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 02 2026 at 12:52 PM PSTNext Issuance: Nov 03 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:  11/02/2026 at 12:53 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/01/2026 at 01:00 AM PST
# Maximum Observed Stage:                       4.56 Feet
# Maximum Observed Flow:                        1 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/03/2026 at 10:00 PM PST
# Maximum Forecast Stage:                       4.93 Feet
# Maximum Forecast Flow:                        16 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  10/28/2026 01 PM PDT            4.52              1                Not Applicable
  10/28/2026 02 PM PDT            4.52              1         0      Not Applicable
  10/28/2026 03 PM PDT            4.52              1         0      Not Applicable
  10/28/2026 04 PM PDT            4.53              1         +      Not Applicable
  10/28/2026 05 PM PDT            4.53              1         0      Not Applicable
  10/28/2026 06 PM PDT            4.53              1         0      Not Applicable
  10/28/2026 07 PM PDT            4.53              1         0      Not Applicable
  10/28/2026 08 PM PDT            4.53              1         0      Not Applicable
  10/28/2026 09 PM PDT            4.53              1         0      Not Applicable
  10/28/2026 10 PM PDT            4.53              1         0      Not Applicable
  10/28/2026 11 PM PDT            4.53              1         0      Not Applicable
  10/29/2026 12 AM PDT            4.53              1         0      Not Applicable
  10/29/2026 01 AM PDT            4.53              1         0      Not Applicable
  10/29/2026 02 AM PDT            4.53              1         0      Not Applicable
  10/29/2026 03 AM PDT            4.53              1         0      Not Applicable
  10/29/2026 04 AM PDT            4.53              1         0      Not Applicable
  10/29/2026 05 AM PDT            4.53              1         0      Not Applicable
  10/29/2026 06 AM PDT            4.53              1         0      Not Applicable
  10/29/2026 07 AM PDT            4.53              1         0      Not Applicable
  10/29/2026 08 AM PDT            4.53              1         0      Not Applicable
  10/29/2026 09 AM PDT            4.53              1         0      Not Applicable
  10/29/2026 10 AM PDT            4.53              1         0      Not Applicable
  10/29/2026 11 AM PDT            4.53              1         0      Not Applicable
  10/29/2026 12 PM PDT            4.53              1         0      Not Applicable
  10/29/2026 01 PM PDT            4.53              1         0      Not Applicable
  10/29/2026 02 PM PDT            4.53              1         0      Not Applicable
  10/29/2026 03 PM PDT            4.53              1         0      Not Applicable
  10/29/2026 04 PM PDT            4.53              1         0      Not Applicable
  10/29/2026 05 PM PDT            4.53              1         0      Not Applicable
  10/29/2026 06 PM PDT            4.53              1         0      Not Applicable
  10/29/2026 07 PM PDT            4.53              1         0      Not Applicable
  10/29/2026 08 PM PDT            4.53              1         0      Not Applicable
  10/29/2026 09 PM PDT            4.53              1         0      Not Applicable
  10/29/2026 10 PM PDT            4.53              1         0      Not Applicable
  10/29/2026 11 PM PDT            4.53              1         0      Not Applicable
  10/30/2026 12 AM PDT            4.53              1         0      Not Applicable
  10/30/2026 01 AM PDT            4.53              1         0      Not Applicable
  10/30/2026 02 AM PDT            4.53              1         0      Not Applicable
  10/30/2026 03 AM PDT            4.53              1         0      Not Applicable
  10/30/2026 04 AM PDT            4.53              1         0      Not Applicable
  10/30/2026 05 AM PDT            4.53              1         0      Not Applicable
  10/30/2026 06 AM PDT            4.53              1         0      Not Applicable
  10/30/2026 07 AM PDT            4.53              1         0      Not Applicable
  10/30/2026 08 AM PDT            4.53              1         0      Not Applicable
  10/30/2026 09 AM PDT            4.53              1         0      Not Applicable
  10/30/2026 10 AM PDT            4.53              1         0      Not Applicable
  10/30/2026 11 AM PDT            4.53              1         0      Not Applicable
  10/30/2026 12 PM PDT            4.53              1         0      Not Applicable
  10/30/2026 01 PM PDT            4.53              1         0      Not Applicable
  10/30/2026 02 PM PDT            4.53              1         0      Not Applicable
  10/30/2026 03 PM PDT            4.53              1         0      Not Applicable
  10/30/2026 04 PM PDT            4.53              1         0      Not Applicable
  10/30/2026 05 PM PDT            4.53              1         0      Not Applicable
  10/30/2026 06 PM PDT            4.53              1         0      Not Applicable
  10/30/2026 07 PM PDT            4.53              1         0      Not Applicable
  10/30/2026 08 PM PDT            4.53              1         0      Not Applicable
  10/30/2026 09 PM PDT            4.53              1         0      Not Applicable
  10/30/2026 10 PM PDT            4.53              1         0      Not Applicable
  10/30/2026 11 PM PDT            4.53              1         0      Not Applicable
  10/31/2026 12 AM PDT            4.53              1         0      Not Applicable
  10/31/2026 01 AM PDT            4.53              1         0      Not Applicable
  10/31/2026 02 AM PDT            4.53              1         0      Not Applicable
  10/31/2026 03 AM PDT            4.53              1         0      Not Applicable
  10/31/2026 04 AM PDT            4.53              1         0      Not Applicable
  10/31/2026 05 AM PDT            4.53              1         0      Not Applicable
  10/31/2026 06 AM PDT            4.53              1         0      Not Applicable
  10/31/2026 07 AM PDT            4.53              1         0      Not Applicable
  10/31/2026 08 AM PDT            4.53              1         0      Not Applicable
  10/31/2026 09 AM PDT            4.53              1         0      Not Applicable
  10/31/2026 10 AM PDT            4.53              1         0      Not Applicable
  10/31/2026 11 AM PDT            4.53              1         0      Not Applicable
  10/31/2026 12 PM PDT            4.53              1         0      Not Applicable
  10/31/2026 01 PM PDT            4.53              1         0      Not Applicable
  10/31/2026 02 PM PDT            4.53              1         0      Not Applicable
  10/31/2026 03 PM PDT            4.53              1         0      Not Applicable
  10/31/2026 04 PM PDT            4.53              1         0      Not Applicable
  10/31/2026 05 PM PDT            4.53              1         0      Not Applicable
  10/31/2026 06 PM PDT            4.53              1         0      Not Applicable
  10/31/2026 07 PM PDT            4.53              1         0      Not Applicable
  10/31/2026 08 PM PDT            4.53              1         0      Not Applicable
  10/31/2026 09 PM PDT            4.54              1         +      Not Applicable
  10/31/2026 10 PM PDT            4.54              1         0      Not Applicable
  10/31/2026 11 PM PDT            4.56              1         +      Not Applicable
  11/01/2026 12 AM PDT            4.56              1         0      Not Applicable
  11/01/2026 01 AM PDT            4.56              1         0      Not Applicable
  11/01/2026 01 AM PST            4.56              1         0      Not Applicable
  11/01/2026 02 AM PST            4.55              1         -      Not Applicable
  11/01/2026 03 AM PST            4.55              1         0      Not Applicable
  11/01/2026 04 AM PST            4.55              1         0      Not Applicable
  11/01/2026 05 AM PST            4.54              1         -      Not Applicable
  11/01/2026 06 AM PST            4.54              1         0      Not Applicable
  11/01/2026 07 AM PST            4.54              1         0      Not Applicable
  11/01/2026 08 AM PST            4.54              1         0      Not Applicable
  11/01/2026 09 AM PST            4.54              1         0      Not Applicable
  11/01/2026 10 AM PST            4.54              1         0      Not Applicable
  11/01/2026 11 AM PST            4.54              1         0      Not Applicable
  11/01/2026 12 PM PST            4.54              1         0      Not Applicable
  11/01/2026 01 PM PST            4.54              1         0      Not Applicable
  11/01/2026 02 PM PST            4.54              1         0      Not Applicable
  11/01/2026 03 PM PST            4.54              1         0      Not Applicable
  11/01/2026 04 PM PST            4.54              1         0      Not Applicable
  11/01/2026 05 PM PST            4.54              1         0      Not Applicable
  11/01/2026 06 PM PST            4.54              1         0      Not Applicable
  11/01/2026 07 PM PST            4.54              1         0      Not Applicable
  11/01/2026 08 PM PST            4.54              1         0      Not Applicable
  11/01/2026 09 PM PST            4.54              1         0      Not Applicable
  11/01/2026 10 PM PST            4.54              1         0      Not Applicable
  11/01/2026 11 PM PST            4.54              1         0      Not Applicable
  11/02/2026 12 AM PST            4.54              1         0      Not Applicable
  11/02/2026 01 AM PST            4.54              1         0      Not Applicable
  11/02/2026 02 AM PST            4.54              1         0      Not Applicable
  11/02/2026 03 AM PST            4.54              1         0      Not Applicable
  11/02/2026 04 AM PST            4.53              1         -      Not Applicable
  11/02/2026 05 AM PST            4.54              1         +      Not Applicable
  11/02/2026 06 AM PST            4.54              1         0      Not Applicable
  11/02/2026 07 AM PST            4.55              1         +      Not Applicable
  11/02/2026 08 AM PST            4.55              1         0      Not Applicable
  11/02/2026 09 AM PST            4.54              1         -      Not Applicable
  11/02/2026 10 AM PST            4.55              1         +      Not Applicable
  11/02/2026 11 AM PST            4.55              1         0      Not Applicable
  11/02/2026 12 PM PST            4.55              1         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/02/2026 01 PM PST            4.54              1                Not Applicable
  11/02/2026 02 PM PST            4.54              1         0      Not Applicable
  11/02/2026 03 PM PST            4.54              1         0      Not Applicable
  11/02/2026 04 PM PST            4.53              1         -      Not Applicable
  11/02/2026 05 PM PST            4.53              1         0      Not Applicable
  11/02/2026 06 PM PST            4.53              1         0      Not Applicable
  11/02/2026 07 PM PST            4.52              1         -      Not Applicable
  11/02/2026 08 PM PST            4.52              1         0      Not Applicable
  11/02/2026 09 PM PST            4.52              1         0      Not Applicable
  11/02/2026 10 PM PST            4.51              1         -      Not Applicable
  11/02/2026 11 PM PST            4.51              1         0      Not Applicable
  11/03/2026 12 AM PST            4.51              1         0      Not Applicable
  11/03/2026 01 AM PST            4.50              0         -      Not Applicable
  11/03/2026 02 AM PST            4.50              0         0      Not Applicable
  11/03/2026 03 AM PST            4.50              0         0      Not Applicable
  11/03/2026 04 AM PST            4.50              0         0      Not Applicable
  11/03/2026 05 AM PST            4.49              0         -      Not Applicable
  11/03/2026 06 AM PST            4.49              0         0      Not Applicable
  11/03/2026 07 AM PST            4.49              0         0      Not Applicable
  11/03/2026 08 AM PST            4.49              0         0      Not Applicable
  11/03/2026 09 AM PST            4.50              0         +      Not Applicable
  11/03/2026 10 AM PST            4.52              1         +      Not Applicable
  11/03/2026 11 AM PST            4.57              1         +      Not Applicable
  11/03/2026 12 PM PST            4.63              2         +      Not Applicable
  11/03/2026 01 PM PST            4.70              3         +      Not Applicable
  11/03/2026 02 PM PST            4.75              5         +      Not Applicable
  11/03/2026 03 PM PST            4.79              7         +      Not Applicable
  11/03/2026 04 PM PST            4.83              9         +      Not Applicable
  11/03/2026 05 PM PST            4.86             11         +      Not Applicable
  11/03/2026 06 PM PST            4.88             12         +      Not Applicable
  11/03/2026 07 PM PST            4.90             14         +      Not Applicable
  11/03/2026 08 PM PST            4.91             14         +      Not Applicable
  11/03/2026 09 PM PST            4.92             15         +      Not Applicable
  11/03/2026 10 PM PST            4.93             16         +      Not Applicable
  11/03/2026 11 PM PST            4.93             16         0      Not Applicable
  11/04/2026 12 AM PST            4.93             16         0      Not Applicable
  11/04/2026 01 AM PST            4.92             15         -      Not Applicable
  11/04/2026 02 AM PST            4.91             14         -      Not Applicable
  11/04/2026 03 AM PST            4.90             14         -      Not Applicable
  11/04/2026 04 AM PST            4.89             13         -      Not Applicable
  11/04/2026 05 AM PST            4.87             12         -      Not Applicable
  11/04/2026 06 AM PST            4.86             11         -      Not Applicable
  11/04/2026 07 AM PST            4.84             10         -      Not Applicable
  11/04/2026 08 AM PST            4.82              9         -      Not Applicable
  11/04/2026 09 AM PST            4.80              7         -      Not Applicable
  11/04/2026 10 AM PST            4.79              7         -      Not Applicable
  11/04/2026 11 AM PST            4.77              6         -      Not Applicable
  11/04/2026 12 PM PST            4.75              5         -      Not Applicable
  11/04/2026 01 PM PST            4.74              5         -      Not Applicable
  11/04/2026 02 PM PST            4.73              4         -      Not Applicable
  11/04/2026 03 PM PST            4.71              4         -      Not Applicable
  11/04/2026 04 PM PST            4.69              3         -      Not Applicable
  11/04/2026 05 PM PST            4.67              3         -      Not Applicable
  11/04/2026 06 PM PST            4.66              3         -      Not Applicable
  11/04/2026 07 PM PST            4.64              2         -      Not Applicable
  11/04/2026 08 PM PST            4.63              2         -      Not Applicable
  11/04/2026 09 PM PST            4.62              2         -      Not Applicable
  11/04/2026 10 PM PST            4.61              2         -      Not Applicable
  11/04/2026 11 PM PST            4.60              2         -      Not Applicable
  11/05/2026 12 AM PST            4.59              1         -      Not Applicable
  11/05/2026 01 AM PST            4.59              1         0      Not Applicable
  11/05/2026 02 AM PST            4.58              1         -      Not Applicable
  11/05/2026 03 AM PST            4.58              1         0      Not Applicable
  11/05/2026 04 AM PST            4.57              1         -      Not Applicable
  11/05/2026 05 AM PST            4.57              1         0      Not Applicable
  11/05/2026 06 AM PST            4.56              1         -      Not Applicable
  11/05/2026 07 AM PST            4.56              1         0      Not Applicable
  11/05/2026 08 AM PST            4.56              1         0      Not Applicable
  11/05/2026 09 AM PST            4.55              1         -      Not Applicable
  11/05/2026 10 AM PST            4.55              1         0      Not Applicable
  11/05/2026 11 AM PST            4.55              1         0      Not Applicable
  11/05/2026 12 PM PST            4.55              1         0      Not Applicable
  11/05/2026 01 PM PST            4.55              1         0      Not Applicable
  11/05/2026 02 PM PST            4.55              1         0      Not Applicable
  11/05/2026 03 PM PST            4.54              1         -      Not Applicable
  11/05/2026 04 PM PST            4.54              1         0      Not Applicable
  11/05/2026 05 PM PST            4.54              1         0      Not Applicable
  11/05/2026 06 PM PST            4.54              1         0      Not Applicable
  11/05/2026 07 PM PST            4.54              1         0      Not Applicable
  11/05/2026 08 PM PST            4.54              1         0      Not Applicable
  11/05/2026 09 PM PST            4.54              1         0      Not Applicable
  11/05/2026 10 PM PST            4.54              1         0      Not Applicable
  11/05/2026 11 PM PST            4.54              1         0      Not Applicable
  11/06/2026 12 AM PST            4.54              1         0      Not Applicable
  11/06/2026 01 AM PST            4.54              1         0      Not Applicable
  11/06/2026 02 AM PST            4.53              1         -      Not Applicable
  11/06/2026 03 AM PST            4.53              1         0      Not Applicable
  11/06/2026 04 AM PST            4.53              1         0      Not Applicable
  11/06/2026 05 AM PST            4.53              1         0      Not Applicable
  11/06/2026 06 AM PST            4.53              1         0      Not Applicable
  11/06/2026 07 AM PST            4.53              1         0      Not Applicable
  11/06/2026 08 AM PST            4.53              1         0      Not Applicable
  11/06/2026 09 AM PST            4.53              1         0      Not Applicable
  11/06/2026 10 AM PST            4.53              1         0      Not Applicable
  11/06/2026 11 AM PST            4.53              1         0      Not Applicable
  11/06/2026 12 PM PST            4.53              1         0      Not Applicable
  11/06/2026 01 PM PST            4.52              1         -      Not Applicable
  11/06/2026 02 PM PST            4.52              1         0      Not Applicable
  11/06/2026 03 PM PST            4.52              1         0      Not Applicable
  11/06/2026 04 PM PST            4.52              1         0      Not Applicable
  11/06/2026 05 PM PST            4.52              1         0      Not Applicable
  11/06/2026 06 PM PST            4.52              1         0      Not Applicable
  11/06/2026 07 PM PST            4.52              1         0      Not Applicable
  11/06/2026 08 PM PST            4.52              1         0      Not Applicable
  11/06/2026 09 PM PST            4.52              1         0      Not Applicable
  11/06/2026 10 PM PST            4.52              1         0      Not Applicable
  11/06/2026 11 PM PST            4.52              1         0      Not Applicable
  11/07/2026 12 AM PST            4.52              1         0      Not Applicable
  11/07/2026 01 AM PST            4.52              1         0      Not Applicable
  11/07/2026 02 AM PST            4.52              1         0      Not Applicable
  11/07/2026 03 AM PST            4.51              1         -      Not Applicable
  11/07/2026 04 AM PST            4.51              1         0      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.