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: Feb 05 2026 at 1:23 PM PSTNext Issuance: Feb 06 2026 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:  02/05/2026 at 01:25 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  01/31/2026 at 06:00 PM PST
# Maximum Observed Stage:                       5.93 Feet
# Maximum Observed Flow:                        97 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/05/2026 at 02:00 PM PST
# Maximum Forecast Stage:                       5.76 Feet
# Maximum Forecast Flow:                        76 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  01/31/2026 01 PM PST            5.93             97                Not Applicable
  01/31/2026 02 PM PST            5.93             97         0      Not Applicable
  01/31/2026 03 PM PST            5.92             96         -      Not Applicable
  01/31/2026 04 PM PST            5.93             97         +      Not Applicable
  01/31/2026 05 PM PST            5.92             96         -      Not Applicable
  01/31/2026 06 PM PST            5.93             97         +      Not Applicable
  01/31/2026 07 PM PST            5.92             96         -      Not Applicable
  01/31/2026 08 PM PST            5.92             96         0      Not Applicable
  01/31/2026 09 PM PST            5.92             96         0      Not Applicable
  01/31/2026 10 PM PST            5.92             96         0      Not Applicable
  01/31/2026 11 PM PST            5.92             96         0      Not Applicable
  02/01/2026 12 AM PST            5.92             96         0      Not Applicable
  02/01/2026 01 AM PST            5.92             96         0      Not Applicable
  02/01/2026 02 AM PST            5.92             96         0      Not Applicable
  02/01/2026 03 AM PST            5.91             94         -      Not Applicable
  02/01/2026 04 AM PST            5.92             96         +      Not Applicable
  02/01/2026 05 AM PST            5.91             94         -      Not Applicable
  02/01/2026 06 AM PST            5.91             94         0      Not Applicable
  02/01/2026 07 AM PST            5.91             94         0      Not Applicable
  02/01/2026 08 AM PST            5.91             94         0      Not Applicable
  02/01/2026 09 AM PST            5.90             93         -      Not Applicable
  02/01/2026 10 AM PST            5.90             93         0      Not Applicable
  02/01/2026 11 AM PST            5.90             93         0      Not Applicable
  02/01/2026 12 PM PST            5.90             93         0      Not Applicable
  02/01/2026 01 PM PST            5.90             93         0      Not Applicable
  02/01/2026 02 PM PST            5.90             93         0      Not Applicable
  02/01/2026 03 PM PST            5.90             93         0      Not Applicable
  02/01/2026 04 PM PST            5.90             93         0      Not Applicable
  02/01/2026 05 PM PST            5.89             92         -      Not Applicable
  02/01/2026 06 PM PST            5.89             92         0      Not Applicable
  02/01/2026 07 PM PST            5.89             92         0      Not Applicable
  02/01/2026 08 PM PST            5.89             92         0      Not Applicable
  02/01/2026 09 PM PST            5.89             92         0      Not Applicable
  02/01/2026 10 PM PST            5.89             92         0      Not Applicable
  02/01/2026 11 PM PST            5.88             90         -      Not Applicable
  02/02/2026 12 AM PST            5.88             90         0      Not Applicable
  02/02/2026 01 AM PST            5.88             90         0      Not Applicable
  02/02/2026 02 AM PST            5.88             90         0      Not Applicable
  02/02/2026 03 AM PST            5.88             90         0      Not Applicable
  02/02/2026 04 AM PST            5.88             90         0      Not Applicable
  02/02/2026 05 AM PST            5.87             89         -      Not Applicable
  02/02/2026 06 AM PST            5.87             89         0      Not Applicable
  02/02/2026 07 AM PST            5.87             89         0      Not Applicable
  02/02/2026 08 AM PST            5.86             88         -      Not Applicable
  02/02/2026 09 AM PST            5.86             88         0      Not Applicable
  02/02/2026 10 AM PST            5.86             88         0      Not Applicable
  02/02/2026 11 AM PST            5.85             87         -      Not Applicable
  02/02/2026 12 PM PST            5.85             87         0      Not Applicable
  02/02/2026 01 PM PST            5.86             88         +      Not Applicable
  02/02/2026 02 PM PST            5.86             88         0      Not Applicable
  02/02/2026 03 PM PST            5.85             87         -      Not Applicable
  02/02/2026 04 PM PST            5.85             87         0      Not Applicable
  02/02/2026 05 PM PST            5.85             87         0      Not Applicable
  02/02/2026 06 PM PST            5.85             87         0      Not Applicable
  02/02/2026 07 PM PST            5.85             87         0      Not Applicable
  02/02/2026 08 PM PST            5.84             86         -      Not Applicable
  02/02/2026 09 PM PST            5.84             86         0      Not Applicable
  02/02/2026 10 PM PST            5.84             86         0      Not Applicable
  02/02/2026 11 PM PST            5.84             86         0      Not Applicable
  02/03/2026 12 AM PST            5.84             86         0      Not Applicable
  02/03/2026 01 AM PST            5.84             86         0      Not Applicable
  02/03/2026 02 AM PST            5.84             86         0      Not Applicable
  02/03/2026 03 AM PST            5.84             86         0      Not Applicable
  02/03/2026 04 AM PST            5.84             86         0      Not Applicable
  02/03/2026 05 AM PST            5.83             84         -      Not Applicable
  02/03/2026 06 AM PST            5.84             86         +      Not Applicable
  02/03/2026 07 AM PST            5.83             84         -      Not Applicable
  02/03/2026 08 AM PST            5.83             84         0      Not Applicable
  02/03/2026 09 AM PST            5.82             83         -      Not Applicable
  02/03/2026 10 AM PST            5.82             83         0      Not Applicable
  02/03/2026 11 AM PST            5.82             83         0      Not Applicable
  02/03/2026 12 PM PST            5.82             83         0      Not Applicable
  02/03/2026 01 PM PST            5.82             83         0      Not Applicable
  02/03/2026 02 PM PST            5.82             83         0      Not Applicable
  02/03/2026 03 PM PST            5.81             82         -      Not Applicable
  02/03/2026 04 PM PST            5.81             82         0      Not Applicable
  02/03/2026 05 PM PST            5.81             82         0      Not Applicable
  02/03/2026 06 PM PST            5.80             81         -      Not Applicable
  02/03/2026 07 PM PST            5.81             82         +      Not Applicable
  02/03/2026 08 PM PST            5.81             82         0      Not Applicable
  02/03/2026 09 PM PST            5.81             82         0      Not Applicable
  02/03/2026 10 PM PST            5.80             81         -      Not Applicable
  02/03/2026 11 PM PST            5.80             81         0      Not Applicable
  02/04/2026 12 AM PST            5.80             81         0      Not Applicable
  02/04/2026 01 AM PST            5.80             81         0      Not Applicable
  02/04/2026 02 AM PST            5.80             81         0      Not Applicable
  02/04/2026 03 AM PST            5.80             81         0      Not Applicable
  02/04/2026 04 AM PST            5.80             81         0      Not Applicable
  02/04/2026 05 AM PST            5.79             80         -      Not Applicable
  02/04/2026 06 AM PST            5.79             80         0      Not Applicable
  02/04/2026 07 AM PST            5.79             80         0      Not Applicable
  02/04/2026 08 AM PST            5.79             80         0      Not Applicable
  02/04/2026 09 AM PST            5.79             80         0      Not Applicable
  02/04/2026 10 AM PST            5.79             80         0      Not Applicable
  02/04/2026 11 AM PST            5.79             80         0      Not Applicable
  02/04/2026 12 PM PST            5.78             78         -      Not Applicable
  02/04/2026 01 PM PST            5.78             78         0      Not Applicable
  02/04/2026 02 PM PST            5.78             78         0      Not Applicable
  02/04/2026 03 PM PST            5.77             77         -      Not Applicable
  02/04/2026 04 PM PST            5.77             77         0      Not Applicable
  02/04/2026 05 PM PST            5.78             78         +      Not Applicable
  02/04/2026 06 PM PST            5.78             78         0      Not Applicable
  02/04/2026 07 PM PST            5.78             78         0      Not Applicable
  02/04/2026 08 PM PST            5.77             77         -      Not Applicable
  02/04/2026 09 PM PST            5.78             78         +      Not Applicable
  02/04/2026 10 PM PST            5.77             77         -      Not Applicable
  02/04/2026 11 PM PST            5.78             78         +      Not Applicable
  02/05/2026 12 AM PST            5.77             77         -      Not Applicable
  02/05/2026 01 AM PST            5.77             77         0      Not Applicable
  02/05/2026 02 AM PST            5.77             77         0      Not Applicable
  02/05/2026 03 AM PST            5.77             77         0      Not Applicable
  02/05/2026 04 AM PST            5.77             77         0      Not Applicable
  02/05/2026 05 AM PST            5.77             77         0      Not Applicable
  02/05/2026 06 AM PST            5.77             77         0      Not Applicable
  02/05/2026 07 AM PST            5.76             76         -      Not Applicable
  02/05/2026 08 AM PST            5.77             77         +      Not Applicable
  02/05/2026 09 AM PST            5.76             76         -      Not Applicable
  02/05/2026 10 AM PST            5.76             76         0      Not Applicable
  02/05/2026 11 AM PST            5.76             76         0      Not Applicable
  02/05/2026 12 PM PST            5.76             76         0      Not Applicable
  02/05/2026 01 PM PST            5.76             76         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/05/2026 02 PM PST            5.76             76                Not Applicable
  02/05/2026 03 PM PST            5.76             76         0      Not Applicable
  02/05/2026 04 PM PST            5.76             76         0      Not Applicable
  02/05/2026 05 PM PST            5.75             75         -      Not Applicable
  02/05/2026 06 PM PST            5.75             75         0      Not Applicable
  02/05/2026 07 PM PST            5.75             75         0      Not Applicable
  02/05/2026 08 PM PST            5.75             75         0      Not Applicable
  02/05/2026 09 PM PST            5.75             75         0      Not Applicable
  02/05/2026 10 PM PST            5.75             75         0      Not Applicable
  02/05/2026 11 PM PST            5.75             75         0      Not Applicable
  02/06/2026 12 AM PST            5.75             75         0      Not Applicable
  02/06/2026 01 AM PST            5.75             75         0      Not Applicable
  02/06/2026 02 AM PST            5.75             75         0      Not Applicable
  02/06/2026 03 AM PST            5.75             75         0      Not Applicable
  02/06/2026 04 AM PST            5.75             75         0      Not Applicable
  02/06/2026 05 AM PST            5.75             75         0      Not Applicable
  02/06/2026 06 AM PST            5.75             75         0      Not Applicable
  02/06/2026 07 AM PST            5.74             74         -      Not Applicable
  02/06/2026 08 AM PST            5.74             74         0      Not Applicable
  02/06/2026 09 AM PST            5.74             74         0      Not Applicable
  02/06/2026 10 AM PST            5.74             74         0      Not Applicable
  02/06/2026 11 AM PST            5.74             74         0      Not Applicable
  02/06/2026 12 PM PST            5.74             74         0      Not Applicable
  02/06/2026 01 PM PST            5.74             74         0      Not Applicable
  02/06/2026 02 PM PST            5.74             74         0      Not Applicable
  02/06/2026 03 PM PST            5.74             74         0      Not Applicable
  02/06/2026 04 PM PST            5.74             74         0      Not Applicable
  02/06/2026 05 PM PST            5.74             74         0      Not Applicable
  02/06/2026 06 PM PST            5.74             74         0      Not Applicable
  02/06/2026 07 PM PST            5.74             74         0      Not Applicable
  02/06/2026 08 PM PST            5.73             73         -      Not Applicable
  02/06/2026 09 PM PST            5.73             73         0      Not Applicable
  02/06/2026 10 PM PST            5.73             73         0      Not Applicable
  02/06/2026 11 PM PST            5.73             73         0      Not Applicable
  02/07/2026 12 AM PST            5.73             73         0      Not Applicable
  02/07/2026 01 AM PST            5.73             73         0      Not Applicable
  02/07/2026 02 AM PST            5.73             73         0      Not Applicable
  02/07/2026 03 AM PST            5.73             73         0      Not Applicable
  02/07/2026 04 AM PST            5.73             73         0      Not Applicable
  02/07/2026 05 AM PST            5.73             73         0      Not Applicable
  02/07/2026 06 AM PST            5.73             73         0      Not Applicable
  02/07/2026 07 AM PST            5.73             73         0      Not Applicable
  02/07/2026 08 AM PST            5.72             72         -      Not Applicable
  02/07/2026 09 AM PST            5.72             72         0      Not Applicable
  02/07/2026 10 AM PST            5.72             72         0      Not Applicable
  02/07/2026 11 AM PST            5.72             72         0      Not Applicable
  02/07/2026 12 PM PST            5.72             72         0      Not Applicable
  02/07/2026 01 PM PST            5.72             72         0      Not Applicable
  02/07/2026 02 PM PST            5.72             72         0      Not Applicable
  02/07/2026 03 PM PST            5.72             72         0      Not Applicable
  02/07/2026 04 PM PST            5.72             72         0      Not Applicable
  02/07/2026 05 PM PST            5.72             72         0      Not Applicable
  02/07/2026 06 PM PST            5.72             72         0      Not Applicable
  02/07/2026 07 PM PST            5.72             72         0      Not Applicable
  02/07/2026 08 PM PST            5.72             72         0      Not Applicable
  02/07/2026 09 PM PST            5.71             71         -      Not Applicable
  02/07/2026 10 PM PST            5.71             71         0      Not Applicable
  02/07/2026 11 PM PST            5.71             71         0      Not Applicable
  02/08/2026 12 AM PST            5.71             71         0      Not Applicable
  02/08/2026 01 AM PST            5.71             71         0      Not Applicable
  02/08/2026 02 AM PST            5.71             71         0      Not Applicable
  02/08/2026 03 AM PST            5.71             71         0      Not Applicable
  02/08/2026 04 AM PST            5.71             71         0      Not Applicable
  02/08/2026 05 AM PST            5.71             71         0      Not Applicable
  02/08/2026 06 AM PST            5.71             71         0      Not Applicable
  02/08/2026 07 AM PST            5.71             71         0      Not Applicable
  02/08/2026 08 AM PST            5.71             71         0      Not Applicable
  02/08/2026 09 AM PST            5.71             71         0      Not Applicable
  02/08/2026 10 AM PST            5.71             71         0      Not Applicable
  02/08/2026 11 AM PST            5.71             71         0      Not Applicable
  02/08/2026 12 PM PST            5.70             70         -      Not Applicable
  02/08/2026 01 PM PST            5.70             70         0      Not Applicable
  02/08/2026 02 PM PST            5.70             70         0      Not Applicable
  02/08/2026 03 PM PST            5.70             70         0      Not Applicable
  02/08/2026 04 PM PST            5.70             70         0      Not Applicable
  02/08/2026 05 PM PST            5.70             70         0      Not Applicable
  02/08/2026 06 PM PST            5.70             70         0      Not Applicable
  02/08/2026 07 PM PST            5.70             70         0      Not Applicable
  02/08/2026 08 PM PST            5.70             70         0      Not Applicable
  02/08/2026 09 PM PST            5.70             70         0      Not Applicable
  02/08/2026 10 PM PST            5.70             70         0      Not Applicable
  02/08/2026 11 PM PST            5.70             70         0      Not Applicable
  02/09/2026 12 AM PST            5.70             70         0      Not Applicable
  02/09/2026 01 AM PST            5.70             70         0      Not Applicable
  02/09/2026 02 AM PST            5.70             70         0      Not Applicable
  02/09/2026 03 AM PST            5.70             70         0      Not Applicable
  02/09/2026 04 AM PST            5.70             70         0      Not Applicable
  02/09/2026 05 AM PST            5.70             70         0      Not Applicable
  02/09/2026 06 AM PST            5.69             69         -      Not Applicable
  02/09/2026 07 AM PST            5.69             69         0      Not Applicable
  02/09/2026 08 AM PST            5.69             69         0      Not Applicable
  02/09/2026 09 AM PST            5.69             69         0      Not Applicable
  02/09/2026 10 AM PST            5.69             69         0      Not Applicable
  02/09/2026 11 AM PST            5.69             69         0      Not Applicable
  02/09/2026 12 PM PST            5.69             69         0      Not Applicable
  02/09/2026 01 PM PST            5.69             69         0      Not Applicable
  02/09/2026 02 PM PST            5.69             69         0      Not Applicable
  02/09/2026 03 PM PST            5.69             69         0      Not Applicable
  02/09/2026 04 PM PST            5.68             68         -      Not Applicable
  02/09/2026 05 PM PST            5.68             68         0      Not Applicable
  02/09/2026 06 PM PST            5.68             68         0      Not Applicable
  02/09/2026 07 PM PST            5.68             68         0      Not Applicable
  02/09/2026 08 PM PST            5.68             68         0      Not Applicable
  02/09/2026 09 PM PST            5.68             68         0      Not Applicable
  02/09/2026 10 PM PST            5.68             68         0      Not Applicable
  02/09/2026 11 PM PST            5.68             68         0      Not Applicable
  02/10/2026 12 AM PST            5.68             68         0      Not Applicable
  02/10/2026 01 AM PST            5.68             68         0      Not Applicable
  02/10/2026 02 AM PST            5.68             68         0      Not Applicable
  02/10/2026 03 AM PST            5.67             67         -      Not Applicable
  02/10/2026 04 AM PST            5.67             67         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.