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: May 12 2025 at 7:25 AM PDTNext Issuance: May 13 2025 at 9:00 AM PDT
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:  05/12/2025 at 07:26 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/08/2025 at 04:00 AM PDT
# Maximum Observed Stage:                       5.67 Feet
# Maximum Observed Flow:                        74 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/12/2025 at 02:00 PM PDT
# Maximum Forecast Stage:                       5.66 Feet
# Maximum Forecast Flow:                        72 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/07/2025 07 AM PDT            5.66             72                Not Applicable
  05/07/2025 08 AM PDT            5.66             72         0      Not Applicable
  05/07/2025 09 AM PDT            5.66             72         0      Not Applicable
  05/07/2025 10 AM PDT            5.66             72         0      Not Applicable
  05/07/2025 11 AM PDT            5.67             74         +      Not Applicable
  05/07/2025 12 PM PDT            5.66             72         -      Not Applicable
  05/07/2025 01 PM PDT            5.66             72         0      Not Applicable
  05/07/2025 02 PM PDT            5.66             72         0      Not Applicable
  05/07/2025 03 PM PDT            5.65             71         -      Not Applicable
  05/07/2025 04 PM PDT            5.65             71         0      Not Applicable
  05/07/2025 05 PM PDT            5.65             71         0      Not Applicable
  05/07/2025 06 PM PDT            5.65             71         0      Not Applicable
  05/07/2025 07 PM PDT            5.66             72         +      Not Applicable
  05/07/2025 08 PM PDT            5.66             72         0      Not Applicable
  05/07/2025 09 PM PDT            5.66             72         0      Not Applicable
  05/07/2025 10 PM PDT            5.66             72         0      Not Applicable
  05/07/2025 11 PM PDT            5.67             74         +      Not Applicable
  05/08/2025 12 AM PDT            5.67             74         0      Not Applicable
  05/08/2025 01 AM PDT            5.67             74         0      Not Applicable
  05/08/2025 02 AM PDT            5.67             74         0      Not Applicable
  05/08/2025 03 AM PDT            5.67             74         0      Not Applicable
  05/08/2025 04 AM PDT            5.67             74         0      Not Applicable
  05/08/2025 05 AM PDT            5.66             72         -      Not Applicable
  05/08/2025 06 AM PDT            5.66             72         0      Not Applicable
  05/08/2025 07 AM PDT            5.66             72         0      Not Applicable
  05/08/2025 08 AM PDT            5.66             72         0      Not Applicable
  05/08/2025 09 AM PDT            5.66             72         0      Not Applicable
  05/08/2025 10 AM PDT            5.65             71         -      Not Applicable
  05/08/2025 11 AM PDT            5.65             71         0      Not Applicable
  05/08/2025 12 PM PDT            5.65             71         0      Not Applicable
  05/08/2025 01 PM PDT            5.65             71         0      Not Applicable
  05/08/2025 02 PM PDT            5.65             71         0      Not Applicable
  05/08/2025 03 PM PDT            5.65             71         0      Not Applicable
  05/08/2025 04 PM PDT            5.65             71         0      Not Applicable
  05/08/2025 05 PM PDT            5.65             71         0      Not Applicable
  05/08/2025 06 PM PDT            5.65             71         0      Not Applicable
  05/08/2025 07 PM PDT            5.65             71         0      Not Applicable
  05/08/2025 08 PM PDT            5.65             71         0      Not Applicable
  05/08/2025 09 PM PDT            5.64             70         -      Not Applicable
  05/08/2025 10 PM PDT            5.64             70         0      Not Applicable
  05/08/2025 11 PM PDT            5.64             70         0      Not Applicable
  05/09/2025 12 AM PDT            5.64             70         0      Not Applicable
  05/09/2025 01 AM PDT            5.65             71         +      Not Applicable
  05/09/2025 02 AM PDT            5.65             71         0      Not Applicable
  05/09/2025 03 AM PDT            5.65             71         0      Not Applicable
  05/09/2025 04 AM PDT            5.65             71         0      Not Applicable
  05/09/2025 05 AM PDT            5.65             71         0      Not Applicable
  05/09/2025 06 AM PDT            5.65             71         0      Not Applicable
  05/09/2025 07 AM PDT            5.64             70         -      Not Applicable
  05/09/2025 08 AM PDT            5.64             70         0      Not Applicable
  05/09/2025 09 AM PDT            5.64             70         0      Not Applicable
  05/09/2025 10 AM PDT            5.63             69         -      Not Applicable
  05/09/2025 11 AM PDT            5.63             69         0      Not Applicable
  05/09/2025 12 PM PDT            5.63             69         0      Not Applicable
  05/09/2025 01 PM PDT            5.62             68         -      Not Applicable
  05/09/2025 02 PM PDT            5.62             68         0      Not Applicable
  05/09/2025 03 PM PDT            5.61             67         -      Not Applicable
  05/09/2025 04 PM PDT            5.61             67         0      Not Applicable
  05/09/2025 05 PM PDT            5.61             67         0      Not Applicable
  05/09/2025 06 PM PDT            5.61             67         0      Not Applicable
  05/09/2025 07 PM PDT            5.62             68         +      Not Applicable
  05/09/2025 08 PM PDT            5.62             68         0      Not Applicable
  05/09/2025 09 PM PDT            5.62             68         0      Not Applicable
  05/09/2025 10 PM PDT            5.62             68         0      Not Applicable
  05/09/2025 11 PM PDT            5.62             68         0      Not Applicable
  05/10/2025 12 AM PDT            5.62             68         0      Not Applicable
  05/10/2025 01 AM PDT            5.62             68         0      Not Applicable
  05/10/2025 02 AM PDT            5.61             67         -      Not Applicable
  05/10/2025 03 AM PDT            5.61             67         0      Not Applicable
  05/10/2025 04 AM PDT            5.61             67         0      Not Applicable
  05/10/2025 05 AM PDT            5.61             67         0      Not Applicable
  05/10/2025 06 AM PDT            5.61             67         0      Not Applicable
  05/10/2025 07 AM PDT            5.60             66         -      Not Applicable
  05/10/2025 08 AM PDT            5.60             66         0      Not Applicable
  05/10/2025 09 AM PDT            5.59             65         -      Not Applicable
  05/10/2025 10 AM PDT            5.59             65         0      Not Applicable
  05/10/2025 11 AM PDT            5.58             64         -      Not Applicable
  05/10/2025 12 PM PDT            5.58             64         0      Not Applicable
  05/10/2025 01 PM PDT            5.58             64         0      Not Applicable
  05/10/2025 02 PM PDT            5.58             64         0      Not Applicable
  05/10/2025 03 PM PDT            5.58             64         0      Not Applicable
  05/10/2025 04 PM PDT            5.58             64         0      Not Applicable
  05/10/2025 05 PM PDT            5.58             64         0      Not Applicable
  05/10/2025 06 PM PDT            5.58             64         0      Not Applicable
  05/10/2025 07 PM PDT            5.58             64         0      Not Applicable
  05/10/2025 08 PM PDT            5.58             64         0      Not Applicable
  05/10/2025 09 PM PDT            5.58             64         0      Not Applicable
  05/10/2025 10 PM PDT            5.58             64         0      Not Applicable
  05/10/2025 11 PM PDT            5.58             64         0      Not Applicable
  05/11/2025 12 AM PDT            5.57             62         -      Not Applicable
  05/11/2025 01 AM PDT            5.57             62         0      Not Applicable
  05/11/2025 02 AM PDT            5.57             62         0      Not Applicable
  05/11/2025 03 AM PDT            5.58             64         +      Not Applicable
  05/11/2025 04 AM PDT            5.58             64         0      Not Applicable
  05/11/2025 05 AM PDT            5.58             64         0      Not Applicable
  05/11/2025 06 AM PDT            5.58             64         0      Not Applicable
  05/11/2025 07 AM PDT            5.58             64         0      Not Applicable
  05/11/2025 08 AM PDT            5.57             62         -      Not Applicable
  05/11/2025 09 AM PDT            5.57             62         0      Not Applicable
  05/11/2025 10 AM PDT            5.56             61         -      Not Applicable
  05/11/2025 11 AM PDT            5.56             61         0      Not Applicable
  05/11/2025 12 PM PDT            5.55             60         -      Not Applicable
  05/11/2025 01 PM PDT            5.56             61         +      Not Applicable
  05/11/2025 02 PM PDT            5.56             61         0      Not Applicable
  05/11/2025 03 PM PDT            5.55             60         -      Not Applicable
  05/11/2025 04 PM PDT            5.56             61         +      Not Applicable
  05/11/2025 05 PM PDT            5.55             60         -      Not Applicable
  05/11/2025 06 PM PDT            5.55             60         0      Not Applicable
  05/11/2025 07 PM PDT            5.55             60         0      Not Applicable
  05/11/2025 08 PM PDT            5.55             60         0      Not Applicable
  05/11/2025 09 PM PDT            5.55             60         0      Not Applicable
  05/11/2025 10 PM PDT            5.55             60         0      Not Applicable
  05/11/2025 11 PM PDT            5.55             60         0      Not Applicable
  05/12/2025 12 AM PDT            5.55             60         0      Not Applicable
  05/12/2025 01 AM PDT            5.55             60         0      Not Applicable
  05/12/2025 02 AM PDT            5.55             60         0      Not Applicable
  05/12/2025 03 AM PDT            5.57             62         +      Not Applicable
  05/12/2025 04 AM PDT            5.58             64         +      Not Applicable
  05/12/2025 05 AM PDT            5.58             64         0      Not Applicable
  05/12/2025 06 AM PDT            5.58             64         0      Not Applicable
  05/12/2025 07 AM PDT            5.59             65         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/12/2025 08 AM PDT            5.60             66                Not Applicable
  05/12/2025 09 AM PDT            5.61             67         +      Not Applicable
  05/12/2025 10 AM PDT            5.62             68         +      Not Applicable
  05/12/2025 11 AM PDT            5.63             69         +      Not Applicable
  05/12/2025 12 PM PDT            5.65             71         +      Not Applicable
  05/12/2025 01 PM PDT            5.65             71         0      Not Applicable
  05/12/2025 02 PM PDT            5.66             72         +      Not Applicable
  05/12/2025 03 PM PDT            5.66             72         0      Not Applicable
  05/12/2025 04 PM PDT            5.66             72         0      Not Applicable
  05/12/2025 05 PM PDT            5.65             71         -      Not Applicable
  05/12/2025 06 PM PDT            5.65             71         0      Not Applicable
  05/12/2025 07 PM PDT            5.64             70         -      Not Applicable
  05/12/2025 08 PM PDT            5.64             70         0      Not Applicable
  05/12/2025 09 PM PDT            5.63             69         -      Not Applicable
  05/12/2025 10 PM PDT            5.63             69         0      Not Applicable
  05/12/2025 11 PM PDT            5.62             68         -      Not Applicable
  05/13/2025 12 AM PDT            5.62             68         0      Not Applicable
  05/13/2025 01 AM PDT            5.62             68         0      Not Applicable
  05/13/2025 02 AM PDT            5.61             67         -      Not Applicable
  05/13/2025 03 AM PDT            5.61             67         0      Not Applicable
  05/13/2025 04 AM PDT            5.60             66         -      Not Applicable
  05/13/2025 05 AM PDT            5.60             66         0      Not Applicable
  05/13/2025 06 AM PDT            5.59             65         -      Not Applicable
  05/13/2025 07 AM PDT            5.59             65         0      Not Applicable
  05/13/2025 08 AM PDT            5.59             65         0      Not Applicable
  05/13/2025 09 AM PDT            5.58             64         -      Not Applicable
  05/13/2025 10 AM PDT            5.58             64         0      Not Applicable
  05/13/2025 11 AM PDT            5.58             64         0      Not Applicable
  05/13/2025 12 PM PDT            5.58             64         0      Not Applicable
  05/13/2025 01 PM PDT            5.58             64         0      Not Applicable
  05/13/2025 02 PM PDT            5.57             62         -      Not Applicable
  05/13/2025 03 PM PDT            5.57             62         0      Not Applicable
  05/13/2025 04 PM PDT            5.57             62         0      Not Applicable
  05/13/2025 05 PM PDT            5.57             62         0      Not Applicable
  05/13/2025 06 PM PDT            5.57             62         0      Not Applicable
  05/13/2025 07 PM PDT            5.57             62         0      Not Applicable
  05/13/2025 08 PM PDT            5.57             62         0      Not Applicable
  05/13/2025 09 PM PDT            5.57             62         0      Not Applicable
  05/13/2025 10 PM PDT            5.57             62         0      Not Applicable
  05/13/2025 11 PM PDT            5.57             62         0      Not Applicable
  05/14/2025 12 AM PDT            5.56             61         -      Not Applicable
  05/14/2025 01 AM PDT            5.56             61         0      Not Applicable
  05/14/2025 02 AM PDT            5.56             61         0      Not Applicable
  05/14/2025 03 AM PDT            5.56             61         0      Not Applicable
  05/14/2025 04 AM PDT            5.56             61         0      Not Applicable
  05/14/2025 05 AM PDT            5.56             61         0      Not Applicable
  05/14/2025 06 AM PDT            5.56             61         0      Not Applicable
  05/14/2025 07 AM PDT            5.56             61         0      Not Applicable
  05/14/2025 08 AM PDT            5.56             61         0      Not Applicable
  05/14/2025 09 AM PDT            5.56             61         0      Not Applicable
  05/14/2025 10 AM PDT            5.56             61         0      Not Applicable
  05/14/2025 11 AM PDT            5.56             61         0      Not Applicable
  05/14/2025 12 PM PDT            5.56             61         0      Not Applicable
  05/14/2025 01 PM PDT            5.56             61         0      Not Applicable
  05/14/2025 02 PM PDT            5.55             60         -      Not Applicable
  05/14/2025 03 PM PDT            5.55             60         0      Not Applicable
  05/14/2025 04 PM PDT            5.55             60         0      Not Applicable
  05/14/2025 05 PM PDT            5.55             60         0      Not Applicable
  05/14/2025 06 PM PDT            5.55             60         0      Not Applicable
  05/14/2025 07 PM PDT            5.55             60         0      Not Applicable
  05/14/2025 08 PM PDT            5.55             60         0      Not Applicable
  05/14/2025 09 PM PDT            5.55             60         0      Not Applicable
  05/14/2025 10 PM PDT            5.55             60         0      Not Applicable
  05/14/2025 11 PM PDT            5.55             60         0      Not Applicable
  05/15/2025 12 AM PDT            5.55             60         0      Not Applicable
  05/15/2025 01 AM PDT            5.55             60         0      Not Applicable
  05/15/2025 02 AM PDT            5.55             60         0      Not Applicable
  05/15/2025 03 AM PDT            5.55             60         0      Not Applicable
  05/15/2025 04 AM PDT            5.55             60         0      Not Applicable
  05/15/2025 05 AM PDT            5.55             60         0      Not Applicable
  05/15/2025 06 AM PDT            5.55             60         0      Not Applicable
  05/15/2025 07 AM PDT            5.55             60         0      Not Applicable
  05/15/2025 08 AM PDT            5.55             60         0      Not Applicable
  05/15/2025 09 AM PDT            5.54             59         -      Not Applicable
  05/15/2025 10 AM PDT            5.54             59         0      Not Applicable
  05/15/2025 11 AM PDT            5.54             59         0      Not Applicable
  05/15/2025 12 PM PDT            5.54             59         0      Not Applicable
  05/15/2025 01 PM PDT            5.54             59         0      Not Applicable
  05/15/2025 02 PM PDT            5.54             59         0      Not Applicable
  05/15/2025 03 PM PDT            5.54             59         0      Not Applicable
  05/15/2025 04 PM PDT            5.54             59         0      Not Applicable
  05/15/2025 05 PM PDT            5.54             59         0      Not Applicable
  05/15/2025 06 PM PDT            5.54             59         0      Not Applicable
  05/15/2025 07 PM PDT            5.54             59         0      Not Applicable
  05/15/2025 08 PM PDT            5.54             59         0      Not Applicable
  05/15/2025 09 PM PDT            5.54             59         0      Not Applicable
  05/15/2025 10 PM PDT            5.54             59         0      Not Applicable
  05/15/2025 11 PM PDT            5.54             59         0      Not Applicable
  05/16/2025 12 AM PDT            5.54             59         0      Not Applicable
  05/16/2025 01 AM PDT            5.54             59         0      Not Applicable
  05/16/2025 02 AM PDT            5.54             59         0      Not Applicable
  05/16/2025 03 AM PDT            5.54             59         0      Not Applicable
  05/16/2025 04 AM PDT            5.54             59         0      Not Applicable
  05/16/2025 05 AM PDT            5.54             59         0      Not Applicable
  05/16/2025 06 AM PDT            5.54             59         0      Not Applicable
  05/16/2025 07 AM PDT            5.54             59         0      Not Applicable
  05/16/2025 08 AM PDT            5.53             58         -      Not Applicable
  05/16/2025 09 AM PDT            5.53             58         0      Not Applicable
  05/16/2025 10 AM PDT            5.53             58         0      Not Applicable
  05/16/2025 11 AM PDT            5.53             58         0      Not Applicable
  05/16/2025 12 PM PDT            5.53             58         0      Not Applicable
  05/16/2025 01 PM PDT            5.53             58         0      Not Applicable
  05/16/2025 02 PM PDT            5.53             58         0      Not Applicable
  05/16/2025 03 PM PDT            5.53             58         0      Not Applicable
  05/16/2025 04 PM PDT            5.53             58         0      Not Applicable
  05/16/2025 05 PM PDT            5.53             58         0      Not Applicable
  05/16/2025 06 PM PDT            5.53             58         0      Not Applicable
  05/16/2025 07 PM PDT            5.53             58         0      Not Applicable
  05/16/2025 08 PM PDT            5.53             58         0      Not Applicable
  05/16/2025 09 PM PDT            5.53             58         0      Not Applicable
  05/16/2025 10 PM PDT            5.53             58         0      Not Applicable
  05/16/2025 11 PM PDT            5.53             58         0      Not Applicable
  05/17/2025 12 AM PDT            5.53             58         0      Not Applicable
  05/17/2025 01 AM PDT            5.53             58         0      Not Applicable
  05/17/2025 02 AM PDT            5.53             58         0      Not Applicable
  05/17/2025 03 AM PDT            5.52             57         -      Not Applicable
  05/17/2025 04 AM PDT            5.52             57         0      Not Applicable
  05/17/2025 05 AM PDT            5.52             57         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.