SAN LORENZO CREEK - HAYWARD (LRZC1)
Latitude: 37.69º NLongitude: 122.06º WElevation: 133 Feet
Location: Alameda County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: May 11 2025 at 8:00 AM PDTNext Issuance: May 12 2025 at 9:00 AM PDT
Action/Monitor: 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:  05/11/2025 at 08:01 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/10/2025 at 04:00 PM PDT
# Maximum Observed Stage:                       2.93 Feet
# Maximum Observed Flow:                        4 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/12/2025 at 02:00 PM PDT
# Maximum Forecast Stage:                       3.04 Feet
# Maximum Forecast Flow:                        7 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/06/2025 08 AM PDT            2.87              3                        Normal
  05/06/2025 09 AM PDT            2.87              3         0              Normal
  05/06/2025 10 AM PDT            2.90              4         +              Normal
  05/06/2025 11 AM PDT            2.88              3         -              Normal
  05/06/2025 12 PM PDT            2.88              3         0              Normal
  05/06/2025 01 PM PDT            2.88              3         0              Normal
  05/06/2025 02 PM PDT            2.88              3         0              Normal
  05/06/2025 03 PM PDT            2.88              3         0              Normal
  05/06/2025 04 PM PDT            2.87              3         -              Normal
  05/06/2025 05 PM PDT            2.87              3         0              Normal
  05/06/2025 06 PM PDT            2.90              4         +              Normal
  05/06/2025 07 PM PDT            2.88              3         -              Normal
  05/06/2025 08 PM PDT            2.87              3         -              Normal
  05/06/2025 09 PM PDT            2.88              3         +              Normal
  05/06/2025 10 PM PDT            2.90              4         +              Normal
  05/06/2025 11 PM PDT            2.90              4         0              Normal
  05/07/2025 12 AM PDT            2.90              4         0              Normal
  05/07/2025 01 AM PDT            2.87              3         -              Normal
  05/07/2025 02 AM PDT            2.87              3         0              Normal
  05/07/2025 03 AM PDT            2.87              3         0              Normal
  05/07/2025 04 AM PDT            2.87              3         0              Normal
  05/07/2025 05 AM PDT            2.88              3         +              Normal
  05/07/2025 06 AM PDT            2.87              3         -              Normal
  05/07/2025 07 AM PDT            2.88              3         +              Normal
  05/07/2025 08 AM PDT            2.88              3         0              Normal
  05/07/2025 09 AM PDT            2.88              3         0              Normal
  05/07/2025 10 AM PDT            2.88              3         0              Normal
  05/07/2025 11 AM PDT            2.88              3         0              Normal
  05/07/2025 12 PM PDT            2.88              3         0              Normal
  05/07/2025 01 PM PDT            2.88              3         0              Normal
  05/07/2025 02 PM PDT            2.89              3         +              Normal
  05/07/2025 03 PM PDT            2.88              3         -              Normal
  05/07/2025 04 PM PDT            2.89              3         +              Normal
  05/07/2025 05 PM PDT            2.89              3         0              Normal
  05/07/2025 06 PM PDT            2.88              3         -              Normal
  05/07/2025 07 PM PDT            2.88              3         0              Normal
  05/07/2025 08 PM PDT            2.88              3         0              Normal
  05/07/2025 09 PM PDT            2.88              3         0              Normal
  05/07/2025 10 PM PDT            2.88              3         0              Normal
  05/07/2025 11 PM PDT            2.88              3         0              Normal
  05/08/2025 12 AM PDT            2.87              3         -              Normal
  05/08/2025 01 AM PDT            2.87              3         0              Normal
  05/08/2025 02 AM PDT            2.87              3         0              Normal
  05/08/2025 03 AM PDT            2.87              3         0              Normal
  05/08/2025 04 AM PDT            2.87              3         0              Normal
  05/08/2025 05 AM PDT            2.88              3         +              Normal
  05/08/2025 06 AM PDT            2.88              3         0              Normal
  05/08/2025 07 AM PDT            2.88              3         0              Normal
  05/08/2025 08 AM PDT            2.88              3         0              Normal
  05/08/2025 09 AM PDT            2.88              3         0              Normal
  05/08/2025 10 AM PDT            2.89              3         +              Normal
  05/08/2025 11 AM PDT            2.88              3         -              Normal
  05/08/2025 12 PM PDT            2.89              3         +              Normal
  05/08/2025 01 PM PDT            2.89              3         0              Normal
  05/08/2025 02 PM PDT            2.90              4         +              Normal
  05/08/2025 03 PM PDT            2.90              4         0              Normal
  05/08/2025 04 PM PDT            2.89              3         -              Normal
  05/08/2025 05 PM PDT            2.89              3         0              Normal
  05/08/2025 06 PM PDT            2.89              3         0              Normal
  05/08/2025 07 PM PDT            2.89              3         0              Normal
  05/08/2025 08 PM PDT            2.88              3         -              Normal
  05/08/2025 09 PM PDT            2.88              3         0              Normal
  05/08/2025 10 PM PDT            2.88              3         0              Normal
  05/08/2025 11 PM PDT            2.88              3         0              Normal
  05/09/2025 12 AM PDT            2.88              3         0              Normal
  05/09/2025 01 AM PDT            2.88              3         0              Normal
  05/09/2025 02 AM PDT            2.88              3         0              Normal
  05/09/2025 03 AM PDT            2.87              3         -              Normal
  05/09/2025 04 AM PDT            2.87              3         0              Normal
  05/09/2025 05 AM PDT            2.88              3         +              Normal
  05/09/2025 06 AM PDT            2.87              3         -              Normal
  05/09/2025 07 AM PDT            2.87              3         0              Normal
  05/09/2025 08 AM PDT            2.87              3         0              Normal
  05/09/2025 09 AM PDT            2.87              3         0              Normal
  05/09/2025 10 AM PDT            2.88              3         +              Normal
  05/09/2025 11 AM PDT            2.88              3         0              Normal
  05/09/2025 12 PM PDT            2.88              3         0              Normal
  05/09/2025 01 PM PDT            2.88              3         0              Normal
  05/09/2025 02 PM PDT            2.88              3         0              Normal
  05/09/2025 03 PM PDT            2.88              3         0              Normal
  05/09/2025 04 PM PDT            2.88              3         0              Normal
  05/09/2025 05 PM PDT            2.88              3         0              Normal
  05/09/2025 06 PM PDT            2.88              3         0              Normal
  05/09/2025 07 PM PDT            2.88              3         0              Normal
  05/09/2025 08 PM PDT            2.88              3         0              Normal
  05/09/2025 09 PM PDT            2.87              3         -              Normal
  05/09/2025 10 PM PDT            2.87              3         0              Normal
  05/09/2025 11 PM PDT            2.86              3         -              Normal
  05/10/2025 12 AM PDT            2.87              3         +              Normal
  05/10/2025 01 AM PDT            2.87              3         0              Normal
  05/10/2025 02 AM PDT            2.87              3         0              Normal
  05/10/2025 03 AM PDT            2.87              3         0              Normal
  05/10/2025 04 AM PDT            2.87              3         0              Normal
  05/10/2025 05 AM PDT            2.87              3         0              Normal
  05/10/2025 06 AM PDT            2.87              3         0              Normal
  05/10/2025 07 AM PDT            2.87              3         0              Normal
  05/10/2025 08 AM PDT            2.87              3         0              Normal
  05/10/2025 09 AM PDT            2.87              3         0              Normal
  05/10/2025 10 AM PDT            2.87              3         0              Normal
  05/10/2025 11 AM PDT            2.89              3         +              Normal
  05/10/2025 12 PM PDT            2.90              4         +              Normal
  05/10/2025 01 PM PDT            2.91              4         +              Normal
  05/10/2025 02 PM PDT            2.90              4         -              Normal
  05/10/2025 03 PM PDT            2.90              4         0              Normal
  05/10/2025 04 PM PDT            2.93              4         +              Normal
  05/10/2025 05 PM PDT            2.88              3         -              Normal
  05/10/2025 06 PM PDT            2.87              3         -              Normal
  05/10/2025 07 PM PDT            2.87              3         0              Normal
  05/10/2025 08 PM PDT            2.87              3         0              Normal
  05/10/2025 09 PM PDT            2.86              3         -              Normal
  05/10/2025 10 PM PDT            2.86              3         0              Normal
  05/10/2025 11 PM PDT            2.86              3         0              Normal
  05/11/2025 12 AM PDT            2.86              3         0              Normal
  05/11/2025 01 AM PDT            2.86              3         0              Normal
  05/11/2025 02 AM PDT            2.86              3         0              Normal
  05/11/2025 03 AM PDT            2.86              3         0              Normal
  05/11/2025 04 AM PDT            2.86              3         0              Normal
  05/11/2025 05 AM PDT            2.86              3         0              Normal
  05/11/2025 06 AM PDT            2.85              3         -              Normal
  05/11/2025 07 AM PDT            2.85              3         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/11/2025 08 AM PDT            2.85              3                        Normal
  05/11/2025 09 AM PDT            2.85              3         0              Normal
  05/11/2025 10 AM PDT            2.85              3         0              Normal
  05/11/2025 11 AM PDT            2.85              3         0              Normal
  05/11/2025 12 PM PDT            2.85              3         0              Normal
  05/11/2025 01 PM PDT            2.85              3         0              Normal
  05/11/2025 02 PM PDT            2.85              3         0              Normal
  05/11/2025 03 PM PDT            2.85              3         0              Normal
  05/11/2025 04 PM PDT            2.85              3         0              Normal
  05/11/2025 05 PM PDT            2.84              3         -              Normal
  05/11/2025 06 PM PDT            2.84              3         0              Normal
  05/11/2025 07 PM PDT            2.84              3         0              Normal
  05/11/2025 08 PM PDT            2.84              3         0              Normal
  05/11/2025 09 PM PDT            2.84              3         0              Normal
  05/11/2025 10 PM PDT            2.84              3         0              Normal
  05/11/2025 11 PM PDT            2.84              3         0              Normal
  05/12/2025 12 AM PDT            2.84              3         0              Normal
  05/12/2025 01 AM PDT            2.84              3         0              Normal
  05/12/2025 02 AM PDT            2.84              3         0              Normal
  05/12/2025 03 AM PDT            2.84              3         0              Normal
  05/12/2025 04 AM PDT            2.84              3         0              Normal
  05/12/2025 05 AM PDT            2.84              3         0              Normal
  05/12/2025 06 AM PDT            2.84              3         0              Normal
  05/12/2025 07 AM PDT            2.84              3         0              Normal
  05/12/2025 08 AM PDT            2.84              3         0              Normal
  05/12/2025 09 AM PDT            2.84              3         0              Normal
  05/12/2025 10 AM PDT            2.85              3         +              Normal
  05/12/2025 11 AM PDT            2.88              3         +              Normal
  05/12/2025 12 PM PDT            2.94              5         +              Normal
  05/12/2025 01 PM PDT            3.00              6         +              Normal
  05/12/2025 02 PM PDT            3.04              7         +              Normal
  05/12/2025 03 PM PDT            3.04              7         0              Normal
  05/12/2025 04 PM PDT            3.02              7         -              Normal
  05/12/2025 05 PM PDT            2.98              6         -              Normal
  05/12/2025 06 PM PDT            2.95              5         -              Normal
  05/12/2025 07 PM PDT            2.92              4         -              Normal
  05/12/2025 08 PM PDT            2.89              3         -              Normal
  05/12/2025 09 PM PDT            2.87              3         -              Normal
  05/12/2025 10 PM PDT            2.86              3         -              Normal
  05/12/2025 11 PM PDT            2.85              3         -              Normal
  05/13/2025 12 AM PDT            2.85              3         0              Normal
  05/13/2025 01 AM PDT            2.84              3         -              Normal
  05/13/2025 02 AM PDT            2.84              3         0              Normal
  05/13/2025 03 AM PDT            2.84              3         0              Normal
  05/13/2025 04 AM PDT            2.84              3         0              Normal
  05/13/2025 05 AM PDT            2.85              3         +              Normal
  05/13/2025 06 AM PDT            2.87              3         +              Normal
  05/13/2025 07 AM PDT            2.88              3         +              Normal
  05/13/2025 08 AM PDT            2.88              3         0              Normal
  05/13/2025 09 AM PDT            2.89              3         +              Normal
  05/13/2025 10 AM PDT            2.88              3         -              Normal
  05/13/2025 11 AM PDT            2.88              3         0              Normal
  05/13/2025 12 PM PDT            2.86              3         -              Normal
  05/13/2025 01 PM PDT            2.85              3         -              Normal
  05/13/2025 02 PM PDT            2.84              3         -              Normal
  05/13/2025 03 PM PDT            2.84              3         0              Normal
  05/13/2025 04 PM PDT            2.83              2         -              Normal
  05/13/2025 05 PM PDT            2.83              2         0              Normal
  05/13/2025 06 PM PDT            2.83              2         0              Normal
  05/13/2025 07 PM PDT            2.83              2         0              Normal
  05/13/2025 08 PM PDT            2.83              2         0              Normal
  05/13/2025 09 PM PDT            2.83              2         0              Normal
  05/13/2025 10 PM PDT            2.83              2         0              Normal
  05/13/2025 11 PM PDT            2.83              2         0              Normal
  05/14/2025 12 AM PDT            2.82              2         -              Normal
  05/14/2025 01 AM PDT            2.82              2         0              Normal
  05/14/2025 02 AM PDT            2.82              2         0              Normal
  05/14/2025 03 AM PDT            2.82              2         0              Normal
  05/14/2025 04 AM PDT            2.82              2         0              Normal
  05/14/2025 05 AM PDT            2.82              2         0              Normal
  05/14/2025 06 AM PDT            2.82              2         0              Normal
  05/14/2025 07 AM PDT            2.82              2         0              Normal
  05/14/2025 08 AM PDT            2.82              2         0              Normal
  05/14/2025 09 AM PDT            2.82              2         0              Normal
  05/14/2025 10 AM PDT            2.82              2         0              Normal
  05/14/2025 11 AM PDT            2.82              2         0              Normal
  05/14/2025 12 PM PDT            2.82              2         0              Normal
  05/14/2025 01 PM PDT            2.82              2         0              Normal
  05/14/2025 02 PM PDT            2.82              2         0              Normal
  05/14/2025 03 PM PDT            2.82              2         0              Normal
  05/14/2025 04 PM PDT            2.82              2         0              Normal
  05/14/2025 05 PM PDT            2.82              2         0              Normal
  05/14/2025 06 PM PDT            2.82              2         0              Normal
  05/14/2025 07 PM PDT            2.81              2         -              Normal
  05/14/2025 08 PM PDT            2.81              2         0              Normal
  05/14/2025 09 PM PDT            2.81              2         0              Normal
  05/14/2025 10 PM PDT            2.81              2         0              Normal
  05/14/2025 11 PM PDT            2.81              2         0              Normal
  05/15/2025 12 AM PDT            2.81              2         0              Normal
  05/15/2025 01 AM PDT            2.81              2         0              Normal
  05/15/2025 02 AM PDT            2.81              2         0              Normal
  05/15/2025 03 AM PDT            2.81              2         0              Normal
  05/15/2025 04 AM PDT            2.81              2         0              Normal
  05/15/2025 05 AM PDT            2.81              2         0              Normal
  05/15/2025 06 AM PDT            2.81              2         0              Normal
  05/15/2025 07 AM PDT            2.81              2         0              Normal
  05/15/2025 08 AM PDT            2.81              2         0              Normal
  05/15/2025 09 AM PDT            2.81              2         0              Normal
  05/15/2025 10 AM PDT            2.81              2         0              Normal
  05/15/2025 11 AM PDT            2.81              2         0              Normal
  05/15/2025 12 PM PDT            2.81              2         0              Normal
  05/15/2025 01 PM PDT            2.81              2         0              Normal
  05/15/2025 02 PM PDT            2.81              2         0              Normal
  05/15/2025 03 PM PDT            2.81              2         0              Normal
  05/15/2025 04 PM PDT            2.81              2         0              Normal
  05/15/2025 05 PM PDT            2.81              2         0              Normal
  05/15/2025 06 PM PDT            2.81              2         0              Normal
  05/15/2025 07 PM PDT            2.81              2         0              Normal
  05/15/2025 08 PM PDT            2.81              2         0              Normal
  05/15/2025 09 PM PDT            2.81              2         0              Normal
  05/15/2025 10 PM PDT            2.81              2         0              Normal
  05/15/2025 11 PM PDT            2.81              2         0              Normal
  05/16/2025 12 AM PDT            2.81              2         0              Normal
  05/16/2025 01 AM PDT            2.81              2         0              Normal
  05/16/2025 02 AM PDT            2.81              2         0              Normal
  05/16/2025 03 AM PDT            2.80              2         -              Normal
  05/16/2025 04 AM PDT            2.80              2         0              Normal
  05/16/2025 05 AM PDT            2.80              2         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.