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: Feb 03 2026 at 1:25 PM PSTNext Issuance: Feb 04 2026 at 9:00 AM PST
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:  02/03/2026 at 01:25 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  01/29/2026 at 07:00 PM PST
# Maximum Observed Stage:                       3.97 Feet
# Maximum Observed Flow:                        63 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/03/2026 at 02:00 PM PST
# Maximum Forecast Stage:                       3.84 Feet
# Maximum Forecast Flow:                        53 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  01/29/2026 01 PM PST            3.96             63                        Normal
  01/29/2026 02 PM PST            3.95             62         -              Normal
  01/29/2026 03 PM PST            3.96             63         +              Normal
  01/29/2026 04 PM PST            3.97             63         +              Normal
  01/29/2026 05 PM PST            3.96             63         -              Normal
  01/29/2026 06 PM PST            3.96             63         0              Normal
  01/29/2026 07 PM PST            3.97             63         +              Normal
  01/29/2026 08 PM PST            3.96             63         -              Normal
  01/29/2026 09 PM PST            3.96             63         0              Normal
  01/29/2026 10 PM PST            3.96             63         0              Normal
  01/29/2026 11 PM PST            3.96             63         0              Normal
  01/30/2026 12 AM PST            3.96             63         0              Normal
  01/30/2026 01 AM PST            3.96             63         0              Normal
  01/30/2026 02 AM PST            3.96             63         0              Normal
  01/30/2026 03 AM PST            3.95             62         -              Normal
  01/30/2026 04 AM PST            3.95             62         0              Normal
  01/30/2026 05 AM PST            3.95             62         0              Normal
  01/30/2026 06 AM PST            3.95             62         0              Normal
  01/30/2026 07 AM PST            3.95             62         0              Normal
  01/30/2026 08 AM PST            3.94             61         -              Normal
  01/30/2026 09 AM PST            3.95             62         +              Normal
  01/30/2026 10 AM PST            3.94             61         -              Normal
  01/30/2026 11 AM PST            3.94             61         0              Normal
  01/30/2026 12 PM PST            3.93             60         -              Normal
  01/30/2026 01 PM PST            3.93             60         0              Normal
  01/30/2026 02 PM PST            3.93             60         0              Normal
  01/30/2026 03 PM PST            3.94             61         +              Normal
  01/30/2026 04 PM PST            3.94             61         0              Normal
  01/30/2026 05 PM PST            3.94             61         0              Normal
  01/30/2026 06 PM PST            3.94             61         0              Normal
  01/30/2026 07 PM PST            3.94             61         0              Normal
  01/30/2026 08 PM PST            3.94             61         0              Normal
  01/30/2026 09 PM PST            3.93             60         -              Normal
  01/30/2026 10 PM PST            3.94             61         +              Normal
  01/30/2026 11 PM PST            3.94             61         0              Normal
  01/31/2026 12 AM PST            3.93             60         -              Normal
  01/31/2026 01 AM PST            3.93             60         0              Normal
  01/31/2026 02 AM PST            3.93             60         0              Normal
  01/31/2026 03 AM PST            3.93             60         0              Normal
  01/31/2026 04 AM PST            3.93             60         0              Normal
  01/31/2026 05 AM PST            3.93             60         0              Normal
  01/31/2026 06 AM PST            3.93             60         0              Normal
  01/31/2026 07 AM PST            3.93             60         0              Normal
  01/31/2026 08 AM PST            3.93             60         0              Normal
  01/31/2026 09 AM PST            3.92             59         -              Normal
  01/31/2026 10 AM PST            3.92             59         0              Normal
  01/31/2026 11 AM PST            3.91             58         -              Normal
  01/31/2026 12 PM PST            3.91             58         0              Normal
  01/31/2026 01 PM PST            3.91             58         0              Normal
  01/31/2026 02 PM PST            3.91             58         0              Normal
  01/31/2026 03 PM PST            3.92             59         +              Normal
  01/31/2026 04 PM PST            3.92             59         0              Normal
  01/31/2026 05 PM PST            3.92             59         0              Normal
  01/31/2026 06 PM PST            3.92             59         0              Normal
  01/31/2026 07 PM PST            3.92             59         0              Normal
  01/31/2026 08 PM PST            3.92             59         0              Normal
  01/31/2026 09 PM PST            3.91             58         -              Normal
  01/31/2026 10 PM PST            3.91             58         0              Normal
  01/31/2026 11 PM PST            3.92             59         +              Normal
  02/01/2026 12 AM PST            3.91             58         -              Normal
  02/01/2026 01 AM PST            3.91             58         0              Normal
  02/01/2026 02 AM PST            3.91             58         0              Normal
  02/01/2026 03 AM PST            3.91             58         0              Normal
  02/01/2026 04 AM PST            3.91             58         0              Normal
  02/01/2026 05 AM PST            3.91             58         0              Normal
  02/01/2026 06 AM PST            3.91             58         0              Normal
  02/01/2026 07 AM PST            3.90             58         -              Normal
  02/01/2026 08 AM PST            3.90             58         0              Normal
  02/01/2026 09 AM PST            3.90             58         0              Normal
  02/01/2026 10 AM PST            3.90             58         0              Normal
  02/01/2026 11 AM PST            3.89             57         -              Normal
  02/01/2026 12 PM PST            3.88             56         -              Normal
  02/01/2026 01 PM PST            3.89             57         +              Normal
  02/01/2026 02 PM PST            3.89             57         0              Normal
  02/01/2026 03 PM PST            3.90             58         +              Normal
  02/01/2026 04 PM PST            3.90             58         0              Normal
  02/01/2026 05 PM PST            3.90             58         0              Normal
  02/01/2026 06 PM PST            3.90             58         0              Normal
  02/01/2026 07 PM PST            3.90             58         0              Normal
  02/01/2026 08 PM PST            3.90             58         0              Normal
  02/01/2026 09 PM PST            3.89             57         -              Normal
  02/01/2026 10 PM PST            3.90             58         +              Normal
  02/01/2026 11 PM PST            3.90             58         0              Normal
  02/02/2026 12 AM PST            3.89             57         -              Normal
  02/02/2026 01 AM PST            3.89             57         0              Normal
  02/02/2026 02 AM PST            3.89             57         0              Normal
  02/02/2026 03 AM PST            3.88             56         -              Normal
  02/02/2026 04 AM PST            3.89             57         +              Normal
  02/02/2026 05 AM PST            3.88             56         -              Normal
  02/02/2026 06 AM PST            3.87             55         -              Normal
  02/02/2026 07 AM PST            3.88             56         +              Normal
  02/02/2026 08 AM PST            3.88             56         0              Normal
  02/02/2026 09 AM PST            3.87             55         -              Normal
  02/02/2026 10 AM PST            3.87             55         0              Normal
  02/02/2026 11 AM PST            3.87             55         0              Normal
  02/02/2026 12 PM PST            3.86             54         -              Normal
  02/02/2026 01 PM PST            3.86             54         0              Normal
  02/02/2026 02 PM PST            3.87             55         +              Normal
  02/02/2026 03 PM PST            3.87             55         0              Normal
  02/02/2026 04 PM PST            3.88             56         +              Normal
  02/02/2026 05 PM PST            3.88             56         0              Normal
  02/02/2026 06 PM PST            3.88             56         0              Normal
  02/02/2026 07 PM PST            3.88             56         0              Normal
  02/02/2026 08 PM PST            3.88             56         0              Normal
  02/02/2026 09 PM PST            3.88             56         0              Normal
  02/02/2026 10 PM PST            3.88             56         0              Normal
  02/02/2026 11 PM PST            3.88             56         0              Normal
  02/03/2026 12 AM PST            3.88             56         0              Normal
  02/03/2026 01 AM PST            3.88             56         0              Normal
  02/03/2026 02 AM PST            3.87             55         -              Normal
  02/03/2026 03 AM PST            3.87             55         0              Normal
  02/03/2026 04 AM PST            3.87             55         0              Normal
  02/03/2026 05 AM PST            3.87             55         0              Normal
  02/03/2026 06 AM PST            3.87             55         0              Normal
  02/03/2026 07 AM PST            3.87             55         0              Normal
  02/03/2026 08 AM PST            3.86             54         -              Normal
  02/03/2026 09 AM PST            3.86             54         0              Normal
  02/03/2026 10 AM PST            3.86             54         0              Normal
  02/03/2026 11 AM PST            3.86             54         0              Normal
  02/03/2026 12 PM PST            3.84             53         -              Normal
  02/03/2026 01 PM PST            3.84             53         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/03/2026 02 PM PST            3.84             53                        Normal
  02/03/2026 03 PM PST            3.84             53         0              Normal
  02/03/2026 04 PM PST            3.84             53         0              Normal
  02/03/2026 05 PM PST            3.83             52         -              Normal
  02/03/2026 06 PM PST            3.83             52         0              Normal
  02/03/2026 07 PM PST            3.83             52         0              Normal
  02/03/2026 08 PM PST            3.83             52         0              Normal
  02/03/2026 09 PM PST            3.83             52         0              Normal
  02/03/2026 10 PM PST            3.83             52         0              Normal
  02/03/2026 11 PM PST            3.83             52         0              Normal
  02/04/2026 12 AM PST            3.83             52         0              Normal
  02/04/2026 01 AM PST            3.83             52         0              Normal
  02/04/2026 02 AM PST            3.82             51         -              Normal
  02/04/2026 03 AM PST            3.82             51         0              Normal
  02/04/2026 04 AM PST            3.82             51         0              Normal
  02/04/2026 05 AM PST            3.82             51         0              Normal
  02/04/2026 06 AM PST            3.82             51         0              Normal
  02/04/2026 07 AM PST            3.82             51         0              Normal
  02/04/2026 08 AM PST            3.82             51         0              Normal
  02/04/2026 09 AM PST            3.82             51         0              Normal
  02/04/2026 10 AM PST            3.82             51         0              Normal
  02/04/2026 11 AM PST            3.81             51         -              Normal
  02/04/2026 12 PM PST            3.81             51         0              Normal
  02/04/2026 01 PM PST            3.81             51         0              Normal
  02/04/2026 02 PM PST            3.81             51         0              Normal
  02/04/2026 03 PM PST            3.81             51         0              Normal
  02/04/2026 04 PM PST            3.81             51         0              Normal
  02/04/2026 05 PM PST            3.81             51         0              Normal
  02/04/2026 06 PM PST            3.81             51         0              Normal
  02/04/2026 07 PM PST            3.81             51         0              Normal
  02/04/2026 08 PM PST            3.81             51         0              Normal
  02/04/2026 09 PM PST            3.80             50         -              Normal
  02/04/2026 10 PM PST            3.80             50         0              Normal
  02/04/2026 11 PM PST            3.80             50         0              Normal
  02/05/2026 12 AM PST            3.80             50         0              Normal
  02/05/2026 01 AM PST            3.80             50         0              Normal
  02/05/2026 02 AM PST            3.80             50         0              Normal
  02/05/2026 03 AM PST            3.80             50         0              Normal
  02/05/2026 04 AM PST            3.80             50         0              Normal
  02/05/2026 05 AM PST            3.80             50         0              Normal
  02/05/2026 06 AM PST            3.79             49         -              Normal
  02/05/2026 07 AM PST            3.79             49         0              Normal
  02/05/2026 08 AM PST            3.79             49         0              Normal
  02/05/2026 09 AM PST            3.79             49         0              Normal
  02/05/2026 10 AM PST            3.79             49         0              Normal
  02/05/2026 11 AM PST            3.79             49         0              Normal
  02/05/2026 12 PM PST            3.79             49         0              Normal
  02/05/2026 01 PM PST            3.79             49         0              Normal
  02/05/2026 02 PM PST            3.79             49         0              Normal
  02/05/2026 03 PM PST            3.79             49         0              Normal
  02/05/2026 04 PM PST            3.79             49         0              Normal
  02/05/2026 05 PM PST            3.78             48         -              Normal
  02/05/2026 06 PM PST            3.78             48         0              Normal
  02/05/2026 07 PM PST            3.78             48         0              Normal
  02/05/2026 08 PM PST            3.78             48         0              Normal
  02/05/2026 09 PM PST            3.78             48         0              Normal
  02/05/2026 10 PM PST            3.78             48         0              Normal
  02/05/2026 11 PM PST            3.78             48         0              Normal
  02/06/2026 12 AM PST            3.78             48         0              Normal
  02/06/2026 01 AM PST            3.78             48         0              Normal
  02/06/2026 02 AM PST            3.77             48         -              Normal
  02/06/2026 03 AM PST            3.77             48         0              Normal
  02/06/2026 04 AM PST            3.77             48         0              Normal
  02/06/2026 05 AM PST            3.77             48         0              Normal
  02/06/2026 06 AM PST            3.77             48         0              Normal
  02/06/2026 07 AM PST            3.77             48         0              Normal
  02/06/2026 08 AM PST            3.77             48         0              Normal
  02/06/2026 09 AM PST            3.77             48         0              Normal
  02/06/2026 10 AM PST            3.77             48         0              Normal
  02/06/2026 11 AM PST            3.77             48         0              Normal
  02/06/2026 12 PM PST            3.77             48         0              Normal
  02/06/2026 01 PM PST            3.77             48         0              Normal
  02/06/2026 02 PM PST            3.77             48         0              Normal
  02/06/2026 03 PM PST            3.76             47         -              Normal
  02/06/2026 04 PM PST            3.76             47         0              Normal
  02/06/2026 05 PM PST            3.76             47         0              Normal
  02/06/2026 06 PM PST            3.76             47         0              Normal
  02/06/2026 07 PM PST            3.76             47         0              Normal
  02/06/2026 08 PM PST            3.76             47         0              Normal
  02/06/2026 09 PM PST            3.76             47         0              Normal
  02/06/2026 10 PM PST            3.76             47         0              Normal
  02/06/2026 11 PM PST            3.76             47         0              Normal
  02/07/2026 12 AM PST            3.75             46         -              Normal
  02/07/2026 01 AM PST            3.75             46         0              Normal
  02/07/2026 02 AM PST            3.75             46         0              Normal
  02/07/2026 03 AM PST            3.75             46         0              Normal
  02/07/2026 04 AM PST            3.75             46         0              Normal
  02/07/2026 05 AM PST            3.75             46         0              Normal
  02/07/2026 06 AM PST            3.75             46         0              Normal
  02/07/2026 07 AM PST            3.75             46         0              Normal
  02/07/2026 08 AM PST            3.75             46         0              Normal
  02/07/2026 09 AM PST            3.75             46         0              Normal
  02/07/2026 10 AM PST            3.75             46         0              Normal
  02/07/2026 11 AM PST            3.75             46         0              Normal
  02/07/2026 12 PM PST            3.75             46         0              Normal
  02/07/2026 01 PM PST            3.74             45         -              Normal
  02/07/2026 02 PM PST            3.74             45         0              Normal
  02/07/2026 03 PM PST            3.74             45         0              Normal
  02/07/2026 04 PM PST            3.74             45         0              Normal
  02/07/2026 05 PM PST            3.74             45         0              Normal
  02/07/2026 06 PM PST            3.74             45         0              Normal
  02/07/2026 07 PM PST            3.74             45         0              Normal
  02/07/2026 08 PM PST            3.74             45         0              Normal
  02/07/2026 09 PM PST            3.74             45         0              Normal
  02/07/2026 10 PM PST            3.73             45         -              Normal
  02/07/2026 11 PM PST            3.73             45         0              Normal
  02/08/2026 12 AM PST            3.73             45         0              Normal
  02/08/2026 01 AM PST            3.73             45         0              Normal
  02/08/2026 02 AM PST            3.73             45         0              Normal
  02/08/2026 03 AM PST            3.73             45         0              Normal
  02/08/2026 04 AM PST            3.73             45         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.