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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: | Mar 23 2026 at 7:05 AM PDT | Next Issuance: | Mar 23 2026 at 3:00 PM 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: 03/23/2026 at 07:08 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 03/18/2026 at 05:00 PM PDT
# Maximum Observed Stage: 8.01 Feet
# Maximum Observed Flow: 55 cfs
#
# Earliest Date & Time of Maximum Forecast: 03/23/2026 at 07:00 AM PDT
# Maximum Forecast Stage: 7.88 Feet
# Maximum Forecast Flow: 38 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
03/18/2026 07 AM PDT 8.00 53 Normal
03/18/2026 08 AM PDT 8.00 53 0 Normal
03/18/2026 09 AM PDT 8.00 53 0 Normal
03/18/2026 10 AM PDT 8.00 53 0 Normal
03/18/2026 11 AM PDT 8.00 53 0 Normal
03/18/2026 12 PM PDT 8.01 55 + Normal
03/18/2026 01 PM PDT 8.01 55 0 Normal
03/18/2026 02 PM PDT 8.01 55 0 Normal
03/18/2026 03 PM PDT 8.01 55 0 Normal
03/18/2026 04 PM PDT 8.01 55 0 Normal
03/18/2026 05 PM PDT 8.01 55 0 Normal
03/18/2026 06 PM PDT 8.00 53 - Normal
03/18/2026 07 PM PDT 8.00 53 0 Normal
03/18/2026 08 PM PDT 7.99 52 - Normal
03/18/2026 09 PM PDT 7.99 52 0 Normal
03/18/2026 10 PM PDT 7.99 52 0 Normal
03/18/2026 11 PM PDT 7.99 52 0 Normal
03/19/2026 12 AM PDT 7.98 50 - Normal
03/19/2026 01 AM PDT 7.98 50 0 Normal
03/19/2026 02 AM PDT 7.98 50 0 Normal
03/19/2026 03 AM PDT 7.98 50 0 Normal
03/19/2026 04 AM PDT 7.98 50 0 Normal
03/19/2026 05 AM PDT 7.98 50 0 Normal
03/19/2026 06 AM PDT 7.98 50 0 Normal
03/19/2026 07 AM PDT 7.97 49 - Normal
03/19/2026 08 AM PDT 7.98 50 + Normal
03/19/2026 09 AM PDT 7.97 49 - Normal
03/19/2026 10 AM PDT 7.97 49 0 Normal
03/19/2026 11 AM PDT 7.98 50 + Normal
03/19/2026 12 PM PDT 7.98 50 0 Normal
03/19/2026 01 PM PDT 7.98 50 0 Normal
03/19/2026 02 PM PDT 7.98 50 0 Normal
03/19/2026 03 PM PDT 7.98 50 0 Normal
03/19/2026 04 PM PDT 7.98 50 0 Normal
03/19/2026 05 PM PDT 7.98 50 0 Normal
03/19/2026 06 PM PDT 7.98 50 0 Normal
03/19/2026 07 PM PDT 7.97 49 - Normal
03/19/2026 08 PM PDT 7.97 49 0 Normal
03/19/2026 09 PM PDT 7.97 49 0 Normal
03/19/2026 10 PM PDT 7.96 48 - Normal
03/19/2026 11 PM PDT 7.96 48 0 Normal
03/20/2026 12 AM PDT 7.96 48 0 Normal
03/20/2026 01 AM PDT 7.96 48 0 Normal
03/20/2026 02 AM PDT 7.96 48 0 Normal
03/20/2026 03 AM PDT 7.96 48 0 Normal
03/20/2026 04 AM PDT 7.96 48 0 Normal
03/20/2026 05 AM PDT 7.96 48 0 Normal
03/20/2026 06 AM PDT 7.95 46 - Normal
03/20/2026 07 AM PDT 7.95 46 0 Normal
03/20/2026 08 AM PDT 7.95 46 0 Normal
03/20/2026 09 AM PDT 7.95 46 0 Normal
03/20/2026 10 AM PDT 7.95 46 0 Normal
03/20/2026 11 AM PDT 7.95 46 0 Normal
03/20/2026 12 PM PDT 7.96 48 + Normal
03/20/2026 01 PM PDT 7.96 48 0 Normal
03/20/2026 02 PM PDT 7.96 48 0 Normal
03/20/2026 03 PM PDT 7.96 48 0 Normal
03/20/2026 04 PM PDT 7.96 48 0 Normal
03/20/2026 05 PM PDT 7.96 48 0 Normal
03/20/2026 06 PM PDT 7.96 48 0 Normal
03/20/2026 07 PM PDT 7.95 46 - Normal
03/20/2026 08 PM PDT 7.94 45 - Normal
03/20/2026 09 PM PDT 7.94 45 0 Normal
03/20/2026 10 PM PDT 7.94 45 0 Normal
03/20/2026 11 PM PDT 7.94 45 0 Normal
03/21/2026 12 AM PDT 7.94 45 0 Normal
03/21/2026 01 AM PDT 7.94 45 0 Normal
03/21/2026 02 AM PDT 7.93 44 - Normal
03/21/2026 03 AM PDT 7.93 44 0 Normal
03/21/2026 04 AM PDT 7.93 44 0 Normal
03/21/2026 05 AM PDT 7.93 44 0 Normal
03/21/2026 06 AM PDT 7.93 44 0 Normal
03/21/2026 07 AM PDT 7.93 44 0 Normal
03/21/2026 08 AM PDT 7.93 44 0 Normal
03/21/2026 09 AM PDT 7.93 44 0 Normal
03/21/2026 10 AM PDT 7.93 44 0 Normal
03/21/2026 11 AM PDT 7.93 44 0 Normal
03/21/2026 12 PM PDT 7.93 44 0 Normal
03/21/2026 01 PM PDT 7.94 45 + Normal
03/21/2026 02 PM PDT 7.94 45 0 Normal
03/21/2026 03 PM PDT 7.93 44 - Normal
03/21/2026 04 PM PDT 7.93 44 0 Normal
03/21/2026 05 PM PDT 7.93 44 0 Normal
03/21/2026 06 PM PDT 7.93 44 0 Normal
03/21/2026 07 PM PDT 7.93 44 0 Normal
03/21/2026 08 PM PDT 7.92 42 - Normal
03/21/2026 09 PM PDT 7.92 42 0 Normal
03/21/2026 10 PM PDT 7.91 41 - Normal
03/21/2026 11 PM PDT 7.91 41 0 Normal
03/22/2026 12 AM PDT 7.91 41 0 Normal
03/22/2026 01 AM PDT 7.91 41 0 Normal
03/22/2026 02 AM PDT 7.91 41 0 Normal
03/22/2026 03 AM PDT 7.91 41 0 Normal
03/22/2026 04 AM PDT 7.91 41 0 Normal
03/22/2026 05 AM PDT 7.91 41 0 Normal
03/22/2026 06 AM PDT 7.91 41 0 Normal
03/22/2026 07 AM PDT 7.90 40 - Normal
03/22/2026 08 AM PDT 7.90 40 0 Normal
03/22/2026 09 AM PDT 7.90 40 0 Normal
03/22/2026 10 AM PDT 7.90 40 0 Normal
03/22/2026 11 AM PDT 7.91 41 + Normal
03/22/2026 12 PM PDT 7.91 41 0 Normal
03/22/2026 01 PM PDT 7.91 41 0 Normal
03/22/2026 02 PM PDT 7.91 41 0 Normal
03/22/2026 03 PM PDT 7.91 41 0 Normal
03/22/2026 04 PM PDT 7.91 41 0 Normal
03/22/2026 05 PM PDT 7.91 41 0 Normal
03/22/2026 06 PM PDT 7.91 41 0 Normal
03/22/2026 07 PM PDT 7.90 40 - Normal
03/22/2026 08 PM PDT 7.90 40 0 Normal
03/22/2026 09 PM PDT 7.89 39 - Normal
03/22/2026 10 PM PDT 7.89 39 0 Normal
03/22/2026 11 PM PDT 7.89 39 0 Normal
03/23/2026 12 AM PDT 7.89 39 0 Normal
03/23/2026 01 AM PDT 7.89 39 0 Normal
03/23/2026 02 AM PDT 7.89 39 0 Normal
03/23/2026 03 AM PDT 7.89 39 0 Normal
03/23/2026 04 AM PDT 7.89 39 0 Normal
03/23/2026 05 AM PDT 7.88 38 - Normal
03/23/2026 06 AM PDT 7.88 38 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
03/23/2026 07 AM PDT 7.88 38 Normal
03/23/2026 08 AM PDT 7.88 38 0 Normal
03/23/2026 09 AM PDT 7.88 38 0 Normal
03/23/2026 10 AM PDT 7.88 38 0 Normal
03/23/2026 11 AM PDT 7.88 38 0 Normal
03/23/2026 12 PM PDT 7.88 38 0 Normal
03/23/2026 01 PM PDT 7.88 38 0 Normal
03/23/2026 02 PM PDT 7.88 38 0 Normal
03/23/2026 03 PM PDT 7.87 36 - Normal
03/23/2026 04 PM PDT 7.87 36 0 Normal
03/23/2026 05 PM PDT 7.87 36 0 Normal
03/23/2026 06 PM PDT 7.87 36 0 Normal
03/23/2026 07 PM PDT 7.87 36 0 Normal
03/23/2026 08 PM PDT 7.87 36 0 Normal
03/23/2026 09 PM PDT 7.87 36 0 Normal
03/23/2026 10 PM PDT 7.87 36 0 Normal
03/23/2026 11 PM PDT 7.87 36 0 Normal
03/24/2026 12 AM PDT 7.87 36 0 Normal
03/24/2026 01 AM PDT 7.87 36 0 Normal
03/24/2026 02 AM PDT 7.87 36 0 Normal
03/24/2026 03 AM PDT 7.87 36 0 Normal
03/24/2026 04 AM PDT 7.87 36 0 Normal
03/24/2026 05 AM PDT 7.87 36 0 Normal
03/24/2026 06 AM PDT 7.87 36 0 Normal
03/24/2026 07 AM PDT 7.87 36 0 Normal
03/24/2026 08 AM PDT 7.86 35 - Normal
03/24/2026 09 AM PDT 7.86 35 0 Normal
03/24/2026 10 AM PDT 7.86 35 0 Normal
03/24/2026 11 AM PDT 7.86 35 0 Normal
03/24/2026 12 PM PDT 7.86 35 0 Normal
03/24/2026 01 PM PDT 7.86 35 0 Normal
03/24/2026 02 PM PDT 7.86 35 0 Normal
03/24/2026 03 PM PDT 7.86 35 0 Normal
03/24/2026 04 PM PDT 7.86 35 0 Normal
03/24/2026 05 PM PDT 7.86 35 0 Normal
03/24/2026 06 PM PDT 7.86 35 0 Normal
03/24/2026 07 PM PDT 7.86 35 0 Normal
03/24/2026 08 PM PDT 7.86 35 0 Normal
03/24/2026 09 PM PDT 7.86 35 0 Normal
03/24/2026 10 PM PDT 7.86 35 0 Normal
03/24/2026 11 PM PDT 7.86 35 0 Normal
03/25/2026 12 AM PDT 7.86 35 0 Normal
03/25/2026 01 AM PDT 7.85 34 - Normal
03/25/2026 02 AM PDT 7.85 34 0 Normal
03/25/2026 03 AM PDT 7.85 34 0 Normal
03/25/2026 04 AM PDT 7.85 34 0 Normal
03/25/2026 05 AM PDT 7.85 34 0 Normal
03/25/2026 06 AM PDT 7.85 34 0 Normal
03/25/2026 07 AM PDT 7.85 34 0 Normal
03/25/2026 08 AM PDT 7.85 34 0 Normal
03/25/2026 09 AM PDT 7.85 34 0 Normal
03/25/2026 10 AM PDT 7.85 34 0 Normal
03/25/2026 11 AM PDT 7.85 34 0 Normal
03/25/2026 12 PM PDT 7.85 34 0 Normal
03/25/2026 01 PM PDT 7.85 34 0 Normal
03/25/2026 02 PM PDT 7.85 34 0 Normal
03/25/2026 03 PM PDT 7.85 34 0 Normal
03/25/2026 04 PM PDT 7.85 34 0 Normal
03/25/2026 05 PM PDT 7.85 34 0 Normal
03/25/2026 06 PM PDT 7.84 33 - Normal
03/25/2026 07 PM PDT 7.84 33 0 Normal
03/25/2026 08 PM PDT 7.84 33 0 Normal
03/25/2026 09 PM PDT 7.84 33 0 Normal
03/25/2026 10 PM PDT 7.84 33 0 Normal
03/25/2026 11 PM PDT 7.84 33 0 Normal
03/26/2026 12 AM PDT 7.84 33 0 Normal
03/26/2026 01 AM PDT 7.84 33 0 Normal
03/26/2026 02 AM PDT 7.84 33 0 Normal
03/26/2026 03 AM PDT 7.84 33 0 Normal
03/26/2026 04 AM PDT 7.84 33 0 Normal
03/26/2026 05 AM PDT 7.84 33 0 Normal
03/26/2026 06 AM PDT 7.84 33 0 Normal
03/26/2026 07 AM PDT 7.84 33 0 Normal
03/26/2026 08 AM PDT 7.84 33 0 Normal
03/26/2026 09 AM PDT 7.84 33 0 Normal
03/26/2026 10 AM PDT 7.84 33 0 Normal
03/26/2026 11 AM PDT 7.84 33 0 Normal
03/26/2026 12 PM PDT 7.84 33 0 Normal
03/26/2026 01 PM PDT 7.84 33 0 Normal
03/26/2026 02 PM PDT 7.84 33 0 Normal
03/26/2026 03 PM PDT 7.83 32 - Normal
03/26/2026 04 PM PDT 7.83 32 0 Normal
03/26/2026 05 PM PDT 7.83 32 0 Normal
03/26/2026 06 PM PDT 7.83 32 0 Normal
03/26/2026 07 PM PDT 7.83 32 0 Normal
03/26/2026 08 PM PDT 7.83 32 0 Normal
03/26/2026 09 PM PDT 7.83 32 0 Normal
03/26/2026 10 PM PDT 7.83 32 0 Normal
03/26/2026 11 PM PDT 7.83 32 0 Normal
03/27/2026 12 AM PDT 7.83 32 0 Normal
03/27/2026 01 AM PDT 7.83 32 0 Normal
03/27/2026 02 AM PDT 7.83 32 0 Normal
03/27/2026 03 AM PDT 7.83 32 0 Normal
03/27/2026 04 AM PDT 7.83 32 0 Normal
03/27/2026 05 AM PDT 7.83 32 0 Normal
03/27/2026 06 AM PDT 7.83 32 0 Normal
03/27/2026 07 AM PDT 7.83 32 0 Normal
03/27/2026 08 AM PDT 7.83 32 0 Normal
03/27/2026 09 AM PDT 7.83 32 0 Normal
03/27/2026 10 AM PDT 7.83 32 0 Normal
03/27/2026 11 AM PDT 7.83 32 0 Normal
03/27/2026 12 PM PDT 7.83 32 0 Normal
03/27/2026 01 PM PDT 7.83 32 0 Normal
03/27/2026 02 PM PDT 7.83 32 0 Normal
03/27/2026 03 PM PDT 7.83 32 0 Normal
03/27/2026 04 PM PDT 7.83 32 0 Normal
03/27/2026 05 PM PDT 7.82 31 - Normal
03/27/2026 06 PM PDT 7.82 31 0 Normal
03/27/2026 07 PM PDT 7.82 31 0 Normal
03/27/2026 08 PM PDT 7.82 31 0 Normal
03/27/2026 09 PM PDT 7.82 31 0 Normal
03/27/2026 10 PM PDT 7.82 31 0 Normal
03/27/2026 11 PM PDT 7.82 31 0 Normal
03/28/2026 12 AM PDT 7.82 31 0 Normal
03/28/2026 01 AM PDT 7.82 31 0 Normal
03/28/2026 02 AM PDT 7.82 31 0 Normal
03/28/2026 03 AM PDT 7.82 31 0 Normal
03/28/2026 04 AM PDT 7.82 31 0 Normal
03/28/2026 05 AM PDT 7.82 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.
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