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: Jan 04 2026 at 2:13 PM PSTNext Issuance: Jan 05 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:  01/04/2026 at 02:13 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  01/04/2026 at 11:00 AM PST
# Maximum Observed Stage:                       10.75 Feet
# Maximum Observed Flow:                        2332 cfs
#
# Earliest Date & Time of Maximum Forecast:     01/04/2026 at 04:00 PM PST
# Maximum Forecast Stage:                       10.12 Feet
# Maximum Forecast Flow:                        1977 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/30/2025 02 PM PST            4.04             68                        Normal
  12/30/2025 03 PM PST            4.04             68         0              Normal
  12/30/2025 04 PM PST            4.04             68         0              Normal
  12/30/2025 05 PM PST            4.03             67         -              Normal
  12/30/2025 06 PM PST            4.03             67         0              Normal
  12/30/2025 07 PM PST            4.03             67         0              Normal
  12/30/2025 08 PM PST            4.02             66         -              Normal
  12/30/2025 09 PM PST            4.01             66         -              Normal
  12/30/2025 10 PM PST            4.01             66         0              Normal
  12/30/2025 11 PM PST            4.01             66         0              Normal
  12/31/2025 12 AM PST            4.00             65         -              Normal
  12/31/2025 01 AM PST            4.00             65         0              Normal
  12/31/2025 02 AM PST            3.99             64         -              Normal
  12/31/2025 03 AM PST            3.99             64         0              Normal
  12/31/2025 04 AM PST            3.99             64         0              Normal
  12/31/2025 05 AM PST            3.98             63         -              Normal
  12/31/2025 06 AM PST            3.98             63         0              Normal
  12/31/2025 07 AM PST            3.97             62         -              Normal
  12/31/2025 08 AM PST            3.97             62         0              Normal
  12/31/2025 09 AM PST            3.97             62         0              Normal
  12/31/2025 10 AM PST            3.97             62         0              Normal
  12/31/2025 11 AM PST            3.97             62         0              Normal
  12/31/2025 12 PM PST            3.98             63         +              Normal
  12/31/2025 01 PM PST            3.99             64         +              Normal
  12/31/2025 02 PM PST            4.02             66         +              Normal
  12/31/2025 03 PM PST            4.03             67         +              Normal
  12/31/2025 04 PM PST            4.05             69         +              Normal
  12/31/2025 05 PM PST            4.12             75         +              Normal
  12/31/2025 06 PM PST            4.19             81         +              Normal
  12/31/2025 07 PM PST            4.19             81         0              Normal
  12/31/2025 08 PM PST            4.26             88         +              Normal
  12/31/2025 09 PM PST            4.23             85         -              Normal
  12/31/2025 10 PM PST            4.23             85         0              Normal
  12/31/2025 11 PM PST            4.25             87         +              Normal
  01/01/2026 12 AM PST            4.39            101         +              Normal
  01/01/2026 01 AM PST            4.53            116         +              Normal
  01/01/2026 02 AM PST            4.60            124         +              Normal
  01/01/2026 03 AM PST            4.75            144         +              Normal
  01/01/2026 04 AM PST            4.91            165         +              Normal
  01/01/2026 05 AM PST            5.02            180         +              Normal
  01/01/2026 06 AM PST            5.26            216         +              Normal
  01/01/2026 07 AM PST            5.37            234         +              Normal
  01/01/2026 08 AM PST            5.51            257         +              Normal
  01/01/2026 09 AM PST            5.80            311         +              Normal
  01/01/2026 10 AM PST            6.08            372         +              Normal
  01/01/2026 11 AM PST            6.19            399         +              Normal
  01/01/2026 12 PM PST            6.22            407         +              Normal
  01/01/2026 01 PM PST            6.27            420         +              Normal
  01/01/2026 02 PM PST            6.28            423         +              Normal
  01/01/2026 03 PM PST            6.29            426         +              Normal
  01/01/2026 04 PM PST            6.31            431         +              Normal
  01/01/2026 05 PM PST            6.27            420         -              Normal
  01/01/2026 06 PM PST            6.21            405         -              Normal
  01/01/2026 07 PM PST            6.28            423         +              Normal
  01/01/2026 08 PM PST            6.42            461         +              Normal
  01/01/2026 09 PM PST            6.63            521         +              Normal
  01/01/2026 10 PM PST            6.75            558         +              Normal
  01/01/2026 11 PM PST            6.74            555         -              Normal
  01/02/2026 12 AM PST            6.79            570         +              Normal
  01/02/2026 01 AM PST            6.89            602         +              Normal
  01/02/2026 02 AM PST            6.88            599         -              Normal
  01/02/2026 03 AM PST            6.84            586         -              Normal
  01/02/2026 04 AM PST            6.79            570         -              Normal
  01/02/2026 05 AM PST            6.71            546         -              Normal
  01/02/2026 06 AM PST            6.64            524         -              Normal
  01/02/2026 07 AM PST            6.55            498         -              Normal
  01/02/2026 08 AM PST            6.45            469         -              Normal
  01/02/2026 09 AM PST            6.36            444         -              Normal
  01/02/2026 10 AM PST            6.27            420         -              Normal
  01/02/2026 11 AM PST            6.18            397         -              Normal
  01/02/2026 12 PM PST            6.10            377         -              Normal
  01/02/2026 01 PM PST            6.01            355         -              Normal
  01/02/2026 02 PM PST            5.93            338         -              Normal
  01/02/2026 03 PM PST            5.86            323         -              Normal
  01/02/2026 04 PM PST            5.80            311         -              Normal
  01/02/2026 05 PM PST            5.74            300         -              Normal
  01/02/2026 06 PM PST            5.74            300         0              Normal
  01/02/2026 07 PM PST            5.96            344         +              Normal
  01/02/2026 08 PM PST            6.12            382         +              Normal
  01/02/2026 09 PM PST            6.41            458         +              Normal
  01/02/2026 10 PM PST            6.71            546         +              Normal
  01/02/2026 11 PM PST            6.82            580         +              Normal
  01/03/2026 12 AM PST            7.15            690         +              Normal
  01/03/2026 01 AM PST            7.68            889         +              Normal
  01/03/2026 02 AM PST            7.97           1006         +              Normal
  01/03/2026 03 AM PST            8.02           1024         +              Normal
  01/03/2026 04 AM PST            8.00           1017         -              Normal
  01/03/2026 05 AM PST            7.93            991         -              Normal
  01/03/2026 06 AM PST            7.77            926         -              Normal
  01/03/2026 07 AM PST            7.59            853         -              Normal
  01/03/2026 08 AM PST            7.38            773         -              Normal
  01/03/2026 09 AM PST            7.22            714         -              Normal
  01/03/2026 10 AM PST            7.06            659         -              Normal
  01/03/2026 11 AM PST            6.93            615         -              Normal
  01/03/2026 12 PM PST            6.88            599         -              Normal
  01/03/2026 01 PM PST            7.13            683         +              Normal
  01/03/2026 02 PM PST            7.27            732         +              Normal
  01/03/2026 03 PM PST            7.31            747         +              Normal
  01/03/2026 04 PM PST            7.51            822         +              Normal
  01/03/2026 05 PM PST            7.64            873         +              Normal
  01/03/2026 06 PM PST            7.68            889         +              Normal
  01/03/2026 07 PM PST            7.60            857         -              Normal
  01/03/2026 08 PM PST            7.48            810         -              Normal
  01/03/2026 09 PM PST            7.34            758         -              Normal
  01/03/2026 10 PM PST            7.20            707         -              Normal
  01/03/2026 11 PM PST            7.08            665         -              Normal
  01/04/2026 12 AM PST            6.98            632         -              Normal
  01/04/2026 01 AM PST            6.89            602         -              Normal
  01/04/2026 02 AM PST            6.97            628         +              Normal
  01/04/2026 03 AM PST            7.17            697         +              Normal
  01/04/2026 04 AM PST            7.79            934         +              Normal
  01/04/2026 05 AM PST            8.16           1077         +              Normal
  01/04/2026 06 AM PST            8.75           1316         +              Normal
  01/04/2026 07 AM PST            9.40           1611         +              Normal
  01/04/2026 08 AM PST            9.76           1789         +              Normal
  01/04/2026 09 AM PST           10.16           1999         +              Normal
  01/04/2026 10 AM PST           10.52           2199         +              Normal
  01/04/2026 11 AM PST           10.75           2332         +              Normal
  01/04/2026 12 PM PST           10.54           2211         -              Normal
  01/04/2026 01 PM PST           10.18           2010         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  01/04/2026 02 PM PST           10.09           1961                        Normal
  01/04/2026 03 PM PST           10.11           1972         +              Normal
  01/04/2026 04 PM PST           10.12           1977         +              Normal
  01/04/2026 05 PM PST           10.08           1956         -              Normal
  01/04/2026 06 PM PST            9.98           1902         -              Normal
  01/04/2026 07 PM PST            9.86           1840         -              Normal
  01/04/2026 08 PM PST            9.58           1698         -              Normal
  01/04/2026 09 PM PST            9.30           1563         -              Normal
  01/04/2026 10 PM PST            9.02           1434         -              Normal
  01/04/2026 11 PM PST            8.73           1307         -              Normal
  01/05/2026 12 AM PST            8.46           1195         -              Normal
  01/05/2026 01 AM PST            8.22           1100         -              Normal
  01/05/2026 02 AM PST            8.01           1021         -              Normal
  01/05/2026 03 AM PST            7.86            963         -              Normal
  01/05/2026 04 AM PST            7.75            918         -              Normal
  01/05/2026 05 AM PST            7.63            869         -              Normal
  01/05/2026 06 AM PST            7.53            830         -              Normal
  01/05/2026 07 AM PST            7.43            791         -              Normal
  01/05/2026 08 AM PST            7.35            761         -              Normal
  01/05/2026 09 AM PST            7.31            747         -              Normal
  01/05/2026 10 AM PST            7.58            849         +              Normal
  01/05/2026 11 AM PST            8.20           1092         +              Normal
  01/05/2026 12 PM PST            8.82           1346         +              Normal
  01/05/2026 01 PM PST            9.16           1498         +              Normal
  01/05/2026 02 PM PST            9.27           1549         +              Normal
  01/05/2026 03 PM PST            9.25           1540         -              Normal
  01/05/2026 04 PM PST            9.20           1516         -              Normal
  01/05/2026 05 PM PST            9.14           1489         -              Normal
  01/05/2026 06 PM PST            9.11           1475         -              Normal
  01/05/2026 07 PM PST            9.13           1484         +              Normal
  01/05/2026 08 PM PST            9.24           1535         +              Normal
  01/05/2026 09 PM PST            9.40           1611         +              Normal
  01/05/2026 10 PM PST            9.53           1674         +              Normal
  01/05/2026 11 PM PST            9.57           1693         +              Normal
  01/06/2026 12 AM PST            9.49           1654         -              Normal
  01/06/2026 01 AM PST            9.31           1568         -              Normal
  01/06/2026 02 AM PST            9.06           1452         -              Normal
  01/06/2026 03 AM PST            8.79           1333         -              Normal
  01/06/2026 04 AM PST            8.52           1219         -              Normal
  01/06/2026 05 AM PST            8.29           1127         -              Normal
  01/06/2026 06 AM PST            8.09           1050         -              Normal
  01/06/2026 07 AM PST            7.94            995         -              Normal
  01/06/2026 08 AM PST            7.83            951         -              Normal
  01/06/2026 09 AM PST            7.74            913         -              Normal
  01/06/2026 10 AM PST            7.64            873         -              Normal
  01/06/2026 11 AM PST            7.55            837         -              Normal
  01/06/2026 12 PM PST            7.46            803         -              Normal
  01/06/2026 01 PM PST            7.38            773         -              Normal
  01/06/2026 02 PM PST            7.31            747         -              Normal
  01/06/2026 03 PM PST            7.24            721         -              Normal
  01/06/2026 04 PM PST            7.18            700         -              Normal
  01/06/2026 05 PM PST            7.12            679         -              Normal
  01/06/2026 06 PM PST            7.07            662         -              Normal
  01/06/2026 07 PM PST            7.02            645         -              Normal
  01/06/2026 08 PM PST            6.97            628         -              Normal
  01/06/2026 09 PM PST            6.92            612         -              Normal
  01/06/2026 10 PM PST            6.88            599         -              Normal
  01/06/2026 11 PM PST            6.83            583         -              Normal
  01/07/2026 12 AM PST            6.79            570         -              Normal
  01/07/2026 01 AM PST            6.75            558         -              Normal
  01/07/2026 02 AM PST            6.71            546         -              Normal
  01/07/2026 03 AM PST            6.67            533         -              Normal
  01/07/2026 04 AM PST            6.63            521         -              Normal
  01/07/2026 05 AM PST            6.59            510         -              Normal
  01/07/2026 06 AM PST            6.55            498         -              Normal
  01/07/2026 07 AM PST            6.51            486         -              Normal
  01/07/2026 08 AM PST            6.48            478         -              Normal
  01/07/2026 09 AM PST            6.44            466         -              Normal
  01/07/2026 10 AM PST            6.41            458         -              Normal
  01/07/2026 11 AM PST            6.37            447         -              Normal
  01/07/2026 12 PM PST            6.34            439         -              Normal
  01/07/2026 01 PM PST            6.31            431         -              Normal
  01/07/2026 02 PM PST            6.28            423         -              Normal
  01/07/2026 03 PM PST            6.25            415         -              Normal
  01/07/2026 04 PM PST            6.22            407         -              Normal
  01/07/2026 05 PM PST            6.19            399         -              Normal
  01/07/2026 06 PM PST            6.16            392         -              Normal
  01/07/2026 07 PM PST            6.13            384         -              Normal
  01/07/2026 08 PM PST            6.10            377         -              Normal
  01/07/2026 09 PM PST            6.08            372         -              Normal
  01/07/2026 10 PM PST            6.05            364         -              Normal
  01/07/2026 11 PM PST            6.03            360         -              Normal
  01/08/2026 12 AM PST            6.00            352         -              Normal
  01/08/2026 01 AM PST            5.98            348         -              Normal
  01/08/2026 02 AM PST            5.95            342         -              Normal
  01/08/2026 03 AM PST            5.93            338         -              Normal
  01/08/2026 04 AM PST            5.90            332         -              Normal
  01/08/2026 05 AM PST            5.88            328         -              Normal
  01/08/2026 06 AM PST            5.85            321         -              Normal
  01/08/2026 07 AM PST            5.83            317         -              Normal
  01/08/2026 08 AM PST            5.81            313         -              Normal
  01/08/2026 09 AM PST            5.79            309         -              Normal
  01/08/2026 10 AM PST            5.76            304         -              Normal
  01/08/2026 11 AM PST            5.75            302         -              Normal
  01/08/2026 12 PM PST            5.72            296         -              Normal
  01/08/2026 01 PM PST            5.71            294         -              Normal
  01/08/2026 02 PM PST            5.69            290         -              Normal
  01/08/2026 03 PM PST            5.67            286         -              Normal
  01/08/2026 04 PM PST            5.65            283         -              Normal
  01/08/2026 05 PM PST            5.63            279         -              Normal
  01/08/2026 06 PM PST            5.62            277         -              Normal
  01/08/2026 07 PM PST            5.60            273         -              Normal
  01/08/2026 08 PM PST            5.58            270         -              Normal
  01/08/2026 09 PM PST            5.57            268         -              Normal
  01/08/2026 10 PM PST            5.55            264         -              Normal
  01/08/2026 11 PM PST            5.54            262         -              Normal
  01/09/2026 12 AM PST            5.52            259         -              Normal
  01/09/2026 01 AM PST            5.51            257         -              Normal
  01/09/2026 02 AM PST            5.49            254         -              Normal
  01/09/2026 03 AM PST            5.48            252         -              Normal
  01/09/2026 04 AM PST            5.46            248         -              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.