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

 | 

SAN LORENZO CREEK - HAYWARD (LRZC1)
Latitude: 37.69º NLongitude: 122.06º WElevation: 133 Feet
Location: Alameda County in CaliforniaRiver Group: Central Coast
Issuance Time: Mar 27 2023 at 1:54 PM PDTNext Issuance: Mar 28 2023 at 9:00 AM PDT
Monitor Stage: N/A Flood Stage: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Lorenzo Creek - Hayward (LRZC1)
#
# File Generation Time:  03/27/2023 at 01:54 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/22/2023 at 01:00 PM PDT
# Maximum Observed Stage:                       6.7 Feet
# Maximum Observed Flow:                        339 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/28/2023 at 07:00 PM PDT
# Maximum Forecast Stage:                       6.3 Feet
# Maximum Forecast Flow:                        264 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/22/2023 01 PM PDT             6.7            339                Not Applicable
  03/22/2023 02 PM PDT             6.5            310         -      Not Applicable
  03/22/2023 03 PM PDT             6.4            292         -      Not Applicable
  03/22/2023 04 PM PDT             6.4            284         -      Not Applicable
  03/22/2023 05 PM PDT             6.3            266         -      Not Applicable
  03/22/2023 06 PM PDT             6.2            256         -      Not Applicable
  03/22/2023 07 PM PDT             6.2            252         -      Not Applicable
  03/22/2023 08 PM PDT             6.2            244         -      Not Applicable
  03/22/2023 09 PM PDT             6.2            241         -      Not Applicable
  03/22/2023 10 PM PDT             6.2            242         +      Not Applicable
  03/22/2023 11 PM PDT             6.1            233         -      Not Applicable
  03/23/2023 12 AM PDT             6.0            217         -      Not Applicable
  03/23/2023 01 AM PDT             6.0            209         -      Not Applicable
  03/23/2023 02 AM PDT             5.9            200         -      Not Applicable
  03/23/2023 03 AM PDT             5.9            196         -      Not Applicable
  03/23/2023 04 AM PDT             5.8            191         -      Not Applicable
  03/23/2023 05 AM PDT             5.8            189         -      Not Applicable
  03/23/2023 06 AM PDT             5.8            185         -      Not Applicable
  03/23/2023 07 AM PDT             5.8            180         -      Not Applicable
  03/23/2023 08 AM PDT             5.7            177         -      Not Applicable
  03/23/2023 09 AM PDT             5.7            174         -      Not Applicable
  03/23/2023 10 AM PDT             5.7            171         -      Not Applicable
  03/23/2023 11 AM PDT             5.6            167         -      Not Applicable
  03/23/2023 12 PM PDT             5.6            164         -      Not Applicable
  03/23/2023 01 PM PDT             5.6            161         -      Not Applicable
  03/23/2023 02 PM PDT             5.6            158         -      Not Applicable
  03/23/2023 03 PM PDT             5.5            156         -      Not Applicable
  03/23/2023 04 PM PDT             5.5            152         -      Not Applicable
  03/23/2023 05 PM PDT             5.5            150         -      Not Applicable
  03/23/2023 06 PM PDT             5.5            147         -      Not Applicable
  03/23/2023 07 PM PDT             5.5            146         -      Not Applicable
  03/23/2023 08 PM PDT             5.4            142         -      Not Applicable
  03/23/2023 09 PM PDT             5.4            141         -      Not Applicable
  03/23/2023 10 PM PDT             5.4            140         -      Not Applicable
  03/23/2023 11 PM PDT             5.4            140         0      Not Applicable
  03/24/2023 12 AM PDT             5.4            140         0      Not Applicable
  03/24/2023 01 AM PDT             5.4            139         -      Not Applicable
  03/24/2023 02 AM PDT             5.4            136         -      Not Applicable
  03/24/2023 03 AM PDT             5.3            135         -      Not Applicable
  03/24/2023 04 AM PDT             5.3            132         -      Not Applicable
  03/24/2023 05 AM PDT             5.3            131         -      Not Applicable
  03/24/2023 06 AM PDT             5.3            130         -      Not Applicable
  03/24/2023 07 AM PDT             5.3            128         -      Not Applicable
  03/24/2023 08 AM PDT             5.3            128         0      Not Applicable
  03/24/2023 09 AM PDT             5.3            126         -      Not Applicable
  03/24/2023 10 AM PDT             5.2            125         -      Not Applicable
  03/24/2023 11 AM PDT             5.2            125         0      Not Applicable
  03/24/2023 12 PM PDT             5.2            121         -      Not Applicable
  03/24/2023 01 PM PDT             5.2            121         0      Not Applicable
  03/24/2023 02 PM PDT             5.2            120         -      Not Applicable
  03/24/2023 03 PM PDT             5.2            119         -      Not Applicable
  03/24/2023 04 PM PDT             5.2            118         -      Not Applicable
  03/24/2023 05 PM PDT             5.2            116         -      Not Applicable
  03/24/2023 06 PM PDT             5.2            115         -      Not Applicable
  03/24/2023 07 PM PDT             5.1            113         -      Not Applicable
  03/24/2023 08 PM PDT             5.1            112         -      Not Applicable
  03/24/2023 09 PM PDT             5.1            111         -      Not Applicable
  03/24/2023 10 PM PDT             5.1            111         0      Not Applicable
  03/24/2023 11 PM PDT             5.1            110         -      Not Applicable
  03/25/2023 12 AM PDT             5.1            110         0      Not Applicable
  03/25/2023 01 AM PDT             5.1            109         -      Not Applicable
  03/25/2023 02 AM PDT             5.1            108         -      Not Applicable
  03/25/2023 03 AM PDT             5.1            108         0      Not Applicable
  03/25/2023 04 AM PDT             5.1            108         0      Not Applicable
  03/25/2023 05 AM PDT             5.1            107         -      Not Applicable
  03/25/2023 06 AM PDT             5.1            107         0      Not Applicable
  03/25/2023 07 AM PDT             5.1            106         -      Not Applicable
  03/25/2023 08 AM PDT             5.1            106         0      Not Applicable
  03/25/2023 09 AM PDT             5.0            105         -      Not Applicable
  03/25/2023 10 AM PDT             5.0            105         0      Not Applicable
  03/25/2023 11 AM PDT             5.0            103         -      Not Applicable
  03/25/2023 12 PM PDT             5.0            104         +      Not Applicable
  03/25/2023 01 PM PDT             5.0            102         -      Not Applicable
  03/25/2023 02 PM PDT             5.0            102         0      Not Applicable
  03/25/2023 03 PM PDT             5.0            101         -      Not Applicable
  03/25/2023 04 PM PDT             5.0            100         -      Not Applicable
  03/25/2023 05 PM PDT             5.0             99         -      Not Applicable
  03/25/2023 06 PM PDT             5.0             98         -      Not Applicable
  03/25/2023 07 PM PDT             5.0             97         -      Not Applicable
  03/25/2023 08 PM PDT             5.0             96         -      Not Applicable
  03/25/2023 09 PM PDT             4.9             95         -      Not Applicable
  03/25/2023 10 PM PDT             4.9             94         -      Not Applicable
  03/25/2023 11 PM PDT             4.9             94         0      Not Applicable
  03/26/2023 12 AM PDT             4.9             94         0      Not Applicable
  03/26/2023 01 AM PDT             4.9             93         -      Not Applicable
  03/26/2023 02 AM PDT             4.9             92         -      Not Applicable
  03/26/2023 03 AM PDT             4.9             92         0      Not Applicable
  03/26/2023 04 AM PDT             4.9             92         -      Not Applicable
  03/26/2023 05 AM PDT             4.9             92         +      Not Applicable
  03/26/2023 06 AM PDT             4.9             92         -      Not Applicable
  03/26/2023 07 AM PDT             4.9             92         0      Not Applicable
  03/26/2023 08 AM PDT             4.9             91         -      Not Applicable
  03/26/2023 09 AM PDT             4.9             90         -      Not Applicable
  03/26/2023 10 AM PDT             4.9             90         0      Not Applicable
  03/26/2023 11 AM PDT             4.9             90         0      Not Applicable
  03/26/2023 12 PM PDT             4.9             90         0      Not Applicable
  03/26/2023 01 PM PDT             4.9             89         -      Not Applicable
  03/26/2023 02 PM PDT             4.9             88         -      Not Applicable
  03/26/2023 03 PM PDT             4.8             87         -      Not Applicable
  03/26/2023 04 PM PDT             4.8             87         0      Not Applicable
  03/26/2023 05 PM PDT             4.8             86         -      Not Applicable
  03/26/2023 06 PM PDT             4.8             86         -      Not Applicable
  03/26/2023 07 PM PDT             4.8             85         -      Not Applicable
  03/26/2023 08 PM PDT             4.8             84         -      Not Applicable
  03/26/2023 09 PM PDT             4.8             83         -      Not Applicable
  03/26/2023 10 PM PDT             4.8             83         0      Not Applicable
  03/26/2023 11 PM PDT             4.8             83         0      Not Applicable
  03/27/2023 12 AM PDT             4.8             82         -      Not Applicable
  03/27/2023 01 AM PDT             4.8             82         0      Not Applicable
  03/27/2023 02 AM PDT             4.8             82         0      Not Applicable
  03/27/2023 03 AM PDT             4.8             82         0      Not Applicable
  03/27/2023 04 AM PDT             4.8             81         -      Not Applicable
  03/27/2023 05 AM PDT             4.8             81         0      Not Applicable
  03/27/2023 06 AM PDT             4.8             81         0      Not Applicable
  03/27/2023 07 AM PDT             4.8             81         0      Not Applicable
  03/27/2023 08 AM PDT             4.8             81         0      Not Applicable
  03/27/2023 09 AM PDT             4.8             81         -      Not Applicable
  03/27/2023 10 AM PDT             4.8             81         0      Not Applicable
  03/27/2023 11 AM PDT             4.8             81         0      Not Applicable
  03/27/2023 12 PM PDT             4.8             80         -      Not Applicable
  03/27/2023 01 PM PDT             4.8             79         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/27/2023 02 PM PDT             4.8             79                Not Applicable
  03/27/2023 03 PM PDT             4.7             78         -      Not Applicable
  03/27/2023 04 PM PDT             4.7             77         -      Not Applicable
  03/27/2023 05 PM PDT             4.7             77         -      Not Applicable
  03/27/2023 06 PM PDT             4.7             76         -      Not Applicable
  03/27/2023 07 PM PDT             4.7             75         -      Not Applicable
  03/27/2023 08 PM PDT             4.7             75         0      Not Applicable
  03/27/2023 09 PM PDT             4.7             74         -      Not Applicable
  03/27/2023 10 PM PDT             4.7             73         -      Not Applicable
  03/27/2023 11 PM PDT             4.7             73         -      Not Applicable
  03/28/2023 12 AM PDT             4.7             72         -      Not Applicable
  03/28/2023 01 AM PDT             4.7             72         0      Not Applicable
  03/28/2023 02 AM PDT             4.7             71         -      Not Applicable
  03/28/2023 03 AM PDT             4.6             70         -      Not Applicable
  03/28/2023 04 AM PDT             4.6             70         0      Not Applicable
  03/28/2023 05 AM PDT             4.6             70         -      Not Applicable
  03/28/2023 06 AM PDT             4.6             70         +      Not Applicable
  03/28/2023 07 AM PDT             4.6             70         0      Not Applicable
  03/28/2023 08 AM PDT             4.6             70         0      Not Applicable
  03/28/2023 09 AM PDT             4.7             71         +      Not Applicable
  03/28/2023 10 AM PDT             4.7             73         +      Not Applicable
  03/28/2023 11 AM PDT             4.8             81         +      Not Applicable
  03/28/2023 12 PM PDT             4.9             94         +      Not Applicable
  03/28/2023 01 PM PDT             5.0            102         +      Not Applicable
  03/28/2023 02 PM PDT             5.0            103         +      Not Applicable
  03/28/2023 03 PM PDT             5.1            106         +      Not Applicable
  03/28/2023 04 PM PDT             5.2            118         +      Not Applicable
  03/28/2023 05 PM PDT             5.7            172         +      Not Applicable
  03/28/2023 06 PM PDT             6.2            250         +      Not Applicable
  03/28/2023 07 PM PDT             6.3            264         +      Not Applicable
  03/28/2023 08 PM PDT             6.3            262         -      Not Applicable
  03/28/2023 09 PM PDT             6.1            235         -      Not Applicable
  03/28/2023 10 PM PDT             5.8            180         -      Not Applicable
  03/28/2023 11 PM PDT             5.5            150         -      Not Applicable
  03/29/2023 12 AM PDT             5.5            146         -      Not Applicable
  03/29/2023 01 AM PDT             5.3            130         -      Not Applicable
  03/29/2023 02 AM PDT             5.2            122         -      Not Applicable
  03/29/2023 03 AM PDT             5.2            119         -      Not Applicable
  03/29/2023 04 AM PDT             5.2            118         -      Not Applicable
  03/29/2023 05 AM PDT             5.2            118         0      Not Applicable
  03/29/2023 06 AM PDT             5.2            117         -      Not Applicable
  03/29/2023 07 AM PDT             5.2            117         0      Not Applicable
  03/29/2023 08 AM PDT             5.2            118         +      Not Applicable
  03/29/2023 09 AM PDT             5.2            122         +      Not Applicable
  03/29/2023 10 AM PDT             5.4            141         +      Not Applicable
  03/29/2023 11 AM PDT             5.6            167         +      Not Applicable
  03/29/2023 12 PM PDT             5.8            189         +      Not Applicable
  03/29/2023 01 PM PDT             5.9            195         +      Not Applicable
  03/29/2023 02 PM PDT             5.9            200         +      Not Applicable
  03/29/2023 03 PM PDT             6.0            205         +      Not Applicable
  03/29/2023 04 PM PDT             6.0            211         +      Not Applicable
  03/29/2023 05 PM PDT             6.0            216         +      Not Applicable
  03/29/2023 06 PM PDT             6.1            220         +      Not Applicable
  03/29/2023 07 PM PDT             6.1            222         +      Not Applicable
  03/29/2023 08 PM PDT             6.1            220         -      Not Applicable
  03/29/2023 09 PM PDT             6.0            211         -      Not Applicable
  03/29/2023 10 PM PDT             5.8            186         -      Not Applicable
  03/29/2023 11 PM PDT             5.7            175         -      Not Applicable
  03/30/2023 12 AM PDT             5.7            169         -      Not Applicable
  03/30/2023 01 AM PDT             5.6            165         -      Not Applicable
  03/30/2023 02 AM PDT             5.6            161         -      Not Applicable
  03/30/2023 03 AM PDT             5.6            158         -      Not Applicable
  03/30/2023 04 AM PDT             5.5            152         -      Not Applicable
  03/30/2023 05 AM PDT             5.5            147         -      Not Applicable
  03/30/2023 06 AM PDT             5.4            141         -      Not Applicable
  03/30/2023 07 AM PDT             5.4            138         -      Not Applicable
  03/30/2023 08 AM PDT             5.4            137         -      Not Applicable
  03/30/2023 09 AM PDT             5.3            135         -      Not Applicable
  03/30/2023 10 AM PDT             5.3            133         -      Not Applicable
  03/30/2023 11 AM PDT             5.3            131         -      Not Applicable
  03/30/2023 12 PM PDT             5.3            130         -      Not Applicable
  03/30/2023 01 PM PDT             5.3            128         -      Not Applicable
  03/30/2023 02 PM PDT             5.3            127         -      Not Applicable
  03/30/2023 03 PM PDT             5.3            126         -      Not Applicable
  03/30/2023 04 PM PDT             5.2            125         -      Not Applicable
  03/30/2023 05 PM PDT             5.2            123         -      Not Applicable
  03/30/2023 06 PM PDT             5.2            122         -      Not Applicable
  03/30/2023 07 PM PDT             5.2            121         -      Not Applicable
  03/30/2023 08 PM PDT             5.2            120         -      Not Applicable
  03/30/2023 09 PM PDT             5.2            119         -      Not Applicable
  03/30/2023 10 PM PDT             5.2            118         -      Not Applicable
  03/30/2023 11 PM PDT             5.2            118         -      Not Applicable
  03/31/2023 12 AM PDT             5.2            117         -      Not Applicable
  03/31/2023 01 AM PDT             5.2            116         -      Not Applicable
  03/31/2023 02 AM PDT             5.2            115         -      Not Applicable
  03/31/2023 03 AM PDT             5.1            114         -      Not Applicable
  03/31/2023 04 AM PDT             5.1            113         -      Not Applicable
  03/31/2023 05 AM PDT             5.1            112         -      Not Applicable
  03/31/2023 06 AM PDT             5.1            112         0      Not Applicable
  03/31/2023 07 AM PDT             5.1            111         -      Not Applicable
  03/31/2023 08 AM PDT             5.1            110         -      Not Applicable
  03/31/2023 09 AM PDT             5.1            109         -      Not Applicable
  03/31/2023 10 AM PDT             5.1            108         -      Not Applicable
  03/31/2023 11 AM PDT             5.1            107         -      Not Applicable
  03/31/2023 12 PM PDT             5.1            106         -      Not Applicable
  03/31/2023 01 PM PDT             5.0            105         -      Not Applicable
  03/31/2023 02 PM PDT             5.0            104         -      Not Applicable
  03/31/2023 03 PM PDT             5.0            103         -      Not Applicable
  03/31/2023 04 PM PDT             5.0            103         0      Not Applicable
  03/31/2023 05 PM PDT             5.0            102         -      Not Applicable
  03/31/2023 06 PM PDT             5.0            101         -      Not Applicable
  03/31/2023 07 PM PDT             5.0            100         -      Not Applicable
  03/31/2023 08 PM PDT             5.0            100         -      Not Applicable
  03/31/2023 09 PM PDT             5.0             99         -      Not Applicable
  03/31/2023 10 PM PDT             5.0             99         0      Not Applicable
  03/31/2023 11 PM PDT             5.0             98         -      Not Applicable
  04/01/2023 12 AM PDT             5.0             97         -      Not Applicable
  04/01/2023 01 AM PDT             5.0             97         0      Not Applicable
  04/01/2023 02 AM PDT             5.0             96         -      Not Applicable
  04/01/2023 03 AM PDT             4.9             95         -      Not Applicable
  04/01/2023 04 AM PDT             4.9             95         0      Not Applicable
  04/01/2023 05 AM PDT             4.9             94         -      Not Applicable
#
# 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.