SOUTH FORK GUALALA RIVER - SEA RANCH (GSRC1)
Latitude: 38.71º NLongitude: 123.43º WElevation: 40 FeetForecast Type: Unofficial Location
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Nov 11 2026 at 7:32 AM PSTNext Issuance: Nov 12 2026 at 9:00 AM PST
Action: 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:  11/11/2026 at 07:33 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/07/2026 at 10:00 AM PST
# Maximum Observed Stage:                       4.62 Feet
# Maximum Observed Flow:                        2 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/16/2026 at 04:00 AM PST
# Maximum Forecast Stage:                       5.57 Feet
# Maximum Forecast Flow:                        81 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/06/2026 07 AM PST            4.62              2                Not Applicable
  11/06/2026 08 AM PST            4.61              2         -      Not Applicable
  11/06/2026 09 AM PST            4.62              2         +      Not Applicable
  11/06/2026 10 AM PST            4.62              2         0      Not Applicable
  11/06/2026 11 AM PST            4.62              2         0      Not Applicable
  11/06/2026 12 PM PST            4.62              2         0      Not Applicable
  11/06/2026 01 PM PST            4.62              2         0      Not Applicable
  11/06/2026 02 PM PST            4.62              2         0      Not Applicable
  11/06/2026 03 PM PST            4.62              2         0      Not Applicable
  11/06/2026 04 PM PST            4.62              2         0      Not Applicable
  11/06/2026 05 PM PST            4.62              2         0      Not Applicable
  11/06/2026 06 PM PST            4.62              2         0      Not Applicable
  11/06/2026 07 PM PST            4.62              2         0      Not Applicable
  11/06/2026 08 PM PST            4.62              2         0      Not Applicable
  11/06/2026 09 PM PST            4.62              2         0      Not Applicable
  11/06/2026 10 PM PST            4.62              2         0      Not Applicable
  11/06/2026 11 PM PST            4.62              2         0      Not Applicable
  11/07/2026 12 AM PST            4.62              2         0      Not Applicable
  11/07/2026 01 AM PST            4.62              2         0      Not Applicable
  11/07/2026 02 AM PST            4.62              2         0      Not Applicable
  11/07/2026 03 AM PST            4.62              2         0      Not Applicable
  11/07/2026 04 AM PST            4.62              2         0      Not Applicable
  11/07/2026 05 AM PST            4.62              2         0      Not Applicable
  11/07/2026 06 AM PST            4.62              2         0      Not Applicable
  11/07/2026 07 AM PST            4.62              2         0      Not Applicable
  11/07/2026 08 AM PST            4.62              2         0      Not Applicable
  11/07/2026 09 AM PST            4.62              2         0      Not Applicable
  11/07/2026 10 AM PST            4.62              2         0      Not Applicable
  11/07/2026 11 AM PST            4.61              2         -      Not Applicable
  11/07/2026 12 PM PST            4.61              2         0      Not Applicable
  11/07/2026 01 PM PST            4.61              2         0      Not Applicable
  11/07/2026 02 PM PST            4.61              2         0      Not Applicable
  11/07/2026 03 PM PST            4.61              2         0      Not Applicable
  11/07/2026 04 PM PST            4.61              2         0      Not Applicable
  11/07/2026 05 PM PST            4.61              2         0      Not Applicable
  11/07/2026 06 PM PST            4.61              2         0      Not Applicable
  11/07/2026 07 PM PST            4.61              2         0      Not Applicable
  11/07/2026 08 PM PST            4.61              2         0      Not Applicable
  11/07/2026 09 PM PST            4.61              2         0      Not Applicable
  11/07/2026 10 PM PST            4.61              2         0      Not Applicable
  11/07/2026 11 PM PST            4.61              2         0      Not Applicable
  11/08/2026 12 AM PST            4.61              2         0      Not Applicable
  11/08/2026 01 AM PST            4.61              2         0      Not Applicable
  11/08/2026 02 AM PST            4.61              2         0      Not Applicable
  11/08/2026 03 AM PST            4.61              2         0      Not Applicable
  11/08/2026 04 AM PST            4.61              2         0      Not Applicable
  11/08/2026 05 AM PST            4.61              2         0      Not Applicable
  11/08/2026 06 AM PST            4.61              2         0      Not Applicable
  11/08/2026 07 AM PST            4.61              2         0      Not Applicable
  11/08/2026 08 AM PST            4.61              2         0      Not Applicable
  11/08/2026 09 AM PST            4.60              2         -      Not Applicable
  11/08/2026 10 AM PST            4.60              2         0      Not Applicable
  11/08/2026 11 AM PST            4.60              2         0      Not Applicable
  11/08/2026 12 PM PST            4.60              2         0      Not Applicable
  11/08/2026 01 PM PST            4.60              2         0      Not Applicable
  11/08/2026 02 PM PST            4.60              2         0      Not Applicable
  11/08/2026 03 PM PST            4.60              2         0      Not Applicable
  11/08/2026 04 PM PST            4.60              2         0      Not Applicable
  11/08/2026 05 PM PST            4.60              2         0      Not Applicable
  11/08/2026 06 PM PST            4.60              2         0      Not Applicable
  11/08/2026 07 PM PST            4.60              2         0      Not Applicable
  11/08/2026 08 PM PST            4.60              2         0      Not Applicable
  11/08/2026 09 PM PST            4.60              2         0      Not Applicable
  11/08/2026 10 PM PST            4.60              2         0      Not Applicable
  11/08/2026 11 PM PST            4.60              2         0      Not Applicable
  11/09/2026 12 AM PST            4.60              2         0      Not Applicable
  11/09/2026 01 AM PST            4.60              2         0      Not Applicable
  11/09/2026 02 AM PST            4.60              2         0      Not Applicable
  11/09/2026 03 AM PST            4.60              2         0      Not Applicable
  11/09/2026 04 AM PST            4.60              2         0      Not Applicable
  11/09/2026 05 AM PST            4.60              2         0      Not Applicable
  11/09/2026 06 AM PST            4.60              2         0      Not Applicable
  11/09/2026 07 AM PST            4.60              2         0      Not Applicable
  11/09/2026 08 AM PST            4.59              1         -      Not Applicable
  11/09/2026 09 AM PST            4.60              2         +      Not Applicable
  11/09/2026 10 AM PST            4.59              1         -      Not Applicable
  11/09/2026 11 AM PST            4.59              1         0      Not Applicable
  11/09/2026 12 PM PST            4.59              1         0      Not Applicable
  11/09/2026 01 PM PST            4.59              1         0      Not Applicable
  11/09/2026 02 PM PST            4.59              1         0      Not Applicable
  11/09/2026 03 PM PST            4.59              1         0      Not Applicable
  11/09/2026 04 PM PST            4.59              1         0      Not Applicable
  11/09/2026 05 PM PST            4.59              1         0      Not Applicable
  11/09/2026 06 PM PST            4.59              1         0      Not Applicable
  11/09/2026 07 PM PST            4.59              1         0      Not Applicable
  11/09/2026 08 PM PST            4.59              1         0      Not Applicable
  11/09/2026 09 PM PST            4.59              1         0      Not Applicable
  11/09/2026 10 PM PST            4.59              1         0      Not Applicable
  11/09/2026 11 PM PST            4.59              1         0      Not Applicable
  11/10/2026 12 AM PST            4.59              1         0      Not Applicable
  11/10/2026 01 AM PST            4.59              1         0      Not Applicable
  11/10/2026 02 AM PST            4.59              1         0      Not Applicable
  11/10/2026 03 AM PST            4.59              1         0      Not Applicable
  11/10/2026 04 AM PST            4.59              1         0      Not Applicable
  11/10/2026 05 AM PST            4.59              1         0      Not Applicable
  11/10/2026 06 AM PST            4.59              1         0      Not Applicable
  11/10/2026 07 AM PST            4.59              1         0      Not Applicable
  11/10/2026 08 AM PST            4.59              1         0      Not Applicable
  11/10/2026 09 AM PST            4.59              1         0      Not Applicable
  11/10/2026 10 AM PST            4.59              1         0      Not Applicable
  11/10/2026 11 AM PST            4.59              1         0      Not Applicable
  11/10/2026 12 PM PST            4.59              1         0      Not Applicable
  11/10/2026 01 PM PST            4.59              1         0      Not Applicable
  11/10/2026 02 PM PST            4.59              1         0      Not Applicable
  11/10/2026 03 PM PST            4.59              1         0      Not Applicable
  11/10/2026 04 PM PST            4.59              1         0      Not Applicable
  11/10/2026 05 PM PST            4.59              1         0      Not Applicable
  11/10/2026 06 PM PST            4.59              1         0      Not Applicable
  11/10/2026 07 PM PST            4.59              1         0      Not Applicable
  11/10/2026 08 PM PST            4.59              1         0      Not Applicable
  11/10/2026 09 PM PST            4.59              1         0      Not Applicable
  11/10/2026 10 PM PST            4.59              1         0      Not Applicable
  11/10/2026 11 PM PST            4.59              1         0      Not Applicable
  11/11/2026 12 AM PST            4.59              1         0      Not Applicable
  11/11/2026 01 AM PST            4.59              1         0      Not Applicable
  11/11/2026 02 AM PST            4.59              1         0      Not Applicable
  11/11/2026 03 AM PST            4.59              1         0      Not Applicable
  11/11/2026 04 AM PST            4.59              1         0      Not Applicable
  11/11/2026 05 AM PST            4.59              1         0      Not Applicable
  11/11/2026 06 AM PST            4.59              1         0      Not Applicable
  11/11/2026 07 AM PST            4.59              1         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/11/2026 08 AM PST            4.59              1                Not Applicable
  11/11/2026 09 AM PST            4.59              1         0      Not Applicable
  11/11/2026 10 AM PST            4.58              1         -      Not Applicable
  11/11/2026 11 AM PST            4.58              1         0      Not Applicable
  11/11/2026 12 PM PST            4.58              1         0      Not Applicable
  11/11/2026 01 PM PST            4.58              1         0      Not Applicable
  11/11/2026 02 PM PST            4.58              1         0      Not Applicable
  11/11/2026 03 PM PST            4.58              1         0      Not Applicable
  11/11/2026 04 PM PST            4.58              1         0      Not Applicable
  11/11/2026 05 PM PST            4.58              1         0      Not Applicable
  11/11/2026 06 PM PST            4.58              1         0      Not Applicable
  11/11/2026 07 PM PST            4.58              1         0      Not Applicable
  11/11/2026 08 PM PST            4.58              1         0      Not Applicable
  11/11/2026 09 PM PST            4.58              1         0      Not Applicable
  11/11/2026 10 PM PST            4.58              1         0      Not Applicable
  11/11/2026 11 PM PST            4.58              1         0      Not Applicable
  11/12/2026 12 AM PST            4.58              1         0      Not Applicable
  11/12/2026 01 AM PST            4.58              1         0      Not Applicable
  11/12/2026 02 AM PST            4.58              1         0      Not Applicable
  11/12/2026 03 AM PST            4.58              1         0      Not Applicable
  11/12/2026 04 AM PST            4.58              1         0      Not Applicable
  11/12/2026 05 AM PST            4.58              1         0      Not Applicable
  11/12/2026 06 AM PST            4.58              1         0      Not Applicable
  11/12/2026 07 AM PST            4.58              1         0      Not Applicable
  11/12/2026 08 AM PST            4.58              1         0      Not Applicable
  11/12/2026 09 AM PST            4.58              1         0      Not Applicable
  11/12/2026 10 AM PST            4.58              1         0      Not Applicable
  11/12/2026 11 AM PST            4.57              1         -      Not Applicable
  11/12/2026 12 PM PST            4.57              1         0      Not Applicable
  11/12/2026 01 PM PST            4.57              1         0      Not Applicable
  11/12/2026 02 PM PST            4.57              1         0      Not Applicable
  11/12/2026 03 PM PST            4.57              1         0      Not Applicable
  11/12/2026 04 PM PST            4.57              1         0      Not Applicable
  11/12/2026 05 PM PST            4.57              1         0      Not Applicable
  11/12/2026 06 PM PST            4.57              1         0      Not Applicable
  11/12/2026 07 PM PST            4.57              1         0      Not Applicable
  11/12/2026 08 PM PST            4.57              1         0      Not Applicable
  11/12/2026 09 PM PST            4.57              1         0      Not Applicable
  11/12/2026 10 PM PST            4.57              1         0      Not Applicable
  11/12/2026 11 PM PST            4.57              1         0      Not Applicable
  11/13/2026 12 AM PST            4.57              1         0      Not Applicable
  11/13/2026 01 AM PST            4.58              1         +      Not Applicable
  11/13/2026 02 AM PST            4.58              1         0      Not Applicable
  11/13/2026 03 AM PST            4.58              1         0      Not Applicable
  11/13/2026 04 AM PST            4.58              1         0      Not Applicable
  11/13/2026 05 AM PST            4.59              1         +      Not Applicable
  11/13/2026 06 AM PST            4.59              1         0      Not Applicable
  11/13/2026 07 AM PST            4.59              1         0      Not Applicable
  11/13/2026 08 AM PST            4.60              2         +      Not Applicable
  11/13/2026 09 AM PST            4.61              2         +      Not Applicable
  11/13/2026 10 AM PST            4.64              2         +      Not Applicable
  11/13/2026 11 AM PST            4.69              3         +      Not Applicable
  11/13/2026 12 PM PST            4.75              5         +      Not Applicable
  11/13/2026 01 PM PST            4.80              7         +      Not Applicable
  11/13/2026 02 PM PST            4.85             10         +      Not Applicable
  11/13/2026 03 PM PST            4.90             14         +      Not Applicable
  11/13/2026 04 PM PST            4.95             17         +      Not Applicable
  11/13/2026 05 PM PST            4.99             21         +      Not Applicable
  11/13/2026 06 PM PST            5.03             24         +      Not Applicable
  11/13/2026 07 PM PST            5.07             29         +      Not Applicable
  11/13/2026 08 PM PST            5.09             31         +      Not Applicable
  11/13/2026 09 PM PST            5.12             34         +      Not Applicable
  11/13/2026 10 PM PST            5.14             36         +      Not Applicable
  11/13/2026 11 PM PST            5.15             38         +      Not Applicable
  11/14/2026 12 AM PST            5.16             39         +      Not Applicable
  11/14/2026 01 AM PST            5.16             39         0      Not Applicable
  11/14/2026 02 AM PST            5.15             38         -      Not Applicable
  11/14/2026 03 AM PST            5.14             36         -      Not Applicable
  11/14/2026 04 AM PST            5.12             34         -      Not Applicable
  11/14/2026 05 AM PST            5.10             32         -      Not Applicable
  11/14/2026 06 AM PST            5.08             30         -      Not Applicable
  11/14/2026 07 AM PST            5.06             28         -      Not Applicable
  11/14/2026 08 AM PST            5.04             25         -      Not Applicable
  11/14/2026 09 AM PST            5.02             24         -      Not Applicable
  11/14/2026 10 AM PST            5.00             22         -      Not Applicable
  11/14/2026 11 AM PST            4.99             21         -      Not Applicable
  11/14/2026 12 PM PST            4.97             19         -      Not Applicable
  11/14/2026 01 PM PST            4.95             17         -      Not Applicable
  11/14/2026 02 PM PST            4.94             17         -      Not Applicable
  11/14/2026 03 PM PST            4.92             15         -      Not Applicable
  11/14/2026 04 PM PST            4.91             14         -      Not Applicable
  11/14/2026 05 PM PST            4.90             14         -      Not Applicable
  11/14/2026 06 PM PST            4.89             13         -      Not Applicable
  11/14/2026 07 PM PST            4.88             12         -      Not Applicable
  11/14/2026 08 PM PST            4.87             12         -      Not Applicable
  11/14/2026 09 PM PST            4.86             11         -      Not Applicable
  11/14/2026 10 PM PST            4.85             10         -      Not Applicable
  11/14/2026 11 PM PST            4.84             10         -      Not Applicable
  11/15/2026 12 AM PST            4.83              9         -      Not Applicable
  11/15/2026 01 AM PST            4.82              9         -      Not Applicable
  11/15/2026 02 AM PST            4.82              9         0      Not Applicable
  11/15/2026 03 AM PST            4.81              8         -      Not Applicable
  11/15/2026 04 AM PST            4.80              7         -      Not Applicable
  11/15/2026 05 AM PST            4.79              7         -      Not Applicable
  11/15/2026 06 AM PST            4.79              7         0      Not Applicable
  11/15/2026 07 AM PST            4.78              6         -      Not Applicable
  11/15/2026 08 AM PST            4.78              6         0      Not Applicable
  11/15/2026 09 AM PST            4.78              6         0      Not Applicable
  11/15/2026 10 AM PST            4.78              6         0      Not Applicable
  11/15/2026 11 AM PST            4.79              7         +      Not Applicable
  11/15/2026 12 PM PST            4.80              7         +      Not Applicable
  11/15/2026 01 PM PST            4.81              8         +      Not Applicable
  11/15/2026 02 PM PST            4.83              9         +      Not Applicable
  11/15/2026 03 PM PST            4.85             10         +      Not Applicable
  11/15/2026 04 PM PST            4.87             12         +      Not Applicable
  11/15/2026 05 PM PST            4.90             14         +      Not Applicable
  11/15/2026 06 PM PST            4.93             16         +      Not Applicable
  11/15/2026 07 PM PST            4.96             18         +      Not Applicable
  11/15/2026 08 PM PST            5.00             22         +      Not Applicable
  11/15/2026 09 PM PST            5.04             25         +      Not Applicable
  11/15/2026 10 PM PST            5.08             30         +      Not Applicable
  11/15/2026 11 PM PST            5.13             35         +      Not Applicable
  11/16/2026 12 AM PST            5.18             41         +      Not Applicable
  11/16/2026 01 AM PST            5.28             51         +      Not Applicable
  11/16/2026 02 AM PST            5.38             61         +      Not Applicable
  11/16/2026 03 AM PST            5.48             71         +      Not Applicable
  11/16/2026 04 AM PST            5.57             81         +      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.