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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 15 2026 at 1:36 PM PDT | Next Issuance: | Apr 16 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: 04/15/2026 at 01:38 PM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/12/2026 at 03:00 PM PDT
# Maximum Observed Stage: 8.59 Feet
# Maximum Observed Flow: 185 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/15/2026 at 02:00 PM PDT
# Maximum Forecast Stage: 7.82 Feet
# Maximum Forecast Flow: 31 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/10/2026 01 PM PDT 7.62 14 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 8.53 167 - Normal
04/12/2026 10 AM PDT 8.51 161 - Normal
04/12/2026 11 AM PDT 8.53 167 + Normal
04/12/2026 12 PM PDT 8.55 173 + Normal
04/12/2026 01 PM PDT 8.56 176 + Normal
04/12/2026 02 PM PDT 8.58 182 + Normal
04/12/2026 03 PM PDT 8.59 185 + Normal
04/12/2026 04 PM PDT 8.57 179 - Normal
04/12/2026 05 PM PDT 8.54 170 - Normal
04/12/2026 06 PM PDT 8.51 161 - Normal
04/12/2026 07 PM PDT 8.47 150 - Normal
04/12/2026 08 PM PDT 8.43 139 - Normal
04/12/2026 09 PM PDT 8.40 132 - Normal
04/12/2026 10 PM PDT 8.36 122 - Normal
04/12/2026 11 PM PDT 8.33 115 - Normal
04/13/2026 12 AM PDT 8.31 110 - Normal
04/13/2026 01 AM PDT 8.28 104 - Normal
04/13/2026 02 AM PDT 8.26 100 - Normal
04/13/2026 03 AM PDT 8.24 95 - Normal
04/13/2026 04 AM PDT 8.22 91 - Normal
04/13/2026 05 AM PDT 8.20 87 - Normal
04/13/2026 06 AM PDT 8.18 84 - Normal
04/13/2026 07 AM PDT 8.16 80 - Normal
04/13/2026 08 AM PDT 8.15 78 - Normal
04/13/2026 09 AM PDT 8.13 74 - Normal
04/13/2026 10 AM PDT 8.12 73 - Normal
04/13/2026 11 AM PDT 8.11 71 - Normal
04/13/2026 12 PM PDT 8.10 69 - Normal
04/13/2026 01 PM PDT 8.09 67 - Normal
04/13/2026 02 PM PDT 8.08 66 - Normal
04/13/2026 03 PM PDT 8.07 64 - Normal
04/13/2026 04 PM PDT 8.06 63 - Normal
04/13/2026 05 PM PDT 8.05 61 - Normal
04/13/2026 06 PM PDT 8.04 59 - Normal
04/13/2026 07 PM PDT 8.03 58 - Normal
04/13/2026 08 PM PDT 8.02 56 - Normal
04/13/2026 09 PM PDT 8.01 55 - Normal
04/13/2026 10 PM PDT 8.00 53 - Normal
04/13/2026 11 PM PDT 7.99 52 - Normal
04/14/2026 12 AM PDT 7.98 50 - Normal
04/14/2026 01 AM PDT 7.98 50 0 Normal
04/14/2026 02 AM PDT 7.97 49 - Normal
04/14/2026 03 AM PDT 7.96 48 - Normal
04/14/2026 04 AM PDT 7.96 48 0 Normal
04/14/2026 05 AM PDT 7.95 46 - Normal
04/14/2026 06 AM PDT 7.94 45 - Normal
04/14/2026 07 AM PDT 7.93 44 - Normal
04/14/2026 08 AM PDT 7.93 44 0 Normal
04/14/2026 09 AM PDT 7.93 44 0 Normal
04/14/2026 10 AM PDT 7.92 42 - Normal
04/14/2026 11 AM PDT 7.92 42 0 Normal
04/14/2026 12 PM PDT 7.92 42 0 Normal
04/14/2026 01 PM PDT 7.92 42 0 Normal
04/14/2026 02 PM PDT 7.91 41 - Normal
04/14/2026 03 PM PDT 7.90 40 - Normal
04/14/2026 04 PM PDT 7.90 40 0 Normal
04/14/2026 05 PM PDT 7.89 39 - Normal
04/14/2026 06 PM PDT 7.89 39 0 Normal
04/14/2026 07 PM PDT 7.88 38 - Normal
04/14/2026 08 PM PDT 7.88 38 0 Normal
04/14/2026 09 PM PDT 7.87 36 - Normal
04/14/2026 10 PM PDT 7.86 35 - Normal
04/14/2026 11 PM PDT 7.86 35 0 Normal
04/15/2026 12 AM PDT 7.86 35 0 Normal
04/15/2026 01 AM PDT 7.85 34 - Normal
04/15/2026 02 AM PDT 7.85 34 0 Normal
04/15/2026 03 AM PDT 7.85 34 0 Normal
04/15/2026 04 AM PDT 7.84 33 - Normal
04/15/2026 05 AM PDT 7.84 33 0 Normal
04/15/2026 06 AM PDT 7.84 33 0 Normal
04/15/2026 07 AM PDT 7.83 32 - Normal
04/15/2026 08 AM PDT 7.83 32 0 Normal
04/15/2026 09 AM PDT 7.83 32 0 Normal
04/15/2026 10 AM PDT 7.83 32 0 Normal
04/15/2026 11 AM PDT 7.83 32 0 Normal
04/15/2026 12 PM PDT 7.82 31 - Normal
04/15/2026 01 PM PDT 7.82 31 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/15/2026 02 PM PDT 7.82 31 Normal
04/15/2026 03 PM PDT 7.81 30 - Normal
04/15/2026 04 PM PDT 7.81 30 0 Normal
04/15/2026 05 PM PDT 7.81 30 0 Normal
04/15/2026 06 PM PDT 7.80 29 - Normal
04/15/2026 07 PM PDT 7.80 29 0 Normal
04/15/2026 08 PM PDT 7.80 29 0 Normal
04/15/2026 09 PM PDT 7.79 28 - Normal
04/15/2026 10 PM PDT 7.79 28 0 Normal
04/15/2026 11 PM PDT 7.79 28 0 Normal
04/16/2026 12 AM PDT 7.79 28 0 Normal
04/16/2026 01 AM PDT 7.78 27 - Normal
04/16/2026 02 AM PDT 7.78 27 0 Normal
04/16/2026 03 AM PDT 7.78 27 0 Normal
04/16/2026 04 AM PDT 7.78 27 0 Normal
04/16/2026 05 AM PDT 7.77 26 - Normal
04/16/2026 06 AM PDT 7.77 26 0 Normal
04/16/2026 07 AM PDT 7.77 26 0 Normal
04/16/2026 08 AM PDT 7.76 25 - Normal
04/16/2026 09 AM PDT 7.76 25 0 Normal
04/16/2026 10 AM PDT 7.75 24 - Normal
04/16/2026 11 AM PDT 7.75 24 0 Normal
04/16/2026 12 PM PDT 7.75 24 0 Normal
04/16/2026 01 PM PDT 7.75 24 0 Normal
04/16/2026 02 PM PDT 7.75 24 0 Normal
04/16/2026 03 PM PDT 7.74 23 - Normal
04/16/2026 04 PM PDT 7.74 23 0 Normal
04/16/2026 05 PM PDT 7.74 23 0 Normal
04/16/2026 06 PM PDT 7.74 23 0 Normal
04/16/2026 07 PM PDT 7.74 23 0 Normal
04/16/2026 08 PM PDT 7.73 22 - Normal
04/16/2026 09 PM PDT 7.73 22 0 Normal
04/16/2026 10 PM PDT 7.73 22 0 Normal
04/16/2026 11 PM PDT 7.72 21 - Normal
04/17/2026 12 AM PDT 7.72 21 0 Normal
04/17/2026 01 AM PDT 7.72 21 0 Normal
04/17/2026 02 AM PDT 7.72 21 0 Normal
04/17/2026 03 AM PDT 7.71 20 - Normal
04/17/2026 04 AM PDT 7.71 20 0 Normal
04/17/2026 05 AM PDT 7.71 20 0 Normal
04/17/2026 06 AM PDT 7.71 20 0 Normal
04/17/2026 07 AM PDT 7.71 20 0 Normal
04/17/2026 08 AM PDT 7.71 20 0 Normal
04/17/2026 09 AM PDT 7.70 20 - Normal
04/17/2026 10 AM PDT 7.70 20 0 Normal
04/17/2026 11 AM PDT 7.70 20 0 Normal
04/17/2026 12 PM PDT 7.70 20 0 Normal
04/17/2026 01 PM PDT 7.69 19 - Normal
04/17/2026 02 PM PDT 7.69 19 0 Normal
04/17/2026 03 PM PDT 7.69 19 0 Normal
04/17/2026 04 PM PDT 7.69 19 0 Normal
04/17/2026 05 PM PDT 7.68 18 - Normal
04/17/2026 06 PM PDT 7.68 18 0 Normal
04/17/2026 07 PM PDT 7.68 18 0 Normal
04/17/2026 08 PM PDT 7.68 18 0 Normal
04/17/2026 09 PM PDT 7.67 17 - Normal
04/17/2026 10 PM PDT 7.67 17 0 Normal
04/17/2026 11 PM PDT 7.67 17 0 Normal
04/18/2026 12 AM PDT 7.67 17 0 Normal
04/18/2026 01 AM PDT 7.67 17 0 Normal
04/18/2026 02 AM PDT 7.66 17 - Normal
04/18/2026 03 AM PDT 7.66 17 0 Normal
04/18/2026 04 AM PDT 7.66 17 0 Normal
04/18/2026 05 AM PDT 7.66 17 0 Normal
04/18/2026 06 AM PDT 7.66 17 0 Normal
04/18/2026 07 AM PDT 7.66 17 0 Normal
04/18/2026 08 AM PDT 7.66 17 0 Normal
04/18/2026 09 AM PDT 7.65 16 - Normal
04/18/2026 10 AM PDT 7.65 16 0 Normal
04/18/2026 11 AM PDT 7.65 16 0 Normal
04/18/2026 12 PM PDT 7.65 16 0 Normal
04/18/2026 01 PM PDT 7.64 15 - Normal
04/18/2026 02 PM PDT 7.64 15 0 Normal
04/18/2026 03 PM PDT 7.64 15 0 Normal
04/18/2026 04 PM PDT 7.64 15 0 Normal
04/18/2026 05 PM PDT 7.64 15 0 Normal
04/18/2026 06 PM PDT 7.64 15 0 Normal
04/18/2026 07 PM PDT 7.64 15 0 Normal
04/18/2026 08 PM PDT 7.63 15 - Normal
04/18/2026 09 PM PDT 7.63 15 0 Normal
04/18/2026 10 PM PDT 7.63 15 0 Normal
04/18/2026 11 PM PDT 7.63 15 0 Normal
04/19/2026 12 AM PDT 7.63 15 0 Normal
04/19/2026 01 AM PDT 7.63 15 0 Normal
04/19/2026 02 AM PDT 7.63 15 0 Normal
04/19/2026 03 AM PDT 7.63 15 0 Normal
04/19/2026 04 AM PDT 7.62 14 - Normal
04/19/2026 05 AM PDT 7.62 14 0 Normal
04/19/2026 06 AM PDT 7.62 14 0 Normal
04/19/2026 07 AM PDT 7.62 14 0 Normal
04/19/2026 08 AM PDT 7.62 14 0 Normal
04/19/2026 09 AM PDT 7.62 14 0 Normal
04/19/2026 10 AM PDT 7.62 14 0 Normal
04/19/2026 11 AM PDT 7.62 14 0 Normal
04/19/2026 12 PM PDT 7.62 14 0 Normal
04/19/2026 01 PM PDT 7.62 14 0 Normal
04/19/2026 02 PM PDT 7.62 14 0 Normal
04/19/2026 03 PM PDT 7.62 14 0 Normal
04/19/2026 04 PM PDT 7.62 14 0 Normal
04/19/2026 05 PM PDT 7.62 14 0 Normal
04/19/2026 06 PM PDT 7.62 14 0 Normal
04/19/2026 07 PM PDT 7.62 14 0 Normal
04/19/2026 08 PM PDT 7.62 14 0 Normal
04/19/2026 09 PM PDT 7.62 14 0 Normal
04/19/2026 10 PM PDT 7.62 14 0 Normal
04/19/2026 11 PM PDT 7.62 14 0 Normal
04/20/2026 12 AM PDT 7.62 14 0 Normal
04/20/2026 01 AM PDT 7.62 14 0 Normal
04/20/2026 02 AM PDT 7.62 14 0 Normal
04/20/2026 03 AM PDT 7.62 14 0 Normal
04/20/2026 04 AM PDT 7.61 13 - Normal
04/20/2026 05 AM PDT 7.61 13 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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