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SAN LORENZO CREEK - HAYWARD (LRZC1)
| Latitude: 37.69º N | Longitude: 122.06º W | Elevation: 133 Feet | | | |
| Location: Alameda County in California | Bulletin Group: Central Coast | River Group: South Bay |
| Issuance Time: | Feb 12 2026 at 1:00 PM PST | Next Issuance: | Feb 13 2026 at 9:00 AM PST
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| Action/Monitor: 20.85 Feet | Minor Flood: 24.6 Feet | Moderate Flood: N/A | Major Flood: N/A |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Lorenzo Creek - Hayward (LRZC1)
#
# File Generation Time: 02/12/2026 at 01:02 PM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 02/11/2026 at 04:00 AM PST
# Maximum Observed Stage: 3.22 Feet
# Maximum Observed Flow: 19 cfs
#
# Earliest Date & Time of Maximum Forecast: 02/16/2026 at 01:00 PM PST
# Maximum Forecast Stage: 3.64 Feet
# Maximum Forecast Flow: 36 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
02/07/2026 01 PM PST 2.83 5 Normal
02/07/2026 02 PM PST 2.83 5 0 Normal
02/07/2026 03 PM PST 2.83 5 0 Normal
02/07/2026 04 PM PST 2.83 5 0 Normal
02/07/2026 05 PM PST 2.83 5 0 Normal
02/07/2026 06 PM PST 2.83 5 0 Normal
02/07/2026 07 PM PST 2.83 5 0 Normal
02/07/2026 08 PM PST 2.83 5 0 Normal
02/07/2026 09 PM PST 2.83 5 0 Normal
02/07/2026 10 PM PST 2.83 5 0 Normal
02/07/2026 11 PM PST 2.83 5 0 Normal
02/08/2026 12 AM PST 2.83 5 0 Normal
02/08/2026 01 AM PST 2.83 5 0 Normal
02/08/2026 02 AM PST 2.83 5 0 Normal
02/08/2026 03 AM PST 2.83 5 0 Normal
02/08/2026 04 AM PST 2.82 4 - Normal
02/08/2026 05 AM PST 2.83 5 + Normal
02/08/2026 06 AM PST 2.82 4 - Normal
02/08/2026 07 AM PST 2.82 4 0 Normal
02/08/2026 08 AM PST 2.82 4 0 Normal
02/08/2026 09 AM PST 2.83 5 + Normal
02/08/2026 10 AM PST 2.83 5 0 Normal
02/08/2026 11 AM PST 2.83 5 0 Normal
02/08/2026 12 PM PST 2.83 5 0 Normal
02/08/2026 01 PM PST 2.83 5 0 Normal
02/08/2026 02 PM PST 2.83 5 0 Normal
02/08/2026 03 PM PST 2.83 5 0 Normal
02/08/2026 04 PM PST 2.83 5 0 Normal
02/08/2026 05 PM PST 2.83 5 0 Normal
02/08/2026 06 PM PST 2.83 5 0 Normal
02/08/2026 07 PM PST 2.83 5 0 Normal
02/08/2026 08 PM PST 2.83 5 0 Normal
02/08/2026 09 PM PST 2.83 5 0 Normal
02/08/2026 10 PM PST 2.83 5 0 Normal
02/08/2026 11 PM PST 2.83 5 0 Normal
02/09/2026 12 AM PST 2.83 5 0 Normal
02/09/2026 01 AM PST 2.83 5 0 Normal
02/09/2026 02 AM PST 2.83 5 0 Normal
02/09/2026 03 AM PST 2.83 5 0 Normal
02/09/2026 04 AM PST 2.83 5 0 Normal
02/09/2026 05 AM PST 2.83 5 0 Normal
02/09/2026 06 AM PST 2.83 5 0 Normal
02/09/2026 07 AM PST 2.83 5 0 Normal
02/09/2026 08 AM PST 2.83 5 0 Normal
02/09/2026 09 AM PST 2.83 5 0 Normal
02/09/2026 10 AM PST 2.83 5 0 Normal
02/09/2026 11 AM PST 2.83 5 0 Normal
02/09/2026 12 PM PST 2.83 5 0 Normal
02/09/2026 01 PM PST 2.83 5 0 Normal
02/09/2026 02 PM PST 2.83 5 0 Normal
02/09/2026 03 PM PST 2.83 5 0 Normal
02/09/2026 04 PM PST 2.83 5 0 Normal
02/09/2026 05 PM PST 2.83 5 0 Normal
02/09/2026 06 PM PST 2.83 5 0 Normal
02/09/2026 07 PM PST 2.83 5 0 Normal
02/09/2026 08 PM PST 2.83 5 0 Normal
02/09/2026 09 PM PST 2.83 5 0 Normal
02/09/2026 10 PM PST 2.83 5 0 Normal
02/09/2026 11 PM PST 2.83 5 0 Normal
02/10/2026 12 AM PST 2.83 5 0 Normal
02/10/2026 01 AM PST 2.83 5 0 Normal
02/10/2026 02 AM PST 2.83 5 0 Normal
02/10/2026 03 AM PST 2.83 5 0 Normal
02/10/2026 04 AM PST 2.83 5 0 Normal
02/10/2026 05 AM PST 2.83 5 0 Normal
02/10/2026 06 AM PST 2.83 5 0 Normal
02/10/2026 07 AM PST 2.83 5 0 Normal
02/10/2026 08 AM PST 2.82 4 - Normal
02/10/2026 09 AM PST 2.83 5 + Normal
02/10/2026 10 AM PST 2.83 5 0 Normal
02/10/2026 11 AM PST 2.83 5 0 Normal
02/10/2026 12 PM PST 2.83 5 0 Normal
02/10/2026 01 PM PST 2.83 5 0 Normal
02/10/2026 02 PM PST 2.83 5 0 Normal
02/10/2026 03 PM PST 2.83 5 0 Normal
02/10/2026 04 PM PST 2.83 5 0 Normal
02/10/2026 05 PM PST 2.80 4 - Normal
02/10/2026 06 PM PST 2.84 5 + Normal
02/10/2026 07 PM PST 2.85 5 + Normal
02/10/2026 08 PM PST 2.88 6 + Normal
02/10/2026 09 PM PST 2.90 6 + Normal
02/10/2026 10 PM PST 2.92 7 + Normal
02/10/2026 11 PM PST 2.89 6 - Normal
02/11/2026 12 AM PST 2.86 5 - Normal
02/11/2026 01 AM PST 2.86 5 0 Normal
02/11/2026 02 AM PST 2.95 8 + Normal
02/11/2026 03 AM PST 3.03 11 + Normal
02/11/2026 04 AM PST 3.22 19 + Normal
02/11/2026 05 AM PST 3.08 13 - Normal
02/11/2026 06 AM PST 2.99 9 - Normal
02/11/2026 07 AM PST 2.97 9 - Normal
02/11/2026 08 AM PST 2.94 8 - Normal
02/11/2026 09 AM PST 2.91 7 - Normal
02/11/2026 10 AM PST 2.89 6 - Normal
02/11/2026 11 AM PST 2.87 6 - Normal
02/11/2026 12 PM PST 2.86 5 - Normal
02/11/2026 01 PM PST 2.85 5 - Normal
02/11/2026 02 PM PST 2.85 5 0 Normal
02/11/2026 03 PM PST 2.86 5 + Normal
02/11/2026 04 PM PST 2.88 6 + Normal
02/11/2026 05 PM PST 2.89 6 + Normal
02/11/2026 06 PM PST 2.88 6 - Normal
02/11/2026 07 PM PST 2.87 6 - Normal
02/11/2026 08 PM PST 2.86 5 - Normal
02/11/2026 09 PM PST 2.84 5 - Normal
02/11/2026 10 PM PST 2.83 5 - Normal
02/11/2026 11 PM PST 2.82 4 - Normal
02/12/2026 12 AM PST 2.83 5 + Normal
02/12/2026 01 AM PST 2.83 5 0 Normal
02/12/2026 02 AM PST 2.83 5 0 Normal
02/12/2026 03 AM PST 2.81 4 - Normal
02/12/2026 04 AM PST 2.82 4 + Normal
02/12/2026 05 AM PST 2.81 4 - Normal
02/12/2026 06 AM PST 2.80 4 - Normal
02/12/2026 07 AM PST 2.80 4 0 Normal
02/12/2026 08 AM PST 2.80 4 0 Normal
02/12/2026 09 AM PST 2.80 4 0 Normal
02/12/2026 10 AM PST 2.80 4 0 Normal
02/12/2026 11 AM PST 2.80 4 0 Normal
02/12/2026 12 PM PST 2.80 4 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
02/12/2026 01 PM PST 2.80 4 Normal
02/12/2026 02 PM PST 2.80 4 0 Normal
02/12/2026 03 PM PST 2.79 4 - Normal
02/12/2026 04 PM PST 2.79 4 0 Normal
02/12/2026 05 PM PST 2.79 4 0 Normal
02/12/2026 06 PM PST 2.79 4 0 Normal
02/12/2026 07 PM PST 2.79 4 0 Normal
02/12/2026 08 PM PST 2.79 4 0 Normal
02/12/2026 09 PM PST 2.79 4 0 Normal
02/12/2026 10 PM PST 2.79 4 0 Normal
02/12/2026 11 PM PST 2.79 4 0 Normal
02/13/2026 12 AM PST 2.79 4 0 Normal
02/13/2026 01 AM PST 2.79 4 0 Normal
02/13/2026 02 AM PST 2.79 4 0 Normal
02/13/2026 03 AM PST 2.79 4 0 Normal
02/13/2026 04 AM PST 2.79 4 0 Normal
02/13/2026 05 AM PST 2.79 4 0 Normal
02/13/2026 06 AM PST 2.79 4 0 Normal
02/13/2026 07 AM PST 2.79 4 0 Normal
02/13/2026 08 AM PST 2.79 4 0 Normal
02/13/2026 09 AM PST 2.79 4 0 Normal
02/13/2026 10 AM PST 2.79 4 0 Normal
02/13/2026 11 AM PST 2.79 4 0 Normal
02/13/2026 12 PM PST 2.79 4 0 Normal
02/13/2026 01 PM PST 2.79 4 0 Normal
02/13/2026 02 PM PST 2.79 4 0 Normal
02/13/2026 03 PM PST 2.79 4 0 Normal
02/13/2026 04 PM PST 2.79 4 0 Normal
02/13/2026 05 PM PST 2.79 4 0 Normal
02/13/2026 06 PM PST 2.79 4 0 Normal
02/13/2026 07 PM PST 2.79 4 0 Normal
02/13/2026 08 PM PST 2.79 4 0 Normal
02/13/2026 09 PM PST 2.79 4 0 Normal
02/13/2026 10 PM PST 2.79 4 0 Normal
02/13/2026 11 PM PST 2.79 4 0 Normal
02/14/2026 12 AM PST 2.79 4 0 Normal
02/14/2026 01 AM PST 2.79 4 0 Normal
02/14/2026 02 AM PST 2.79 4 0 Normal
02/14/2026 03 AM PST 2.79 4 0 Normal
02/14/2026 04 AM PST 2.79 4 0 Normal
02/14/2026 05 AM PST 2.79 4 0 Normal
02/14/2026 06 AM PST 2.79 4 0 Normal
02/14/2026 07 AM PST 2.78 3 - Normal
02/14/2026 08 AM PST 2.78 3 0 Normal
02/14/2026 09 AM PST 2.78 3 0 Normal
02/14/2026 10 AM PST 2.78 3 0 Normal
02/14/2026 11 AM PST 2.78 3 0 Normal
02/14/2026 12 PM PST 2.78 3 0 Normal
02/14/2026 01 PM PST 2.78 3 0 Normal
02/14/2026 02 PM PST 2.78 3 0 Normal
02/14/2026 03 PM PST 2.78 3 0 Normal
02/14/2026 04 PM PST 2.78 3 0 Normal
02/14/2026 05 PM PST 2.78 3 0 Normal
02/14/2026 06 PM PST 2.78 3 0 Normal
02/14/2026 07 PM PST 2.78 3 0 Normal
02/14/2026 08 PM PST 2.78 3 0 Normal
02/14/2026 09 PM PST 2.78 3 0 Normal
02/14/2026 10 PM PST 2.78 3 0 Normal
02/14/2026 11 PM PST 2.78 3 0 Normal
02/15/2026 12 AM PST 2.78 3 0 Normal
02/15/2026 01 AM PST 2.78 3 0 Normal
02/15/2026 02 AM PST 2.78 3 0 Normal
02/15/2026 03 AM PST 2.78 3 0 Normal
02/15/2026 04 AM PST 2.78 3 0 Normal
02/15/2026 05 AM PST 2.78 3 0 Normal
02/15/2026 06 AM PST 2.78 3 0 Normal
02/15/2026 07 AM PST 2.78 3 0 Normal
02/15/2026 08 AM PST 2.79 4 + Normal
02/15/2026 09 AM PST 2.80 4 + Normal
02/15/2026 10 AM PST 2.83 5 + Normal
02/15/2026 11 AM PST 2.89 6 + Normal
02/15/2026 12 PM PST 2.97 9 + Normal
02/15/2026 01 PM PST 3.03 11 + Normal
02/15/2026 02 PM PST 3.06 12 + Normal
02/15/2026 03 PM PST 3.09 13 + Normal
02/15/2026 04 PM PST 3.12 14 + Normal
02/15/2026 05 PM PST 3.16 16 + Normal
02/15/2026 06 PM PST 3.22 19 + Normal
02/15/2026 07 PM PST 3.29 21 + Normal
02/15/2026 08 PM PST 3.33 22 + Normal
02/15/2026 09 PM PST 3.37 23 + Normal
02/15/2026 10 PM PST 3.41 24 + Normal
02/15/2026 11 PM PST 3.47 26 + Normal
02/16/2026 12 AM PST 3.52 29 + Normal
02/16/2026 01 AM PST 3.56 31 + Normal
02/16/2026 02 AM PST 3.58 32 + Normal
02/16/2026 03 AM PST 3.59 33 + Normal
02/16/2026 04 AM PST 3.60 33 + Normal
02/16/2026 05 AM PST 3.60 33 0 Normal
02/16/2026 06 AM PST 3.61 34 + Normal
02/16/2026 07 AM PST 3.61 34 0 Normal
02/16/2026 08 AM PST 3.61 34 0 Normal
02/16/2026 09 AM PST 3.61 34 0 Normal
02/16/2026 10 AM PST 3.62 35 + Normal
02/16/2026 11 AM PST 3.62 35 0 Normal
02/16/2026 12 PM PST 3.63 35 + Normal
02/16/2026 01 PM PST 3.64 36 + Normal
02/16/2026 02 PM PST 3.64 36 0 Normal
02/16/2026 03 PM PST 3.64 36 0 Normal
02/16/2026 04 PM PST 3.62 35 - Normal
02/16/2026 05 PM PST 3.58 32 - Normal
02/16/2026 06 PM PST 3.52 29 - Normal
02/16/2026 07 PM PST 3.47 26 - Normal
02/16/2026 08 PM PST 3.41 24 - Normal
02/16/2026 09 PM PST 3.38 23 - Normal
02/16/2026 10 PM PST 3.35 23 - Normal
02/16/2026 11 PM PST 3.32 22 - Normal
02/17/2026 12 AM PST 3.30 21 - Normal
02/17/2026 01 AM PST 3.28 21 - Normal
02/17/2026 02 AM PST 3.27 20 - Normal
02/17/2026 03 AM PST 3.26 20 - Normal
02/17/2026 04 AM PST 3.25 20 - 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.
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