SAN LORENZO CREEK - HAYWARD (LRZC1)
Latitude: 37.69º NLongitude: 122.06º WElevation: 133 FeetForecast Type: Unofficial Location
Location: Alameda County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: Nov 02 2026 at 12:53 PM PSTNext Issuance: Nov 03 2026 at 9:00 AM PST
Action: 20.85 FeetMinor Flood: 24.6 FeetModerate Flood: N/A Major Flood: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Lorenzo Creek - Hayward (LRZC1)
#
# File Generation Time:  11/02/2026 at 12:54 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/01/2026 at 05:00 AM PST
# Maximum Observed Stage:                       3.36 Feet
# Maximum Observed Flow:                        20 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/03/2026 at 06:00 PM PST
# Maximum Forecast Stage:                       3.16 Feet
# Maximum Forecast Flow:                        12 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  10/28/2026 01 PM PDT            2.58              0                        Normal
  10/28/2026 02 PM PDT            2.58              0         0              Normal
  10/28/2026 03 PM PDT            2.58              0         0              Normal
  10/28/2026 04 PM PDT            2.58              0         0              Normal
  10/28/2026 05 PM PDT            2.58              0         0              Normal
  10/28/2026 06 PM PDT            2.58              0         0              Normal
  10/28/2026 07 PM PDT            2.58              0         0              Normal
  10/28/2026 08 PM PDT            2.57              0         -              Normal
  10/28/2026 09 PM PDT            2.57              0         0              Normal
  10/28/2026 10 PM PDT            2.57              0         0              Normal
  10/28/2026 11 PM PDT            2.58              0         +              Normal
  10/29/2026 12 AM PDT            2.58              0         0              Normal
  10/29/2026 01 AM PDT            2.58              0         0              Normal
  10/29/2026 02 AM PDT            2.58              0         0              Normal
  10/29/2026 03 AM PDT            2.58              0         0              Normal
  10/29/2026 04 AM PDT            2.58              0         0              Normal
  10/29/2026 05 AM PDT            2.58              0         0              Normal
  10/29/2026 06 AM PDT            2.58              0         0              Normal
  10/29/2026 07 AM PDT            2.57              0         -              Normal
  10/29/2026 08 AM PDT            2.57              0         0              Normal
  10/29/2026 09 AM PDT            2.57              0         0              Normal
  10/29/2026 10 AM PDT            2.58              0         +              Normal
  10/29/2026 11 AM PDT            2.58              0         0              Normal
  10/29/2026 12 PM PDT            2.57              0         -              Normal
  10/29/2026 01 PM PDT            2.56              0         -              Normal
  10/29/2026 02 PM PDT            2.53              0         -              Normal
  10/29/2026 03 PM PDT            2.53              0         0              Normal
  10/29/2026 04 PM PDT            2.53              0         0              Normal
  10/29/2026 05 PM PDT            2.53              0         0              Normal
  10/29/2026 06 PM PDT            2.53              0         0              Normal
  10/29/2026 07 PM PDT            2.56              0         +              Normal
  10/29/2026 08 PM PDT            2.57              0         +              Normal
  10/29/2026 09 PM PDT            2.59              0         +              Normal
  10/29/2026 10 PM PDT            2.59              0         0              Normal
  10/29/2026 11 PM PDT            2.59              0         0              Normal
  10/30/2026 12 AM PDT            2.59              0         0              Normal
  10/30/2026 01 AM PDT            2.59              0         0              Normal
  10/30/2026 02 AM PDT            2.58              0         -              Normal
  10/30/2026 03 AM PDT            2.58              0         0              Normal
  10/30/2026 04 AM PDT            2.58              0         0              Normal
  10/30/2026 05 AM PDT            2.57              0         -              Normal
  10/30/2026 06 AM PDT            2.58              0         +              Normal
  10/30/2026 07 AM PDT            2.58              0         0              Normal
  10/30/2026 08 AM PDT            2.58              0         0              Normal
  10/30/2026 09 AM PDT            2.58              0         0              Normal
  10/30/2026 10 AM PDT            2.59              0         +              Normal
  10/30/2026 11 AM PDT            2.59              0         0              Normal
  10/30/2026 12 PM PDT            2.59              0         0              Normal
  10/30/2026 01 PM PDT            2.59              0         0              Normal
  10/30/2026 02 PM PDT            2.59              0         0              Normal
  10/30/2026 03 PM PDT            2.59              0         0              Normal
  10/30/2026 04 PM PDT            2.59              0         0              Normal
  10/30/2026 05 PM PDT            2.59              0         0              Normal
  10/30/2026 06 PM PDT            2.59              0         0              Normal
  10/30/2026 07 PM PDT            2.59              0         0              Normal
  10/30/2026 08 PM PDT            2.59              0         0              Normal
  10/30/2026 09 PM PDT            2.59              0         0              Normal
  10/30/2026 10 PM PDT            2.59              0         0              Normal
  10/30/2026 11 PM PDT            2.59              0         0              Normal
  10/31/2026 12 AM PDT            2.59              0         0              Normal
  10/31/2026 01 AM PDT            2.59              0         0              Normal
  10/31/2026 02 AM PDT            2.59              0         0              Normal
  10/31/2026 03 AM PDT            2.59              0         0              Normal
  10/31/2026 04 AM PDT            2.59              0         0              Normal
  10/31/2026 05 AM PDT            2.59              0         0              Normal
  10/31/2026 06 AM PDT            2.59              0         0              Normal
  10/31/2026 07 AM PDT            2.59              0         0              Normal
  10/31/2026 08 AM PDT            2.59              0         0              Normal
  10/31/2026 09 AM PDT            2.59              0         0              Normal
  10/31/2026 10 AM PDT            2.59              0         0              Normal
  10/31/2026 11 AM PDT            2.59              0         0              Normal
  10/31/2026 12 PM PDT            2.59              0         0              Normal
  10/31/2026 01 PM PDT            2.59              0         0              Normal
  10/31/2026 02 PM PDT            2.60              0         +              Normal
  10/31/2026 03 PM PDT            2.60              0         0              Normal
  10/31/2026 04 PM PDT            2.60              0         0              Normal
  10/31/2026 05 PM PDT            2.59              0         -              Normal
  10/31/2026 06 PM PDT            2.60              0         +              Normal
  10/31/2026 07 PM PDT            2.60              0         0              Normal
  10/31/2026 08 PM PDT            2.60              0         0              Normal
  10/31/2026 09 PM PDT            2.60              0         0              Normal
  10/31/2026 10 PM PDT            2.60              0         0              Normal
  10/31/2026 11 PM PDT            2.60              0         0              Normal
  11/01/2026 12 AM PDT            2.60              0         0              Normal
  11/01/2026 01 AM PDT            2.60              0         0              Normal
  11/01/2026 01 AM PST            2.60              0         0              Normal
  11/01/2026 02 AM PST            2.93              4         +              Normal
  11/01/2026 03 AM PST            2.96              5         +              Normal
  11/01/2026 04 AM PST            3.26             16         +              Normal
  11/01/2026 05 AM PST            3.36             20         +              Normal
  11/01/2026 06 AM PST            3.18             12         -              Normal
  11/01/2026 07 AM PST            3.08              9         -              Normal
  11/01/2026 08 AM PST            3.03              7         -              Normal
  11/01/2026 09 AM PST            2.96              5         -              Normal
  11/01/2026 10 AM PST            2.91              4         -              Normal
  11/01/2026 11 AM PST            2.86              3         -              Normal
  11/01/2026 12 PM PST            2.82              2         -              Normal
  11/01/2026 01 PM PST            2.79              1         -              Normal
  11/01/2026 02 PM PST            2.76              1         -              Normal
  11/01/2026 03 PM PST            2.73              1         -              Normal
  11/01/2026 04 PM PST            2.71              1         -              Normal
  11/01/2026 05 PM PST            2.70              1         -              Normal
  11/01/2026 06 PM PST            2.68              1         -              Normal
  11/01/2026 07 PM PST            2.67              1         -              Normal
  11/01/2026 08 PM PST            2.66              1         -              Normal
  11/01/2026 09 PM PST            2.65              0         -              Normal
  11/01/2026 10 PM PST            2.64              0         -              Normal
  11/01/2026 11 PM PST            2.63              0         -              Normal
  11/02/2026 12 AM PST            2.62              0         -              Normal
  11/02/2026 01 AM PST            2.61              0         -              Normal
  11/02/2026 02 AM PST            2.61              0         0              Normal
  11/02/2026 03 AM PST            2.60              0         -              Normal
  11/02/2026 04 AM PST            2.60              0         0              Normal
  11/02/2026 05 AM PST            2.60              0         0              Normal
  11/02/2026 06 AM PST            2.59              0         -              Normal
  11/02/2026 07 AM PST            2.59              0         0              Normal
  11/02/2026 08 AM PST            2.59              0         0              Normal
  11/02/2026 09 AM PST            2.59              0         0              Normal
  11/02/2026 10 AM PST            2.59              0         0              Normal
  11/02/2026 11 AM PST            2.59              0         0              Normal
  11/02/2026 12 PM PST            2.57              0         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/02/2026 01 PM PST            2.56              0                        Normal
  11/02/2026 02 PM PST            2.53              0         -              Normal
  11/02/2026 03 PM PST            2.53              0         0              Normal
  11/02/2026 04 PM PST            2.53              0         0              Normal
  11/02/2026 05 PM PST            2.53              0         0              Normal
  11/02/2026 06 PM PST            2.53              0         0              Normal
  11/02/2026 07 PM PST            2.53              0         0              Normal
  11/02/2026 08 PM PST            2.53              0         0              Normal
  11/02/2026 09 PM PST            2.53              0         0              Normal
  11/02/2026 10 PM PST            2.53              0         0              Normal
  11/02/2026 11 PM PST            2.53              0         0              Normal
  11/03/2026 12 AM PST            2.53              0         0              Normal
  11/03/2026 01 AM PST            2.53              0         0              Normal
  11/03/2026 02 AM PST            2.53              0         0              Normal
  11/03/2026 03 AM PST            2.53              0         0              Normal
  11/03/2026 04 AM PST            2.53              0         0              Normal
  11/03/2026 05 AM PST            2.53              0         0              Normal
  11/03/2026 06 AM PST            2.53              0         0              Normal
  11/03/2026 07 AM PST            2.53              0         0              Normal
  11/03/2026 08 AM PST            2.53              0         0              Normal
  11/03/2026 09 AM PST            2.53              0         0              Normal
  11/03/2026 10 AM PST            2.53              0         0              Normal
  11/03/2026 11 AM PST            2.55              0         +              Normal
  11/03/2026 12 PM PST            2.58              0         +              Normal
  11/03/2026 01 PM PST            2.67              1         +              Normal
  11/03/2026 02 PM PST            2.82              2         +              Normal
  11/03/2026 03 PM PST            2.91              4         +              Normal
  11/03/2026 04 PM PST            2.99              6         +              Normal
  11/03/2026 05 PM PST            3.08              9         +              Normal
  11/03/2026 06 PM PST            3.16             12         +              Normal
  11/03/2026 07 PM PST            3.16             12         0              Normal
  11/03/2026 08 PM PST            3.10              9         -              Normal
  11/03/2026 09 PM PST            3.04              7         -              Normal
  11/03/2026 10 PM PST            3.00              6         -              Normal
  11/03/2026 11 PM PST            2.96              5         -              Normal
  11/04/2026 12 AM PST            2.93              4         -              Normal
  11/04/2026 01 AM PST            2.91              4         -              Normal
  11/04/2026 02 AM PST            2.89              3         -              Normal
  11/04/2026 03 AM PST            2.85              2         -              Normal
  11/04/2026 04 AM PST            2.81              2         -              Normal
  11/04/2026 05 AM PST            2.74              1         -              Normal
  11/04/2026 06 AM PST            2.68              1         -              Normal
  11/04/2026 07 AM PST            2.64              0         -              Normal
  11/04/2026 08 AM PST            2.60              0         -              Normal
  11/04/2026 09 AM PST            2.58              0         -              Normal
  11/04/2026 10 AM PST            2.57              0         -              Normal
  11/04/2026 11 AM PST            2.56              0         -              Normal
  11/04/2026 12 PM PST            2.55              0         -              Normal
  11/04/2026 01 PM PST            2.55              0         0              Normal
  11/04/2026 02 PM PST            2.55              0         0              Normal
  11/04/2026 03 PM PST            2.54              0         -              Normal
  11/04/2026 04 PM PST            2.54              0         0              Normal
  11/04/2026 05 PM PST            2.53              0         -              Normal
  11/04/2026 06 PM PST            2.53              0         0              Normal
  11/04/2026 07 PM PST            2.53              0         0              Normal
  11/04/2026 08 PM PST            2.53              0         0              Normal
  11/04/2026 09 PM PST            2.53              0         0              Normal
  11/04/2026 10 PM PST            2.53              0         0              Normal
  11/04/2026 11 PM PST            2.53              0         0              Normal
  11/05/2026 12 AM PST            2.53              0         0              Normal
  11/05/2026 01 AM PST            2.53              0         0              Normal
  11/05/2026 02 AM PST            2.53              0         0              Normal
  11/05/2026 03 AM PST            2.53              0         0              Normal
  11/05/2026 04 AM PST            2.53              0         0              Normal
  11/05/2026 05 AM PST            2.53              0         0              Normal
  11/05/2026 06 AM PST            2.53              0         0              Normal
  11/05/2026 07 AM PST            2.53              0         0              Normal
  11/05/2026 08 AM PST            2.53              0         0              Normal
  11/05/2026 09 AM PST            2.53              0         0              Normal
  11/05/2026 10 AM PST            2.53              0         0              Normal
  11/05/2026 11 AM PST            2.53              0         0              Normal
  11/05/2026 12 PM PST            2.53              0         0              Normal
  11/05/2026 01 PM PST            2.53              0         0              Normal
  11/05/2026 02 PM PST            2.53              0         0              Normal
  11/05/2026 03 PM PST            2.53              0         0              Normal
  11/05/2026 04 PM PST            2.53              0         0              Normal
  11/05/2026 05 PM PST            2.53              0         0              Normal
  11/05/2026 06 PM PST            2.53              0         0              Normal
  11/05/2026 07 PM PST            2.53              0         0              Normal
  11/05/2026 08 PM PST            2.53              0         0              Normal
  11/05/2026 09 PM PST            2.53              0         0              Normal
  11/05/2026 10 PM PST            2.53              0         0              Normal
  11/05/2026 11 PM PST            2.53              0         0              Normal
  11/06/2026 12 AM PST            2.53              0         0              Normal
  11/06/2026 01 AM PST            2.53              0         0              Normal
  11/06/2026 02 AM PST            2.53              0         0              Normal
  11/06/2026 03 AM PST            2.53              0         0              Normal
  11/06/2026 04 AM PST            2.53              0         0              Normal
  11/06/2026 05 AM PST            2.53              0         0              Normal
  11/06/2026 06 AM PST            2.53              0         0              Normal
  11/06/2026 07 AM PST            2.53              0         0              Normal
  11/06/2026 08 AM PST            2.53              0         0              Normal
  11/06/2026 09 AM PST            2.53              0         0              Normal
  11/06/2026 10 AM PST            2.53              0         0              Normal
  11/06/2026 11 AM PST            2.53              0         0              Normal
  11/06/2026 12 PM PST            2.53              0         0              Normal
  11/06/2026 01 PM PST            2.53              0         0              Normal
  11/06/2026 02 PM PST            2.53              0         0              Normal
  11/06/2026 03 PM PST            2.53              0         0              Normal
  11/06/2026 04 PM PST            2.53              0         0              Normal
  11/06/2026 05 PM PST            2.53              0         0              Normal
  11/06/2026 06 PM PST            2.53              0         0              Normal
  11/06/2026 07 PM PST            2.53              0         0              Normal
  11/06/2026 08 PM PST            2.53              0         0              Normal
  11/06/2026 09 PM PST            2.53              0         0              Normal
  11/06/2026 10 PM PST            2.53              0         0              Normal
  11/06/2026 11 PM PST            2.53              0         0              Normal
  11/07/2026 12 AM PST            2.53              0         0              Normal
  11/07/2026 01 AM PST            2.53              0         0              Normal
  11/07/2026 02 AM PST            2.53              0         0              Normal
  11/07/2026 03 AM PST            2.53              0         0              Normal
  11/07/2026 04 AM PST            2.53              0         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.