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

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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: Dec 07 2024 at 7:57 AM PSTNext Issuance: Dec 08 2024 at 9:00 AM PST
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:  12/07/2024 at 07:58 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/05/2024 at 11:00 AM PST
# Maximum Observed Stage:                       3.09 Feet
# Maximum Observed Flow:                        2 cfs
#
# Earliest Date & Time of Maximum Forecast:     12/07/2024 at 08:00 AM PST
# Maximum Forecast Stage:                       3.07 Feet
# Maximum Forecast Flow:                        2 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/02/2024 07 AM PST            3.05              1                        Normal
  12/02/2024 08 AM PST            3.05              1         0              Normal
  12/02/2024 09 AM PST            3.05              1         0              Normal
  12/02/2024 10 AM PST            3.05              1         0              Normal
  12/02/2024 11 AM PST            3.05              1         0              Normal
  12/02/2024 12 PM PST            3.06              1         +              Normal
  12/02/2024 01 PM PST            3.06              1         0              Normal
  12/02/2024 02 PM PST            3.06              1         0              Normal
  12/02/2024 03 PM PST            3.06              1         0              Normal
  12/02/2024 04 PM PST            3.06              1         0              Normal
  12/02/2024 05 PM PST            3.06              1         0              Normal
  12/02/2024 06 PM PST            3.06              1         0              Normal
  12/02/2024 07 PM PST            3.06              1         0              Normal
  12/02/2024 08 PM PST            3.06              1         0              Normal
  12/02/2024 09 PM PST            3.05              1         -              Normal
  12/02/2024 10 PM PST            3.06              1         +              Normal
  12/02/2024 11 PM PST            3.05              1         -              Normal
  12/03/2024 12 AM PST            3.05              1         0              Normal
  12/03/2024 01 AM PST            3.05              1         0              Normal
  12/03/2024 02 AM PST            3.05              1         0              Normal
  12/03/2024 03 AM PST            3.05              1         0              Normal
  12/03/2024 04 AM PST            3.05              1         0              Normal
  12/03/2024 05 AM PST            3.05              1         0              Normal
  12/03/2024 06 AM PST            3.05              1         0              Normal
  12/03/2024 07 AM PST            3.05              1         0              Normal
  12/03/2024 08 AM PST            3.05              1         0              Normal
  12/03/2024 09 AM PST            3.05              1         0              Normal
  12/03/2024 10 AM PST            3.05              1         0              Normal
  12/03/2024 11 AM PST            3.05              1         0              Normal
  12/03/2024 12 PM PST            3.05              1         0              Normal
  12/03/2024 01 PM PST            3.06              1         +              Normal
  12/03/2024 02 PM PST            3.06              1         0              Normal
  12/03/2024 03 PM PST            3.06              1         0              Normal
  12/03/2024 04 PM PST            3.06              1         0              Normal
  12/03/2024 05 PM PST            3.06              1         0              Normal
  12/03/2024 06 PM PST            3.06              1         0              Normal
  12/03/2024 07 PM PST            3.06              1         0              Normal
  12/03/2024 08 PM PST            3.06              1         0              Normal
  12/03/2024 09 PM PST            3.06              1         0              Normal
  12/03/2024 10 PM PST            3.06              1         0              Normal
  12/03/2024 11 PM PST            3.06              1         0              Normal
  12/04/2024 12 AM PST            3.06              1         0              Normal
  12/04/2024 01 AM PST            3.06              1         0              Normal
  12/04/2024 02 AM PST            3.06              1         0              Normal
  12/04/2024 03 AM PST            3.06              1         0              Normal
  12/04/2024 04 AM PST            3.06              1         0              Normal
  12/04/2024 05 AM PST            3.06              1         0              Normal
  12/04/2024 06 AM PST            3.06              1         0              Normal
  12/04/2024 07 AM PST            3.06              1         0              Normal
  12/04/2024 08 AM PST            3.06              1         0              Normal
  12/04/2024 09 AM PST            3.06              1         0              Normal
  12/04/2024 10 AM PST            3.06              1         0              Normal
  12/04/2024 11 AM PST            3.06              1         0              Normal
  12/04/2024 12 PM PST            3.06              1         0              Normal
  12/04/2024 01 PM PST            3.06              1         0              Normal
  12/04/2024 02 PM PST            3.06              1         0              Normal
  12/04/2024 03 PM PST            3.06              1         0              Normal
  12/04/2024 04 PM PST            3.06              1         0              Normal
  12/04/2024 05 PM PST            3.06              1         0              Normal
  12/04/2024 06 PM PST            3.07              2         +              Normal
  12/04/2024 07 PM PST            3.06              1         -              Normal
  12/04/2024 08 PM PST            3.06              1         0              Normal
  12/04/2024 09 PM PST            3.06              1         0              Normal
  12/04/2024 10 PM PST            3.07              2         +              Normal
  12/04/2024 11 PM PST            3.06              1         -              Normal
  12/05/2024 12 AM PST            3.06              1         0              Normal
  12/05/2024 01 AM PST            3.06              1         0              Normal
  12/05/2024 02 AM PST            3.06              1         0              Normal
  12/05/2024 03 AM PST            3.06              1         0              Normal
  12/05/2024 04 AM PST            3.06              1         0              Normal
  12/05/2024 05 AM PST            3.06              1         0              Normal
  12/05/2024 06 AM PST            3.06              1         0              Normal
  12/05/2024 07 AM PST            3.06              1         0              Normal
  12/05/2024 08 AM PST            3.06              1         0              Normal
  12/05/2024 09 AM PST            3.06              1         0              Normal
  12/05/2024 10 AM PST            3.06              1         0              Normal
  12/05/2024 11 AM PST            3.09              2         +              Normal
  12/05/2024 12 PM PST            3.08              2         -              Normal
  12/05/2024 01 PM PST            3.07              2         -              Normal
  12/05/2024 02 PM PST            3.07              2         0              Normal
  12/05/2024 03 PM PST            3.06              1         -              Normal
  12/05/2024 04 PM PST            3.06              1         0              Normal
  12/05/2024 05 PM PST            3.06              1         0              Normal
  12/05/2024 06 PM PST            3.06              1         0              Normal
  12/05/2024 07 PM PST            3.06              1         0              Normal
  12/05/2024 08 PM PST            3.06              1         0              Normal
  12/05/2024 09 PM PST            3.07              2         +              Normal
  12/05/2024 10 PM PST            3.07              2         0              Normal
  12/05/2024 11 PM PST            3.07              2         0              Normal
  12/06/2024 12 AM PST            3.07              2         0              Normal
  12/06/2024 01 AM PST            3.07              2         0              Normal
  12/06/2024 02 AM PST            3.07              2         0              Normal
  12/06/2024 03 AM PST            3.07              2         0              Normal
  12/06/2024 04 AM PST            3.07              2         0              Normal
  12/06/2024 05 AM PST            3.06              1         -              Normal
  12/06/2024 06 AM PST            3.06              1         0              Normal
  12/06/2024 07 AM PST            3.06              1         0              Normal
  12/06/2024 08 AM PST            3.06              1         0              Normal
  12/06/2024 09 AM PST            3.06              1         0              Normal
  12/06/2024 10 AM PST            3.06              1         0              Normal
  12/06/2024 11 AM PST            3.07              2         +              Normal
  12/06/2024 12 PM PST            3.07              2         0              Normal
  12/06/2024 01 PM PST            3.06              1         -              Normal
  12/06/2024 02 PM PST            3.07              2         +              Normal
  12/06/2024 03 PM PST            3.07              2         0              Normal
  12/06/2024 04 PM PST            3.07              2         0              Normal
  12/06/2024 05 PM PST            3.06              1         -              Normal
  12/06/2024 06 PM PST            3.07              2         +              Normal
  12/06/2024 07 PM PST            3.06              1         -              Normal
  12/06/2024 08 PM PST            3.06              1         0              Normal
  12/06/2024 09 PM PST            3.06              1         0              Normal
  12/06/2024 10 PM PST            3.07              2         +              Normal
  12/06/2024 11 PM PST            3.07              2         0              Normal
  12/07/2024 12 AM PST            3.07              2         0              Normal
  12/07/2024 01 AM PST            3.07              2         0              Normal
  12/07/2024 02 AM PST            3.07              2         0              Normal
  12/07/2024 03 AM PST            3.07              2         0              Normal
  12/07/2024 04 AM PST            3.07              2         0              Normal
  12/07/2024 05 AM PST            3.06              1         -              Normal
  12/07/2024 06 AM PST            3.07              2         +              Normal
  12/07/2024 07 AM PST            3.07              2         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/07/2024 08 AM PST            3.07              2                        Normal
  12/07/2024 09 AM PST            3.07              2         0              Normal
  12/07/2024 10 AM PST            3.07              2         0              Normal
  12/07/2024 11 AM PST            3.07              2         0              Normal
  12/07/2024 12 PM PST            3.07              2         0              Normal
  12/07/2024 01 PM PST            3.07              2         0              Normal
  12/07/2024 02 PM PST            3.07              2         0              Normal
  12/07/2024 03 PM PST            3.07              2         0              Normal
  12/07/2024 04 PM PST            3.07              2         0              Normal
  12/07/2024 05 PM PST            3.07              2         0              Normal
  12/07/2024 06 PM PST            3.07              2         0              Normal
  12/07/2024 07 PM PST            3.07              2         0              Normal
  12/07/2024 08 PM PST            3.07              2         0              Normal
  12/07/2024 09 PM PST            3.07              2         0              Normal
  12/07/2024 10 PM PST            3.07              2         0              Normal
  12/07/2024 11 PM PST            3.07              2         0              Normal
  12/08/2024 12 AM PST            3.07              2         0              Normal
  12/08/2024 01 AM PST            3.07              2         0              Normal
  12/08/2024 02 AM PST            3.07              2         0              Normal
  12/08/2024 03 AM PST            3.07              2         0              Normal
  12/08/2024 04 AM PST            3.07              2         0              Normal
  12/08/2024 05 AM PST            3.07              2         0              Normal
  12/08/2024 06 AM PST            3.07              2         0              Normal
  12/08/2024 07 AM PST            3.07              2         0              Normal
  12/08/2024 08 AM PST            3.06              1         -              Normal
  12/08/2024 09 AM PST            3.06              1         0              Normal
  12/08/2024 10 AM PST            3.06              1         0              Normal
  12/08/2024 11 AM PST            3.06              1         0              Normal
  12/08/2024 12 PM PST            3.06              1         0              Normal
  12/08/2024 01 PM PST            3.06              1         0              Normal
  12/08/2024 02 PM PST            3.06              1         0              Normal
  12/08/2024 03 PM PST            3.06              1         0              Normal
  12/08/2024 04 PM PST            3.06              1         0              Normal
  12/08/2024 05 PM PST            3.06              1         0              Normal
  12/08/2024 06 PM PST            3.06              1         0              Normal
  12/08/2024 07 PM PST            3.06              1         0              Normal
  12/08/2024 08 PM PST            3.06              1         0              Normal
  12/08/2024 09 PM PST            3.06              1         0              Normal
  12/08/2024 10 PM PST            3.06              1         0              Normal
  12/08/2024 11 PM PST            3.06              1         0              Normal
  12/09/2024 12 AM PST            3.06              1         0              Normal
  12/09/2024 01 AM PST            3.06              1         0              Normal
  12/09/2024 02 AM PST            3.06              1         0              Normal
  12/09/2024 03 AM PST            3.06              1         0              Normal
  12/09/2024 04 AM PST            3.06              1         0              Normal
  12/09/2024 05 AM PST            3.06              1         0              Normal
  12/09/2024 06 AM PST            3.06              1         0              Normal
  12/09/2024 07 AM PST            3.06              1         0              Normal
  12/09/2024 08 AM PST            3.06              1         0              Normal
  12/09/2024 09 AM PST            3.06              1         0              Normal
  12/09/2024 10 AM PST            3.06              1         0              Normal
  12/09/2024 11 AM PST            3.06              1         0              Normal
  12/09/2024 12 PM PST            3.06              1         0              Normal
  12/09/2024 01 PM PST            3.06              1         0              Normal
  12/09/2024 02 PM PST            3.06              1         0              Normal
  12/09/2024 03 PM PST            3.06              1         0              Normal
  12/09/2024 04 PM PST            3.06              1         0              Normal
  12/09/2024 05 PM PST            3.06              1         0              Normal
  12/09/2024 06 PM PST            3.06              1         0              Normal
  12/09/2024 07 PM PST            3.06              1         0              Normal
  12/09/2024 08 PM PST            3.06              1         0              Normal
  12/09/2024 09 PM PST            3.06              1         0              Normal
  12/09/2024 10 PM PST            3.06              1         0              Normal
  12/09/2024 11 PM PST            3.06              1         0              Normal
  12/10/2024 12 AM PST            3.06              1         0              Normal
  12/10/2024 01 AM PST            3.06              1         0              Normal
  12/10/2024 02 AM PST            3.06              1         0              Normal
  12/10/2024 03 AM PST            3.06              1         0              Normal
  12/10/2024 04 AM PST            3.06              1         0              Normal
  12/10/2024 05 AM PST            3.06              1         0              Normal
  12/10/2024 06 AM PST            3.06              1         0              Normal
  12/10/2024 07 AM PST            3.06              1         0              Normal
  12/10/2024 08 AM PST            3.06              1         0              Normal
  12/10/2024 09 AM PST            3.06              1         0              Normal
  12/10/2024 10 AM PST            3.06              1         0              Normal
  12/10/2024 11 AM PST            3.06              1         0              Normal
  12/10/2024 12 PM PST            3.06              1         0              Normal
  12/10/2024 01 PM PST            3.06              1         0              Normal
  12/10/2024 02 PM PST            3.06              1         0              Normal
  12/10/2024 03 PM PST            3.06              1         0              Normal
  12/10/2024 04 PM PST            3.06              1         0              Normal
  12/10/2024 05 PM PST            3.06              1         0              Normal
  12/10/2024 06 PM PST            3.05              1         -              Normal
  12/10/2024 07 PM PST            3.05              1         0              Normal
  12/10/2024 08 PM PST            3.05              1         0              Normal
  12/10/2024 09 PM PST            3.05              1         0              Normal
  12/10/2024 10 PM PST            3.05              1         0              Normal
  12/10/2024 11 PM PST            3.05              1         0              Normal
  12/11/2024 12 AM PST            3.05              1         0              Normal
  12/11/2024 01 AM PST            3.05              1         0              Normal
  12/11/2024 02 AM PST            3.05              1         0              Normal
  12/11/2024 03 AM PST            3.05              1         0              Normal
  12/11/2024 04 AM PST            3.05              1         0              Normal
  12/11/2024 05 AM PST            3.05              1         0              Normal
  12/11/2024 06 AM PST            3.05              1         0              Normal
  12/11/2024 07 AM PST            3.05              1         0              Normal
  12/11/2024 08 AM PST            3.05              1         0              Normal
  12/11/2024 09 AM PST            3.05              1         0              Normal
  12/11/2024 10 AM PST            3.05              1         0              Normal
  12/11/2024 11 AM PST            3.05              1         0              Normal
  12/11/2024 12 PM PST            3.05              1         0              Normal
  12/11/2024 01 PM PST            3.05              1         0              Normal
  12/11/2024 02 PM PST            3.05              1         0              Normal
  12/11/2024 03 PM PST            3.05              1         0              Normal
  12/11/2024 04 PM PST            3.05              1         0              Normal
  12/11/2024 05 PM PST            3.05              1         0              Normal
  12/11/2024 06 PM PST            3.05              1         0              Normal
  12/11/2024 07 PM PST            3.05              1         0              Normal
  12/11/2024 08 PM PST            3.05              1         0              Normal
  12/11/2024 09 PM PST            3.05              1         0              Normal
  12/11/2024 10 PM PST            3.05              1         0              Normal
  12/11/2024 11 PM PST            3.05              1         0              Normal
  12/12/2024 12 AM PST            3.05              1         0              Normal
  12/12/2024 01 AM PST            3.05              1         0              Normal
  12/12/2024 02 AM PST            3.05              1         0              Normal
  12/12/2024 03 AM PST            3.05              1         0              Normal
  12/12/2024 04 AM PST            3.05              1         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.