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: Feb 21 2026 at 8:47 AM PSTNext Issuance: Feb 22 2026 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:  02/21/2026 at 08:49 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/17/2026 at 03:00 PM PST
# Maximum Observed Stage:                       7.32 Feet
# Maximum Observed Flow:                        511 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/25/2026 at 03:00 AM PST
# Maximum Forecast Stage:                       3.98 Feet
# Maximum Forecast Flow:                        59 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/16/2026 08 AM PST            3.82             48                        Normal
  02/16/2026 09 AM PST            3.80             46         -              Normal
  02/16/2026 10 AM PST            3.81             47         +              Normal
  02/16/2026 11 AM PST            3.87             51         +              Normal
  02/16/2026 12 PM PST            3.82             48         -              Normal
  02/16/2026 01 PM PST            3.71             40         -              Normal
  02/16/2026 02 PM PST            3.73             42         +              Normal
  02/16/2026 03 PM PST            4.04             64         +              Normal
  02/16/2026 04 PM PST            4.14             72         +              Normal
  02/16/2026 05 PM PST            3.97             58         -              Normal
  02/16/2026 06 PM PST            4.06             65         +              Normal
  02/16/2026 07 PM PST            3.89             53         -              Normal
  02/16/2026 08 PM PST            3.70             40         -              Normal
  02/16/2026 09 PM PST            4.07             66         +              Normal
  02/16/2026 10 PM PST            4.36             91         +              Normal
  02/16/2026 11 PM PST            3.94             56         -              Normal
  02/17/2026 12 AM PST            3.83             48         -              Normal
  02/17/2026 01 AM PST            3.72             41         -              Normal
  02/17/2026 02 AM PST            3.68             38         -              Normal
  02/17/2026 03 AM PST            3.59             33         -              Normal
  02/17/2026 04 AM PST            3.51             28         -              Normal
  02/17/2026 05 AM PST            3.44             25         -              Normal
  02/17/2026 06 AM PST            3.39             24         -              Normal
  02/17/2026 07 AM PST            3.41             24         +              Normal
  02/17/2026 08 AM PST            3.43             25         +              Normal
  02/17/2026 09 AM PST            3.77             44         +              Normal
  02/17/2026 10 AM PST            4.91            147         +              Normal
  02/17/2026 11 AM PST            5.30            193         +              Normal
  02/17/2026 12 PM PST            5.63            236         +              Normal
  02/17/2026 01 PM PST            6.61            385         +              Normal
  02/17/2026 02 PM PST            7.27            502         +              Normal
  02/17/2026 03 PM PST            7.32            511         +              Normal
  02/17/2026 04 PM PST            6.85            426         -              Normal
  02/17/2026 05 PM PST            6.18            316         -              Normal
  02/17/2026 06 PM PST            5.71            247         -              Normal
  02/17/2026 07 PM PST            5.65            239         -              Normal
  02/17/2026 08 PM PST            5.56            227         -              Normal
  02/17/2026 09 PM PST            6.24            325         +              Normal
  02/17/2026 10 PM PST            5.98            286         -              Normal
  02/17/2026 11 PM PST            6.15            311         +              Normal
  02/18/2026 12 AM PST            5.96            283         -              Normal
  02/18/2026 01 AM PST            5.55            225         -              Normal
  02/18/2026 02 AM PST            5.40            206         -              Normal
  02/18/2026 03 AM PST            4.97            154         -              Normal
  02/18/2026 04 AM PST            4.76            131         -              Normal
  02/18/2026 05 AM PST            4.67            121         -              Normal
  02/18/2026 06 AM PST            4.54            108         -              Normal
  02/18/2026 07 AM PST            4.43             98         -              Normal
  02/18/2026 08 AM PST            4.34             89         -              Normal
  02/18/2026 09 AM PST            4.27             83         -              Normal
  02/18/2026 10 AM PST            4.13             71         -              Normal
  02/18/2026 11 AM PST            4.13             71         0              Normal
  02/18/2026 12 PM PST            4.06             65         -              Normal
  02/18/2026 01 PM PST            4.38             93         +              Normal
  02/18/2026 02 PM PST            4.65            119         +              Normal
  02/18/2026 03 PM PST            4.60            114         -              Normal
  02/18/2026 04 PM PST            4.51            105         -              Normal
  02/18/2026 05 PM PST            4.45             99         -              Normal
  02/18/2026 06 PM PST            4.33             88         -              Normal
  02/18/2026 07 PM PST            4.26             82         -              Normal
  02/18/2026 08 PM PST            4.12             70         -              Normal
  02/18/2026 09 PM PST            4.07             66         -              Normal
  02/18/2026 10 PM PST            4.14             72         +              Normal
  02/18/2026 11 PM PST            4.07             66         -              Normal
  02/19/2026 12 AM PST            4.07             66         0              Normal
  02/19/2026 01 AM PST            4.06             65         -              Normal
  02/19/2026 02 AM PST            4.16             74         +              Normal
  02/19/2026 03 AM PST            4.83            138         +              Normal
  02/19/2026 04 AM PST            5.23            184         +              Normal
  02/19/2026 05 AM PST            5.44            211         +              Normal
  02/19/2026 06 AM PST            6.40            350         +              Normal
  02/19/2026 07 AM PST            6.23            324         -              Normal
  02/19/2026 08 AM PST            5.72            249         -              Normal
  02/19/2026 09 AM PST            5.64            238         -              Normal
  02/19/2026 10 AM PST            5.41            207         -              Normal
  02/19/2026 11 AM PST            5.29            192         -              Normal
  02/19/2026 12 PM PST            5.06            164         -              Normal
  02/19/2026 01 PM PST            4.89            145         -              Normal
  02/19/2026 02 PM PST            4.74            128         -              Normal
  02/19/2026 03 PM PST            4.64            118         -              Normal
  02/19/2026 04 PM PST            4.58            112         -              Normal
  02/19/2026 05 PM PST            4.46            100         -              Normal
  02/19/2026 06 PM PST            4.38             93         -              Normal
  02/19/2026 07 PM PST            4.29             85         -              Normal
  02/19/2026 08 PM PST            4.26             82         -              Normal
  02/19/2026 09 PM PST            4.21             78         -              Normal
  02/19/2026 10 PM PST            4.16             74         -              Normal
  02/19/2026 11 PM PST            4.08             67         -              Normal
  02/20/2026 12 AM PST            4.06             65         -              Normal
  02/20/2026 01 AM PST            4.01             62         -              Normal
  02/20/2026 02 AM PST            4.01             62         0              Normal
  02/20/2026 03 AM PST            3.94             56         -              Normal
  02/20/2026 04 AM PST            3.91             54         -              Normal
  02/20/2026 05 AM PST            4.02             62         +              Normal
  02/20/2026 06 AM PST            3.86             50         -              Normal
  02/20/2026 07 AM PST            3.87             51         +              Normal
  02/20/2026 08 AM PST            3.86             50         -              Normal
  02/20/2026 09 AM PST            3.83             48         -              Normal
  02/20/2026 10 AM PST            3.75             43         -              Normal
  02/20/2026 11 AM PST            3.74             42         -              Normal
  02/20/2026 12 PM PST            3.77             44         +              Normal
  02/20/2026 01 PM PST            3.78             45         +              Normal
  02/20/2026 02 PM PST            3.72             41         -              Normal
  02/20/2026 03 PM PST            3.70             40         -              Normal
  02/20/2026 04 PM PST            3.70             40         0              Normal
  02/20/2026 05 PM PST            3.68             38         -              Normal
  02/20/2026 06 PM PST            3.66             37         -              Normal
  02/20/2026 07 PM PST            3.66             37         0              Normal
  02/20/2026 08 PM PST            3.65             36         -              Normal
  02/20/2026 09 PM PST            3.66             37         +              Normal
  02/20/2026 10 PM PST            3.61             34         -              Normal
  02/20/2026 11 PM PST            3.56             31         -              Normal
  02/21/2026 12 AM PST            3.57             32         +              Normal
  02/21/2026 01 AM PST            3.55             30         -              Normal
  02/21/2026 02 AM PST            3.54             30         -              Normal
  02/21/2026 03 AM PST            3.53             29         -              Normal
  02/21/2026 04 AM PST            3.53             29         0              Normal
  02/21/2026 05 AM PST            3.52             29         -              Normal
  02/21/2026 06 AM PST            3.51             28         -              Normal
  02/21/2026 07 AM PST            3.50             28         -              Normal
  02/21/2026 08 AM PST            3.49             27         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/21/2026 09 AM PST            3.49             27                        Normal
  02/21/2026 10 AM PST            3.48             27         -              Normal
  02/21/2026 11 AM PST            3.46             26         -              Normal
  02/21/2026 12 PM PST            3.45             26         -              Normal
  02/21/2026 01 PM PST            3.44             25         -              Normal
  02/21/2026 02 PM PST            3.42             25         -              Normal
  02/21/2026 03 PM PST            3.41             24         -              Normal
  02/21/2026 04 PM PST            3.40             24         -              Normal
  02/21/2026 05 PM PST            3.38             23         -              Normal
  02/21/2026 06 PM PST            3.37             23         -              Normal
  02/21/2026 07 PM PST            3.36             23         -              Normal
  02/21/2026 08 PM PST            3.34             22         -              Normal
  02/21/2026 09 PM PST            3.33             22         -              Normal
  02/21/2026 10 PM PST            3.32             22         -              Normal
  02/21/2026 11 PM PST            3.30             21         -              Normal
  02/22/2026 12 AM PST            3.29             21         -              Normal
  02/22/2026 01 AM PST            3.28             21         -              Normal
  02/22/2026 02 AM PST            3.27             20         -              Normal
  02/22/2026 03 AM PST            3.25             20         -              Normal
  02/22/2026 04 AM PST            3.24             19         -              Normal
  02/22/2026 05 AM PST            3.23             19         -              Normal
  02/22/2026 06 AM PST            3.22             19         -              Normal
  02/22/2026 07 AM PST            3.21             18         -              Normal
  02/22/2026 08 AM PST            3.20             18         -              Normal
  02/22/2026 09 AM PST            3.20             18         0              Normal
  02/22/2026 10 AM PST            3.19             17         -              Normal
  02/22/2026 11 AM PST            3.19             17         0              Normal
  02/22/2026 12 PM PST            3.18             17         -              Normal
  02/22/2026 01 PM PST            3.17             17         -              Normal
  02/22/2026 02 PM PST            3.17             17         0              Normal
  02/22/2026 03 PM PST            3.16             16         -              Normal
  02/22/2026 04 PM PST            3.15             16         -              Normal
  02/22/2026 05 PM PST            3.15             16         0              Normal
  02/22/2026 06 PM PST            3.14             15         -              Normal
  02/22/2026 07 PM PST            3.13             15         -              Normal
  02/22/2026 08 PM PST            3.13             15         0              Normal
  02/22/2026 09 PM PST            3.12             14         -              Normal
  02/22/2026 10 PM PST            3.11             14         -              Normal
  02/22/2026 11 PM PST            3.11             14         0              Normal
  02/23/2026 12 AM PST            3.10             14         -              Normal
  02/23/2026 01 AM PST            3.09             13         -              Normal
  02/23/2026 02 AM PST            3.09             13         0              Normal
  02/23/2026 03 AM PST            3.08             13         -              Normal
  02/23/2026 04 AM PST            3.08             13         0              Normal
  02/23/2026 05 AM PST            3.07             12         -              Normal
  02/23/2026 06 AM PST            3.06             12         -              Normal
  02/23/2026 07 AM PST            3.06             12         0              Normal
  02/23/2026 08 AM PST            3.05             12         -              Normal
  02/23/2026 09 AM PST            3.04             11         -              Normal
  02/23/2026 10 AM PST            3.04             11         0              Normal
  02/23/2026 11 AM PST            3.03             11         -              Normal
  02/23/2026 12 PM PST            3.03             11         0              Normal
  02/23/2026 01 PM PST            3.02             10         -              Normal
  02/23/2026 02 PM PST            3.01             10         -              Normal
  02/23/2026 03 PM PST            3.01             10         0              Normal
  02/23/2026 04 PM PST            3.00             10         -              Normal
  02/23/2026 05 PM PST            3.00             10         0              Normal
  02/23/2026 06 PM PST            2.99              9         -              Normal
  02/23/2026 07 PM PST            2.98              9         -              Normal
  02/23/2026 08 PM PST            2.98              9         0              Normal
  02/23/2026 09 PM PST            2.97              9         -              Normal
  02/23/2026 10 PM PST            2.97              9         0              Normal
  02/23/2026 11 PM PST            2.96              8         -              Normal
  02/24/2026 12 AM PST            2.96              8         0              Normal
  02/24/2026 01 AM PST            2.95              8         -              Normal
  02/24/2026 02 AM PST            2.95              8         0              Normal
  02/24/2026 03 AM PST            2.94              8         -              Normal
  02/24/2026 04 AM PST            2.95              8         +              Normal
  02/24/2026 05 AM PST            2.97              9         +              Normal
  02/24/2026 06 AM PST            3.00             10         +              Normal
  02/24/2026 07 AM PST            3.02             10         +              Normal
  02/24/2026 08 AM PST            3.03             11         +              Normal
  02/24/2026 09 AM PST            3.04             11         +              Normal
  02/24/2026 10 AM PST            3.06             12         +              Normal
  02/24/2026 11 AM PST            3.09             13         +              Normal
  02/24/2026 12 PM PST            3.13             15         +              Normal
  02/24/2026 01 PM PST            3.16             16         +              Normal
  02/24/2026 02 PM PST            3.18             17         +              Normal
  02/24/2026 03 PM PST            3.19             17         +              Normal
  02/24/2026 04 PM PST            3.19             17         0              Normal
  02/24/2026 05 PM PST            3.19             17         0              Normal
  02/24/2026 06 PM PST            3.19             17         0              Normal
  02/24/2026 07 PM PST            3.19             17         0              Normal
  02/24/2026 08 PM PST            3.18             17         -              Normal
  02/24/2026 09 PM PST            3.18             17         0              Normal
  02/24/2026 10 PM PST            3.20             18         +              Normal
  02/24/2026 11 PM PST            3.26             20         +              Normal
  02/25/2026 12 AM PST            3.44             25         +              Normal
  02/25/2026 01 AM PST            3.68             38         +              Normal
  02/25/2026 02 AM PST            3.88             52         +              Normal
  02/25/2026 03 AM PST            3.98             59         +              Normal
  02/25/2026 04 AM PST            3.96             58         -              Normal
  02/25/2026 05 AM PST            3.86             50         -              Normal
  02/25/2026 06 AM PST            3.73             42         -              Normal
  02/25/2026 07 AM PST            3.63             35         -              Normal
  02/25/2026 08 AM PST            3.58             32         -              Normal
  02/25/2026 09 AM PST            3.55             30         -              Normal
  02/25/2026 10 AM PST            3.52             29         -              Normal
  02/25/2026 11 AM PST            3.47             26         -              Normal
  02/25/2026 12 PM PST            3.38             23         -              Normal
  02/25/2026 01 PM PST            3.31             21         -              Normal
  02/25/2026 02 PM PST            3.27             20         -              Normal
  02/25/2026 03 PM PST            3.23             19         -              Normal
  02/25/2026 04 PM PST            3.21             18         -              Normal
  02/25/2026 05 PM PST            3.19             17         -              Normal
  02/25/2026 06 PM PST            3.17             17         -              Normal
  02/25/2026 07 PM PST            3.15             16         -              Normal
  02/25/2026 08 PM PST            3.14             15         -              Normal
  02/25/2026 09 PM PST            3.13             15         -              Normal
  02/25/2026 10 PM PST            3.12             14         -              Normal
  02/25/2026 11 PM PST            3.12             14         0              Normal
  02/26/2026 12 AM PST            3.11             14         -              Normal
  02/26/2026 01 AM PST            3.10             14         -              Normal
  02/26/2026 02 AM PST            3.10             14         0              Normal
  02/26/2026 03 AM PST            3.09             13         -              Normal
  02/26/2026 04 AM PST            3.09             13         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.