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 Feet
Location: Santa Cruz County in CaliforniaBulletin Group: Central CoastRiver Group: Salinas/Pajaro
Issuance Time: May 01 2025 at 7:38 AM PDTNext Issuance: May 02 2025 at 9:00 AM PDT
Action/Monitor: 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:  05/01/2025 at 07:38 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/26/2025 at 06:00 PM PDT
# Maximum Observed Stage:                       4.04 Feet
# Maximum Observed Flow:                        71 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/01/2025 at 08:00 AM PDT
# Maximum Forecast Stage:                       3.88 Feet
# Maximum Forecast Flow:                        58 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/26/2025 07 AM PDT            3.95             64                        Normal
  04/26/2025 08 AM PDT            3.95             64         0              Normal
  04/26/2025 09 AM PDT            3.95             64         0              Normal
  04/26/2025 10 AM PDT            3.95             64         0              Normal
  04/26/2025 11 AM PDT            3.95             64         0              Normal
  04/26/2025 12 PM PDT            3.96             65         +              Normal
  04/26/2025 01 PM PDT            3.95             64         -              Normal
  04/26/2025 02 PM PDT            3.95             64         0              Normal
  04/26/2025 03 PM PDT            3.96             65         +              Normal
  04/26/2025 04 PM PDT            4.00             68         +              Normal
  04/26/2025 05 PM PDT            4.00             68         0              Normal
  04/26/2025 06 PM PDT            4.04             71         +              Normal
  04/26/2025 07 PM PDT            4.03             71         -              Normal
  04/26/2025 08 PM PDT            4.02             70         -              Normal
  04/26/2025 09 PM PDT            4.02             70         0              Normal
  04/26/2025 10 PM PDT            4.00             68         -              Normal
  04/26/2025 11 PM PDT            3.98             66         -              Normal
  04/27/2025 12 AM PDT            3.97             66         -              Normal
  04/27/2025 01 AM PDT            3.98             66         +              Normal
  04/27/2025 02 AM PDT            3.97             66         -              Normal
  04/27/2025 03 AM PDT            3.97             66         0              Normal
  04/27/2025 04 AM PDT            3.97             66         0              Normal
  04/27/2025 05 AM PDT            3.97             66         0              Normal
  04/27/2025 06 AM PDT            3.97             66         0              Normal
  04/27/2025 07 AM PDT            3.96             65         -              Normal
  04/27/2025 08 AM PDT            3.96             65         0              Normal
  04/27/2025 09 AM PDT            3.96             65         0              Normal
  04/27/2025 10 AM PDT            3.96             65         0              Normal
  04/27/2025 11 AM PDT            3.96             65         0              Normal
  04/27/2025 12 PM PDT            3.96             65         0              Normal
  04/27/2025 01 PM PDT            3.96             65         0              Normal
  04/27/2025 02 PM PDT            3.96             65         0              Normal
  04/27/2025 03 PM PDT            3.95             64         -              Normal
  04/27/2025 04 PM PDT            3.95             64         0              Normal
  04/27/2025 05 PM PDT            3.95             64         0              Normal
  04/27/2025 06 PM PDT            3.95             64         0              Normal
  04/27/2025 07 PM PDT            3.95             64         0              Normal
  04/27/2025 08 PM PDT            3.95             64         0              Normal
  04/27/2025 09 PM PDT            3.95             64         0              Normal
  04/27/2025 10 PM PDT            3.95             64         0              Normal
  04/27/2025 11 PM PDT            3.95             64         0              Normal
  04/28/2025 12 AM PDT            3.95             64         0              Normal
  04/28/2025 01 AM PDT            3.94             63         -              Normal
  04/28/2025 02 AM PDT            3.94             63         0              Normal
  04/28/2025 03 AM PDT            3.94             63         0              Normal
  04/28/2025 04 AM PDT            3.94             63         0              Normal
  04/28/2025 05 AM PDT            3.94             63         0              Normal
  04/28/2025 06 AM PDT            3.94             63         0              Normal
  04/28/2025 07 AM PDT            3.93             62         -              Normal
  04/28/2025 08 AM PDT            3.94             63         +              Normal
  04/28/2025 09 AM PDT            3.94             63         0              Normal
  04/28/2025 10 AM PDT            3.94             63         0              Normal
  04/28/2025 11 AM PDT            3.94             63         0              Normal
  04/28/2025 12 PM PDT            3.94             63         0              Normal
  04/28/2025 01 PM PDT            3.93             62         -              Normal
  04/28/2025 02 PM PDT            3.93             62         0              Normal
  04/28/2025 03 PM PDT            3.93             62         0              Normal
  04/28/2025 04 PM PDT            3.93             62         0              Normal
  04/28/2025 05 PM PDT            3.93             62         0              Normal
  04/28/2025 06 PM PDT            3.93             62         0              Normal
  04/28/2025 07 PM PDT            3.92             62         -              Normal
  04/28/2025 08 PM PDT            3.93             62         +              Normal
  04/28/2025 09 PM PDT            3.92             62         -              Normal
  04/28/2025 10 PM PDT            3.92             62         0              Normal
  04/28/2025 11 PM PDT            3.92             62         0              Normal
  04/29/2025 12 AM PDT            3.91             61         -              Normal
  04/29/2025 01 AM PDT            3.91             61         0              Normal
  04/29/2025 02 AM PDT            3.91             61         0              Normal
  04/29/2025 03 AM PDT            3.91             61         0              Normal
  04/29/2025 04 AM PDT            3.91             61         0              Normal
  04/29/2025 05 AM PDT            3.91             61         0              Normal
  04/29/2025 06 AM PDT            3.90             60         -              Normal
  04/29/2025 07 AM PDT            3.90             60         0              Normal
  04/29/2025 08 AM PDT            3.90             60         0              Normal
  04/29/2025 09 AM PDT            3.88             58         -              Normal
  04/29/2025 10 AM PDT            3.90             60         +              Normal
  04/29/2025 11 AM PDT            3.90             60         0              Normal
  04/29/2025 12 PM PDT            3.91             61         +              Normal
  04/29/2025 01 PM PDT            3.90             60         -              Normal
  04/29/2025 02 PM PDT            3.90             60         0              Normal
  04/29/2025 03 PM PDT            3.90             60         0              Normal
  04/29/2025 04 PM PDT            3.90             60         0              Normal
  04/29/2025 05 PM PDT            3.90             60         0              Normal
  04/29/2025 06 PM PDT            3.89             59         -              Normal
  04/29/2025 07 PM PDT            3.89             59         0              Normal
  04/29/2025 08 PM PDT            3.89             59         0              Normal
  04/29/2025 09 PM PDT            3.88             58         -              Normal
  04/29/2025 10 PM PDT            3.88             58         0              Normal
  04/29/2025 11 PM PDT            3.88             58         0              Normal
  04/30/2025 12 AM PDT            3.88             58         0              Normal
  04/30/2025 01 AM PDT            3.88             58         0              Normal
  04/30/2025 02 AM PDT            3.88             58         0              Normal
  04/30/2025 03 AM PDT            3.88             58         0              Normal
  04/30/2025 04 AM PDT            3.88             58         0              Normal
  04/30/2025 05 AM PDT            3.88             58         0              Normal
  04/30/2025 06 AM PDT            3.88             58         0              Normal
  04/30/2025 07 AM PDT            3.88             58         0              Normal
  04/30/2025 08 AM PDT            3.88             58         0              Normal
  04/30/2025 09 AM PDT            3.88             58         0              Normal
  04/30/2025 10 AM PDT            3.88             58         0              Normal
  04/30/2025 11 AM PDT            3.87             58         -              Normal
  04/30/2025 12 PM PDT            3.88             58         +              Normal
  04/30/2025 01 PM PDT            3.88             58         0              Normal
  04/30/2025 02 PM PDT            3.88             58         0              Normal
  04/30/2025 03 PM PDT            3.87             58         -              Normal
  04/30/2025 04 PM PDT            3.89             59         +              Normal
  04/30/2025 05 PM PDT            3.89             59         0              Normal
  04/30/2025 06 PM PDT            3.88             58         -              Normal
  04/30/2025 07 PM PDT            3.88             58         0              Normal
  04/30/2025 08 PM PDT            3.88             58         0              Normal
  04/30/2025 09 PM PDT            3.88             58         0              Normal
  04/30/2025 10 PM PDT            3.88             58         0              Normal
  04/30/2025 11 PM PDT            3.88             58         0              Normal
  05/01/2025 12 AM PDT            3.88             58         0              Normal
  05/01/2025 01 AM PDT            3.88             58         0              Normal
  05/01/2025 02 AM PDT            3.88             58         0              Normal
  05/01/2025 03 AM PDT            3.88             58         0              Normal
  05/01/2025 04 AM PDT            3.88             58         0              Normal
  05/01/2025 05 AM PDT            3.88             58         0              Normal
  05/01/2025 06 AM PDT            3.88             58         0              Normal
  05/01/2025 07 AM PDT            3.88             58         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/01/2025 08 AM PDT            3.88             58                        Normal
  05/01/2025 09 AM PDT            3.88             58         0              Normal
  05/01/2025 10 AM PDT            3.88             58         0              Normal
  05/01/2025 11 AM PDT            3.88             58         0              Normal
  05/01/2025 12 PM PDT            3.88             58         0              Normal
  05/01/2025 01 PM PDT            3.88             58         0              Normal
  05/01/2025 02 PM PDT            3.88             58         0              Normal
  05/01/2025 03 PM PDT            3.88             58         0              Normal
  05/01/2025 04 PM PDT            3.88             58         0              Normal
  05/01/2025 05 PM PDT            3.88             58         0              Normal
  05/01/2025 06 PM PDT            3.87             58         -              Normal
  05/01/2025 07 PM PDT            3.87             58         0              Normal
  05/01/2025 08 PM PDT            3.87             58         0              Normal
  05/01/2025 09 PM PDT            3.87             58         0              Normal
  05/01/2025 10 PM PDT            3.87             58         0              Normal
  05/01/2025 11 PM PDT            3.87             58         0              Normal
  05/02/2025 12 AM PDT            3.87             58         0              Normal
  05/02/2025 01 AM PDT            3.87             58         0              Normal
  05/02/2025 02 AM PDT            3.87             58         0              Normal
  05/02/2025 03 AM PDT            3.87             58         0              Normal
  05/02/2025 04 AM PDT            3.87             58         0              Normal
  05/02/2025 05 AM PDT            3.87             58         0              Normal
  05/02/2025 06 AM PDT            3.87             58         0              Normal
  05/02/2025 07 AM PDT            3.87             58         0              Normal
  05/02/2025 08 AM PDT            3.87             58         0              Normal
  05/02/2025 09 AM PDT            3.87             58         0              Normal
  05/02/2025 10 AM PDT            3.87             58         0              Normal
  05/02/2025 11 AM PDT            3.87             58         0              Normal
  05/02/2025 12 PM PDT            3.87             58         0              Normal
  05/02/2025 01 PM PDT            3.87             58         0              Normal
  05/02/2025 02 PM PDT            3.87             58         0              Normal
  05/02/2025 03 PM PDT            3.86             57         -              Normal
  05/02/2025 04 PM PDT            3.86             57         0              Normal
  05/02/2025 05 PM PDT            3.86             57         0              Normal
  05/02/2025 06 PM PDT            3.86             57         0              Normal
  05/02/2025 07 PM PDT            3.86             57         0              Normal
  05/02/2025 08 PM PDT            3.86             57         0              Normal
  05/02/2025 09 PM PDT            3.86             57         0              Normal
  05/02/2025 10 PM PDT            3.86             57         0              Normal
  05/02/2025 11 PM PDT            3.86             57         0              Normal
  05/03/2025 12 AM PDT            3.86             57         0              Normal
  05/03/2025 01 AM PDT            3.86             57         0              Normal
  05/03/2025 02 AM PDT            3.86             57         0              Normal
  05/03/2025 03 AM PDT            3.86             57         0              Normal
  05/03/2025 04 AM PDT            3.86             57         0              Normal
  05/03/2025 05 AM PDT            3.86             57         0              Normal
  05/03/2025 06 AM PDT            3.86             57         0              Normal
  05/03/2025 07 AM PDT            3.86             57         0              Normal
  05/03/2025 08 AM PDT            3.86             57         0              Normal
  05/03/2025 09 AM PDT            3.86             57         0              Normal
  05/03/2025 10 AM PDT            3.85             56         -              Normal
  05/03/2025 11 AM PDT            3.85             56         0              Normal
  05/03/2025 12 PM PDT            3.85             56         0              Normal
  05/03/2025 01 PM PDT            3.85             56         0              Normal
  05/03/2025 02 PM PDT            3.85             56         0              Normal
  05/03/2025 03 PM PDT            3.85             56         0              Normal
  05/03/2025 04 PM PDT            3.85             56         0              Normal
  05/03/2025 05 PM PDT            3.85             56         0              Normal
  05/03/2025 06 PM PDT            3.85             56         0              Normal
  05/03/2025 07 PM PDT            3.85             56         0              Normal
  05/03/2025 08 PM PDT            3.85             56         0              Normal
  05/03/2025 09 PM PDT            3.85             56         0              Normal
  05/03/2025 10 PM PDT            3.85             56         0              Normal
  05/03/2025 11 PM PDT            3.85             56         0              Normal
  05/04/2025 12 AM PDT            3.85             56         0              Normal
  05/04/2025 01 AM PDT            3.85             56         0              Normal
  05/04/2025 02 AM PDT            3.85             56         0              Normal
  05/04/2025 03 AM PDT            3.85             56         0              Normal
  05/04/2025 04 AM PDT            3.85             56         0              Normal
  05/04/2025 05 AM PDT            3.85             56         0              Normal
  05/04/2025 06 AM PDT            3.85             56         0              Normal
  05/04/2025 07 AM PDT            3.85             56         0              Normal
  05/04/2025 08 AM PDT            3.84             55         -              Normal
  05/04/2025 09 AM PDT            3.84             55         0              Normal
  05/04/2025 10 AM PDT            3.84             55         0              Normal
  05/04/2025 11 AM PDT            3.84             55         0              Normal
  05/04/2025 12 PM PDT            3.84             55         0              Normal
  05/04/2025 01 PM PDT            3.84             55         0              Normal
  05/04/2025 02 PM PDT            3.84             55         0              Normal
  05/04/2025 03 PM PDT            3.84             55         0              Normal
  05/04/2025 04 PM PDT            3.84             55         0              Normal
  05/04/2025 05 PM PDT            3.84             55         0              Normal
  05/04/2025 06 PM PDT            3.84             55         0              Normal
  05/04/2025 07 PM PDT            3.84             55         0              Normal
  05/04/2025 08 PM PDT            3.84             55         0              Normal
  05/04/2025 09 PM PDT            3.84             55         0              Normal
  05/04/2025 10 PM PDT            3.84             55         0              Normal
  05/04/2025 11 PM PDT            3.84             55         0              Normal
  05/05/2025 12 AM PDT            3.84             55         0              Normal
  05/05/2025 01 AM PDT            3.84             55         0              Normal
  05/05/2025 02 AM PDT            3.84             55         0              Normal
  05/05/2025 03 AM PDT            3.84             55         0              Normal
  05/05/2025 04 AM PDT            3.83             55         -              Normal
  05/05/2025 05 AM PDT            3.83             55         0              Normal
  05/05/2025 06 AM PDT            3.83             55         0              Normal
  05/05/2025 07 AM PDT            3.83             55         0              Normal
  05/05/2025 08 AM PDT            3.83             55         0              Normal
  05/05/2025 09 AM PDT            3.83             55         0              Normal
  05/05/2025 10 AM PDT            3.83             55         0              Normal
  05/05/2025 11 AM PDT            3.83             55         0              Normal
  05/05/2025 12 PM PDT            3.83             55         0              Normal
  05/05/2025 01 PM PDT            3.83             55         0              Normal
  05/05/2025 02 PM PDT            3.83             55         0              Normal
  05/05/2025 03 PM PDT            3.83             55         0              Normal
  05/05/2025 04 PM PDT            3.83             55         0              Normal
  05/05/2025 05 PM PDT            3.83             55         0              Normal
  05/05/2025 06 PM PDT            3.83             55         0              Normal
  05/05/2025 07 PM PDT            3.83             55         0              Normal
  05/05/2025 08 PM PDT            3.83             55         0              Normal
  05/05/2025 09 PM PDT            3.83             55         0              Normal
  05/05/2025 10 PM PDT            3.83             55         0              Normal
  05/05/2025 11 PM PDT            3.83             55         0              Normal
  05/06/2025 12 AM PDT            3.83             55         0              Normal
  05/06/2025 01 AM PDT            3.83             55         0              Normal
  05/06/2025 02 AM PDT            3.83             55         0              Normal
  05/06/2025 03 AM PDT            3.82             54         -              Normal
  05/06/2025 04 AM PDT            3.82             54         0              Normal
  05/06/2025 05 AM PDT            3.82             54         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.