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: Dec 04 2025 at 1:14 PM PSTNext Issuance: Dec 05 2025 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:  12/04/2025 at 01:17 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/29/2025 at 02:00 PM PST
# Maximum Observed Stage:                       7.95 Feet
# Maximum Observed Flow:                        5 cfs
#
# Earliest Date & Time of Maximum Forecast:     12/04/2025 at 02:00 PM PST
# Maximum Forecast Stage:                       7.91 Feet
# Maximum Forecast Flow:                        4 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/29/2025 01 PM PST            7.94              5                        Normal
  11/29/2025 02 PM PST            7.95              5         +              Normal
  11/29/2025 03 PM PST            7.94              5         -              Normal
  11/29/2025 04 PM PST            7.94              5         0              Normal
  11/29/2025 05 PM PST            7.94              5         0              Normal
  11/29/2025 06 PM PST            7.93              5         -              Normal
  11/29/2025 07 PM PST            7.93              5         0              Normal
  11/29/2025 08 PM PST            7.93              5         0              Normal
  11/29/2025 09 PM PST            7.93              5         0              Normal
  11/29/2025 10 PM PST            7.93              5         0              Normal
  11/29/2025 11 PM PST            7.93              5         0              Normal
  11/30/2025 12 AM PST            7.93              5         0              Normal
  11/30/2025 01 AM PST            7.93              5         0              Normal
  11/30/2025 02 AM PST            7.93              5         0              Normal
  11/30/2025 03 AM PST            7.93              5         0              Normal
  11/30/2025 04 AM PST            7.92              4         -              Normal
  11/30/2025 05 AM PST            7.92              4         0              Normal
  11/30/2025 06 AM PST            7.92              4         0              Normal
  11/30/2025 07 AM PST            7.92              4         0              Normal
  11/30/2025 08 AM PST            7.92              4         0              Normal
  11/30/2025 09 AM PST            7.92              4         0              Normal
  11/30/2025 10 AM PST            7.92              4         0              Normal
  11/30/2025 11 AM PST            7.92              4         0              Normal
  11/30/2025 12 PM PST            7.92              4         0              Normal
  11/30/2025 01 PM PST            7.93              5         +              Normal
  11/30/2025 02 PM PST            7.93              5         0              Normal
  11/30/2025 03 PM PST            7.93              5         0              Normal
  11/30/2025 04 PM PST            7.93              5         0              Normal
  11/30/2025 05 PM PST            7.93              5         0              Normal
  11/30/2025 06 PM PST            7.93              5         0              Normal
  11/30/2025 07 PM PST            7.93              5         0              Normal
  11/30/2025 08 PM PST            7.93              5         0              Normal
  11/30/2025 09 PM PST            7.93              5         0              Normal
  11/30/2025 10 PM PST            7.93              5         0              Normal
  11/30/2025 11 PM PST            7.93              5         0              Normal
  12/01/2025 12 AM PST            7.92              4         -              Normal
  12/01/2025 01 AM PST            7.92              4         0              Normal
  12/01/2025 02 AM PST            7.92              4         0              Normal
  12/01/2025 03 AM PST            7.92              4         0              Normal
  12/01/2025 04 AM PST            7.92              4         0              Normal
  12/01/2025 05 AM PST            7.91              4         -              Normal
  12/01/2025 06 AM PST            7.91              4         0              Normal
  12/01/2025 07 AM PST            7.91              4         0              Normal
  12/01/2025 08 AM PST            7.91              4         0              Normal
  12/01/2025 09 AM PST            7.91              4         0              Normal
  12/01/2025 10 AM PST            7.91              4         0              Normal
  12/01/2025 11 AM PST            7.91              4         0              Normal
  12/01/2025 12 PM PST            7.91              4         0              Normal
  12/01/2025 01 PM PST            7.91              4         0              Normal
  12/01/2025 02 PM PST            7.91              4         0              Normal
  12/01/2025 03 PM PST            7.91              4         0              Normal
  12/01/2025 04 PM PST            7.91              4         0              Normal
  12/01/2025 05 PM PST            7.90              4         -              Normal
  12/01/2025 06 PM PST            7.91              4         +              Normal
  12/01/2025 07 PM PST            7.91              4         0              Normal
  12/01/2025 08 PM PST            7.91              4         0              Normal
  12/01/2025 09 PM PST            7.91              4         0              Normal
  12/01/2025 10 PM PST            7.91              4         0              Normal
  12/01/2025 11 PM PST            7.91              4         0              Normal
  12/02/2025 12 AM PST            7.91              4         0              Normal
  12/02/2025 01 AM PST            7.90              4         -              Normal
  12/02/2025 02 AM PST            7.90              4         0              Normal
  12/02/2025 03 AM PST            7.90              4         0              Normal
  12/02/2025 04 AM PST            7.90              4         0              Normal
  12/02/2025 05 AM PST            7.90              4         0              Normal
  12/02/2025 06 AM PST            7.89              3         -              Normal
  12/02/2025 07 AM PST            7.89              3         0              Normal
  12/02/2025 08 AM PST            7.89              3         0              Normal
  12/02/2025 09 AM PST            7.89              3         0              Normal
  12/02/2025 10 AM PST            7.90              4         +              Normal
  12/02/2025 11 AM PST            7.90              4         0              Normal
  12/02/2025 12 PM PST            7.90              4         0              Normal
  12/02/2025 01 PM PST            7.90              4         0              Normal
  12/02/2025 02 PM PST            7.90              4         0              Normal
  12/02/2025 03 PM PST            7.90              4         0              Normal
  12/02/2025 04 PM PST            7.90              4         0              Normal
  12/02/2025 05 PM PST            7.90              4         0              Normal
  12/02/2025 06 PM PST            7.89              3         -              Normal
  12/02/2025 07 PM PST            7.89              3         0              Normal
  12/02/2025 08 PM PST            7.89              3         0              Normal
  12/02/2025 09 PM PST            7.89              3         0              Normal
  12/02/2025 10 PM PST            7.89              3         0              Normal
  12/02/2025 11 PM PST            7.90              4         +              Normal
  12/03/2025 12 AM PST            7.90              4         0              Normal
  12/03/2025 01 AM PST            7.90              4         0              Normal
  12/03/2025 02 AM PST            7.90              4         0              Normal
  12/03/2025 03 AM PST            7.90              4         0              Normal
  12/03/2025 04 AM PST            7.90              4         0              Normal
  12/03/2025 05 AM PST            7.90              4         0              Normal
  12/03/2025 06 AM PST            7.90              4         0              Normal
  12/03/2025 07 AM PST            7.89              3         -              Normal
  12/03/2025 08 AM PST            7.90              4         +              Normal
  12/03/2025 09 AM PST            7.90              4         0              Normal
  12/03/2025 10 AM PST            7.90              4         0              Normal
  12/03/2025 11 AM PST            7.90              4         0              Normal
  12/03/2025 12 PM PST            7.90              4         0              Normal
  12/03/2025 01 PM PST            7.90              4         0              Normal
  12/03/2025 02 PM PST            7.90              4         0              Normal
  12/03/2025 03 PM PST            7.90              4         0              Normal
  12/03/2025 04 PM PST            7.90              4         0              Normal
  12/03/2025 05 PM PST            7.90              4         0              Normal
  12/03/2025 06 PM PST            7.90              4         0              Normal
  12/03/2025 07 PM PST            7.90              4         0              Normal
  12/03/2025 08 PM PST            7.90              4         0              Normal
  12/03/2025 09 PM PST            7.90              4         0              Normal
  12/03/2025 10 PM PST            7.90              4         0              Normal
  12/03/2025 11 PM PST            7.90              4         0              Normal
  12/04/2025 12 AM PST            7.90              4         0              Normal
  12/04/2025 01 AM PST            7.90              4         0              Normal
  12/04/2025 02 AM PST            7.90              4         0              Normal
  12/04/2025 03 AM PST            7.90              4         0              Normal
  12/04/2025 04 AM PST            7.90              4         0              Normal
  12/04/2025 05 AM PST            7.90              4         0              Normal
  12/04/2025 06 AM PST            7.90              4         0              Normal
  12/04/2025 07 AM PST            7.90              4         0              Normal
  12/04/2025 08 AM PST            7.90              4         0              Normal
  12/04/2025 09 AM PST            7.90              4         0              Normal
  12/04/2025 10 AM PST            7.90              4         0              Normal
  12/04/2025 11 AM PST            7.90              4         0              Normal
  12/04/2025 12 PM PST            7.91              4         +              Normal
  12/04/2025 01 PM PST            7.91              4         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/04/2025 02 PM PST            7.91              4                        Normal
  12/04/2025 03 PM PST            7.91              4         0              Normal
  12/04/2025 04 PM PST            7.91              4         0              Normal
  12/04/2025 05 PM PST            7.91              4         0              Normal
  12/04/2025 06 PM PST            7.91              4         0              Normal
  12/04/2025 07 PM PST            7.91              4         0              Normal
  12/04/2025 08 PM PST            7.90              4         -              Normal
  12/04/2025 09 PM PST            7.90              4         0              Normal
  12/04/2025 10 PM PST            7.90              4         0              Normal
  12/04/2025 11 PM PST            7.90              4         0              Normal
  12/05/2025 12 AM PST            7.90              4         0              Normal
  12/05/2025 01 AM PST            7.90              4         0              Normal
  12/05/2025 02 AM PST            7.90              4         0              Normal
  12/05/2025 03 AM PST            7.90              4         0              Normal
  12/05/2025 04 AM PST            7.90              4         0              Normal
  12/05/2025 05 AM PST            7.90              4         0              Normal
  12/05/2025 06 AM PST            7.90              4         0              Normal
  12/05/2025 07 AM PST            7.90              4         0              Normal
  12/05/2025 08 AM PST            7.90              4         0              Normal
  12/05/2025 09 AM PST            7.90              4         0              Normal
  12/05/2025 10 AM PST            7.89              3         -              Normal
  12/05/2025 11 AM PST            7.89              3         0              Normal
  12/05/2025 12 PM PST            7.89              3         0              Normal
  12/05/2025 01 PM PST            7.89              3         0              Normal
  12/05/2025 02 PM PST            7.89              3         0              Normal
  12/05/2025 03 PM PST            7.89              3         0              Normal
  12/05/2025 04 PM PST            7.89              3         0              Normal
  12/05/2025 05 PM PST            7.89              3         0              Normal
  12/05/2025 06 PM PST            7.89              3         0              Normal
  12/05/2025 07 PM PST            7.89              3         0              Normal
  12/05/2025 08 PM PST            7.89              3         0              Normal
  12/05/2025 09 PM PST            7.89              3         0              Normal
  12/05/2025 10 PM PST            7.89              3         0              Normal
  12/05/2025 11 PM PST            7.89              3         0              Normal
  12/06/2025 12 AM PST            7.89              3         0              Normal
  12/06/2025 01 AM PST            7.89              3         0              Normal
  12/06/2025 02 AM PST            7.89              3         0              Normal
  12/06/2025 03 AM PST            7.89              3         0              Normal
  12/06/2025 04 AM PST            7.88              3         -              Normal
  12/06/2025 05 AM PST            7.88              3         0              Normal
  12/06/2025 06 AM PST            7.88              3         0              Normal
  12/06/2025 07 AM PST            7.88              3         0              Normal
  12/06/2025 08 AM PST            7.88              3         0              Normal
  12/06/2025 09 AM PST            7.88              3         0              Normal
  12/06/2025 10 AM PST            7.88              3         0              Normal
  12/06/2025 11 AM PST            7.88              3         0              Normal
  12/06/2025 12 PM PST            7.88              3         0              Normal
  12/06/2025 01 PM PST            7.88              3         0              Normal
  12/06/2025 02 PM PST            7.88              3         0              Normal
  12/06/2025 03 PM PST            7.88              3         0              Normal
  12/06/2025 04 PM PST            7.88              3         0              Normal
  12/06/2025 05 PM PST            7.88              3         0              Normal
  12/06/2025 06 PM PST            7.88              3         0              Normal
  12/06/2025 07 PM PST            7.88              3         0              Normal
  12/06/2025 08 PM PST            7.88              3         0              Normal
  12/06/2025 09 PM PST            7.88              3         0              Normal
  12/06/2025 10 PM PST            7.88              3         0              Normal
  12/06/2025 11 PM PST            7.88              3         0              Normal
  12/07/2025 12 AM PST            7.88              3         0              Normal
  12/07/2025 01 AM PST            7.88              3         0              Normal
  12/07/2025 02 AM PST            7.87              3         -              Normal
  12/07/2025 03 AM PST            7.87              3         0              Normal
  12/07/2025 04 AM PST            7.87              3         0              Normal
  12/07/2025 05 AM PST            7.87              3         0              Normal
  12/07/2025 06 AM PST            7.87              3         0              Normal
  12/07/2025 07 AM PST            7.87              3         0              Normal
  12/07/2025 08 AM PST            7.87              3         0              Normal
  12/07/2025 09 AM PST            7.87              3         0              Normal
  12/07/2025 10 AM PST            7.87              3         0              Normal
  12/07/2025 11 AM PST            7.87              3         0              Normal
  12/07/2025 12 PM PST            7.87              3         0              Normal
  12/07/2025 01 PM PST            7.87              3         0              Normal
  12/07/2025 02 PM PST            7.87              3         0              Normal
  12/07/2025 03 PM PST            7.87              3         0              Normal
  12/07/2025 04 PM PST            7.87              3         0              Normal
  12/07/2025 05 PM PST            7.87              3         0              Normal
  12/07/2025 06 PM PST            7.87              3         0              Normal
  12/07/2025 07 PM PST            7.87              3         0              Normal
  12/07/2025 08 PM PST            7.87              3         0              Normal
  12/07/2025 09 PM PST            7.87              3         0              Normal
  12/07/2025 10 PM PST            7.87              3         0              Normal
  12/07/2025 11 PM PST            7.87              3         0              Normal
  12/08/2025 12 AM PST            7.87              3         0              Normal
  12/08/2025 01 AM PST            7.87              3         0              Normal
  12/08/2025 02 AM PST            7.87              3         0              Normal
  12/08/2025 03 AM PST            7.87              3         0              Normal
  12/08/2025 04 AM PST            7.87              3         0              Normal
  12/08/2025 05 AM PST            7.87              3         0              Normal
  12/08/2025 06 AM PST            7.87              3         0              Normal
  12/08/2025 07 AM PST            7.86              3         -              Normal
  12/08/2025 08 AM PST            7.86              3         0              Normal
  12/08/2025 09 AM PST            7.86              3         0              Normal
  12/08/2025 10 AM PST            7.86              3         0              Normal
  12/08/2025 11 AM PST            7.86              3         0              Normal
  12/08/2025 12 PM PST            7.86              3         0              Normal
  12/08/2025 01 PM PST            7.86              3         0              Normal
  12/08/2025 02 PM PST            7.86              3         0              Normal
  12/08/2025 03 PM PST            7.86              3         0              Normal
  12/08/2025 04 PM PST            7.86              3         0              Normal
  12/08/2025 05 PM PST            7.86              3         0              Normal
  12/08/2025 06 PM PST            7.86              3         0              Normal
  12/08/2025 07 PM PST            7.86              3         0              Normal
  12/08/2025 08 PM PST            7.86              3         0              Normal
  12/08/2025 09 PM PST            7.86              3         0              Normal
  12/08/2025 10 PM PST            7.86              3         0              Normal
  12/08/2025 11 PM PST            7.86              3         0              Normal
  12/09/2025 12 AM PST            7.86              3         0              Normal
  12/09/2025 01 AM PST            7.86              3         0              Normal
  12/09/2025 02 AM PST            7.86              3         0              Normal
  12/09/2025 03 AM PST            7.86              3         0              Normal
  12/09/2025 04 AM PST            7.86              3         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.