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: Mar 10 2026 at 12:46 PM PDTNext Issuance: Mar 11 2026 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:  03/10/2026 at 12:46 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/09/2026 at 12:00 PM PDT
# Maximum Observed Stage:                       4.76 Feet
# Maximum Observed Flow:                        164 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/10/2026 at 01:00 PM PDT
# Maximum Forecast Stage:                       4.34 Feet
# Maximum Forecast Flow:                        105 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/05/2026 11 AM PST            4.51            128                        Normal
  03/05/2026 12 PM PST            4.51            128         0              Normal
  03/05/2026 01 PM PST            4.52            129         +              Normal
  03/05/2026 02 PM PST            4.52            129         0              Normal
  03/05/2026 03 PM PST            4.51            128         -              Normal
  03/05/2026 04 PM PST            4.50            126         -              Normal
  03/05/2026 05 PM PST            4.50            126         0              Normal
  03/05/2026 06 PM PST            4.50            126         0              Normal
  03/05/2026 07 PM PST            4.50            126         0              Normal
  03/05/2026 08 PM PST            4.49            125         -              Normal
  03/05/2026 09 PM PST            4.49            125         0              Normal
  03/05/2026 10 PM PST            4.49            125         0              Normal
  03/05/2026 11 PM PST            4.48            124         -              Normal
  03/06/2026 12 AM PST            4.48            124         0              Normal
  03/06/2026 01 AM PST            4.48            124         0              Normal
  03/06/2026 02 AM PST            4.47            122         -              Normal
  03/06/2026 03 AM PST            4.47            122         0              Normal
  03/06/2026 04 AM PST            4.48            124         +              Normal
  03/06/2026 05 AM PST            4.47            122         -              Normal
  03/06/2026 06 AM PST            4.47            122         0              Normal
  03/06/2026 07 AM PST            4.48            124         +              Normal
  03/06/2026 08 AM PST            4.47            122         -              Normal
  03/06/2026 09 AM PST            4.47            122         0              Normal
  03/06/2026 10 AM PST            4.46            121         -              Normal
  03/06/2026 11 AM PST            4.46            121         0              Normal
  03/06/2026 12 PM PST            4.46            121         0              Normal
  03/06/2026 01 PM PST            4.45            120         -              Normal
  03/06/2026 02 PM PST            4.45            120         0              Normal
  03/06/2026 03 PM PST            4.46            121         +              Normal
  03/06/2026 04 PM PST            4.45            120         -              Normal
  03/06/2026 05 PM PST            4.45            120         0              Normal
  03/06/2026 06 PM PST            4.45            120         0              Normal
  03/06/2026 07 PM PST            4.45            120         0              Normal
  03/06/2026 08 PM PST            4.45            120         0              Normal
  03/06/2026 09 PM PST            4.44            118         -              Normal
  03/06/2026 10 PM PST            4.44            118         0              Normal
  03/06/2026 11 PM PST            4.44            118         0              Normal
  03/07/2026 12 AM PST            4.44            118         0              Normal
  03/07/2026 01 AM PST            4.43            117         -              Normal
  03/07/2026 02 AM PST            4.43            117         0              Normal
  03/07/2026 03 AM PST            4.43            117         0              Normal
  03/07/2026 04 AM PST            4.42            116         -              Normal
  03/07/2026 05 AM PST            4.42            116         0              Normal
  03/07/2026 06 AM PST            4.42            116         0              Normal
  03/07/2026 07 AM PST            4.41            114         -              Normal
  03/07/2026 08 AM PST            4.41            114         0              Normal
  03/07/2026 09 AM PST            4.41            114         0              Normal
  03/07/2026 10 AM PST            4.41            114         0              Normal
  03/07/2026 11 AM PST            4.41            114         0              Normal
  03/07/2026 12 PM PST            4.40            113         -              Normal
  03/07/2026 01 PM PST            4.41            114         +              Normal
  03/07/2026 02 PM PST            4.40            113         -              Normal
  03/07/2026 03 PM PST            4.41            114         +              Normal
  03/07/2026 04 PM PST            4.41            114         0              Normal
  03/07/2026 05 PM PST            4.41            114         0              Normal
  03/07/2026 06 PM PST            4.41            114         0              Normal
  03/07/2026 07 PM PST            4.40            113         -              Normal
  03/07/2026 08 PM PST            4.40            113         0              Normal
  03/07/2026 09 PM PST            4.39            112         -              Normal
  03/07/2026 10 PM PST            4.39            112         0              Normal
  03/07/2026 11 PM PST            4.39            112         0              Normal
  03/08/2026 12 AM PST            4.39            112         0              Normal
  03/08/2026 01 AM PST            4.39            112         0              Normal
  03/08/2026 03 AM PDT            4.38            110         -              Normal
  03/08/2026 04 AM PDT            4.38            110         0              Normal
  03/08/2026 05 AM PDT            4.38            110         0              Normal
  03/08/2026 06 AM PDT            4.38            110         0              Normal
  03/08/2026 07 AM PDT            4.38            110         0              Normal
  03/08/2026 08 AM PDT            4.38            110         0              Normal
  03/08/2026 09 AM PDT            4.38            110         0              Normal
  03/08/2026 10 AM PDT            4.37            109         -              Normal
  03/08/2026 11 AM PDT            4.38            110         +              Normal
  03/08/2026 12 PM PDT            4.38            110         0              Normal
  03/08/2026 01 PM PDT            4.37            109         -              Normal
  03/08/2026 02 PM PDT            4.38            110         +              Normal
  03/08/2026 03 PM PDT            4.37            109         -              Normal
  03/08/2026 04 PM PDT            4.38            110         +              Normal
  03/08/2026 05 PM PDT            4.37            109         -              Normal
  03/08/2026 06 PM PDT            4.38            110         +              Normal
  03/08/2026 07 PM PDT            4.38            110         0              Normal
  03/08/2026 08 PM PDT            4.37            109         -              Normal
  03/08/2026 09 PM PDT            4.37            109         0              Normal
  03/08/2026 10 PM PDT            4.37            109         0              Normal
  03/08/2026 11 PM PDT            4.37            109         0              Normal
  03/09/2026 12 AM PDT            4.37            109         0              Normal
  03/09/2026 01 AM PDT            4.37            109         0              Normal
  03/09/2026 02 AM PDT            4.36            108         -              Normal
  03/09/2026 03 AM PDT            4.36            108         0              Normal
  03/09/2026 04 AM PDT            4.36            108         0              Normal
  03/09/2026 05 AM PDT            4.36            108         0              Normal
  03/09/2026 06 AM PDT            4.36            108         0              Normal
  03/09/2026 07 AM PDT            4.36            108         0              Normal
  03/09/2026 08 AM PDT            4.35            107         -              Normal
  03/09/2026 09 AM PDT            4.46            121         +              Normal
  03/09/2026 10 AM PDT            4.57            136         +              Normal
  03/09/2026 11 AM PDT            4.66            149         +              Normal
  03/09/2026 12 PM PDT            4.76            164         +              Normal
  03/09/2026 01 PM PDT            4.53            131         -              Normal
  03/09/2026 02 PM PDT            4.42            116         -              Normal
  03/09/2026 03 PM PDT            4.41            114         -              Normal
  03/09/2026 04 PM PDT            4.41            114         0              Normal
  03/09/2026 05 PM PDT            4.39            112         -              Normal
  03/09/2026 06 PM PDT            4.39            112         0              Normal
  03/09/2026 07 PM PDT            4.39            112         0              Normal
  03/09/2026 08 PM PDT            4.39            112         0              Normal
  03/09/2026 09 PM PDT            4.38            110         -              Normal
  03/09/2026 10 PM PDT            4.38            110         0              Normal
  03/09/2026 11 PM PDT            4.38            110         0              Normal
  03/10/2026 12 AM PDT            4.37            109         -              Normal
  03/10/2026 01 AM PDT            4.37            109         0              Normal
  03/10/2026 02 AM PDT            4.36            108         -              Normal
  03/10/2026 03 AM PDT            4.36            108         0              Normal
  03/10/2026 04 AM PDT            4.35            107         -              Normal
  03/10/2026 05 AM PDT            4.36            108         +              Normal
  03/10/2026 06 AM PDT            4.35            107         -              Normal
  03/10/2026 07 AM PDT            4.35            107         0              Normal
  03/10/2026 08 AM PDT            4.35            107         0              Normal
  03/10/2026 09 AM PDT            4.34            105         -              Normal
  03/10/2026 10 AM PDT            4.34            105         0              Normal
  03/10/2026 11 AM PDT            4.34            105         0              Normal
  03/10/2026 12 PM PDT            4.34            105         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/10/2026 01 PM PDT            4.34            105                        Normal
  03/10/2026 02 PM PDT            4.34            105         0              Normal
  03/10/2026 03 PM PDT            4.33            104         -              Normal
  03/10/2026 04 PM PDT            4.33            104         0              Normal
  03/10/2026 05 PM PDT            4.33            104         0              Normal
  03/10/2026 06 PM PDT            4.33            104         0              Normal
  03/10/2026 07 PM PDT            4.33            104         0              Normal
  03/10/2026 08 PM PDT            4.33            104         0              Normal
  03/10/2026 09 PM PDT            4.32            103         -              Normal
  03/10/2026 10 PM PDT            4.32            103         0              Normal
  03/10/2026 11 PM PDT            4.32            103         0              Normal
  03/11/2026 12 AM PDT            4.32            103         0              Normal
  03/11/2026 01 AM PDT            4.32            103         0              Normal
  03/11/2026 02 AM PDT            4.31            102         -              Normal
  03/11/2026 03 AM PDT            4.31            102         0              Normal
  03/11/2026 04 AM PDT            4.31            102         0              Normal
  03/11/2026 05 AM PDT            4.31            102         0              Normal
  03/11/2026 06 AM PDT            4.31            102         0              Normal
  03/11/2026 07 AM PDT            4.30            101         -              Normal
  03/11/2026 08 AM PDT            4.30            101         0              Normal
  03/11/2026 09 AM PDT            4.30            101         0              Normal
  03/11/2026 10 AM PDT            4.30            101         0              Normal
  03/11/2026 11 AM PDT            4.30            101         0              Normal
  03/11/2026 12 PM PDT            4.30            101         0              Normal
  03/11/2026 01 PM PDT            4.29            100         -              Normal
  03/11/2026 02 PM PDT            4.29            100         0              Normal
  03/11/2026 03 PM PDT            4.29            100         0              Normal
  03/11/2026 04 PM PDT            4.29            100         0              Normal
  03/11/2026 05 PM PDT            4.29            100         0              Normal
  03/11/2026 06 PM PDT            4.29            100         0              Normal
  03/11/2026 07 PM PDT            4.28             98         -              Normal
  03/11/2026 08 PM PDT            4.28             98         0              Normal
  03/11/2026 09 PM PDT            4.28             98         0              Normal
  03/11/2026 10 PM PDT            4.28             98         0              Normal
  03/11/2026 11 PM PDT            4.28             98         0              Normal
  03/12/2026 12 AM PDT            4.28             98         0              Normal
  03/12/2026 01 AM PDT            4.27             97         -              Normal
  03/12/2026 02 AM PDT            4.27             97         0              Normal
  03/12/2026 03 AM PDT            4.27             97         0              Normal
  03/12/2026 04 AM PDT            4.27             97         0              Normal
  03/12/2026 05 AM PDT            4.27             97         0              Normal
  03/12/2026 06 AM PDT            4.26             96         -              Normal
  03/12/2026 07 AM PDT            4.26             96         0              Normal
  03/12/2026 08 AM PDT            4.26             96         0              Normal
  03/12/2026 09 AM PDT            4.26             96         0              Normal
  03/12/2026 10 AM PDT            4.26             96         0              Normal
  03/12/2026 11 AM PDT            4.26             96         0              Normal
  03/12/2026 12 PM PDT            4.25             95         -              Normal
  03/12/2026 01 PM PDT            4.25             95         0              Normal
  03/12/2026 02 PM PDT            4.25             95         0              Normal
  03/12/2026 03 PM PDT            4.25             95         0              Normal
  03/12/2026 04 PM PDT            4.25             95         0              Normal
  03/12/2026 05 PM PDT            4.25             95         0              Normal
  03/12/2026 06 PM PDT            4.25             95         0              Normal
  03/12/2026 07 PM PDT            4.24             94         -              Normal
  03/12/2026 08 PM PDT            4.24             94         0              Normal
  03/12/2026 09 PM PDT            4.24             94         0              Normal
  03/12/2026 10 PM PDT            4.24             94         0              Normal
  03/12/2026 11 PM PDT            4.24             94         0              Normal
  03/13/2026 12 AM PDT            4.24             94         0              Normal
  03/13/2026 01 AM PDT            4.23             93         -              Normal
  03/13/2026 02 AM PDT            4.23             93         0              Normal
  03/13/2026 03 AM PDT            4.23             93         0              Normal
  03/13/2026 04 AM PDT            4.23             93         0              Normal
  03/13/2026 05 AM PDT            4.23             93         0              Normal
  03/13/2026 06 AM PDT            4.22             92         -              Normal
  03/13/2026 07 AM PDT            4.22             92         0              Normal
  03/13/2026 08 AM PDT            4.22             92         0              Normal
  03/13/2026 09 AM PDT            4.22             92         0              Normal
  03/13/2026 10 AM PDT            4.22             92         0              Normal
  03/13/2026 11 AM PDT            4.22             92         0              Normal
  03/13/2026 12 PM PDT            4.21             91         -              Normal
  03/13/2026 01 PM PDT            4.21             91         0              Normal
  03/13/2026 02 PM PDT            4.21             91         0              Normal
  03/13/2026 03 PM PDT            4.21             91         0              Normal
  03/13/2026 04 PM PDT            4.21             91         0              Normal
  03/13/2026 05 PM PDT            4.21             91         0              Normal
  03/13/2026 06 PM PDT            4.21             91         0              Normal
  03/13/2026 07 PM PDT            4.20             89         -              Normal
  03/13/2026 08 PM PDT            4.20             89         0              Normal
  03/13/2026 09 PM PDT            4.20             89         0              Normal
  03/13/2026 10 PM PDT            4.20             89         0              Normal
  03/13/2026 11 PM PDT            4.20             89         0              Normal
  03/14/2026 12 AM PDT            4.20             89         0              Normal
  03/14/2026 01 AM PDT            4.20             89         0              Normal
  03/14/2026 02 AM PDT            4.19             88         -              Normal
  03/14/2026 03 AM PDT            4.19             88         0              Normal
  03/14/2026 04 AM PDT            4.19             88         0              Normal
  03/14/2026 05 AM PDT            4.19             88         0              Normal
  03/14/2026 06 AM PDT            4.19             88         0              Normal
  03/14/2026 07 AM PDT            4.18             87         -              Normal
  03/14/2026 08 AM PDT            4.18             87         0              Normal
  03/14/2026 09 AM PDT            4.18             87         0              Normal
  03/14/2026 10 AM PDT            4.18             87         0              Normal
  03/14/2026 11 AM PDT            4.18             87         0              Normal
  03/14/2026 12 PM PDT            4.18             87         0              Normal
  03/14/2026 01 PM PDT            4.18             87         0              Normal
  03/14/2026 02 PM PDT            4.17             86         -              Normal
  03/14/2026 03 PM PDT            4.17             86         0              Normal
  03/14/2026 04 PM PDT            4.17             86         0              Normal
  03/14/2026 05 PM PDT            4.17             86         0              Normal
  03/14/2026 06 PM PDT            4.17             86         0              Normal
  03/14/2026 07 PM PDT            4.17             86         0              Normal
  03/14/2026 08 PM PDT            4.17             86         0              Normal
  03/14/2026 09 PM PDT            4.16             85         -              Normal
  03/14/2026 10 PM PDT            4.16             85         0              Normal
  03/14/2026 11 PM PDT            4.16             85         0              Normal
  03/15/2026 12 AM PDT            4.16             85         0              Normal
  03/15/2026 01 AM PDT            4.16             85         0              Normal
  03/15/2026 02 AM PDT            4.16             85         0              Normal
  03/15/2026 03 AM PDT            4.16             85         0              Normal
  03/15/2026 04 AM PDT            4.15             84         -              Normal
  03/15/2026 05 AM PDT            4.15             84         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.