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 15 2026 at 9:08 AM PSTNext Issuance: Nov 16 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:  11/15/2026 at 09:09 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/14/2026 at 02:00 PM PST
# Maximum Observed Stage:                       5.07 Feet
# Maximum Observed Flow:                        29 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/18/2026 at 04:00 PM PST
# Maximum Forecast Stage:                       10.66 Feet
# Maximum Forecast Flow:                        1844 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/10/2026 09 AM PST            4.59              1                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
  11/11/2026 08 AM PST            4.59              1         0      Not Applicable
  11/11/2026 09 AM PST            4.59              1         0      Not Applicable
  11/11/2026 10 AM PST            4.59              1         0      Not Applicable
  11/11/2026 11 AM PST            4.59              1         0      Not Applicable
  11/11/2026 12 PM PST            4.59              1         0      Not Applicable
  11/11/2026 01 PM PST            4.59              1         0      Not Applicable
  11/11/2026 02 PM PST            4.59              1         0      Not Applicable
  11/11/2026 03 PM PST            4.60              2         +      Not Applicable
  11/11/2026 04 PM PST            4.60              2         0      Not Applicable
  11/11/2026 05 PM PST            4.60              2         0      Not Applicable
  11/11/2026 06 PM PST            4.60              2         0      Not Applicable
  11/11/2026 07 PM PST            4.60              2         0      Not Applicable
  11/11/2026 08 PM PST            4.60              2         0      Not Applicable
  11/11/2026 09 PM PST            4.60              2         0      Not Applicable
  11/11/2026 10 PM PST            4.60              2         0      Not Applicable
  11/11/2026 11 PM PST            4.60              2         0      Not Applicable
  11/12/2026 12 AM PST            4.60              2         0      Not Applicable
  11/12/2026 01 AM PST            4.60              2         0      Not Applicable
  11/12/2026 02 AM PST            4.60              2         0      Not Applicable
  11/12/2026 03 AM PST            4.60              2         0      Not Applicable
  11/12/2026 04 AM PST            4.60              2         0      Not Applicable
  11/12/2026 05 AM PST            4.60              2         0      Not Applicable
  11/12/2026 06 AM PST            4.60              2         0      Not Applicable
  11/12/2026 07 AM PST            4.60              2         0      Not Applicable
  11/12/2026 08 AM PST            4.60              2         0      Not Applicable
  11/12/2026 09 AM PST            4.60              2         0      Not Applicable
  11/12/2026 10 AM PST            4.60              2         0      Not Applicable
  11/12/2026 11 AM PST            4.60              2         0      Not Applicable
  11/12/2026 12 PM PST            4.60              2         0      Not Applicable
  11/12/2026 01 PM PST            4.60              2         0      Not Applicable
  11/12/2026 02 PM PST            4.60              2         0      Not Applicable
  11/12/2026 03 PM PST            4.60              2         0      Not Applicable
  11/12/2026 04 PM PST            4.60              2         0      Not Applicable
  11/12/2026 05 PM PST            4.61              2         +      Not Applicable
  11/12/2026 06 PM PST            4.61              2         0      Not Applicable
  11/12/2026 07 PM PST            4.61              2         0      Not Applicable
  11/12/2026 08 PM PST            4.61              2         0      Not Applicable
  11/12/2026 09 PM PST            4.61              2         0      Not Applicable
  11/12/2026 10 PM PST            4.61              2         0      Not Applicable
  11/12/2026 11 PM PST            4.61              2         0      Not Applicable
  11/13/2026 12 AM PST            4.61              2         0      Not Applicable
  11/13/2026 01 AM PST            4.61              2         0      Not Applicable
  11/13/2026 02 AM PST            4.61              2         0      Not Applicable
  11/13/2026 03 AM PST            4.61              2         0      Not Applicable
  11/13/2026 04 AM PST            4.61              2         0      Not Applicable
  11/13/2026 05 AM PST            4.61              2         0      Not Applicable
  11/13/2026 06 AM PST            4.61              2         0      Not Applicable
  11/13/2026 07 AM PST            4.62              2         +      Not Applicable
  11/13/2026 08 AM PST            4.63              2         +      Not Applicable
  11/13/2026 09 AM PST            4.66              3         +      Not Applicable
  11/13/2026 10 AM PST            4.66              3         0      Not Applicable
  11/13/2026 11 AM PST            4.66              3         0      Not Applicable
  11/13/2026 12 PM PST            4.65              2         -      Not Applicable
  11/13/2026 01 PM PST            4.65              2         0      Not Applicable
  11/13/2026 02 PM PST            4.66              3         +      Not Applicable
  11/13/2026 03 PM PST            4.67              3         +      Not Applicable
  11/13/2026 04 PM PST            4.68              3         +      Not Applicable
  11/13/2026 05 PM PST            4.69              3         +      Not Applicable
  11/13/2026 06 PM PST            4.70              3         +      Not Applicable
  11/13/2026 07 PM PST            4.70              3         0      Not Applicable
  11/13/2026 08 PM PST            4.71              4         +      Not Applicable
  11/13/2026 09 PM PST            4.71              4         0      Not Applicable
  11/13/2026 10 PM PST            4.71              4         0      Not Applicable
  11/13/2026 11 PM PST            4.72              4         +      Not Applicable
  11/14/2026 12 AM PST            4.72              4         0      Not Applicable
  11/14/2026 01 AM PST            4.75              5         +      Not Applicable
  11/14/2026 02 AM PST            4.78              6         +      Not Applicable
  11/14/2026 03 AM PST            4.80              7         +      Not Applicable
  11/14/2026 04 AM PST            4.82              9         +      Not Applicable
  11/14/2026 05 AM PST            4.85             10         +      Not Applicable
  11/14/2026 06 AM PST            4.86             11         +      Not Applicable
  11/14/2026 07 AM PST            4.88             12         +      Not Applicable
  11/14/2026 08 AM PST            4.91             14         +      Not Applicable
  11/14/2026 09 AM PST            4.94             17         +      Not Applicable
  11/14/2026 10 AM PST            4.99             21         +      Not Applicable
  11/14/2026 11 AM PST            5.04             25         +      Not Applicable
  11/14/2026 12 PM PST            5.06             28         +      Not Applicable
  11/14/2026 01 PM PST            5.07             29         +      Not Applicable
  11/14/2026 02 PM PST            5.07             29         0      Not Applicable
  11/14/2026 03 PM PST            5.06             28         -      Not Applicable
  11/14/2026 04 PM PST            5.06             28         0      Not Applicable
  11/14/2026 05 PM PST            5.05             26         -      Not Applicable
  11/14/2026 06 PM PST            5.04             25         -      Not Applicable
  11/14/2026 07 PM PST            5.03             24         -      Not Applicable
  11/14/2026 08 PM PST            5.02             24         -      Not Applicable
  11/14/2026 09 PM PST            5.02             24         0      Not Applicable
  11/14/2026 10 PM PST            5.01             23         -      Not Applicable
  11/14/2026 11 PM PST            5.00             22         -      Not Applicable
  11/15/2026 12 AM PST            4.99             21         -      Not Applicable
  11/15/2026 01 AM PST            4.98             20         -      Not Applicable
  11/15/2026 02 AM PST            4.97             19         -      Not Applicable
  11/15/2026 03 AM PST            4.96             18         -      Not Applicable
  11/15/2026 04 AM PST            4.95             17         -      Not Applicable
  11/15/2026 05 AM PST            4.94             17         -      Not Applicable
  11/15/2026 06 AM PST            4.94             17         0      Not Applicable
  11/15/2026 07 AM PST            4.96             18         +      Not Applicable
  11/15/2026 08 AM PST            4.95             17         -      Not Applicable
  11/15/2026 09 AM PST            4.95             17         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/15/2026 10 AM PST            4.95             17                Not Applicable
  11/15/2026 11 AM PST            4.97             19         +      Not Applicable
  11/15/2026 12 PM PST            5.00             22         +      Not Applicable
  11/15/2026 01 PM PST            5.04             25         +      Not Applicable
  11/15/2026 02 PM PST            5.10             32         +      Not Applicable
  11/15/2026 03 PM PST            5.16             39         +      Not Applicable
  11/15/2026 04 PM PST            5.22             46         +      Not Applicable
  11/15/2026 05 PM PST            5.32             55         +      Not Applicable
  11/15/2026 06 PM PST            5.41             64         +      Not Applicable
  11/15/2026 07 PM PST            5.50             73         +      Not Applicable
  11/15/2026 08 PM PST            5.59             84         +      Not Applicable
  11/15/2026 09 PM PST            5.67             93         +      Not Applicable
  11/15/2026 10 PM PST            5.74            102         +      Not Applicable
  11/15/2026 11 PM PST            5.78            108         +      Not Applicable
  11/16/2026 12 AM PST            5.81            112         +      Not Applicable
  11/16/2026 01 AM PST            5.81            112         0      Not Applicable
  11/16/2026 02 AM PST            5.79            109         -      Not Applicable
  11/16/2026 03 AM PST            5.76            105         -      Not Applicable
  11/16/2026 04 AM PST            5.71             99         -      Not Applicable
  11/16/2026 05 AM PST            5.66             92         -      Not Applicable
  11/16/2026 06 AM PST            5.60             85         -      Not Applicable
  11/16/2026 07 AM PST            5.54             78         -      Not Applicable
  11/16/2026 08 AM PST            5.49             72         -      Not Applicable
  11/16/2026 09 AM PST            5.43             66         -      Not Applicable
  11/16/2026 10 AM PST            5.38             61         -      Not Applicable
  11/16/2026 11 AM PST            5.33             56         -      Not Applicable
  11/16/2026 12 PM PST            5.28             51         -      Not Applicable
  11/16/2026 01 PM PST            5.24             47         -      Not Applicable
  11/16/2026 02 PM PST            5.20             44         -      Not Applicable
  11/16/2026 03 PM PST            5.18             41         -      Not Applicable
  11/16/2026 04 PM PST            5.16             39         -      Not Applicable
  11/16/2026 05 PM PST            5.14             36         -      Not Applicable
  11/16/2026 06 PM PST            5.13             35         -      Not Applicable
  11/16/2026 07 PM PST            5.11             33         -      Not Applicable
  11/16/2026 08 PM PST            5.10             32         -      Not Applicable
  11/16/2026 09 PM PST            5.09             31         -      Not Applicable
  11/16/2026 10 PM PST            5.08             30         -      Not Applicable
  11/16/2026 11 PM PST            5.07             29         -      Not Applicable
  11/17/2026 12 AM PST            5.06             28         -      Not Applicable
  11/17/2026 01 AM PST            5.06             28         0      Not Applicable
  11/17/2026 02 AM PST            5.05             26         -      Not Applicable
  11/17/2026 03 AM PST            5.04             25         -      Not Applicable
  11/17/2026 04 AM PST            5.04             25         0      Not Applicable
  11/17/2026 05 AM PST            5.03             24         -      Not Applicable
  11/17/2026 06 AM PST            5.03             24         0      Not Applicable
  11/17/2026 07 AM PST            5.02             24         -      Not Applicable
  11/17/2026 08 AM PST            5.02             24         0      Not Applicable
  11/17/2026 09 AM PST            5.01             23         -      Not Applicable
  11/17/2026 10 AM PST            5.01             23         0      Not Applicable
  11/17/2026 11 AM PST            5.01             23         0      Not Applicable
  11/17/2026 12 PM PST            5.00             22         -      Not Applicable
  11/17/2026 01 PM PST            5.00             22         0      Not Applicable
  11/17/2026 02 PM PST            5.00             22         0      Not Applicable
  11/17/2026 03 PM PST            5.00             22         0      Not Applicable
  11/17/2026 04 PM PST            4.99             21         -      Not Applicable
  11/17/2026 05 PM PST            4.99             21         0      Not Applicable
  11/17/2026 06 PM PST            4.99             21         0      Not Applicable
  11/17/2026 07 PM PST            4.99             21         0      Not Applicable
  11/17/2026 08 PM PST            4.98             20         -      Not Applicable
  11/17/2026 09 PM PST            4.98             20         0      Not Applicable
  11/17/2026 10 PM PST            4.98             20         0      Not Applicable
  11/17/2026 11 PM PST            4.98             20         0      Not Applicable
  11/18/2026 12 AM PST            4.98             20         0      Not Applicable
  11/18/2026 01 AM PST            4.98             20         0      Not Applicable
  11/18/2026 02 AM PST            5.00             22         +      Not Applicable
  11/18/2026 03 AM PST            5.05             26         +      Not Applicable
  11/18/2026 04 AM PST            5.16             39         +      Not Applicable
  11/18/2026 05 AM PST            5.46             69         +      Not Applicable
  11/18/2026 06 AM PST            5.99            138         +      Not Applicable
  11/18/2026 07 AM PST            6.59            248         +      Not Applicable
  11/18/2026 08 AM PST            7.25            400         +      Not Applicable
  11/18/2026 09 AM PST            7.78            581         +      Not Applicable
  11/18/2026 10 AM PST            8.35            801         +      Not Applicable
  11/18/2026 11 AM PST            8.88           1021         +      Not Applicable
  11/18/2026 12 PM PST            9.42           1258         +      Not Applicable
  11/18/2026 01 PM PST            9.88           1469         +      Not Applicable
  11/18/2026 02 PM PST           10.32           1678         +      Not Applicable
  11/18/2026 03 PM PST           10.59           1810         +      Not Applicable
  11/18/2026 04 PM PST           10.66           1844         +      Not Applicable
  11/18/2026 05 PM PST           10.57           1800         -      Not Applicable
  11/18/2026 06 PM PST           10.39           1712         -      Not Applicable
  11/18/2026 07 PM PST           10.15           1596         -      Not Applicable
  11/18/2026 08 PM PST            9.90           1478         -      Not Applicable
  11/18/2026 09 PM PST            9.71           1390         -      Not Applicable
  11/18/2026 10 PM PST            9.56           1321         -      Not Applicable
  11/18/2026 11 PM PST            9.44           1267         -      Not Applicable
  11/19/2026 12 AM PST            9.34           1222         -      Not Applicable
  11/19/2026 01 AM PST            9.28           1195         -      Not Applicable
  11/19/2026 02 AM PST            9.26           1186         -      Not Applicable
  11/19/2026 03 AM PST            9.29           1200         +      Not Applicable
  11/19/2026 04 AM PST            9.36           1231         +      Not Applicable
  11/19/2026 05 AM PST            9.49           1290         +      Not Applicable
  11/19/2026 06 AM PST            9.64           1358         +      Not Applicable
  11/19/2026 07 AM PST            9.81           1436         +      Not Applicable
  11/19/2026 08 AM PST            9.98           1516         +      Not Applicable
  11/19/2026 09 AM PST           10.16           1601         +      Not Applicable
  11/19/2026 10 AM PST           10.29           1664         +      Not Applicable
  11/19/2026 11 AM PST           10.38           1707         +      Not Applicable
  11/19/2026 12 PM PST           10.45           1741         +      Not Applicable
  11/19/2026 01 PM PST           10.48           1756         +      Not Applicable
  11/19/2026 02 PM PST           10.47           1751         -      Not Applicable
  11/19/2026 03 PM PST           10.42           1727         -      Not Applicable
  11/19/2026 04 PM PST           10.30           1668         -      Not Applicable
  11/19/2026 05 PM PST           10.13           1587         -      Not Applicable
  11/19/2026 06 PM PST            9.93           1492         -      Not Applicable
  11/19/2026 07 PM PST            9.75           1408         -      Not Applicable
  11/19/2026 08 PM PST            9.53           1308         -      Not Applicable
  11/19/2026 09 PM PST            9.31           1209         -      Not Applicable
  11/19/2026 10 PM PST            9.08           1107         -      Not Applicable
  11/19/2026 11 PM PST            8.84           1004         -      Not Applicable
  11/20/2026 12 AM PST            8.63            916         -      Not Applicable
  11/20/2026 01 AM PST            8.40            821         -      Not Applicable
  11/20/2026 02 AM PST            8.18            734         -      Not Applicable
  11/20/2026 03 AM PST            7.96            648         -      Not Applicable
  11/20/2026 04 AM PST            7.75            570         -      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.