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

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SANTA ANA RIVER - SAN BERNARDINO AT E STREET (SREC1)
Latitude: 34.07º NLongitude: 117.29º WElevation: 940 FeetForecast Type: Unofficial Location
Location: San Bernardino County in CaliforniaBulletin Group: Southern CaliforniaRiver Group: Southern California
Issuance Time: Apr 21 2026 at 7:23 AM PDTNext Issuance: Apr 22 2026 at 9:00 AM PDT
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Santa Ana River - San Bernardino at E Street (SREC1)
#
# File Generation Time:  04/21/2026 at 07:25 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/19/2026 at 06:00 PM PDT
# Maximum Observed Stage:                       2.68 Feet
# Maximum Observed Flow:                        8 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/22/2026 at 12:00 AM PDT
# Maximum Forecast Stage:                       3.30 Feet
# Maximum Forecast Flow:                        103 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/16/2026 07 AM PDT            2.59              4                Not Applicable
  04/16/2026 08 AM PDT            2.62              5         +      Not Applicable
  04/16/2026 09 AM PDT            2.62              5         0      Not Applicable
  04/16/2026 10 AM PDT            2.64              6         +      Not Applicable
  04/16/2026 11 AM PDT            2.65              7         +      Not Applicable
  04/16/2026 12 PM PDT            2.64              6         -      Not Applicable
  04/16/2026 01 PM PDT            2.64              6         0      Not Applicable
  04/16/2026 02 PM PDT            2.64              6         0      Not Applicable
  04/16/2026 03 PM PDT            2.65              7         +      Not Applicable
  04/16/2026 04 PM PDT            2.65              7         0      Not Applicable
  04/16/2026 05 PM PDT            2.65              7         0      Not Applicable
  04/16/2026 06 PM PDT            2.64              6         -      Not Applicable
  04/16/2026 07 PM PDT            2.64              6         0      Not Applicable
  04/16/2026 08 PM PDT            2.63              6         -      Not Applicable
  04/16/2026 09 PM PDT            2.64              6         +      Not Applicable
  04/16/2026 10 PM PDT            2.63              6         -      Not Applicable
  04/16/2026 11 PM PDT            2.63              6         0      Not Applicable
  04/17/2026 12 AM PDT            2.62              5         -      Not Applicable
  04/17/2026 01 AM PDT            2.61              5         -      Not Applicable
  04/17/2026 02 AM PDT            2.60              5         -      Not Applicable
  04/17/2026 03 AM PDT            2.59              4         -      Not Applicable
  04/17/2026 04 AM PDT            2.57              4         -      Not Applicable
  04/17/2026 05 AM PDT            2.58              4         +      Not Applicable
  04/17/2026 06 AM PDT            2.58              4         0      Not Applicable
  04/17/2026 07 AM PDT            2.59              4         +      Not Applicable
  04/17/2026 08 AM PDT            2.63              6         +      Not Applicable
  04/17/2026 09 AM PDT            2.63              6         0      Not Applicable
  04/17/2026 10 AM PDT            2.64              6         +      Not Applicable
  04/17/2026 11 AM PDT            2.64              6         0      Not Applicable
  04/17/2026 12 PM PDT            2.64              6         0      Not Applicable
  04/17/2026 01 PM PDT            2.64              6         0      Not Applicable
  04/17/2026 02 PM PDT            2.63              6         -      Not Applicable
  04/17/2026 03 PM PDT            2.64              6         +      Not Applicable
  04/17/2026 04 PM PDT            2.64              6         0      Not Applicable
  04/17/2026 05 PM PDT            2.64              6         0      Not Applicable
  04/17/2026 06 PM PDT            2.63              6         -      Not Applicable
  04/17/2026 07 PM PDT            2.62              5         -      Not Applicable
  04/17/2026 08 PM PDT            2.61              5         -      Not Applicable
  04/17/2026 09 PM PDT            2.61              5         0      Not Applicable
  04/17/2026 10 PM PDT            2.59              4         -      Not Applicable
  04/17/2026 11 PM PDT            2.55              3         -      Not Applicable
  04/18/2026 12 AM PDT            2.53              3         -      Not Applicable
  04/18/2026 01 AM PDT            2.53              3         0      Not Applicable
  04/18/2026 02 AM PDT            2.52              2         -      Not Applicable
  04/18/2026 03 AM PDT            2.55              3         +      Not Applicable
  04/18/2026 04 AM PDT            2.57              4         +      Not Applicable
  04/18/2026 05 AM PDT            2.56              3         -      Not Applicable
  04/18/2026 06 AM PDT            2.56              3         0      Not Applicable
  04/18/2026 07 AM PDT            2.57              4         +      Not Applicable
  04/18/2026 08 AM PDT            2.61              5         +      Not Applicable
  04/18/2026 09 AM PDT            2.64              6         +      Not Applicable
  04/18/2026 10 AM PDT            2.64              6         0      Not Applicable
  04/18/2026 11 AM PDT            2.62              5         -      Not Applicable
  04/18/2026 12 PM PDT            2.62              5         0      Not Applicable
  04/18/2026 01 PM PDT            2.61              5         -      Not Applicable
  04/18/2026 02 PM PDT            2.61              5         0      Not Applicable
  04/18/2026 03 PM PDT            2.62              5         +      Not Applicable
  04/18/2026 04 PM PDT            2.63              6         +      Not Applicable
  04/18/2026 05 PM PDT            2.63              6         0      Not Applicable
  04/18/2026 06 PM PDT            2.64              6         +      Not Applicable
  04/18/2026 07 PM PDT            2.64              6         0      Not Applicable
  04/18/2026 08 PM PDT            2.63              6         -      Not Applicable
  04/18/2026 09 PM PDT            2.62              5         -      Not Applicable
  04/18/2026 10 PM PDT            2.63              6         +      Not Applicable
  04/18/2026 11 PM PDT            2.62              5         -      Not Applicable
  04/19/2026 12 AM PDT            2.63              6         +      Not Applicable
  04/19/2026 01 AM PDT            2.65              7         +      Not Applicable
  04/19/2026 02 AM PDT            2.63              6         -      Not Applicable
  04/19/2026 03 AM PDT            2.63              6         0      Not Applicable
  04/19/2026 04 AM PDT            2.61              5         -      Not Applicable
  04/19/2026 05 AM PDT            2.62              5         +      Not Applicable
  04/19/2026 06 AM PDT            2.61              5         -      Not Applicable
  04/19/2026 07 AM PDT            2.60              5         -      Not Applicable
  04/19/2026 08 AM PDT            2.65              7         +      Not Applicable
  04/19/2026 09 AM PDT            2.65              7         0      Not Applicable
  04/19/2026 10 AM PDT            2.66              7         +      Not Applicable
  04/19/2026 11 AM PDT            2.66              7         0      Not Applicable
  04/19/2026 12 PM PDT            2.66              7         0      Not Applicable
  04/19/2026 01 PM PDT            2.68              8         +      Not Applicable
  04/19/2026 02 PM PDT            2.66              7         -      Not Applicable
  04/19/2026 03 PM PDT            2.68              8         +      Not Applicable
  04/19/2026 04 PM PDT            2.67              8         -      Not Applicable
  04/19/2026 05 PM PDT            2.65              7         -      Not Applicable
  04/19/2026 06 PM PDT            2.68              8         +      Not Applicable
  04/19/2026 07 PM PDT            2.67              8         -      Not Applicable
  04/19/2026 08 PM PDT            2.64              6         -      Not Applicable
  04/19/2026 09 PM PDT            2.64              6         0      Not Applicable
  04/19/2026 10 PM PDT            2.64              6         0      Not Applicable
  04/19/2026 11 PM PDT            2.64              6         0      Not Applicable
  04/20/2026 12 AM PDT            2.65              7         +      Not Applicable
  04/20/2026 01 AM PDT            2.63              6         -      Not Applicable
  04/20/2026 02 AM PDT            2.61              5         -      Not Applicable
  04/20/2026 03 AM PDT            2.61              5         0      Not Applicable
  04/20/2026 04 AM PDT            2.59              4         -      Not Applicable
  04/20/2026 05 AM PDT            2.60              5         +      Not Applicable
  04/20/2026 06 AM PDT            2.59              4         -      Not Applicable
  04/20/2026 07 AM PDT            2.59              4         0      Not Applicable
  04/20/2026 08 AM PDT            2.62              5         +      Not Applicable
  04/20/2026 09 AM PDT            2.62              5         0      Not Applicable
  04/20/2026 10 AM PDT            2.62              5         0      Not Applicable
  04/20/2026 11 AM PDT            2.64              6         +      Not Applicable
  04/20/2026 12 PM PDT            2.64              6         0      Not Applicable
  04/20/2026 01 PM PDT            2.63              6         -      Not Applicable
  04/20/2026 02 PM PDT            2.64              6         +      Not Applicable
  04/20/2026 03 PM PDT            2.64              6         0      Not Applicable
  04/20/2026 04 PM PDT            2.63              6         -      Not Applicable
  04/20/2026 05 PM PDT            2.64              6         +      Not Applicable
  04/20/2026 06 PM PDT            2.64              6         0      Not Applicable
  04/20/2026 07 PM PDT            2.62              5         -      Not Applicable
  04/20/2026 08 PM PDT            2.60              5         -      Not Applicable
  04/20/2026 09 PM PDT            2.55              3         -      Not Applicable
  04/20/2026 10 PM PDT            2.54              3         -      Not Applicable
  04/20/2026 11 PM PDT            2.53              3         -      Not Applicable
  04/21/2026 12 AM PDT            2.53              3         0      Not Applicable
  04/21/2026 01 AM PDT            2.53              3         0      Not Applicable
  04/21/2026 02 AM PDT            2.54              3         +      Not Applicable
  04/21/2026 03 AM PDT            2.53              3         -      Not Applicable
  04/21/2026 04 AM PDT            2.53              3         0      Not Applicable
  04/21/2026 05 AM PDT            2.53              3         0      Not Applicable
  04/21/2026 06 AM PDT            2.56              3         +      Not Applicable
  04/21/2026 07 AM PDT            2.56              3         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/21/2026 08 AM PDT            2.56              3                Not Applicable
  04/21/2026 09 AM PDT            2.56              3         0      Not Applicable
  04/21/2026 10 AM PDT            2.56              3         0      Not Applicable
  04/21/2026 11 AM PDT            2.56              3         0      Not Applicable
  04/21/2026 12 PM PDT            2.56              3         0      Not Applicable
  04/21/2026 01 PM PDT            2.56              3         0      Not Applicable
  04/21/2026 02 PM PDT            2.57              4         +      Not Applicable
  04/21/2026 03 PM PDT            2.57              4         0      Not Applicable
  04/21/2026 04 PM PDT            2.57              4         0      Not Applicable
  04/21/2026 05 PM PDT            2.57              4         0      Not Applicable
  04/21/2026 06 PM PDT            2.71             10         +      Not Applicable
  04/21/2026 07 PM PDT            2.88             23         +      Not Applicable
  04/21/2026 08 PM PDT            3.17             69         +      Not Applicable
  04/21/2026 09 PM PDT            3.23             84         +      Not Applicable
  04/21/2026 10 PM PDT            3.26             92         +      Not Applicable
  04/21/2026 11 PM PDT            3.29            100         +      Not Applicable
  04/22/2026 12 AM PDT            3.30            103         +      Not Applicable
  04/22/2026 01 AM PDT            3.27             94         -      Not Applicable
  04/22/2026 02 AM PDT            3.10             55         -      Not Applicable
  04/22/2026 03 AM PDT            3.05             46         -      Not Applicable
  04/22/2026 04 AM PDT            3.01             39         -      Not Applicable
  04/22/2026 05 AM PDT            2.96             32         -      Not Applicable
  04/22/2026 06 AM PDT            2.92             27         -      Not Applicable
  04/22/2026 07 AM PDT            2.88             23         -      Not Applicable
  04/22/2026 08 AM PDT            2.85             20         -      Not Applicable
  04/22/2026 09 AM PDT            2.82             17         -      Not Applicable
  04/22/2026 10 AM PDT            2.79             15         -      Not Applicable
  04/22/2026 11 AM PDT            2.76             13         -      Not Applicable
  04/22/2026 12 PM PDT            2.73             11         -      Not Applicable
  04/22/2026 01 PM PDT            2.70              9         -      Not Applicable
  04/22/2026 02 PM PDT            2.66              7         -      Not Applicable
  04/22/2026 03 PM PDT            2.63              6         -      Not Applicable
  04/22/2026 04 PM PDT            2.60              5         -      Not Applicable
  04/22/2026 05 PM PDT            2.58              4         -      Not Applicable
  04/22/2026 06 PM PDT            2.56              3         -      Not Applicable
  04/22/2026 07 PM PDT            2.56              3         0      Not Applicable
  04/22/2026 08 PM PDT            2.56              3         0      Not Applicable
  04/22/2026 09 PM PDT            2.56              3         0      Not Applicable
  04/22/2026 10 PM PDT            2.56              3         0      Not Applicable
  04/22/2026 11 PM PDT            2.56              3         0      Not Applicable
  04/23/2026 12 AM PDT            2.56              3         0      Not Applicable
  04/23/2026 01 AM PDT            2.56              3         0      Not Applicable
  04/23/2026 02 AM PDT            2.56              3         0      Not Applicable
  04/23/2026 03 AM PDT            2.56              3         0      Not Applicable
  04/23/2026 04 AM PDT            2.56              3         0      Not Applicable
  04/23/2026 05 AM PDT            2.56              3         0      Not Applicable
  04/23/2026 06 AM PDT            2.56              3         0      Not Applicable
  04/23/2026 07 AM PDT            2.56              3         0      Not Applicable
  04/23/2026 08 AM PDT            2.56              3         0      Not Applicable
  04/23/2026 09 AM PDT            2.56              3         0      Not Applicable
  04/23/2026 10 AM PDT            2.56              3         0      Not Applicable
  04/23/2026 11 AM PDT            2.56              3         0      Not Applicable
  04/23/2026 12 PM PDT            2.56              3         0      Not Applicable
  04/23/2026 01 PM PDT            2.56              3         0      Not Applicable
  04/23/2026 02 PM PDT            2.56              3         0      Not Applicable
  04/23/2026 03 PM PDT            2.56              3         0      Not Applicable
  04/23/2026 04 PM PDT            2.56              3         0      Not Applicable
  04/23/2026 05 PM PDT            2.56              3         0      Not Applicable
  04/23/2026 06 PM PDT            2.56              3         0      Not Applicable
  04/23/2026 07 PM PDT            2.56              3         0      Not Applicable
  04/23/2026 08 PM PDT            2.56              3         0      Not Applicable
  04/23/2026 09 PM PDT            2.56              3         0      Not Applicable
  04/23/2026 10 PM PDT            2.56              3         0      Not Applicable
  04/23/2026 11 PM PDT            2.56              3         0      Not Applicable
  04/24/2026 12 AM PDT            2.56              3         0      Not Applicable
  04/24/2026 01 AM PDT            2.56              3         0      Not Applicable
  04/24/2026 02 AM PDT            2.56              3         0      Not Applicable
  04/24/2026 03 AM PDT            2.56              3         0      Not Applicable
  04/24/2026 04 AM PDT            2.56              3         0      Not Applicable
  04/24/2026 05 AM PDT            2.56              3         0      Not Applicable
  04/24/2026 06 AM PDT            2.56              3         0      Not Applicable
  04/24/2026 07 AM PDT            2.56              3         0      Not Applicable
  04/24/2026 08 AM PDT            2.56              3         0      Not Applicable
  04/24/2026 09 AM PDT            2.55              3         -      Not Applicable
  04/24/2026 10 AM PDT            2.55              3         0      Not Applicable
  04/24/2026 11 AM PDT            2.55              3         0      Not Applicable
  04/24/2026 12 PM PDT            2.55              3         0      Not Applicable
  04/24/2026 01 PM PDT            2.55              3         0      Not Applicable
  04/24/2026 02 PM PDT            2.55              3         0      Not Applicable
  04/24/2026 03 PM PDT            2.55              3         0      Not Applicable
  04/24/2026 04 PM PDT            2.55              3         0      Not Applicable
  04/24/2026 05 PM PDT            2.55              3         0      Not Applicable
  04/24/2026 06 PM PDT            2.56              3         +      Not Applicable
  04/24/2026 07 PM PDT            2.56              3         0      Not Applicable
  04/24/2026 08 PM PDT            2.56              3         0      Not Applicable
  04/24/2026 09 PM PDT            2.56              3         0      Not Applicable
  04/24/2026 10 PM PDT            2.56              3         0      Not Applicable
  04/24/2026 11 PM PDT            2.56              3         0      Not Applicable
  04/25/2026 12 AM PDT            2.56              3         0      Not Applicable
  04/25/2026 01 AM PDT            2.56              3         0      Not Applicable
  04/25/2026 02 AM PDT            2.56              3         0      Not Applicable
  04/25/2026 03 AM PDT            2.56              3         0      Not Applicable
  04/25/2026 04 AM PDT            2.56              3         0      Not Applicable
  04/25/2026 05 AM PDT            2.56              3         0      Not Applicable
  04/25/2026 06 AM PDT            2.58              4         +      Not Applicable
  04/25/2026 07 AM PDT            2.64              6         +      Not Applicable
  04/25/2026 08 AM PDT            2.76             13         +      Not Applicable
  04/25/2026 09 AM PDT            2.79             15         +      Not Applicable
  04/25/2026 10 AM PDT            2.81             16         +      Not Applicable
  04/25/2026 11 AM PDT            2.84             19         +      Not Applicable
  04/25/2026 12 PM PDT            2.87             22         +      Not Applicable
  04/25/2026 01 PM PDT            2.90             25         +      Not Applicable
  04/25/2026 02 PM PDT            2.97             34         +      Not Applicable
  04/25/2026 03 PM PDT            2.99             37         +      Not Applicable
  04/25/2026 04 PM PDT            3.02             41         +      Not Applicable
  04/25/2026 05 PM PDT            3.03             43         +      Not Applicable
  04/25/2026 06 PM PDT            3.04             44         +      Not Applicable
  04/25/2026 07 PM PDT            3.02             41         -      Not Applicable
  04/25/2026 08 PM PDT            2.94             30         -      Not Applicable
  04/25/2026 09 PM PDT            2.91             26         -      Not Applicable
  04/25/2026 10 PM PDT            2.88             23         -      Not Applicable
  04/25/2026 11 PM PDT            2.84             19         -      Not Applicable
  04/26/2026 12 AM PDT            2.80             16         -      Not Applicable
  04/26/2026 01 AM PDT            2.77             13         -      Not Applicable
  04/26/2026 02 AM PDT            2.74             11         -      Not Applicable
  04/26/2026 03 AM PDT            2.71             10         -      Not Applicable
  04/26/2026 04 AM PDT            2.69              9         -      Not Applicable
  04/26/2026 05 AM PDT            2.66              7         -      Not Applicable
#
# 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.