026 08 PM PST            8.13             35         0              Normal
  01/25/2026 09 PM PST            8.13             35         0              Normal
  01/25/2026 10 PM PST            8.13             35         0              Normal
  01/25/2026 11 PM PST            8.13             35         0              Normal
  01/26/2026 12 AM PST            8.12             34         -              Normal
  01/26/2026 01 AM PST            8.12             34         0              Normal
  01/26/2026 02 AM PST            8.12             34         0              Normal
  01/26/2026 03 AM PST            8.12             34         0              Normal
  01/26/2026 04 AM PST            8.12             34         0              Normal
  01/26/2026 05 AM PST            8.12             34         0              Normal
  01/26/2026 06 AM PST            8.12             34         0              Normal
  01/26/2026 07 AM PST            8.12             34         0              Normal
  01/26/2026 08 AM PST            8.12             34         0              Normal
  01/26/2026 09 AM PST            8.12             34         0              Normal
  01/26/2026 10 AM PST            8.11             33         -              Normal
  01/26/2026 11 AM PST            8.11             33         0              Normal
  01/26/2026 12 PM PST            8.11             33         0              Normal
  01/26/2026 01 PM PST            8.11             33         0              Normal
  01/26/2026 02 PM PST            8.11             33         0              Normal
  01/26/2026 03 PM PST            8.11             33         0              Normal
  01/26/2026 04 PM PST            8.11             33         0              Normal
  01/26/2026 05 PM PST            8.11             33         0              Normal
  01/26/2026 06 PM PST            8.11             33         0              Normal
  01/26/2026 07 PM PST            8.11             33         0              Normal
  01/26/2026 08 PM PST            8.11             33         0              Normal
  01/26/2026 09 PM PST            8.10             32         -              Normal
  01/26/2026 10 PM PST            8.10             32         0              Normal
  01/26/2026 11 PM PST            8.10             32         0              Normal
  01/27/2026 12 AM PST            8.10             32         0              Normal
  01/27/2026 01 AM PST            8.10             32         0              Normal
  01/27/2026 02 AM PST            8.10             32         0              Normal
  01/27/2026 03 AM PST            8.10             32         0              Normal
  01/27/2026 04 AM PST            8.10             32         0              Normal
  01/27/2026 05 AM PST            8.10             32         0              Normal
  01/27/2026 06 AM PST            8.10             32         0              Normal
  01/27/2026 07 AM PST            8.10             32         0              Normal
  01/27/2026 08 AM PST            8.10             32         0              Normal
  01/27/2026 09 AM PST            8.09             31         -              Normal
  01/27/2026 10 AM PST            8.09             31         0              Normal
  01/27/2026 11 AM PST            8.09             31         0              Normal
  01/27/2026 12 PM PST            8.09             31         0              Normal
  01/27/2026 01 PM PST            8.09             31         0              Normal
  01/27/2026 02 PM PST            8.09             31         0              Normal
  01/27/2026 03 PM PST            8.09             31         0              Normal
  01/27/2026 04 PM PST            8.09             31         0              Normal
  01/27/2026 05 PM PST            8.09             31         0              Normal
  01/27/2026 06 PM PST            8.09             31         0              Normal
  01/27/2026 07 PM PST            8.09             31         0              Normal
  01/27/2026 08 PM PST            8.09             31         0              Normal
  01/27/2026 09 PM PST            8.09             31         0              Normal
  01/27/2026 10 PM PST            8.09             31         0              Normal
  01/27/2026 11 PM PST            8.08             30         -              Normal
  01/28/2026 12 AM PST            8.08             30         0              Normal
  01/28/2026 01 AM PST            8.08             30         0              Normal
  01/28/2026 02 AM PST            8.08             30         0              Normal
  01/28/2026 03 AM PST            8.08             30         0              Normal
  01/28/2026 04 AM PST            8.08             30         0              Normal
  01/28/2026 05 AM PST            8.08             30         0              Normal
  01/28/2026 06 AM PST            8.08             30         0              Normal
  01/28/2026 07 AM PST            8.08             30         0              Normal
  01/28/2026 08 AM PST            8.08             30         0              Normal
  01/28/2026 09 AM PST            8.08             30         0              Normal
  01/28/2026 10 AM PST            8.09             31         +              Normal
  01/28/2026 11 AM PST            8.09             31         0              Normal
  01/28/2026 12 PM PST            8.09             31         0              Normal
  01/28/2026 01 PM PST            8.09             31         0              Normal
  01/28/2026 02 PM PST            8.09             31         0              Normal
  01/28/2026 03 PM PST            8.09             31         0              Normal
  01/28/2026 04 PM PST            8.09             31         0              Normal
  01/28/2026 05 PM PST            8.10             32         +              Normal
  01/28/2026 06 PM PST            8.10             32         0              Normal
  01/28/2026 07 PM PST            8.10             32         0              Normal
  01/28/2026 08 PM PST            8.10             32         0              Normal
  01/28/2026 09 PM PST            8.10             32         0              Normal
  01/28/2026 10 PM PST            8.10             32         0              Normal
  01/28/2026 11 PM PST            8.10             32         0              Normal
  01/29/2026 12 AM PST            8.10             32         0              Normal
  01/29/2026 01 AM PST            8.10             32         0              Normal
  01/29/2026 02 AM PST            8.09             31         -              Normal
  01/29/2026 03 AM PST            8.09             31         0              Normal
  01/29/2026 04 AM PST            8.09             31         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.