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: Jun 07 2026 at 6:44 AM PDTNext Issuance: Jun 08 2026 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:  06/07/2026 at 06:45 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/02/2026 at 01:00 PM PDT
# Maximum Observed Stage:                       4.93 Feet
# Maximum Observed Flow:                        30 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/07/2026 at 07:00 AM PDT
# Maximum Forecast Stage:                       4.83 Feet
# Maximum Forecast Flow:                        24 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/02/2026 06 AM PDT            4.93             30                Not Applicable
  06/02/2026 07 AM PDT            4.93             30         0      Not Applicable
  06/02/2026 08 AM PDT            4.93             30         0      Not Applicable
  06/02/2026 09 AM PDT            4.93             30         0      Not Applicable
  06/02/2026 10 AM PDT            4.93             30         0      Not Applicable
  06/02/2026 11 AM PDT            4.93             30         0      Not Applicable
  06/02/2026 12 PM PDT            4.93             30         0      Not Applicable
  06/02/2026 01 PM PDT            4.93             30         0      Not Applicable
  06/02/2026 02 PM PDT            4.92             29         -      Not Applicable
  06/02/2026 03 PM PDT            4.91             29         -      Not Applicable
  06/02/2026 04 PM PDT            4.91             29         0      Not Applicable
  06/02/2026 05 PM PDT            4.91             29         0      Not Applicable
  06/02/2026 06 PM PDT            4.91             29         0      Not Applicable
  06/02/2026 07 PM PDT            4.91             29         0      Not Applicable
  06/02/2026 08 PM PDT            4.91             29         0      Not Applicable
  06/02/2026 09 PM PDT            4.91             29         0      Not Applicable
  06/02/2026 10 PM PDT            4.92             29         +      Not Applicable
  06/02/2026 11 PM PDT            4.92             29         0      Not Applicable
  06/03/2026 12 AM PDT            4.92             29         0      Not Applicable
  06/03/2026 01 AM PDT            4.92             29         0      Not Applicable
  06/03/2026 02 AM PDT            4.92             29         0      Not Applicable
  06/03/2026 03 AM PDT            4.91             29         -      Not Applicable
  06/03/2026 04 AM PDT            4.91             29         0      Not Applicable
  06/03/2026 05 AM PDT            4.91             29         0      Not Applicable
  06/03/2026 06 AM PDT            4.91             29         0      Not Applicable
  06/03/2026 07 AM PDT            4.91             29         0      Not Applicable
  06/03/2026 08 AM PDT            4.91             29         0      Not Applicable
  06/03/2026 09 AM PDT            4.91             29         0      Not Applicable
  06/03/2026 10 AM PDT            4.91             29         0      Not Applicable
  06/03/2026 11 AM PDT            4.91             29         0      Not Applicable
  06/03/2026 12 PM PDT            4.90             28         -      Not Applicable
  06/03/2026 01 PM PDT            4.89             28         -      Not Applicable
  06/03/2026 02 PM PDT            4.89             28         0      Not Applicable
  06/03/2026 03 PM PDT            4.89             28         0      Not Applicable
  06/03/2026 04 PM PDT            4.89             28         0      Not Applicable
  06/03/2026 05 PM PDT            4.90             28         +      Not Applicable
  06/03/2026 06 PM PDT            4.90             28         0      Not Applicable
  06/03/2026 07 PM PDT            4.90             28         0      Not Applicable
  06/03/2026 08 PM PDT            4.90             28         0      Not Applicable
  06/03/2026 09 PM PDT            4.90             28         0      Not Applicable
  06/03/2026 10 PM PDT            4.90             28         0      Not Applicable
  06/03/2026 11 PM PDT            4.90             28         0      Not Applicable
  06/04/2026 12 AM PDT            4.90             28         0      Not Applicable
  06/04/2026 01 AM PDT            4.90             28         0      Not Applicable
  06/04/2026 02 AM PDT            4.89             28         -      Not Applicable
  06/04/2026 03 AM PDT            4.89             28         0      Not Applicable
  06/04/2026 04 AM PDT            4.89             28         0      Not Applicable
  06/04/2026 05 AM PDT            4.89             28         0      Not Applicable
  06/04/2026 06 AM PDT            4.89             28         0      Not Applicable
  06/04/2026 07 AM PDT            4.89             28         0      Not Applicable
  06/04/2026 08 AM PDT            4.89             28         0      Not Applicable
  06/04/2026 09 AM PDT            4.88             27         -      Not Applicable
  06/04/2026 10 AM PDT            4.88             27         0      Not Applicable
  06/04/2026 11 AM PDT            4.87             26         -      Not Applicable
  06/04/2026 12 PM PDT            4.87             26         0      Not Applicable
  06/04/2026 01 PM PDT            4.88             27         +      Not Applicable
  06/04/2026 02 PM PDT            4.88             27         0      Not Applicable
  06/04/2026 03 PM PDT            4.88             27         0      Not Applicable
  06/04/2026 04 PM PDT            4.88             27         0      Not Applicable
  06/04/2026 05 PM PDT            4.88             27         0      Not Applicable
  06/04/2026 06 PM PDT            4.88             27         0      Not Applicable
  06/04/2026 07 PM PDT            4.88             27         0      Not Applicable
  06/04/2026 08 PM PDT            4.88             27         0      Not Applicable
  06/04/2026 09 PM PDT            4.88             27         0      Not Applicable
  06/04/2026 10 PM PDT            4.88             27         0      Not Applicable
  06/04/2026 11 PM PDT            4.88             27         0      Not Applicable
  06/05/2026 12 AM PDT            4.87             26         -      Not Applicable
  06/05/2026 01 AM PDT            4.87             26         0      Not Applicable
  06/05/2026 02 AM PDT            4.87             26         0      Not Applicable
  06/05/2026 03 AM PDT            4.87             26         0      Not Applicable
  06/05/2026 04 AM PDT            4.87             26         0      Not Applicable
  06/05/2026 05 AM PDT            4.86             26         -      Not Applicable
  06/05/2026 06 AM PDT            4.85             25         -      Not Applicable
  06/05/2026 07 AM PDT            4.85             25         0      Not Applicable
  06/05/2026 08 AM PDT            4.85             25         0      Not Applicable
  06/05/2026 09 AM PDT            4.85             25         0      Not Applicable
  06/05/2026 10 AM PDT            4.84             25         -      Not Applicable
  06/05/2026 11 AM PDT            4.84             25         0      Not Applicable
  06/05/2026 12 PM PDT            4.85             25         +      Not Applicable
  06/05/2026 01 PM PDT            4.85             25         0      Not Applicable
  06/05/2026 02 PM PDT            4.85             25         0      Not Applicable
  06/05/2026 03 PM PDT            4.85             25         0      Not Applicable
  06/05/2026 04 PM PDT            4.85             25         0      Not Applicable
  06/05/2026 05 PM PDT            4.85             25         0      Not Applicable
  06/05/2026 06 PM PDT            4.85             25         0      Not Applicable
  06/05/2026 07 PM PDT            4.86             26         +      Not Applicable
  06/05/2026 08 PM PDT            4.85             25         -      Not Applicable
  06/05/2026 09 PM PDT            4.85             25         0      Not Applicable
  06/05/2026 10 PM PDT            4.84             25         -      Not Applicable
  06/05/2026 11 PM PDT            4.84             25         0      Not Applicable
  06/06/2026 12 AM PDT            4.84             25         0      Not Applicable
  06/06/2026 01 AM PDT            4.84             25         0      Not Applicable
  06/06/2026 02 AM PDT            4.85             25         +      Not Applicable
  06/06/2026 03 AM PDT            4.85             25         0      Not Applicable
  06/06/2026 04 AM PDT            4.85             25         0      Not Applicable
  06/06/2026 05 AM PDT            4.85             25         0      Not Applicable
  06/06/2026 06 AM PDT            4.85             25         0      Not Applicable
  06/06/2026 07 AM PDT            4.85             25         0      Not Applicable
  06/06/2026 08 AM PDT            4.85             25         0      Not Applicable
  06/06/2026 09 AM PDT            4.84             25         -      Not Applicable
  06/06/2026 10 AM PDT            4.84             25         0      Not Applicable
  06/06/2026 11 AM PDT            4.84             25         0      Not Applicable
  06/06/2026 12 PM PDT            4.83             24         -      Not Applicable
  06/06/2026 01 PM PDT            4.83             24         0      Not Applicable
  06/06/2026 02 PM PDT            4.83             24         0      Not Applicable
  06/06/2026 03 PM PDT            4.84             25         +      Not Applicable
  06/06/2026 04 PM PDT            4.84             25         0      Not Applicable
  06/06/2026 05 PM PDT            4.84             25         0      Not Applicable
  06/06/2026 06 PM PDT            4.84             25         0      Not Applicable
  06/06/2026 07 PM PDT            4.84             25         0      Not Applicable
  06/06/2026 08 PM PDT            4.84             25         0      Not Applicable
  06/06/2026 09 PM PDT            4.83             24         -      Not Applicable
  06/06/2026 10 PM PDT            4.83             24         0      Not Applicable
  06/06/2026 11 PM PDT            4.83             24         0      Not Applicable
  06/07/2026 12 AM PDT            4.82             23         -      Not Applicable
  06/07/2026 01 AM PDT            4.82             23         0      Not Applicable
  06/07/2026 02 AM PDT            4.82             23         0      Not Applicable
  06/07/2026 03 AM PDT            4.83             24         +      Not Applicable
  06/07/2026 04 AM PDT            4.83             24         0      Not Applicable
  06/07/2026 05 AM PDT            4.83             24         0      Not Applicable
  06/07/2026 06 AM PDT            4.83             24         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/07/2026 07 AM PDT            4.83             24                Not Applicable
  06/07/2026 08 AM PDT            4.83             24         0      Not Applicable
  06/07/2026 09 AM PDT            4.83             24         0      Not Applicable
  06/07/2026 10 AM PDT            4.83             24         0      Not Applicable
  06/07/2026 11 AM PDT            4.83             24         0      Not Applicable
  06/07/2026 12 PM PDT            4.83             24         0      Not Applicable
  06/07/2026 01 PM PDT            4.83             24         0      Not Applicable
  06/07/2026 02 PM PDT            4.83             24         0      Not Applicable
  06/07/2026 03 PM PDT            4.83             24         0      Not Applicable
  06/07/2026 04 PM PDT            4.83             24         0      Not Applicable
  06/07/2026 05 PM PDT            4.83             24         0      Not Applicable
  06/07/2026 06 PM PDT            4.83             24         0      Not Applicable
  06/07/2026 07 PM PDT            4.82             23         -      Not Applicable
  06/07/2026 08 PM PDT            4.82             23         0      Not Applicable
  06/07/2026 09 PM PDT            4.82             23         0      Not Applicable
  06/07/2026 10 PM PDT            4.82             23         0      Not Applicable
  06/07/2026 11 PM PDT            4.82             23         0      Not Applicable
  06/08/2026 12 AM PDT            4.82             23         0      Not Applicable
  06/08/2026 01 AM PDT            4.82             23         0      Not Applicable
  06/08/2026 02 AM PDT            4.82             23         0      Not Applicable
  06/08/2026 03 AM PDT            4.82             23         0      Not Applicable
  06/08/2026 04 AM PDT            4.82             23         0      Not Applicable
  06/08/2026 05 AM PDT            4.82             23         0      Not Applicable
  06/08/2026 06 AM PDT            4.82             23         0      Not Applicable
  06/08/2026 07 AM PDT            4.82             23         0      Not Applicable
  06/08/2026 08 AM PDT            4.82             23         0      Not Applicable
  06/08/2026 09 AM PDT            4.82             23         0      Not Applicable
  06/08/2026 10 AM PDT            4.82             23         0      Not Applicable
  06/08/2026 11 AM PDT            4.82             23         0      Not Applicable
  06/08/2026 12 PM PDT            4.82             23         0      Not Applicable
  06/08/2026 01 PM PDT            4.82             23         0      Not Applicable
  06/08/2026 02 PM PDT            4.82             23         0      Not Applicable
  06/08/2026 03 PM PDT            4.82             23         0      Not Applicable
  06/08/2026 04 PM PDT            4.82             23         0      Not Applicable
  06/08/2026 05 PM PDT            4.82             23         0      Not Applicable
  06/08/2026 06 PM PDT            4.82             23         0      Not Applicable
  06/08/2026 07 PM PDT            4.82             23         0      Not Applicable
  06/08/2026 08 PM PDT            4.82             23         0      Not Applicable
  06/08/2026 09 PM PDT            4.81             23         -      Not Applicable
  06/08/2026 10 PM PDT            4.81             23         0      Not Applicable
  06/08/2026 11 PM PDT            4.81             23         0      Not Applicable
  06/09/2026 12 AM PDT            4.82             23         +      Not Applicable
  06/09/2026 01 AM PDT            4.82             23         0      Not Applicable
  06/09/2026 02 AM PDT            4.82             23         0      Not Applicable
  06/09/2026 03 AM PDT            4.82             23         0      Not Applicable
  06/09/2026 04 AM PDT            4.82             23         0      Not Applicable
  06/09/2026 05 AM PDT            4.83             24         +      Not Applicable
  06/09/2026 06 AM PDT            4.83             24         0      Not Applicable
  06/09/2026 07 AM PDT            4.83             24         0      Not Applicable
  06/09/2026 08 AM PDT            4.83             24         0      Not Applicable
  06/09/2026 09 AM PDT            4.83             24         0      Not Applicable
  06/09/2026 10 AM PDT            4.83             24         0      Not Applicable
  06/09/2026 11 AM PDT            4.83             24         0      Not Applicable
  06/09/2026 12 PM PDT            4.83             24         0      Not Applicable
  06/09/2026 01 PM PDT            4.83             24         0      Not Applicable
  06/09/2026 02 PM PDT            4.83             24         0      Not Applicable
  06/09/2026 03 PM PDT            4.83             24         0      Not Applicable
  06/09/2026 04 PM PDT            4.82             23         -      Not Applicable
  06/09/2026 05 PM PDT            4.82             23         0      Not Applicable
  06/09/2026 06 PM PDT            4.82             23         0      Not Applicable
  06/09/2026 07 PM PDT            4.82             23         0      Not Applicable
  06/09/2026 08 PM PDT            4.82             23         0      Not Applicable
  06/09/2026 09 PM PDT            4.81             23         -      Not Applicable
  06/09/2026 10 PM PDT            4.81             23         0      Not Applicable
  06/09/2026 11 PM PDT            4.81             23         0      Not Applicable
  06/10/2026 12 AM PDT            4.81             23         0      Not Applicable
  06/10/2026 01 AM PDT            4.81             23         0      Not Applicable
  06/10/2026 02 AM PDT            4.81             23         0      Not Applicable
  06/10/2026 03 AM PDT            4.81             23         0      Not Applicable
  06/10/2026 04 AM PDT            4.81             23         0      Not Applicable
  06/10/2026 05 AM PDT            4.81             23         0      Not Applicable
  06/10/2026 06 AM PDT            4.80             22         -      Not Applicable
  06/10/2026 07 AM PDT            4.80             22         0      Not Applicable
  06/10/2026 08 AM PDT            4.80             22         0      Not Applicable
  06/10/2026 09 AM PDT            4.80             22         0      Not Applicable
  06/10/2026 10 AM PDT            4.80             22         0      Not Applicable
  06/10/2026 11 AM PDT            4.80             22         0      Not Applicable
  06/10/2026 12 PM PDT            4.80             22         0      Not Applicable
  06/10/2026 01 PM PDT            4.80             22         0      Not Applicable
  06/10/2026 02 PM PDT            4.80             22         0      Not Applicable
  06/10/2026 03 PM PDT            4.80             22         0      Not Applicable
  06/10/2026 04 PM PDT            4.80             22         0      Not Applicable
  06/10/2026 05 PM PDT            4.80             22         0      Not Applicable
  06/10/2026 06 PM PDT            4.80             22         0      Not Applicable
  06/10/2026 07 PM PDT            4.80             22         0      Not Applicable
  06/10/2026 08 PM PDT            4.80             22         0      Not Applicable
  06/10/2026 09 PM PDT            4.80             22         0      Not Applicable
  06/10/2026 10 PM PDT            4.80             22         0      Not Applicable
  06/10/2026 11 PM PDT            4.80             22         0      Not Applicable
  06/11/2026 12 AM PDT            4.80             22         0      Not Applicable
  06/11/2026 01 AM PDT            4.80             22         0      Not Applicable
  06/11/2026 02 AM PDT            4.79             22         -      Not Applicable
  06/11/2026 03 AM PDT            4.79             22         0      Not Applicable
  06/11/2026 04 AM PDT            4.79             22         0      Not Applicable
  06/11/2026 05 AM PDT            4.79             22         0      Not Applicable
  06/11/2026 06 AM PDT            4.79             22         0      Not Applicable
  06/11/2026 07 AM PDT            4.79             22         0      Not Applicable
  06/11/2026 08 AM PDT            4.79             22         0      Not Applicable
  06/11/2026 09 AM PDT            4.79             22         0      Not Applicable
  06/11/2026 10 AM PDT            4.79             22         0      Not Applicable
  06/11/2026 11 AM PDT            4.79             22         0      Not Applicable
  06/11/2026 12 PM PDT            4.79             22         0      Not Applicable
  06/11/2026 01 PM PDT            4.79             22         0      Not Applicable
  06/11/2026 02 PM PDT            4.79             22         0      Not Applicable
  06/11/2026 03 PM PDT            4.79             22         0      Not Applicable
  06/11/2026 04 PM PDT            4.79             22         0      Not Applicable
  06/11/2026 05 PM PDT            4.79             22         0      Not Applicable
  06/11/2026 06 PM PDT            4.79             22         0      Not Applicable
  06/11/2026 07 PM PDT            4.79             22         0      Not Applicable
  06/11/2026 08 PM PDT            4.79             22         0      Not Applicable
  06/11/2026 09 PM PDT            4.79             22         0      Not Applicable
  06/11/2026 10 PM PDT            4.79             22         0      Not Applicable
  06/11/2026 11 PM PDT            4.79             22         0      Not Applicable
  06/12/2026 12 AM PDT            4.79             22         0      Not Applicable
  06/12/2026 01 AM PDT            4.79             22         0      Not Applicable
  06/12/2026 02 AM PDT            4.79             22         0      Not Applicable
  06/12/2026 03 AM PDT            4.79             22         0      Not Applicable
  06/12/2026 04 AM PDT            4.78             21         -      Not Applicable
  06/12/2026 05 AM PDT            4.78             21         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.