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 6:37 AM PSTNext Issuance: Nov 09 2026 at 3:00 PM 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 06:38 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/09/2026 at 05:00 AM PST
# Maximum Observed Stage:                       2.58 Feet
# Maximum Observed Flow:                        0 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/14/2026 at 02:00 AM PST
# Maximum Forecast Stage:                       3.30 Feet
# Maximum Forecast Flow:                        17 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/04/2026 06 AM PST            2.58              0                        Normal
  11/04/2026 07 AM PST            2.58              0         0              Normal
  11/04/2026 08 AM PST            2.57              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            2.57              0         0              Normal
  11/04/2026 12 PM PST            2.58              0         +              Normal
  11/04/2026 01 PM PST            2.58              0         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            2.57              0         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/09/2026 07 AM PST            2.56              0                        Normal
  11/09/2026 08 AM PST            2.53              0         -              Normal
  11/09/2026 09 AM PST            2.53              0         0              Normal
  11/09/2026 10 AM PST            2.53              0         0              Normal
  11/09/2026 11 AM PST            2.53              0         0              Normal
  11/09/2026 12 PM PST            2.53              0         0              Normal
  11/09/2026 01 PM PST            2.53              0         0              Normal
  11/09/2026 02 PM PST            2.53              0         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            2.57              0         +              Normal
  11/13/2026 10 AM PST            2.61              0         +              Normal
  11/13/2026 11 AM PST            2.71              1         +              Normal
  11/13/2026 12 PM PST            2.80              2         +              Normal
  11/13/2026 01 PM PST            2.84              2         +              Normal
  11/13/2026 02 PM PST            2.86              3         +              Normal
  11/13/2026 03 PM PST            2.88              3         +              Normal
  11/13/2026 04 PM PST            2.92              4         +              Normal
  11/13/2026 05 PM PST            3.00              6         +              Normal
  11/13/2026 06 PM PST            3.08              9         +              Normal
  11/13/2026 07 PM PST            3.14             11         +              Normal
  11/13/2026 08 PM PST            3.18             12         +              Normal
  11/13/2026 09 PM PST            3.20             13         +              Normal
  11/13/2026 10 PM PST            3.22             14         +              Normal
  11/13/2026 11 PM PST            3.25             15         +              Normal
  11/14/2026 12 AM PST            3.27             16         +              Normal
  11/14/2026 01 AM PST            3.29             17         +              Normal
  11/14/2026 02 AM PST            3.30             17         +              Normal
  11/14/2026 03 AM PST            3.30             17         0              Normal
  11/14/2026 04 AM PST            3.29             17         -              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.