SOUTH FORK GUALALA RIVER - SEA RANCH (GSRC1)
Latitude: 38.71º NLongitude: 123.43º WElevation: 40 Feet
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Nov 15 2025 at 7:53 AM PSTNext Issuance: Nov 16 2025 at 9:00 AM PST
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: South Fork Gualala River - Sea Ranch (GSRC1)
#
# File Generation Time:  11/15/2025 at 07:54 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/13/2025 at 02:00 PM PST
# Maximum Observed Stage:                       11.17 Feet
# Maximum Observed Flow:                        2317 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/17/2025 at 08:00 AM PST
# Maximum Forecast Stage:                       10.51 Feet
# Maximum Forecast Flow:                        1978 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/10/2025 07 AM PST            4.91             14                Not Applicable
  11/10/2025 08 AM PST            4.91             14         0      Not Applicable
  11/10/2025 09 AM PST            4.91             14         0      Not Applicable
  11/10/2025 10 AM PST            4.91             14         0      Not Applicable
  11/10/2025 11 AM PST            4.90             14         -      Not Applicable
  11/10/2025 12 PM PST            4.90             14         0      Not Applicable
  11/10/2025 01 PM PST            4.90             14         0      Not Applicable
  11/10/2025 02 PM PST            4.89             14         -      Not Applicable
  11/10/2025 03 PM PST            4.88             13         -      Not Applicable
  11/10/2025 04 PM PST            4.88             13         0      Not Applicable
  11/10/2025 05 PM PST            4.88             13         0      Not Applicable
  11/10/2025 06 PM PST            4.88             13         0      Not Applicable
  11/10/2025 07 PM PST            4.89             14         +      Not Applicable
  11/10/2025 08 PM PST            4.88             13         -      Not Applicable
  11/10/2025 09 PM PST            4.88             13         0      Not Applicable
  11/10/2025 10 PM PST            4.88             13         0      Not Applicable
  11/10/2025 11 PM PST            4.88             13         0      Not Applicable
  11/11/2025 12 AM PST            4.88             13         0      Not Applicable
  11/11/2025 01 AM PST            4.88             13         0      Not Applicable
  11/11/2025 02 AM PST            4.87             13         -      Not Applicable
  11/11/2025 03 AM PST            4.87             13         0      Not Applicable
  11/11/2025 04 AM PST            4.87             13         0      Not Applicable
  11/11/2025 05 AM PST            4.87             13         0      Not Applicable
  11/11/2025 06 AM PST            4.86             12         -      Not Applicable
  11/11/2025 07 AM PST            4.86             12         0      Not Applicable
  11/11/2025 08 AM PST            4.86             12         0      Not Applicable
  11/11/2025 09 AM PST            4.86             12         0      Not Applicable
  11/11/2025 10 AM PST            4.85             12         -      Not Applicable
  11/11/2025 11 AM PST            4.84             12         -      Not Applicable
  11/11/2025 12 PM PST            4.83             11         -      Not Applicable
  11/11/2025 01 PM PST            4.84             12         +      Not Applicable
  11/11/2025 02 PM PST            4.84             12         0      Not Applicable
  11/11/2025 03 PM PST            4.84             12         0      Not Applicable
  11/11/2025 04 PM PST            4.84             12         0      Not Applicable
  11/11/2025 05 PM PST            4.84             12         0      Not Applicable
  11/11/2025 06 PM PST            4.84             12         0      Not Applicable
  11/11/2025 07 PM PST            4.84             12         0      Not Applicable
  11/11/2025 08 PM PST            4.84             12         0      Not Applicable
  11/11/2025 09 PM PST            4.84             12         0      Not Applicable
  11/11/2025 10 PM PST            4.83             11         -      Not Applicable
  11/11/2025 11 PM PST            4.83             11         0      Not Applicable
  11/12/2025 12 AM PST            4.83             11         0      Not Applicable
  11/12/2025 01 AM PST            4.83             11         0      Not Applicable
  11/12/2025 02 AM PST            4.83             11         0      Not Applicable
  11/12/2025 03 AM PST            4.82             11         -      Not Applicable
  11/12/2025 04 AM PST            4.82             11         0      Not Applicable
  11/12/2025 05 AM PST            4.82             11         0      Not Applicable
  11/12/2025 06 AM PST            4.82             11         0      Not Applicable
  11/12/2025 07 AM PST            4.81             11         -      Not Applicable
  11/12/2025 08 AM PST            4.80             10         -      Not Applicable
  11/12/2025 09 AM PST            4.80             10         0      Not Applicable
  11/12/2025 10 AM PST            4.81             11         +      Not Applicable
  11/12/2025 11 AM PST            4.81             11         0      Not Applicable
  11/12/2025 12 PM PST            4.82             11         +      Not Applicable
  11/12/2025 01 PM PST            4.82             11         0      Not Applicable
  11/12/2025 02 PM PST            4.80             10         -      Not Applicable
  11/12/2025 03 PM PST            4.79             10         -      Not Applicable
  11/12/2025 04 PM PST            4.79             10         0      Not Applicable
  11/12/2025 05 PM PST            4.80             10         +      Not Applicable
  11/12/2025 06 PM PST            4.80             10         0      Not Applicable
  11/12/2025 07 PM PST            4.81             11         +      Not Applicable
  11/12/2025 08 PM PST            4.82             11         +      Not Applicable
  11/12/2025 09 PM PST            4.82             11         0      Not Applicable
  11/12/2025 10 PM PST            4.82             11         0      Not Applicable
  11/12/2025 11 PM PST            4.83             11         +      Not Applicable
  11/13/2025 12 AM PST            4.85             12         +      Not Applicable
  11/13/2025 01 AM PST            4.87             13         +      Not Applicable
  11/13/2025 02 AM PST            4.89             14         +      Not Applicable
  11/13/2025 03 AM PST            4.96             17         +      Not Applicable
  11/13/2025 04 AM PST            5.00             18         +      Not Applicable
  11/13/2025 05 AM PST            5.09             23         +      Not Applicable
  11/13/2025 06 AM PST            5.20             30         +      Not Applicable
  11/13/2025 07 AM PST            5.31             38         +      Not Applicable
  11/13/2025 08 AM PST            5.41             46         +      Not Applicable
  11/13/2025 09 AM PST            5.52             56         +      Not Applicable
  11/13/2025 10 AM PST            5.77             84         +      Not Applicable
  11/13/2025 11 AM PST            6.63            249         +      Not Applicable
  11/13/2025 12 PM PST            7.40            505         +      Not Applicable
  11/13/2025 01 PM PST           10.25           1851         +      Not Applicable
  11/13/2025 02 PM PST           11.17           2317         +      Not Applicable
  11/13/2025 03 PM PST           10.94           2196         -      Not Applicable
  11/13/2025 04 PM PST           10.32           1885         -      Not Applicable
  11/13/2025 05 PM PST            9.69           1587         -      Not Applicable
  11/13/2025 06 PM PST            9.22           1379         -      Not Applicable
  11/13/2025 07 PM PST            8.82           1204         -      Not Applicable
  11/13/2025 08 PM PST            8.51           1063         -      Not Applicable
  11/13/2025 09 PM PST            8.22            914         -      Not Applicable
  11/13/2025 10 PM PST            7.98            780         -      Not Applicable
  11/13/2025 11 PM PST            7.79            681         -      Not Applicable
  11/14/2025 12 AM PST            7.61            595         -      Not Applicable
  11/14/2025 01 AM PST            7.48            538         -      Not Applicable
  11/14/2025 02 AM PST            7.36            488         -      Not Applicable
  11/14/2025 03 AM PST            7.26            449         -      Not Applicable
  11/14/2025 04 AM PST            7.17            416         -      Not Applicable
  11/14/2025 05 AM PST            7.09            388         -      Not Applicable
  11/14/2025 06 AM PST            7.02            364         -      Not Applicable
  11/14/2025 07 AM PST            6.96            344         -      Not Applicable
  11/14/2025 08 AM PST            6.90            325         -      Not Applicable
  11/14/2025 09 AM PST            6.85            310         -      Not Applicable
  11/14/2025 10 AM PST            6.79            293         -      Not Applicable
  11/14/2025 11 AM PST            6.75            281         -      Not Applicable
  11/14/2025 12 PM PST            6.70            267         -      Not Applicable
  11/14/2025 01 PM PST            6.66            257         -      Not Applicable
  11/14/2025 02 PM PST            6.61            244         -      Not Applicable
  11/14/2025 03 PM PST            6.57            233         -      Not Applicable
  11/14/2025 04 PM PST            6.52            221         -      Not Applicable
  11/14/2025 05 PM PST            6.48            212         -      Not Applicable
  11/14/2025 06 PM PST            6.44            202         -      Not Applicable
  11/14/2025 07 PM PST            6.40            194         -      Not Applicable
  11/14/2025 08 PM PST            6.37            187         -      Not Applicable
  11/14/2025 09 PM PST            6.33            178         -      Not Applicable
  11/14/2025 10 PM PST            6.30            172         -      Not Applicable
  11/14/2025 11 PM PST            6.26            164         -      Not Applicable
  11/15/2025 12 AM PST            6.23            158         -      Not Applicable
  11/15/2025 01 AM PST            6.20            153         -      Not Applicable
  11/15/2025 02 AM PST            6.17            147         -      Not Applicable
  11/15/2025 03 AM PST            6.14            141         -      Not Applicable
  11/15/2025 04 AM PST            6.12            138         -      Not Applicable
  11/15/2025 05 AM PST            6.09            133         -      Not Applicable
  11/15/2025 06 AM PST            6.05            126         -      Not Applicable
  11/15/2025 07 AM PST            6.00            118         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/15/2025 08 AM PST            5.96            111                Not Applicable
  11/15/2025 09 AM PST            5.92            105         -      Not Applicable
  11/15/2025 10 AM PST            5.88             99         -      Not Applicable
  11/15/2025 11 AM PST            5.83             92         -      Not Applicable
  11/15/2025 12 PM PST            5.79             87         -      Not Applicable
  11/15/2025 01 PM PST            5.74             81         -      Not Applicable
  11/15/2025 02 PM PST            5.69             75         -      Not Applicable
  11/15/2025 03 PM PST            5.64             69         -      Not Applicable
  11/15/2025 04 PM PST            5.59             63         -      Not Applicable
  11/15/2025 05 PM PST            5.53             57         -      Not Applicable
  11/15/2025 06 PM PST            5.53             57         0      Not Applicable
  11/15/2025 07 PM PST            5.52             56         -      Not Applicable
  11/15/2025 08 PM PST            5.52             56         0      Not Applicable
  11/15/2025 09 PM PST            5.51             55         -      Not Applicable
  11/15/2025 10 PM PST            5.51             55         0      Not Applicable
  11/15/2025 11 PM PST            5.50             54         -      Not Applicable
  11/16/2025 12 AM PST            5.50             54         0      Not Applicable
  11/16/2025 01 AM PST            5.49             53         -      Not Applicable
  11/16/2025 02 AM PST            5.49             53         0      Not Applicable
  11/16/2025 03 AM PST            5.49             53         0      Not Applicable
  11/16/2025 04 AM PST            5.48             52         -      Not Applicable
  11/16/2025 05 AM PST            5.48             52         0      Not Applicable
  11/16/2025 06 AM PST            5.48             52         0      Not Applicable
  11/16/2025 07 AM PST            5.48             52         0      Not Applicable
  11/16/2025 08 AM PST            5.48             52         0      Not Applicable
  11/16/2025 09 AM PST            5.49             53         +      Not Applicable
  11/16/2025 10 AM PST            5.49             53         0      Not Applicable
  11/16/2025 11 AM PST            5.49             53         0      Not Applicable
  11/16/2025 12 PM PST            5.50             54         +      Not Applicable
  11/16/2025 01 PM PST            5.50             54         0      Not Applicable
  11/16/2025 02 PM PST            5.50             54         0      Not Applicable
  11/16/2025 03 PM PST            5.51             55         +      Not Applicable
  11/16/2025 04 PM PST            5.54             58         +      Not Applicable
  11/16/2025 05 PM PST            5.61             65         +      Not Applicable
  11/16/2025 06 PM PST            5.72             78         +      Not Applicable
  11/16/2025 07 PM PST            5.87             98         +      Not Applicable
  11/16/2025 08 PM PST            6.05            126         +      Not Applicable
  11/16/2025 09 PM PST            6.32            176         +      Not Applicable
  11/16/2025 10 PM PST            6.74            278         +      Not Applicable
  11/16/2025 11 PM PST            7.25            445         +      Not Applicable
  11/17/2025 12 AM PST            7.79            681         +      Not Applicable
  11/17/2025 01 AM PST            8.27            939         +      Not Applicable
  11/17/2025 02 AM PST            8.83           1208         +      Not Applicable
  11/17/2025 03 AM PST            9.37           1444         +      Not Applicable
  11/17/2025 04 AM PST            9.84           1656         +      Not Applicable
  11/17/2025 05 AM PST           10.17           1812         +      Not Applicable
  11/17/2025 06 AM PST           10.38           1914         +      Not Applicable
  11/17/2025 07 AM PST           10.49           1968         +      Not Applicable
  11/17/2025 08 AM PST           10.51           1978         +      Not Applicable
  11/17/2025 09 AM PST           10.44           1944         -      Not Applicable
  11/17/2025 10 AM PST           10.27           1860         -      Not Applicable
  11/17/2025 11 AM PST           10.01           1736         -      Not Applicable
  11/17/2025 12 PM PST            9.69           1587         -      Not Applicable
  11/17/2025 01 PM PST            9.37           1444         -      Not Applicable
  11/17/2025 02 PM PST            9.07           1315         -      Not Applicable
  11/17/2025 03 PM PST            8.80           1194         -      Not Applicable
  11/17/2025 04 PM PST            8.55           1081         -      Not Applicable
  11/17/2025 05 PM PST            8.35            981         -      Not Applicable
  11/17/2025 06 PM PST            8.18            894         -      Not Applicable
  11/17/2025 07 PM PST            8.03            808         -      Not Applicable
  11/17/2025 08 PM PST            7.88            727         -      Not Applicable
  11/17/2025 09 PM PST            7.74            657         -      Not Applicable
  11/17/2025 10 PM PST            7.60            591         -      Not Applicable
  11/17/2025 11 PM PST            7.46            530         -      Not Applicable
  11/18/2025 12 AM PST            7.35            484         -      Not Applicable
  11/18/2025 01 AM PST            7.25            445         -      Not Applicable
  11/18/2025 02 AM PST            7.16            412         -      Not Applicable
  11/18/2025 03 AM PST            7.06            377         -      Not Applicable
  11/18/2025 04 AM PST            6.96            344         -      Not Applicable
  11/18/2025 05 AM PST            6.87            316         -      Not Applicable
  11/18/2025 06 AM PST            6.78            290         -      Not Applicable
  11/18/2025 07 AM PST            6.70            267         -      Not Applicable
  11/18/2025 08 AM PST            6.63            249         -      Not Applicable
  11/18/2025 09 AM PST            6.57            233         -      Not Applicable
  11/18/2025 10 AM PST            6.52            221         -      Not Applicable
  11/18/2025 11 AM PST            6.48            212         -      Not Applicable
  11/18/2025 12 PM PST            6.44            202         -      Not Applicable
  11/18/2025 01 PM PST            6.40            194         -      Not Applicable
  11/18/2025 02 PM PST            6.37            187         -      Not Applicable
  11/18/2025 03 PM PST            6.34            181         -      Not Applicable
  11/18/2025 04 PM PST            6.32            176         -      Not Applicable
  11/18/2025 05 PM PST            6.29            170         -      Not Applicable
  11/18/2025 06 PM PST            6.27            166         -      Not Applicable
  11/18/2025 07 PM PST            6.25            162         -      Not Applicable
  11/18/2025 08 PM PST            6.24            160         -      Not Applicable
  11/18/2025 09 PM PST            6.22            156         -      Not Applicable
  11/18/2025 10 PM PST            6.21            154         -      Not Applicable
  11/18/2025 11 PM PST            6.20            153         -      Not Applicable
  11/19/2025 12 AM PST            6.19            151         -      Not Applicable
  11/19/2025 01 AM PST            6.18            149         -      Not Applicable
  11/19/2025 02 AM PST            6.17            147         -      Not Applicable
  11/19/2025 03 AM PST            6.16            145         -      Not Applicable
  11/19/2025 04 AM PST            6.15            143         -      Not Applicable
  11/19/2025 05 AM PST            6.14            141         -      Not Applicable
  11/19/2025 06 AM PST            6.13            140         -      Not Applicable
  11/19/2025 07 AM PST            6.13            140         0      Not Applicable
  11/19/2025 08 AM PST            6.12            138         -      Not Applicable
  11/19/2025 09 AM PST            6.11            136         -      Not Applicable
  11/19/2025 10 AM PST            6.11            136         0      Not Applicable
  11/19/2025 11 AM PST            6.10            134         -      Not Applicable
  11/19/2025 12 PM PST            6.09            133         -      Not Applicable
  11/19/2025 01 PM PST            6.09            133         0      Not Applicable
  11/19/2025 02 PM PST            6.08            131         -      Not Applicable
  11/19/2025 03 PM PST            6.08            131         0      Not Applicable
  11/19/2025 04 PM PST            6.07            129         -      Not Applicable
  11/19/2025 05 PM PST            6.07            129         0      Not Applicable
  11/19/2025 06 PM PST            6.06            128         -      Not Applicable
  11/19/2025 07 PM PST            6.06            128         0      Not Applicable
  11/19/2025 08 PM PST            6.05            126         -      Not Applicable
  11/19/2025 09 PM PST            6.05            126         0      Not Applicable
  11/19/2025 10 PM PST            6.04            124         -      Not Applicable
  11/19/2025 11 PM PST            6.04            124         0      Not Applicable
  11/20/2025 12 AM PST            6.04            124         0      Not Applicable
  11/20/2025 01 AM PST            6.03            123         -      Not Applicable
  11/20/2025 02 AM PST            6.03            123         0      Not Applicable
  11/20/2025 03 AM PST            6.04            124         +      Not Applicable
  11/20/2025 04 AM PST            6.07            129         +      Not Applicable
#
# 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.