National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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RUSSIAN RIVER - GUERNEVILLE (GUEC1)
Latitude: 38.50º NLongitude: 123.00º WElevation: 65 Feet
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Dec 25 2025 at 8:44 AM PSTNext Issuance: Dec 25 2025 at 3:00 PM PST
Action/Monitor: 29.0 FeetMinor Flood: 32.0 FeetModerate Flood: 35.0 FeetMajor Flood: 40.0 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Russian River - Guerneville (GUEC1)
#
# File Generation Time:  12/25/2025 at 08:44 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/22/2025 at 10:00 PM PST
# Maximum Observed Stage:                       21.94 Feet
#
# Earliest Date & Time of Maximum Forecast:     12/26/2025 at 08:00 AM PST
# Maximum Forecast Stage:                       22.03 Feet
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Trend     Observed Status
# ------------------------------------------------------------------
  12/20/2025 08 AM PST            5.57                        Normal
  12/20/2025 09 AM PST            5.57         0              Normal
  12/20/2025 10 AM PST            5.57         0              Normal
  12/20/2025 11 AM PST            5.57         0              Normal
  12/20/2025 12 PM PST            5.57         0              Normal
  12/20/2025 01 PM PST            5.56         -              Normal
  12/20/2025 02 PM PST            5.56         0              Normal
  12/20/2025 03 PM PST            5.56         0              Normal
  12/20/2025 04 PM PST            5.56         0              Normal
  12/20/2025 05 PM PST            5.56         0              Normal
  12/20/2025 06 PM PST            5.56         0              Normal
  12/20/2025 07 PM PST            5.56         0              Normal
  12/20/2025 08 PM PST            5.64         +              Normal
  12/20/2025 09 PM PST            5.73         +              Normal
  12/20/2025 10 PM PST            5.84         +              Normal
  12/20/2025 11 PM PST            5.99         +              Normal
  12/21/2025 12 AM PST            6.15         +              Normal
  12/21/2025 01 AM PST            6.32         +              Normal
  12/21/2025 02 AM PST            6.49         +              Normal
  12/21/2025 03 AM PST            6.64         +              Normal
  12/21/2025 04 AM PST            6.78         +              Normal
  12/21/2025 05 AM PST            6.89         +              Normal
  12/21/2025 06 AM PST            6.96         +              Normal
  12/21/2025 07 AM PST            7.04         +              Normal
  12/21/2025 08 AM PST            7.10         +              Normal
  12/21/2025 09 AM PST            7.15         +              Normal
  12/21/2025 10 AM PST            7.21         +              Normal
  12/21/2025 11 AM PST            7.30         +              Normal
  12/21/2025 12 PM PST            7.41         +              Normal
  12/21/2025 01 PM PST            7.59         +              Normal
  12/21/2025 02 PM PST            7.76         +              Normal
  12/21/2025 03 PM PST            7.96         +              Normal
  12/21/2025 04 PM PST            8.21         +              Normal
  12/21/2025 05 PM PST            8.54         +              Normal
  12/21/2025 06 PM PST            8.94         +              Normal
  12/21/2025 07 PM PST            9.42         +              Normal
  12/21/2025 08 PM PST            9.89         +              Normal
  12/21/2025 09 PM PST           10.40         +              Normal
  12/21/2025 10 PM PST           10.83         +              Normal
  12/21/2025 11 PM PST           11.24         +              Normal
  12/22/2025 12 AM PST           11.66         +              Normal
  12/22/2025 01 AM PST           12.13         +              Normal
  12/22/2025 02 AM PST           12.68         +              Normal
  12/22/2025 03 AM PST           13.31         +              Normal
  12/22/2025 04 AM PST           13.95         +              Normal
  12/22/2025 05 AM PST           14.59         +              Normal
  12/22/2025 06 AM PST           15.20         +              Normal
  12/22/2025 07 AM PST           15.82         +              Normal
  12/22/2025 08 AM PST           16.47         +              Normal
  12/22/2025 09 AM PST           17.15         +              Normal
  12/22/2025 10 AM PST           17.88         +              Normal
  12/22/2025 11 AM PST           18.60         +              Normal
  12/22/2025 12 PM PST           19.27         +              Normal
  12/22/2025 01 PM PST           19.86         +              Normal
  12/22/2025 02 PM PST           20.36         +              Normal
  12/22/2025 03 PM PST           20.79         +              Normal
  12/22/2025 04 PM PST           21.14         +              Normal
  12/22/2025 05 PM PST           21.43         +              Normal
  12/22/2025 06 PM PST           21.63         +              Normal
  12/22/2025 07 PM PST           21.78         +              Normal
  12/22/2025 08 PM PST           21.89         +              Normal
  12/22/2025 09 PM PST           21.93         +              Normal
  12/22/2025 10 PM PST           21.94         +              Normal
  12/22/2025 11 PM PST           21.92         -              Normal
  12/23/2025 12 AM PST           21.86         -              Normal
  12/23/2025 01 AM PST           21.77         -              Normal
  12/23/2025 02 AM PST           21.67         -              Normal
  12/23/2025 03 AM PST           21.52         -              Normal
  12/23/2025 04 AM PST           21.37         -              Normal
  12/23/2025 05 AM PST           21.22         -              Normal
  12/23/2025 06 AM PST           21.03         -              Normal
  12/23/2025 07 AM PST           20.83         -              Normal
  12/23/2025 08 AM PST           20.61         -              Normal
  12/23/2025 09 AM PST           20.36         -              Normal
  12/23/2025 10 AM PST           20.09         -              Normal
  12/23/2025 11 AM PST           19.80         -              Normal
  12/23/2025 12 PM PST           19.50         -              Normal
  12/23/2025 01 PM PST           19.19         -              Normal
  12/23/2025 02 PM PST           18.86         -              Normal
  12/23/2025 03 PM PST           18.52         -              Normal
  12/23/2025 04 PM PST           18.18         -              Normal
  12/23/2025 05 PM PST           17.82         -              Normal
  12/23/2025 06 PM PST           17.48         -              Normal
  12/23/2025 07 PM PST           17.14         -              Normal
  12/23/2025 08 PM PST           16.81         -              Normal
  12/23/2025 09 PM PST           16.49         -              Normal
  12/23/2025 10 PM PST           16.23         -              Normal
  12/23/2025 11 PM PST           15.96         -              Normal
  12/24/2025 12 AM PST           15.74         -              Normal
  12/24/2025 01 AM PST           15.53         -              Normal
  12/24/2025 02 AM PST           15.36         -              Normal
  12/24/2025 03 AM PST           15.21         -              Normal
  12/24/2025 04 AM PST           15.09         -              Normal
  12/24/2025 05 AM PST           14.99         -              Normal
  12/24/2025 06 AM PST           14.92         -              Normal
  12/24/2025 07 AM PST           14.86         -              Normal
  12/24/2025 08 AM PST           14.84         -              Normal
  12/24/2025 09 AM PST           14.84         0              Normal
  12/24/2025 10 AM PST           14.88         +              Normal
  12/24/2025 11 AM PST           14.94         +              Normal
  12/24/2025 12 PM PST           15.02         +              Normal
  12/24/2025 01 PM PST           15.14         +              Normal
  12/24/2025 02 PM PST           15.27         +              Normal
  12/24/2025 03 PM PST           15.44         +              Normal
  12/24/2025 04 PM PST           15.63         +              Normal
  12/24/2025 05 PM PST           15.82         +              Normal
  12/24/2025 06 PM PST           16.08         +              Normal
  12/24/2025 07 PM PST           16.40         +              Normal
  12/24/2025 08 PM PST           16.74         +              Normal
  12/24/2025 09 PM PST           17.12         +              Normal
  12/24/2025 10 PM PST           17.49         +              Normal
  12/24/2025 11 PM PST           17.90         +              Normal
  12/25/2025 12 AM PST           18.28         +              Normal
  12/25/2025 01 AM PST           18.63         +              Normal
  12/25/2025 02 AM PST           18.96         +              Normal
  12/25/2025 03 AM PST           19.34         +              Normal
  12/25/2025 04 AM PST           19.70         +              Normal
  12/25/2025 05 AM PST           19.93         +              Normal
  12/25/2025 06 AM PST           20.10         +              Normal
  12/25/2025 07 AM PST           20.18         +              Normal
  12/25/2025 08 AM PST           20.41         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Trend     Forecast Status
# ------------------------------------------------------------------
  12/25/2025 09 AM PST           20.56                        Normal
  12/25/2025 10 AM PST           20.69         +              Normal
  12/25/2025 11 AM PST           20.81         +              Normal
  12/25/2025 12 PM PST           20.95         +              Normal
  12/25/2025 01 PM PST           21.10         +              Normal
  12/25/2025 02 PM PST           21.28         +              Normal
  12/25/2025 03 PM PST           21.45         +              Normal
  12/25/2025 04 PM PST           21.60         +              Normal
  12/25/2025 05 PM PST           21.72         +              Normal
  12/25/2025 06 PM PST           21.79         +              Normal
  12/25/2025 07 PM PST           21.84         +              Normal
  12/25/2025 08 PM PST           21.88         +              Normal
  12/25/2025 09 PM PST           21.90         +              Normal
  12/25/2025 10 PM PST           21.91         +              Normal
  12/25/2025 11 PM PST           21.92         +              Normal
  12/26/2025 12 AM PST           21.94         +              Normal
  12/26/2025 01 AM PST           21.95         +              Normal
  12/26/2025 02 AM PST           21.96         +              Normal
  12/26/2025 03 AM PST           21.98         +              Normal
  12/26/2025 04 AM PST           21.99         +              Normal
  12/26/2025 05 AM PST           22.00         +              Normal
  12/26/2025 06 AM PST           22.02         +              Normal
  12/26/2025 07 AM PST           22.02         0              Normal
  12/26/2025 08 AM PST           22.03         +              Normal
  12/26/2025 09 AM PST           22.03         0              Normal
  12/26/2025 10 AM PST           22.03         0              Normal
  12/26/2025 11 AM PST           22.03         0              Normal
  12/26/2025 12 PM PST           22.02         -              Normal
  12/26/2025 01 PM PST           22.01         -              Normal
  12/26/2025 02 PM PST           22.00         -              Normal
  12/26/2025 03 PM PST           21.98         -              Normal
  12/26/2025 04 PM PST           21.95         -              Normal
  12/26/2025 05 PM PST           21.92         -              Normal
  12/26/2025 06 PM PST           21.89         -              Normal
  12/26/2025 07 PM PST           21.85         -              Normal
  12/26/2025 08 PM PST           21.81         -              Normal
  12/26/2025 09 PM PST           21.77         -              Normal
  12/26/2025 10 PM PST           21.73         -              Normal
  12/26/2025 11 PM PST           21.69         -              Normal
  12/27/2025 12 AM PST           21.64         -              Normal
  12/27/2025 01 AM PST           21.59         -              Normal
  12/27/2025 02 AM PST           21.53         -              Normal
  12/27/2025 03 AM PST           21.47         -              Normal
  12/27/2025 04 AM PST           21.39         -              Normal
  12/27/2025 05 AM PST           21.31         -              Normal
  12/27/2025 06 AM PST           21.22         -              Normal
  12/27/2025 07 AM PST           21.11         -              Normal
  12/27/2025 08 AM PST           20.99         -              Normal
  12/27/2025 09 AM PST           20.86         -              Normal
  12/27/2025 10 AM PST           20.71         -              Normal
  12/27/2025 11 AM PST           20.56         -              Normal
  12/27/2025 12 PM PST           20.40         -              Normal
  12/27/2025 01 PM PST           20.24         -              Normal
  12/27/2025 02 PM PST           20.07         -              Normal
  12/27/2025 03 PM PST           19.89         -              Normal
  12/27/2025 04 PM PST           19.71         -              Normal
  12/27/2025 05 PM PST           19.51         -              Normal
  12/27/2025 06 PM PST           19.30         -              Normal
  12/27/2025 07 PM PST           19.08         -              Normal
  12/27/2025 08 PM PST           18.86         -              Normal
  12/27/2025 09 PM PST           18.64         -              Normal
  12/27/2025 10 PM PST           18.41         -              Normal
  12/27/2025 11 PM PST           18.17         -              Normal
  12/28/2025 12 AM PST           17.93         -              Normal
  12/28/2025 01 AM PST           17.66         -              Normal
  12/28/2025 02 AM PST           17.41         -              Normal
  12/28/2025 03 AM PST           17.15         -              Normal
  12/28/2025 04 AM PST           16.93         -              Normal
  12/28/2025 05 AM PST           16.70         -              Normal
  12/28/2025 06 AM PST           16.48         -              Normal
  12/28/2025 07 AM PST           16.26         -              Normal
  12/28/2025 08 AM PST           16.03         -              Normal
  12/28/2025 09 AM PST           15.80         -              Normal
  12/28/2025 10 AM PST           15.58         -              Normal
  12/28/2025 11 AM PST           15.37         -              Normal
  12/28/2025 12 PM PST           15.16         -              Normal
  12/28/2025 01 PM PST           14.96         -              Normal
  12/28/2025 02 PM PST           14.77         -              Normal
  12/28/2025 03 PM PST           14.59         -              Normal
  12/28/2025 04 PM PST           14.40         -              Normal
  12/28/2025 05 PM PST           14.22         -              Normal
  12/28/2025 06 PM PST           14.03         -              Normal
  12/28/2025 07 PM PST           13.84         -              Normal
  12/28/2025 08 PM PST           13.66         -              Normal
  12/28/2025 09 PM PST           13.49         -              Normal
  12/28/2025 10 PM PST           13.33         -              Normal
  12/28/2025 11 PM PST           13.17         -              Normal
  12/29/2025 12 AM PST           13.02         -              Normal
  12/29/2025 01 AM PST           12.88         -              Normal
  12/29/2025 02 AM PST           12.74         -              Normal
  12/29/2025 03 AM PST           12.61         -              Normal
  12/29/2025 04 AM PST           12.48         -              Normal
  12/29/2025 05 AM PST           12.35         -              Normal
  12/29/2025 06 AM PST           12.23         -              Normal
  12/29/2025 07 AM PST           12.12         -              Normal
  12/29/2025 08 AM PST           12.01         -              Normal
  12/29/2025 09 AM PST           11.90         -              Normal
  12/29/2025 10 AM PST           11.79         -              Normal
  12/29/2025 11 AM PST           11.68         -              Normal
  12/29/2025 12 PM PST           11.57         -              Normal
  12/29/2025 01 PM PST           11.47         -              Normal
  12/29/2025 02 PM PST           11.37         -              Normal
  12/29/2025 03 PM PST           11.27         -              Normal
  12/29/2025 04 PM PST           11.18         -              Normal
  12/29/2025 05 PM PST           11.10         -              Normal
  12/29/2025 06 PM PST           11.01         -              Normal
  12/29/2025 07 PM PST           10.93         -              Normal
  12/29/2025 08 PM PST           10.86         -              Normal
  12/29/2025 09 PM PST           10.79         -              Normal
  12/29/2025 10 PM PST           10.73         -              Normal
  12/29/2025 11 PM PST           10.67         -              Normal
  12/30/2025 12 AM PST           10.61         -              Normal
  12/30/2025 01 AM PST           10.55         -              Normal
  12/30/2025 02 AM PST           10.50         -              Normal
  12/30/2025 03 AM PST           10.44         -              Normal
  12/30/2025 04 AM PST           10.39         -              Normal
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Trends are determined using hourly change in unrounded stage.
# NOTE 3: Maximum Values are determined using unrounded stage.