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 09 2026 at 1:17 PM PSTNext Issuance: Nov 10 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:  11/09/2026 at 01:18 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/09/2026 at 11:00 AM PST
# Maximum Observed Stage:                       2.59 Feet
# Maximum Observed Flow:                        0 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/14/2026 at 02:00 AM PST
# Maximum Forecast Stage:                       3.33 Feet
# Maximum Forecast Flow:                        19 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/04/2026 01 PM PST            2.58              0                        Normal
  11/04/2026 02 PM PST            2.58              0         0              Normal
  11/04/2026 03 PM PST            2.58              0         0              Normal
  11/04/2026 04 PM PST            2.58              0         0              Normal
  11/04/2026 05 PM PST            2.58              0         0              Normal
  11/04/2026 06 PM PST            2.58              0         0              Normal
  11/04/2026 07 PM PST            2.57              0         -              Normal
  11/04/2026 08 PM PST            2.57              0         0              Normal
  11/04/2026 09 PM PST            2.57              0         0              Normal
  11/04/2026 10 PM PST            2.57              0         0              Normal
  11/04/2026 11 PM PST            2.57              0         0              Normal
  11/05/2026 12 AM PST            2.57              0         0              Normal
  11/05/2026 01 AM PST            2.57              0         0              Normal
  11/05/2026 02 AM PST            2.57              0         0              Normal
  11/05/2026 03 AM PST            2.57              0         0              Normal
  11/05/2026 04 AM PST            2.57              0         0              Normal
  11/05/2026 05 AM PST            2.57              0         0              Normal
  11/05/2026 06 AM PST            2.57              0         0              Normal
  11/05/2026 07 AM PST            2.57              0         0              Normal
  11/05/2026 08 AM PST            2.57              0         0              Normal
  11/05/2026 09 AM PST            2.57              0         0              Normal
  11/05/2026 10 AM PST            2.57              0         0              Normal
  11/05/2026 11 AM PST            2.57              0         0              Normal
  11/05/2026 12 PM PST            2.57              0         0              Normal
  11/05/2026 01 PM PST            2.57              0         0              Normal
  11/05/2026 02 PM PST            2.57              0         0              Normal
  11/05/2026 03 PM PST            2.57              0         0              Normal
  11/05/2026 04 PM PST            2.57              0         0              Normal
  11/05/2026 05 PM PST            2.58              0         +              Normal
  11/05/2026 06 PM PST            2.57              0         -              Normal
  11/05/2026 07 PM PST            2.57              0         0              Normal
  11/05/2026 08 PM PST            2.57              0         0              Normal
  11/05/2026 09 PM PST            2.57              0         0              Normal
  11/05/2026 10 PM PST            2.57              0         0              Normal
  11/05/2026 11 PM PST            2.57              0         0              Normal
  11/06/2026 12 AM PST            2.57              0         0              Normal
  11/06/2026 01 AM PST            2.57              0         0              Normal
  11/06/2026 02 AM PST            2.57              0         0              Normal
  11/06/2026 03 AM PST            2.56              0         -              Normal
  11/06/2026 04 AM PST            2.56              0         0              Normal
  11/06/2026 05 AM PST            2.56              0         0              Normal
  11/06/2026 06 AM PST            2.56              0         0              Normal
  11/06/2026 07 AM PST            2.56              0         0              Normal
  11/06/2026 08 AM PST            2.56              0         0              Normal
  11/06/2026 09 AM PST            2.56              0         0              Normal
  11/06/2026 10 AM PST            2.56              0         0              Normal
  11/06/2026 11 AM PST            2.56              0         0              Normal
  11/06/2026 12 PM PST            2.56              0         0              Normal
  11/06/2026 01 PM PST            2.56              0         0              Normal
  11/06/2026 02 PM PST            2.57              0         +              Normal
  11/06/2026 03 PM PST            2.56              0         -              Normal
  11/06/2026 04 PM PST            2.57              0         +              Normal
  11/06/2026 05 PM PST            2.57              0         0              Normal
  11/06/2026 06 PM PST            2.57              0         0              Normal
  11/06/2026 07 PM PST            2.57              0         0              Normal
  11/06/2026 08 PM PST            2.57              0         0              Normal
  11/06/2026 09 PM PST            2.56              0         -              Normal
  11/06/2026 10 PM PST            2.57              0         +              Normal
  11/06/2026 11 PM PST            2.57              0         0              Normal
  11/07/2026 12 AM PST            2.57              0         0              Normal
  11/07/2026 01 AM PST            2.57              0         0              Normal
  11/07/2026 02 AM PST            2.57              0         0              Normal
  11/07/2026 03 AM PST            2.57              0         0              Normal
  11/07/2026 04 AM PST            2.57              0         0              Normal
  11/07/2026 05 AM PST            2.57              0         0              Normal
  11/07/2026 06 AM PST            2.57              0         0              Normal
  11/07/2026 07 AM PST            2.57              0         0              Normal
  11/07/2026 08 AM PST            2.57              0         0              Normal
  11/07/2026 09 AM PST            2.57              0         0              Normal
  11/07/2026 10 AM PST            2.57              0         0              Normal
  11/07/2026 11 AM PST            2.58              0         +              Normal
  11/07/2026 12 PM PST            2.58              0         0              Normal
  11/07/2026 01 PM PST            2.58              0         0              Normal
  11/07/2026 02 PM PST            2.58              0         0              Normal
  11/07/2026 03 PM PST            2.58              0         0              Normal
  11/07/2026 04 PM PST            2.57              0         -              Normal
  11/07/2026 05 PM PST            2.57              0         0              Normal
  11/07/2026 06 PM PST            2.57              0         0              Normal
  11/07/2026 07 PM PST            2.57              0         0              Normal
  11/07/2026 08 PM PST            2.57              0         0              Normal
  11/07/2026 09 PM PST            2.57              0         0              Normal
  11/07/2026 10 PM PST            2.57              0         0              Normal
  11/07/2026 11 PM PST            2.57              0         0              Normal
  11/08/2026 12 AM PST            2.57              0         0              Normal
  11/08/2026 01 AM PST            2.57              0         0              Normal
  11/08/2026 02 AM PST            2.57              0         0              Normal
  11/08/2026 03 AM PST            2.57              0         0              Normal
  11/08/2026 04 AM PST            2.57              0         0              Normal
  11/08/2026 05 AM PST            2.57              0         0              Normal
  11/08/2026 06 AM PST            2.57              0         0              Normal
  11/08/2026 07 AM PST            2.57              0         0              Normal
  11/08/2026 08 AM PST            2.57              0         0              Normal
  11/08/2026 09 AM PST            2.57              0         0              Normal
  11/08/2026 10 AM PST            2.57              0         0              Normal
  11/08/2026 11 AM PST            2.57              0         0              Normal
  11/08/2026 12 PM PST            2.58              0         +              Normal
  11/08/2026 01 PM PST            2.58              0         0              Normal
  11/08/2026 02 PM PST            2.58              0         0              Normal
  11/08/2026 03 PM PST            2.58              0         0              Normal
  11/08/2026 04 PM PST            2.58              0         0              Normal
  11/08/2026 05 PM PST            2.58              0         0              Normal
  11/08/2026 06 PM PST            2.58              0         0              Normal
  11/08/2026 07 PM PST            2.58              0         0              Normal
  11/08/2026 08 PM PST            2.58              0         0              Normal
  11/08/2026 09 PM PST            2.58              0         0              Normal
  11/08/2026 10 PM PST            2.58              0         0              Normal
  11/08/2026 11 PM PST            2.58              0         0              Normal
  11/09/2026 12 AM PST            2.58              0         0              Normal
  11/09/2026 01 AM PST            2.58              0         0              Normal
  11/09/2026 02 AM PST            2.58              0         0              Normal
  11/09/2026 03 AM PST            2.58              0         0              Normal
  11/09/2026 04 AM PST            2.58              0         0              Normal
  11/09/2026 05 AM PST            2.58              0         0              Normal
  11/09/2026 06 AM PST            2.58              0         0              Normal
  11/09/2026 07 AM PST            2.58              0         0              Normal
  11/09/2026 08 AM PST            2.58              0         0              Normal
  11/09/2026 09 AM PST            2.58              0         0              Normal
  11/09/2026 10 AM PST            2.58              0         0              Normal
  11/09/2026 11 AM PST            2.59              0         +              Normal
  11/09/2026 12 PM PST            2.57              0         -              Normal
  11/09/2026 01 PM PST            2.56              0         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/09/2026 02 PM PST            2.53              0                        Normal
  11/09/2026 03 PM PST            2.53              0         0              Normal
  11/09/2026 04 PM PST            2.53              0         0              Normal
  11/09/2026 05 PM PST            2.53              0         0              Normal
  11/09/2026 06 PM PST            2.53              0         0              Normal
  11/09/2026 07 PM PST            2.53              0         0              Normal
  11/09/2026 08 PM PST            2.53              0         0              Normal
  11/09/2026 09 PM PST            2.53              0         0              Normal
  11/09/2026 10 PM PST            2.53              0         0              Normal
  11/09/2026 11 PM PST            2.53              0         0              Normal
  11/10/2026 12 AM PST            2.53              0         0              Normal
  11/10/2026 01 AM PST            2.53              0         0              Normal
  11/10/2026 02 AM PST            2.53              0         0              Normal
  11/10/2026 03 AM PST            2.53              0         0              Normal
  11/10/2026 04 AM PST            2.53              0         0              Normal
  11/10/2026 05 AM PST            2.53              0         0              Normal
  11/10/2026 06 AM PST            2.53              0         0              Normal
  11/10/2026 07 AM PST            2.53              0         0              Normal
  11/10/2026 08 AM PST            2.53              0         0              Normal
  11/10/2026 09 AM PST            2.53              0         0              Normal
  11/10/2026 10 AM PST            2.53              0         0              Normal
  11/10/2026 11 AM PST            2.53              0         0              Normal
  11/10/2026 12 PM PST            2.53              0         0              Normal
  11/10/2026 01 PM PST            2.53              0         0              Normal
  11/10/2026 02 PM PST            2.53              0         0              Normal
  11/10/2026 03 PM PST            2.53              0         0              Normal
  11/10/2026 04 PM PST            2.53              0         0              Normal
  11/10/2026 05 PM PST            2.53              0         0              Normal
  11/10/2026 06 PM PST            2.53              0         0              Normal
  11/10/2026 07 PM PST            2.53              0         0              Normal
  11/10/2026 08 PM PST            2.53              0         0              Normal
  11/10/2026 09 PM PST            2.53              0         0              Normal
  11/10/2026 10 PM PST            2.53              0         0              Normal
  11/10/2026 11 PM PST            2.53              0         0              Normal
  11/11/2026 12 AM PST            2.53              0         0              Normal
  11/11/2026 01 AM PST            2.53              0         0              Normal
  11/11/2026 02 AM PST            2.53              0         0              Normal
  11/11/2026 03 AM PST            2.53              0         0              Normal
  11/11/2026 04 AM PST            2.53              0         0              Normal
  11/11/2026 05 AM PST            2.53              0         0              Normal
  11/11/2026 06 AM PST            2.53              0         0              Normal
  11/11/2026 07 AM PST            2.53              0         0              Normal
  11/11/2026 08 AM PST            2.53              0         0              Normal
  11/11/2026 09 AM PST            2.53              0         0              Normal
  11/11/2026 10 AM PST            2.53              0         0              Normal
  11/11/2026 11 AM PST            2.53              0         0              Normal
  11/11/2026 12 PM PST            2.53              0         0              Normal
  11/11/2026 01 PM PST            2.53              0         0              Normal
  11/11/2026 02 PM PST            2.53              0         0              Normal
  11/11/2026 03 PM PST            2.53              0         0              Normal
  11/11/2026 04 PM PST            2.53              0         0              Normal
  11/11/2026 05 PM PST            2.53              0         0              Normal
  11/11/2026 06 PM PST            2.53              0         0              Normal
  11/11/2026 07 PM PST            2.53              0         0              Normal
  11/11/2026 08 PM PST            2.53              0         0              Normal
  11/11/2026 09 PM PST            2.53              0         0              Normal
  11/11/2026 10 PM PST            2.53              0         0              Normal
  11/11/2026 11 PM PST            2.53              0         0              Normal
  11/12/2026 12 AM PST            2.53              0         0              Normal
  11/12/2026 01 AM PST            2.53              0         0              Normal
  11/12/2026 02 AM PST            2.53              0         0              Normal
  11/12/2026 03 AM PST            2.53              0         0              Normal
  11/12/2026 04 AM PST            2.53              0         0              Normal
  11/12/2026 05 AM PST            2.53              0         0              Normal
  11/12/2026 06 AM PST            2.53              0         0              Normal
  11/12/2026 07 AM PST            2.53              0         0              Normal
  11/12/2026 08 AM PST            2.53              0         0              Normal
  11/12/2026 09 AM PST            2.53              0         0              Normal
  11/12/2026 10 AM PST            2.53              0         0              Normal
  11/12/2026 11 AM PST            2.53              0         0              Normal
  11/12/2026 12 PM PST            2.53              0         0              Normal
  11/12/2026 01 PM PST            2.53              0         0              Normal
  11/12/2026 02 PM PST            2.53              0         0              Normal
  11/12/2026 03 PM PST            2.53              0         0              Normal
  11/12/2026 04 PM PST            2.53              0         0              Normal
  11/12/2026 05 PM PST            2.53              0         0              Normal
  11/12/2026 06 PM PST            2.53              0         0              Normal
  11/12/2026 07 PM PST            2.53              0         0              Normal
  11/12/2026 08 PM PST            2.53              0         0              Normal
  11/12/2026 09 PM PST            2.53              0         0              Normal
  11/12/2026 10 PM PST            2.53              0         0              Normal
  11/12/2026 11 PM PST            2.53              0         0              Normal
  11/13/2026 12 AM PST            2.53              0         0              Normal
  11/13/2026 01 AM PST            2.53              0         0              Normal
  11/13/2026 02 AM PST            2.53              0         0              Normal
  11/13/2026 03 AM PST            2.53              0         0              Normal
  11/13/2026 04 AM PST            2.53              0         0              Normal
  11/13/2026 05 AM PST            2.53              0         0              Normal
  11/13/2026 06 AM PST            2.53              0         0              Normal
  11/13/2026 07 AM PST            2.53              0         0              Normal
  11/13/2026 08 AM PST            2.55              0         +              Normal
  11/13/2026 09 AM PST            2.58              0         +              Normal
  11/13/2026 10 AM PST            2.66              1         +              Normal
  11/13/2026 11 AM PST            2.80              2         +              Normal
  11/13/2026 12 PM PST            2.87              3         +              Normal
  11/13/2026 01 PM PST            2.92              4         +              Normal
  11/13/2026 02 PM PST            2.94              5         +              Normal
  11/13/2026 03 PM PST            2.97              5         +              Normal
  11/13/2026 04 PM PST            3.00              6         +              Normal
  11/13/2026 05 PM PST            3.05              8         +              Normal
  11/13/2026 06 PM PST            3.12             10         +              Normal
  11/13/2026 07 PM PST            3.16             12         +              Normal
  11/13/2026 08 PM PST            3.19             13         +              Normal
  11/13/2026 09 PM PST            3.21             14         +              Normal
  11/13/2026 10 PM PST            3.23             14         +              Normal
  11/13/2026 11 PM PST            3.26             16         +              Normal
  11/14/2026 12 AM PST            3.29             17         +              Normal
  11/14/2026 01 AM PST            3.31             18         +              Normal
  11/14/2026 02 AM PST            3.33             19         +              Normal
  11/14/2026 03 AM PST            3.33             19         0              Normal
  11/14/2026 04 AM PST            3.32             18         -              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.