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: Mar 27 2024 at 3:19 PM PDTNext Issuance: Mar 28 2024 at 9:00 AM PDT
Monitor Stage: 20.85 FeetFlood Stage: 24.6 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Lorenzo Creek - Hayward (LRZC1)
#
# File Generation Time:  03/27/2024 at 03:20 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/23/2024 at 11:00 AM PDT
# Maximum Observed Stage:                       5.0 Feet
# Maximum Observed Flow:                        126 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/30/2024 at 02:00 AM PDT
# Maximum Forecast Stage:                       5.2 Feet
# Maximum Forecast Flow:                        146 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/22/2024 03 PM PDT             3.6             25                        Normal
  03/22/2024 04 PM PDT             3.6             25         0              Normal
  03/22/2024 05 PM PDT             3.6             25         0              Normal
  03/22/2024 06 PM PDT             3.6             25         0              Normal
  03/22/2024 07 PM PDT             3.6             25         +              Normal
  03/22/2024 08 PM PDT             3.7             28         +              Normal
  03/22/2024 09 PM PDT             4.1             53         +              Normal
  03/22/2024 10 PM PDT             4.6             94         +              Normal
  03/22/2024 11 PM PDT             4.7            102         +              Normal
  03/23/2024 12 AM PDT             4.9            117         +              Normal
  03/23/2024 01 AM PDT             4.8            111         -              Normal
  03/23/2024 02 AM PDT             4.7            102         -              Normal
  03/23/2024 03 AM PDT             4.7             95         -              Normal
  03/23/2024 04 AM PDT             4.5             82         -              Normal
  03/23/2024 05 AM PDT             4.4             74         -              Normal
  03/23/2024 06 AM PDT             4.3             64         -              Normal
  03/23/2024 07 AM PDT             4.4             73         +              Normal
  03/23/2024 08 AM PDT             4.3             68         -              Normal
  03/23/2024 09 AM PDT             4.5             82         +              Normal
  03/23/2024 10 AM PDT             4.4             77         -              Normal
  03/23/2024 11 AM PDT             5.0            126         +              Normal
  03/23/2024 12 PM PDT             4.8            104         -              Normal
  03/23/2024 01 PM PDT             4.7            100         -              Normal
  03/23/2024 02 PM PDT             4.6             89         -              Normal
  03/23/2024 03 PM PDT             4.4             73         -              Normal
  03/23/2024 04 PM PDT             4.3             66         -              Normal
  03/23/2024 05 PM PDT             4.2             59         -              Normal
  03/23/2024 06 PM PDT             4.1             54         -              Normal
  03/23/2024 07 PM PDT             4.1             51         -              Normal
  03/23/2024 08 PM PDT             4.1             52         +              Normal
  03/23/2024 09 PM PDT             4.1             52         0              Normal
  03/23/2024 10 PM PDT             4.0             49         -              Normal
  03/23/2024 11 PM PDT             4.1             51         +              Normal
  03/24/2024 12 AM PDT             4.3             64         +              Normal
  03/24/2024 01 AM PDT             4.1             55         -              Normal
  03/24/2024 02 AM PDT             4.3             64         +              Normal
  03/24/2024 03 AM PDT             4.3             67         +              Normal
  03/24/2024 04 AM PDT             4.3             64         -              Normal
  03/24/2024 05 AM PDT             4.3             67         +              Normal
  03/24/2024 06 AM PDT             4.3             67         -              Normal
  03/24/2024 07 AM PDT             4.3             65         -              Normal
  03/24/2024 08 AM PDT             4.2             60         -              Normal
  03/24/2024 09 AM PDT             4.2             56         -              Normal
  03/24/2024 10 AM PDT             4.1             53         -              Normal
  03/24/2024 11 AM PDT             4.1             50         -              Normal
  03/24/2024 12 PM PDT             4.0             48         -              Normal
  03/24/2024 01 PM PDT             4.0             47         -              Normal
  03/24/2024 02 PM PDT             4.0             45         -              Normal
  03/24/2024 03 PM PDT             4.0             44         -              Normal
  03/24/2024 04 PM PDT             3.9             42         -              Normal
  03/24/2024 05 PM PDT             3.9             41         -              Normal
  03/24/2024 06 PM PDT             3.9             41         -              Normal
  03/24/2024 07 PM PDT             3.9             41         0              Normal
  03/24/2024 08 PM PDT             3.9             42         +              Normal
  03/24/2024 09 PM PDT             4.0             43         +              Normal
  03/24/2024 10 PM PDT             3.9             41         -              Normal
  03/24/2024 11 PM PDT             3.9             39         -              Normal
  03/25/2024 12 AM PDT             3.9             38         -              Normal
  03/25/2024 01 AM PDT             3.9             37         -              Normal
  03/25/2024 02 AM PDT             3.8             36         -              Normal
  03/25/2024 03 AM PDT             3.8             36         0              Normal
  03/25/2024 04 AM PDT             3.8             36         -              Normal
  03/25/2024 05 AM PDT             3.8             35         -              Normal
  03/25/2024 06 AM PDT             3.8             35         -              Normal
  03/25/2024 07 AM PDT             3.8             35         0              Normal
  03/25/2024 08 AM PDT             3.8             35         0              Normal
  03/25/2024 09 AM PDT             3.8             35         0              Normal
  03/25/2024 10 AM PDT             3.8             35         0              Normal
  03/25/2024 11 AM PDT             3.8             34         -              Normal
  03/25/2024 12 PM PDT             3.8             34         0              Normal
  03/25/2024 01 PM PDT             3.8             34         0              Normal
  03/25/2024 02 PM PDT             3.8             33         -              Normal
  03/25/2024 03 PM PDT             3.8             33         0              Normal
  03/25/2024 04 PM PDT             3.8             33         0              Normal
  03/25/2024 05 PM PDT             3.8             33         0              Normal
  03/25/2024 06 PM PDT             3.8             32         -              Normal
  03/25/2024 07 PM PDT             3.8             32         0              Normal
  03/25/2024 08 PM PDT             3.8             32         0              Normal
  03/25/2024 09 PM PDT             3.8             32         0              Normal
  03/25/2024 10 PM PDT             3.7             31         -              Normal
  03/25/2024 11 PM PDT             3.7             31         0              Normal
  03/26/2024 12 AM PDT             3.7             31         0              Normal
  03/26/2024 01 AM PDT             3.7             31         0              Normal
  03/26/2024 02 AM PDT             3.7             30         -              Normal
  03/26/2024 03 AM PDT             3.7             30         0              Normal
  03/26/2024 04 AM PDT             3.7             30         0              Normal
  03/26/2024 05 AM PDT             3.7             30         0              Normal
  03/26/2024 06 AM PDT             3.7             30         0              Normal
  03/26/2024 07 AM PDT             3.7             30         -              Normal
  03/26/2024 08 AM PDT             3.7             30         0              Normal
  03/26/2024 09 AM PDT             3.7             30         0              Normal
  03/26/2024 10 AM PDT             3.7             30         0              Normal
  03/26/2024 11 AM PDT             3.7             30         0              Normal
  03/26/2024 12 PM PDT             3.7             30         0              Normal
  03/26/2024 01 PM PDT             3.7             30         0              Normal
  03/26/2024 02 PM PDT             3.7             30         0              Normal
  03/26/2024 03 PM PDT             3.7             29         -              Normal
  03/26/2024 04 PM PDT             3.7             29         -              Normal
  03/26/2024 05 PM PDT             3.7             29         0              Normal
  03/26/2024 06 PM PDT             3.7             29         0              Normal
  03/26/2024 07 PM PDT             3.7             28         -              Normal
  03/26/2024 08 PM PDT             3.7             28         0              Normal
  03/26/2024 09 PM PDT             3.7             28         0              Normal
  03/26/2024 10 PM PDT             3.7             28         0              Normal
  03/26/2024 11 PM PDT             3.7             28         -              Normal
  03/27/2024 12 AM PDT             3.7             28         0              Normal
  03/27/2024 01 AM PDT             3.7             28         0              Normal
  03/27/2024 02 AM PDT             3.7             28         0              Normal
  03/27/2024 03 AM PDT             3.7             28         0              Normal
  03/27/2024 04 AM PDT             3.7             27         -              Normal
  03/27/2024 05 AM PDT             3.7             27         0              Normal
  03/27/2024 06 AM PDT             3.7             27         0              Normal
  03/27/2024 07 AM PDT             3.7             27         0              Normal
  03/27/2024 08 AM PDT             3.7             28         +              Normal
  03/27/2024 09 AM PDT             3.7             28         0              Normal
  03/27/2024 10 AM PDT             3.7             29         +              Normal
  03/27/2024 11 AM PDT             3.7             28         -              Normal
  03/27/2024 12 PM PDT             3.7             28         -              Normal
  03/27/2024 01 PM PDT             3.7             28         0              Normal
  03/27/2024 02 PM PDT             3.7             27         -              Normal
  03/27/2024 03 PM PDT             3.7             27         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/27/2024 04 PM PDT             3.7             27                        Normal
  03/27/2024 05 PM PDT             3.7             27         0              Normal
  03/27/2024 06 PM PDT             3.7             27         0              Normal
  03/27/2024 07 PM PDT             3.7             28         +              Normal
  03/27/2024 08 PM PDT             3.7             28         0              Normal
  03/27/2024 09 PM PDT             3.7             28         +              Normal
  03/27/2024 10 PM PDT             3.7             29         +              Normal
  03/27/2024 11 PM PDT             3.7             30         +              Normal
  03/28/2024 12 AM PDT             3.8             35         +              Normal
  03/28/2024 01 AM PDT             3.9             40         +              Normal
  03/28/2024 02 AM PDT             4.0             44         +              Normal
  03/28/2024 03 AM PDT             4.0             47         +              Normal
  03/28/2024 04 AM PDT             4.0             49         +              Normal
  03/28/2024 05 AM PDT             4.0             49         0              Normal
  03/28/2024 06 AM PDT             4.0             47         -              Normal
  03/28/2024 07 AM PDT             4.0             45         -              Normal
  03/28/2024 08 AM PDT             4.0             45         0              Normal
  03/28/2024 09 AM PDT             4.0             48         +              Normal
  03/28/2024 10 AM PDT             4.1             54         +              Normal
  03/28/2024 11 AM PDT             4.2             57         +              Normal
  03/28/2024 12 PM PDT             4.1             55         -              Normal
  03/28/2024 01 PM PDT             4.0             48         -              Normal
  03/28/2024 02 PM PDT             4.0             43         -              Normal
  03/28/2024 03 PM PDT             3.9             40         -              Normal
  03/28/2024 04 PM PDT             3.8             37         -              Normal
  03/28/2024 05 PM PDT             3.8             35         -              Normal
  03/28/2024 06 PM PDT             3.8             32         -              Normal
  03/28/2024 07 PM PDT             3.7             30         -              Normal
  03/28/2024 08 PM PDT             3.7             28         -              Normal
  03/28/2024 09 PM PDT             3.6             27         -              Normal
  03/28/2024 10 PM PDT             3.6             26         -              Normal
  03/28/2024 11 PM PDT             3.6             25         -              Normal
  03/29/2024 12 AM PDT             3.6             25         -              Normal
  03/29/2024 01 AM PDT             3.6             24         -              Normal
  03/29/2024 02 AM PDT             3.6             24         -              Normal
  03/29/2024 03 AM PDT             3.6             23         -              Normal
  03/29/2024 04 AM PDT             3.6             23         0              Normal
  03/29/2024 05 AM PDT             3.6             23         -              Normal
  03/29/2024 06 AM PDT             3.6             23         0              Normal
  03/29/2024 07 AM PDT             3.5             22         -              Normal
  03/29/2024 08 AM PDT             3.5             22         0              Normal
  03/29/2024 09 AM PDT             3.5             22         0              Normal
  03/29/2024 10 AM PDT             3.5             22         -              Normal
  03/29/2024 11 AM PDT             3.5             22         +              Normal
  03/29/2024 12 PM PDT             3.6             23         +              Normal
  03/29/2024 01 PM PDT             3.6             24         +              Normal
  03/29/2024 02 PM PDT             3.6             25         +              Normal
  03/29/2024 03 PM PDT             3.6             25         +              Normal
  03/29/2024 04 PM PDT             3.6             27         +              Normal
  03/29/2024 05 PM PDT             3.7             30         +              Normal
  03/29/2024 06 PM PDT             4.0             43         +              Normal
  03/29/2024 07 PM PDT             4.3             70         +              Normal
  03/29/2024 08 PM PDT             4.7            101         +              Normal
  03/29/2024 09 PM PDT             5.0            129         +              Normal
  03/29/2024 10 PM PDT             5.1            141         +              Normal
  03/29/2024 11 PM PDT             5.1            140         -              Normal
  03/30/2024 12 AM PDT             5.1            141         +              Normal
  03/30/2024 01 AM PDT             5.2            144         +              Normal
  03/30/2024 02 AM PDT             5.2            146         +              Normal
  03/30/2024 03 AM PDT             5.2            146         -              Normal
  03/30/2024 04 AM PDT             5.1            137         -              Normal
  03/30/2024 05 AM PDT             4.9            119         -              Normal
  03/30/2024 06 AM PDT             4.8            105         -              Normal
  03/30/2024 07 AM PDT             4.7            100         -              Normal
  03/30/2024 08 AM PDT             4.7             96         -              Normal
  03/30/2024 09 AM PDT             4.6             93         -              Normal
  03/30/2024 10 AM PDT             4.6             91         -              Normal
  03/30/2024 11 AM PDT             4.6             87         -              Normal
  03/30/2024 12 PM PDT             4.5             83         -              Normal
  03/30/2024 01 PM PDT             4.5             79         -              Normal
  03/30/2024 02 PM PDT             4.4             77         -              Normal
  03/30/2024 03 PM PDT             4.4             75         -              Normal
  03/30/2024 04 PM PDT             4.4             76         +              Normal
  03/30/2024 05 PM PDT             4.5             83         +              Normal
  03/30/2024 06 PM PDT             4.7             96         +              Normal
  03/30/2024 07 PM PDT             4.8            106         +              Normal
  03/30/2024 08 PM PDT             4.9            118         +              Normal
  03/30/2024 09 PM PDT             4.9            118         0              Normal
  03/30/2024 10 PM PDT             4.8            114         -              Normal
  03/30/2024 11 PM PDT             4.8            105         -              Normal
  03/31/2024 12 AM PDT             4.7             99         -              Normal
  03/31/2024 01 AM PDT             4.6             92         -              Normal
  03/31/2024 02 AM PDT             4.6             88         -              Normal
  03/31/2024 03 AM PDT             4.5             86         -              Normal
  03/31/2024 04 AM PDT             4.5             84         -              Normal
  03/31/2024 05 AM PDT             4.5             81         -              Normal
  03/31/2024 06 AM PDT             4.5             78         -              Normal
  03/31/2024 07 AM PDT             4.4             76         -              Normal
  03/31/2024 08 AM PDT             4.4             73         -              Normal
  03/31/2024 09 AM PDT             4.4             72         -              Normal
  03/31/2024 10 AM PDT             4.4             71         -              Normal
  03/31/2024 11 AM PDT             4.3             70         -              Normal
  03/31/2024 12 PM PDT             4.3             69         -              Normal
  03/31/2024 01 PM PDT             4.3             68         -              Normal
  03/31/2024 02 PM PDT             4.3             67         -              Normal
  03/31/2024 03 PM PDT             4.3             67         -              Normal
  03/31/2024 04 PM PDT             4.3             66         -              Normal
  03/31/2024 05 PM PDT             4.3             65         -              Normal
  03/31/2024 06 PM PDT             4.3             65         0              Normal
  03/31/2024 07 PM PDT             4.3             64         -              Normal
  03/31/2024 08 PM PDT             4.3             64         -              Normal
  03/31/2024 09 PM PDT             4.2             63         -              Normal
  03/31/2024 10 PM PDT             4.2             62         -              Normal
  03/31/2024 11 PM PDT             4.2             61         -              Normal
  04/01/2024 12 AM PDT             4.2             61         -              Normal
  04/01/2024 01 AM PDT             4.2             60         -              Normal
  04/01/2024 02 AM PDT             4.2             59         -              Normal
  04/01/2024 03 AM PDT             4.2             59         -              Normal
  04/01/2024 04 AM PDT             4.2             58         -              Normal
  04/01/2024 05 AM PDT             4.2             57         -              Normal
#
# NOTE 1: Stages are rounded to the nearest tenth (.1) 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.