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 RIVER - BIG TREES (BTEC1)
Latitude: 37.04º NLongitude: 122.07º WElevation: 227 FeetForecast Type: Official Location
Location: Santa Cruz County in CaliforniaBulletin Group: Central CoastRiver Group: Salinas/Pajaro
Issuance Time: Nov 11 2026 at 7:32 AM PSTNext Issuance: Nov 12 2026 at 9:00 AM PST
Action: 14.0 FeetMinor Flood: 16.5 FeetModerate Flood: 19.5 FeetMajor Flood: 21.76 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Lorenzo River - Big Trees (BTEC1)
#
# File Generation Time:  11/11/2026 at 07:32 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/06/2026 at 07:00 AM PST
# Maximum Observed Stage:                       3.26 Feet
# Maximum Observed Flow:                        20 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/13/2026 at 11:00 PM PST
# Maximum Forecast Stage:                       4.48 Feet
# Maximum Forecast Flow:                        109 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/06/2026 07 AM PST            3.26             20                        Normal
  11/06/2026 08 AM PST            3.25             19         -              Normal
  11/06/2026 09 AM PST            3.25             19         0              Normal
  11/06/2026 10 AM PST            3.25             19         0              Normal
  11/06/2026 11 AM PST            3.25             19         0              Normal
  11/06/2026 12 PM PST            3.25             19         0              Normal
  11/06/2026 01 PM PST            3.25             19         0              Normal
  11/06/2026 02 PM PST            3.25             19         0              Normal
  11/06/2026 03 PM PST            3.25             19         0              Normal
  11/06/2026 04 PM PST            3.25             19         0              Normal
  11/06/2026 05 PM PST            3.25             19         0              Normal
  11/06/2026 06 PM PST            3.25             19         0              Normal
  11/06/2026 07 PM PST            3.25             19         0              Normal
  11/06/2026 08 PM PST            3.24             19         -              Normal
  11/06/2026 09 PM PST            3.24             19         0              Normal
  11/06/2026 10 PM PST            3.24             19         0              Normal
  11/06/2026 11 PM PST            3.24             19         0              Normal
  11/07/2026 12 AM PST            3.24             19         0              Normal
  11/07/2026 01 AM PST            3.24             19         0              Normal
  11/07/2026 02 AM PST            3.24             19         0              Normal
  11/07/2026 03 AM PST            3.24             19         0              Normal
  11/07/2026 04 AM PST            3.24             19         0              Normal
  11/07/2026 05 AM PST            3.24             19         0              Normal
  11/07/2026 06 AM PST            3.24             19         0              Normal
  11/07/2026 07 AM PST            3.24             19         0              Normal
  11/07/2026 08 AM PST            3.24             19         0              Normal
  11/07/2026 09 AM PST            3.24             19         0              Normal
  11/07/2026 10 AM PST            3.24             19         0              Normal
  11/07/2026 11 AM PST            3.24             19         0              Normal
  11/07/2026 12 PM PST            3.24             19         0              Normal
  11/07/2026 01 PM PST            3.24             19         0              Normal
  11/07/2026 02 PM PST            3.24             19         0              Normal
  11/07/2026 03 PM PST            3.24             19         0              Normal
  11/07/2026 04 PM PST            3.24             19         0              Normal
  11/07/2026 05 PM PST            3.24             19         0              Normal
  11/07/2026 06 PM PST            3.23             18         -              Normal
  11/07/2026 07 PM PST            3.23             18         0              Normal
  11/07/2026 08 PM PST            3.23             18         0              Normal
  11/07/2026 09 PM PST            3.23             18         0              Normal
  11/07/2026 10 PM PST            3.23             18         0              Normal
  11/07/2026 11 PM PST            3.23             18         0              Normal
  11/08/2026 12 AM PST            3.23             18         0              Normal
  11/08/2026 01 AM PST            3.23             18         0              Normal
  11/08/2026 02 AM PST            3.23             18         0              Normal
  11/08/2026 03 AM PST            3.23             18         0              Normal
  11/08/2026 04 AM PST            3.23             18         0              Normal
  11/08/2026 05 AM PST            3.23             18         0              Normal
  11/08/2026 06 AM PST            3.23             18         0              Normal
  11/08/2026 07 AM PST            3.23             18         0              Normal
  11/08/2026 08 AM PST            3.23             18         0              Normal
  11/08/2026 09 AM PST            3.23             18         0              Normal
  11/08/2026 10 AM PST            3.23             18         0              Normal
  11/08/2026 11 AM PST            3.23             18         0              Normal
  11/08/2026 12 PM PST            3.24             19         +              Normal
  11/08/2026 01 PM PST            3.24             19         0              Normal
  11/08/2026 02 PM PST            3.24             19         0              Normal
  11/08/2026 03 PM PST            3.24             19         0              Normal
  11/08/2026 04 PM PST            3.24             19         0              Normal
  11/08/2026 05 PM PST            3.24             19         0              Normal
  11/08/2026 06 PM PST            3.24             19         0              Normal
  11/08/2026 07 PM PST            3.24             19         0              Normal
  11/08/2026 08 PM PST            3.23             18         -              Normal
  11/08/2026 09 PM PST            3.24             19         +              Normal
  11/08/2026 10 PM PST            3.23             18         -              Normal
  11/08/2026 11 PM PST            3.23             18         0              Normal
  11/09/2026 12 AM PST            3.23             18         0              Normal
  11/09/2026 01 AM PST            3.23             18         0              Normal
  11/09/2026 02 AM PST            3.23             18         0              Normal
  11/09/2026 03 AM PST            3.23             18         0              Normal
  11/09/2026 04 AM PST            3.23             18         0              Normal
  11/09/2026 05 AM PST            3.23             18         0              Normal
  11/09/2026 06 AM PST            3.23             18         0              Normal
  11/09/2026 07 AM PST            3.23             18         0              Normal
  11/09/2026 08 AM PST            3.23             18         0              Normal
  11/09/2026 09 AM PST            3.23             18         0              Normal
  11/09/2026 10 AM PST            3.24             19         +              Normal
  11/09/2026 11 AM PST            3.24             19         0              Normal
  11/09/2026 12 PM PST            3.23             18         -              Normal
  11/09/2026 01 PM PST            3.23             18         0              Normal
  11/09/2026 02 PM PST            3.23             18         0              Normal
  11/09/2026 03 PM PST            3.23             18         0              Normal
  11/09/2026 04 PM PST            3.24             19         +              Normal
  11/09/2026 05 PM PST            3.23             18         -              Normal
  11/09/2026 06 PM PST            3.23             18         0              Normal
  11/09/2026 07 PM PST            3.23             18         0              Normal
  11/09/2026 08 PM PST            3.23             18         0              Normal
  11/09/2026 09 PM PST            3.23             18         0              Normal
  11/09/2026 10 PM PST            3.23             18         0              Normal
  11/09/2026 11 PM PST            3.23             18         0              Normal
  11/10/2026 12 AM PST            3.23             18         0              Normal
  11/10/2026 01 AM PST            3.23             18         0              Normal
  11/10/2026 02 AM PST            3.23             18         0              Normal
  11/10/2026 03 AM PST            3.23             18         0              Normal
  11/10/2026 04 AM PST            3.23             18         0              Normal
  11/10/2026 05 AM PST            3.24             19         +              Normal
  11/10/2026 06 AM PST            3.23             18         -              Normal
  11/10/2026 07 AM PST            3.23             18         0              Normal
  11/10/2026 08 AM PST            3.23             18         0              Normal
  11/10/2026 09 AM PST            3.23             18         0              Normal
  11/10/2026 10 AM PST            3.24             19         +              Normal
  11/10/2026 11 AM PST            3.23             18         -              Normal
  11/10/2026 12 PM PST            3.23             18         0              Normal
  11/10/2026 01 PM PST            3.24             19         +              Normal
  11/10/2026 02 PM PST            3.23             18         -              Normal
  11/10/2026 03 PM PST            3.24             19         +              Normal
  11/10/2026 04 PM PST            3.24             19         0              Normal
  11/10/2026 05 PM PST            3.24             19         0              Normal
  11/10/2026 06 PM PST            3.24             19         0              Normal
  11/10/2026 07 PM PST            3.23             18         -              Normal
  11/10/2026 08 PM PST            3.23             18         0              Normal
  11/10/2026 09 PM PST            3.23             18         0              Normal
  11/10/2026 10 PM PST            3.23             18         0              Normal
  11/10/2026 11 PM PST            3.24             19         +              Normal
  11/11/2026 12 AM PST            3.24             19         0              Normal
  11/11/2026 01 AM PST            3.24             19         0              Normal
  11/11/2026 02 AM PST            3.24             19         0              Normal
  11/11/2026 03 AM PST            3.23             18         -              Normal
  11/11/2026 04 AM PST            3.24             19         +              Normal
  11/11/2026 05 AM PST            3.24             19         0              Normal
  11/11/2026 06 AM PST            3.24             19         0              Normal
  11/11/2026 07 AM PST            3.24             19         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/11/2026 08 AM PST            3.24             19                        Normal
  11/11/2026 09 AM PST            3.24             19         0              Normal
  11/11/2026 10 AM PST            3.24             19         0              Normal
  11/11/2026 11 AM PST            3.24             19         0              Normal
  11/11/2026 12 PM PST            3.24             19         0              Normal
  11/11/2026 01 PM PST            3.24             19         0              Normal
  11/11/2026 02 PM PST            3.24             19         0              Normal
  11/11/2026 03 PM PST            3.24             19         0              Normal
  11/11/2026 04 PM PST            3.24             19         0              Normal
  11/11/2026 05 PM PST            3.24             19         0              Normal
  11/11/2026 06 PM PST            3.24             19         0              Normal
  11/11/2026 07 PM PST            3.24             19         0              Normal
  11/11/2026 08 PM PST            3.23             18         -              Normal
  11/11/2026 09 PM PST            3.23             18         0              Normal
  11/11/2026 10 PM PST            3.23             18         0              Normal
  11/11/2026 11 PM PST            3.23             18         0              Normal
  11/12/2026 12 AM PST            3.23             18         0              Normal
  11/12/2026 01 AM PST            3.23             18         0              Normal
  11/12/2026 02 AM PST            3.23             18         0              Normal
  11/12/2026 03 AM PST            3.23             18         0              Normal
  11/12/2026 04 AM PST            3.23             18         0              Normal
  11/12/2026 05 AM PST            3.23             18         0              Normal
  11/12/2026 06 AM PST            3.23             18         0              Normal
  11/12/2026 07 AM PST            3.23             18         0              Normal
  11/12/2026 08 AM PST            3.23             18         0              Normal
  11/12/2026 09 AM PST            3.23             18         0              Normal
  11/12/2026 10 AM PST            3.23             18         0              Normal
  11/12/2026 11 AM PST            3.23             18         0              Normal
  11/12/2026 12 PM PST            3.23             18         0              Normal
  11/12/2026 01 PM PST            3.23             18         0              Normal
  11/12/2026 02 PM PST            3.23             18         0              Normal
  11/12/2026 03 PM PST            3.23             18         0              Normal
  11/12/2026 04 PM PST            3.23             18         0              Normal
  11/12/2026 05 PM PST            3.23             18         0              Normal
  11/12/2026 06 PM PST            3.23             18         0              Normal
  11/12/2026 07 PM PST            3.23             18         0              Normal
  11/12/2026 08 PM PST            3.23             18         0              Normal
  11/12/2026 09 PM PST            3.23             18         0              Normal
  11/12/2026 10 PM PST            3.23             18         0              Normal
  11/12/2026 11 PM PST            3.23             18         0              Normal
  11/13/2026 12 AM PST            3.22             18         -              Normal
  11/13/2026 01 AM PST            3.22             18         0              Normal
  11/13/2026 02 AM PST            3.22             18         0              Normal
  11/13/2026 03 AM PST            3.22             18         0              Normal
  11/13/2026 04 AM PST            3.22             18         0              Normal
  11/13/2026 05 AM PST            3.22             18         0              Normal
  11/13/2026 06 AM PST            3.22             18         0              Normal
  11/13/2026 07 AM PST            3.22             18         0              Normal
  11/13/2026 08 AM PST            3.22             18         0              Normal
  11/13/2026 09 AM PST            3.23             18         +              Normal
  11/13/2026 10 AM PST            3.25             19         +              Normal
  11/13/2026 11 AM PST            3.28             20         +              Normal
  11/13/2026 12 PM PST            3.33             22         +              Normal
  11/13/2026 01 PM PST            3.38             25         +              Normal
  11/13/2026 02 PM PST            3.44             28         +              Normal
  11/13/2026 03 PM PST            3.50             31         +              Normal
  11/13/2026 04 PM PST            3.60             36         +              Normal
  11/13/2026 05 PM PST            3.73             44         +              Normal
  11/13/2026 06 PM PST            3.90             55         +              Normal
  11/13/2026 07 PM PST            4.08             69         +              Normal
  11/13/2026 08 PM PST            4.26             85         +              Normal
  11/13/2026 09 PM PST            4.40            100         +              Normal
  11/13/2026 10 PM PST            4.47            108         +              Normal
  11/13/2026 11 PM PST            4.48            109         +              Normal
  11/14/2026 12 AM PST            4.43            103         -              Normal
  11/14/2026 01 AM PST            4.31             90         -              Normal
  11/14/2026 02 AM PST            4.17             77         -              Normal
  11/14/2026 03 AM PST            4.03             65         -              Normal
  11/14/2026 04 AM PST            3.89             54         -              Normal
  11/14/2026 05 AM PST            3.77             46         -              Normal
  11/14/2026 06 AM PST            3.67             40         -              Normal
  11/14/2026 07 AM PST            3.57             34         -              Normal
  11/14/2026 08 AM PST            3.50             31         -              Normal
  11/14/2026 09 AM PST            3.44             28         -              Normal
  11/14/2026 10 AM PST            3.39             25         -              Normal
  11/14/2026 11 AM PST            3.35             23         -              Normal
  11/14/2026 12 PM PST            3.32             22         -              Normal
  11/14/2026 01 PM PST            3.29             21         -              Normal
  11/14/2026 02 PM PST            3.27             20         -              Normal
  11/14/2026 03 PM PST            3.26             20         -              Normal
  11/14/2026 04 PM PST            3.25             19         -              Normal
  11/14/2026 05 PM PST            3.24             19         -              Normal
  11/14/2026 06 PM PST            3.23             18         -              Normal
  11/14/2026 07 PM PST            3.23             18         0              Normal
  11/14/2026 08 PM PST            3.23             18         0              Normal
  11/14/2026 09 PM PST            3.22             18         -              Normal
  11/14/2026 10 PM PST            3.22             18         0              Normal
  11/14/2026 11 PM PST            3.22             18         0              Normal
  11/15/2026 12 AM PST            3.22             18         0              Normal
  11/15/2026 01 AM PST            3.22             18         0              Normal
  11/15/2026 02 AM PST            3.22             18         0              Normal
  11/15/2026 03 AM PST            3.22             18         0              Normal
  11/15/2026 04 AM PST            3.22             18         0              Normal
  11/15/2026 05 AM PST            3.22             18         0              Normal
  11/15/2026 06 AM PST            3.22             18         0              Normal
  11/15/2026 07 AM PST            3.22             18         0              Normal
  11/15/2026 08 AM PST            3.22             18         0              Normal
  11/15/2026 09 AM PST            3.22             18         0              Normal
  11/15/2026 10 AM PST            3.22             18         0              Normal
  11/15/2026 11 AM PST            3.22             18         0              Normal
  11/15/2026 12 PM PST            3.22             18         0              Normal
  11/15/2026 01 PM PST            3.22             18         0              Normal
  11/15/2026 02 PM PST            3.22             18         0              Normal
  11/15/2026 03 PM PST            3.22             18         0              Normal
  11/15/2026 04 PM PST            3.22             18         0              Normal
  11/15/2026 05 PM PST            3.22             18         0              Normal
  11/15/2026 06 PM PST            3.22             18         0              Normal
  11/15/2026 07 PM PST            3.22             18         0              Normal
  11/15/2026 08 PM PST            3.22             18         0              Normal
  11/15/2026 09 PM PST            3.23             18         +              Normal
  11/15/2026 10 PM PST            3.28             20         +              Normal
  11/15/2026 11 PM PST            3.36             24         +              Normal
  11/16/2026 12 AM PST            3.47             29         +              Normal
  11/16/2026 01 AM PST            3.57             34         +              Normal
  11/16/2026 02 AM PST            3.67             40         +              Normal
  11/16/2026 03 AM PST            3.74             44         +              Normal
  11/16/2026 04 AM PST            3.80             48         +              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.