RUSSIAN RIVER - GUERNEVILLE (GUEC1)
Latitude: 38.50º NLongitude: 123.00º WElevation: 65 FeetForecast Type: Official Location
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Apr 11 2026 at 8:32 AM PDTNext Issuance: Apr 12 2026 at 9:00 AM PDT
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:  04/11/2026 at 08:32 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/11/2026 at 08:00 AM PDT
# Maximum Observed Stage:                       5.76 Feet
#
# Earliest Date & Time of Maximum Forecast:     04/12/2026 at 11:00 PM PDT
# Maximum Forecast Stage:                       8.73 Feet
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Trend     Observed Status
# ------------------------------------------------------------------
  04/06/2026 08 AM PDT            5.60                        Normal
  04/06/2026 09 AM PDT            5.60         0              Normal
  04/06/2026 10 AM PDT            5.60         0              Normal
  04/06/2026 11 AM PDT            5.60         0              Normal
  04/06/2026 12 PM PDT            5.60         0              Normal
  04/06/2026 01 PM PDT            5.60         0              Normal
  04/06/2026 02 PM PDT            5.60         0              Normal
  04/06/2026 03 PM PDT            5.60         0              Normal
  04/06/2026 04 PM PDT            5.60         0              Normal
  04/06/2026 05 PM PDT            5.60         0              Normal
  04/06/2026 06 PM PDT            5.60         0              Normal
  04/06/2026 07 PM PDT            5.60         0              Normal
  04/06/2026 08 PM PDT            5.60         0              Normal
  04/06/2026 09 PM PDT            5.60         0              Normal
  04/06/2026 10 PM PDT            5.60         0              Normal
  04/06/2026 11 PM PDT            5.60         0              Normal
  04/07/2026 12 AM PDT            5.60         0              Normal
  04/07/2026 01 AM PDT            5.60         0              Normal
  04/07/2026 02 AM PDT            5.60         0              Normal
  04/07/2026 03 AM PDT            5.60         0              Normal
  04/07/2026 04 AM PDT            5.60         0              Normal
  04/07/2026 05 AM PDT            5.60         0              Normal
  04/07/2026 06 AM PDT            5.60         0              Normal
  04/07/2026 07 AM PDT            5.60         0              Normal
  04/07/2026 08 AM PDT            5.60         0              Normal
  04/07/2026 09 AM PDT            5.60         0              Normal
  04/07/2026 10 AM PDT            5.60         0              Normal
  04/07/2026 11 AM PDT            5.60         0              Normal
  04/07/2026 12 PM PDT            5.60         0              Normal
  04/07/2026 01 PM PDT            5.60         0              Normal
  04/07/2026 02 PM PDT            5.60         0              Normal
  04/07/2026 03 PM PDT            5.60         0              Normal
  04/07/2026 04 PM PDT            5.60         0              Normal
  04/07/2026 05 PM PDT            5.60         0              Normal
  04/07/2026 06 PM PDT            5.60         0              Normal
  04/07/2026 07 PM PDT            5.60         0              Normal
  04/07/2026 08 PM PDT            5.60         0              Normal
  04/07/2026 09 PM PDT            5.60         0              Normal
  04/07/2026 10 PM PDT            5.60         0              Normal
  04/07/2026 11 PM PDT            5.60         0              Normal
  04/08/2026 12 AM PDT            5.60         0              Normal
  04/08/2026 01 AM PDT            5.60         0              Normal
  04/08/2026 02 AM PDT            5.60         0              Normal
  04/08/2026 03 AM PDT            5.60         0              Normal
  04/08/2026 04 AM PDT            5.60         0              Normal
  04/08/2026 05 AM PDT            5.60         0              Normal
  04/08/2026 06 AM PDT            5.60         0              Normal
  04/08/2026 07 AM PDT            5.60         0              Normal
  04/08/2026 08 AM PDT            5.60         0              Normal
  04/08/2026 09 AM PDT            5.60         0              Normal
  04/08/2026 10 AM PDT            5.60         0              Normal
  04/08/2026 11 AM PDT            5.60         0              Normal
  04/08/2026 12 PM PDT            5.60         0              Normal
  04/08/2026 01 PM PDT            5.60         0              Normal
  04/08/2026 02 PM PDT            5.60         0              Normal
  04/08/2026 03 PM PDT            5.60         0              Normal
  04/08/2026 04 PM PDT            5.60         0              Normal
  04/08/2026 05 PM PDT            5.60         0              Normal
  04/08/2026 06 PM PDT            5.60         0              Normal
  04/08/2026 07 PM PDT            5.60         0              Normal
  04/08/2026 08 PM PDT            5.60         0              Normal
  04/08/2026 09 PM PDT            5.60         0              Normal
  04/08/2026 10 PM PDT            5.60         0              Normal
  04/08/2026 11 PM PDT            5.60         0              Normal
  04/09/2026 12 AM PDT            5.60         0              Normal
  04/09/2026 01 AM PDT            5.60         0              Normal
  04/09/2026 02 AM PDT            5.60         0              Normal
  04/09/2026 03 AM PDT            5.60         0              Normal
  04/09/2026 04 AM PDT            5.60         0              Normal
  04/09/2026 05 AM PDT            5.60         0              Normal
  04/09/2026 06 AM PDT            5.60         0              Normal
  04/09/2026 07 AM PDT            5.60         0              Normal
  04/09/2026 08 AM PDT            5.60         0              Normal
  04/09/2026 09 AM PDT            5.60         0              Normal
  04/09/2026 10 AM PDT            5.60         0              Normal
  04/09/2026 11 AM PDT            5.60         0              Normal
  04/09/2026 12 PM PDT            5.60         0              Normal
  04/09/2026 01 PM PDT            5.60         0              Normal
  04/09/2026 02 PM PDT            5.60         0              Normal
  04/09/2026 03 PM PDT            5.60         0              Normal
  04/09/2026 04 PM PDT            5.60         0              Normal
  04/09/2026 05 PM PDT            5.60         0              Normal
  04/09/2026 06 PM PDT            5.60         0              Normal
  04/09/2026 07 PM PDT            5.60         0              Normal
  04/09/2026 08 PM PDT            5.60         0              Normal
  04/09/2026 09 PM PDT            5.60         0              Normal
  04/09/2026 10 PM PDT            5.60         0              Normal
  04/09/2026 11 PM PDT            5.60         0              Normal
  04/10/2026 12 AM PDT            5.60         0              Normal
  04/10/2026 01 AM PDT            5.60         0              Normal
  04/10/2026 02 AM PDT            5.60         0              Normal
  04/10/2026 03 AM PDT            5.60         0              Normal
  04/10/2026 04 AM PDT            5.60         0              Normal
  04/10/2026 05 AM PDT            5.60         0              Normal
  04/10/2026 06 AM PDT            5.60         0              Normal
  04/10/2026 07 AM PDT            5.60         0              Normal
  04/10/2026 08 AM PDT            5.60         0              Normal
  04/10/2026 09 AM PDT            5.60         0              Normal
  04/10/2026 10 AM PDT            5.60         0              Normal
  04/10/2026 11 AM PDT            5.60         0              Normal
  04/10/2026 12 PM PDT            5.60         0              Normal
  04/10/2026 01 PM PDT            5.60         0              Normal
  04/10/2026 02 PM PDT            5.60         0              Normal
  04/10/2026 03 PM PDT            5.60         0              Normal
  04/10/2026 04 PM PDT            5.60         0              Normal
  04/10/2026 05 PM PDT            5.60         0              Normal
  04/10/2026 06 PM PDT            5.60         0              Normal
  04/10/2026 07 PM PDT            5.60         0              Normal
  04/10/2026 08 PM PDT            5.60         0              Normal
  04/10/2026 09 PM PDT            5.60         0              Normal
  04/10/2026 10 PM PDT            5.60         0              Normal
  04/10/2026 11 PM PDT            5.60         0              Normal
  04/11/2026 12 AM PDT            5.60         0              Normal
  04/11/2026 01 AM PDT            5.60         0              Normal
  04/11/2026 02 AM PDT            5.60         0              Normal
  04/11/2026 03 AM PDT            5.60         0              Normal
  04/11/2026 04 AM PDT            5.60         0              Normal
  04/11/2026 05 AM PDT            5.60         0              Normal
  04/11/2026 06 AM PDT            5.60         0              Normal
  04/11/2026 07 AM PDT            5.62         +              Normal
  04/11/2026 08 AM PDT            5.76         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Trend     Forecast Status
# ------------------------------------------------------------------
  04/11/2026 09 AM PDT            5.85                        Normal
  04/11/2026 10 AM PDT            5.87         +              Normal
  04/11/2026 11 AM PDT            5.93         +              Normal
  04/11/2026 12 PM PDT            6.00         +              Normal
  04/11/2026 01 PM PDT            6.04         +              Normal
  04/11/2026 02 PM PDT            6.06         +              Normal
  04/11/2026 03 PM PDT            6.07         +              Normal
  04/11/2026 04 PM PDT            6.06         -              Normal
  04/11/2026 05 PM PDT            6.04         -              Normal
  04/11/2026 06 PM PDT            6.03         -              Normal
  04/11/2026 07 PM PDT            6.01         -              Normal
  04/11/2026 08 PM PDT            6.00         -              Normal
  04/11/2026 09 PM PDT            5.98         -              Normal
  04/11/2026 10 PM PDT            5.97         -              Normal
  04/11/2026 11 PM PDT            5.96         -              Normal
  04/12/2026 12 AM PDT            5.95         -              Normal
  04/12/2026 01 AM PDT            5.95         0              Normal
  04/12/2026 02 AM PDT            5.97         +              Normal
  04/12/2026 03 AM PDT            6.00         +              Normal
  04/12/2026 04 AM PDT            6.04         +              Normal
  04/12/2026 05 AM PDT            6.10         +              Normal
  04/12/2026 06 AM PDT            6.18         +              Normal
  04/12/2026 07 AM PDT            6.28         +              Normal
  04/12/2026 08 AM PDT            6.39         +              Normal
  04/12/2026 09 AM PDT            6.55         +              Normal
  04/12/2026 10 AM PDT            6.76         +              Normal
  04/12/2026 11 AM PDT            6.99         +              Normal
  04/12/2026 12 PM PDT            7.28         +              Normal
  04/12/2026 01 PM PDT            7.56         +              Normal
  04/12/2026 02 PM PDT            7.79         +              Normal
  04/12/2026 03 PM PDT            8.01         +              Normal
  04/12/2026 04 PM PDT            8.21         +              Normal
  04/12/2026 05 PM PDT            8.36         +              Normal
  04/12/2026 06 PM PDT            8.49         +              Normal
  04/12/2026 07 PM PDT            8.58         +              Normal
  04/12/2026 08 PM PDT            8.65         +              Normal
  04/12/2026 09 PM PDT            8.70         +              Normal
  04/12/2026 10 PM PDT            8.72         +              Normal
  04/12/2026 11 PM PDT            8.73         +              Normal
  04/13/2026 12 AM PDT            8.71         -              Normal
  04/13/2026 01 AM PDT            8.68         -              Normal
  04/13/2026 02 AM PDT            8.64         -              Normal
  04/13/2026 03 AM PDT            8.58         -              Normal
  04/13/2026 04 AM PDT            8.52         -              Normal
  04/13/2026 05 AM PDT            8.44         -              Normal
  04/13/2026 06 AM PDT            8.36         -              Normal
  04/13/2026 07 AM PDT            8.27         -              Normal
  04/13/2026 08 AM PDT            8.19         -              Normal
  04/13/2026 09 AM PDT            8.10         -              Normal
  04/13/2026 10 AM PDT            8.01         -              Normal
  04/13/2026 11 AM PDT            7.92         -              Normal
  04/13/2026 12 PM PDT            7.83         -              Normal
  04/13/2026 01 PM PDT            7.74         -              Normal
  04/13/2026 02 PM PDT            7.65         -              Normal
  04/13/2026 03 PM PDT            7.56         -              Normal
  04/13/2026 04 PM PDT            7.47         -              Normal
  04/13/2026 05 PM PDT            7.38         -              Normal
  04/13/2026 06 PM PDT            7.29         -              Normal
  04/13/2026 07 PM PDT            7.21         -              Normal
  04/13/2026 08 PM PDT            7.13         -              Normal
  04/13/2026 09 PM PDT            7.06         -              Normal
  04/13/2026 10 PM PDT            6.98         -              Normal
  04/13/2026 11 PM PDT            6.92         -              Normal
  04/14/2026 12 AM PDT            6.86         -              Normal
  04/14/2026 01 AM PDT            6.79         -              Normal
  04/14/2026 02 AM PDT            6.74         -              Normal
  04/14/2026 03 AM PDT            6.68         -              Normal
  04/14/2026 04 AM PDT            6.62         -              Normal
  04/14/2026 05 AM PDT            6.57         -              Normal
  04/14/2026 06 AM PDT            6.53         -              Normal
  04/14/2026 07 AM PDT            6.48         -              Normal
  04/14/2026 08 AM PDT            6.43         -              Normal
  04/14/2026 09 AM PDT            6.39         -              Normal
  04/14/2026 10 AM PDT            6.36         -              Normal
  04/14/2026 11 AM PDT            6.32         -              Normal
  04/14/2026 12 PM PDT            6.29         -              Normal
  04/14/2026 01 PM PDT            6.26         -              Normal
  04/14/2026 02 PM PDT            6.24         -              Normal
  04/14/2026 03 PM PDT            6.21         -              Normal
  04/14/2026 04 PM PDT            6.19         -              Normal
  04/14/2026 05 PM PDT            6.17         -              Normal
  04/14/2026 06 PM PDT            6.15         -              Normal
  04/14/2026 07 PM PDT            6.13         -              Normal
  04/14/2026 08 PM PDT            6.11         -              Normal
  04/14/2026 09 PM PDT            6.10         -              Normal
  04/14/2026 10 PM PDT            6.08         -              Normal
  04/14/2026 11 PM PDT            6.07         -              Normal
  04/15/2026 12 AM PDT            6.05         -              Normal
  04/15/2026 01 AM PDT            6.04         -              Normal
  04/15/2026 02 AM PDT            6.02         -              Normal
  04/15/2026 03 AM PDT            6.01         -              Normal
  04/15/2026 04 AM PDT            5.99         -              Normal
  04/15/2026 05 AM PDT            5.98         -              Normal
  04/15/2026 06 AM PDT            5.96         -              Normal
  04/15/2026 07 AM PDT            5.95         -              Normal
  04/15/2026 08 AM PDT            5.94         -              Normal
  04/15/2026 09 AM PDT            5.92         -              Normal
  04/15/2026 10 AM PDT            5.91         -              Normal
  04/15/2026 11 AM PDT            5.89         -              Normal
  04/15/2026 12 PM PDT            5.88         -              Normal
  04/15/2026 01 PM PDT            5.87         -              Normal
  04/15/2026 02 PM PDT            5.86         -              Normal
  04/15/2026 03 PM PDT            5.85         -              Normal
  04/15/2026 04 PM PDT            5.83         -              Normal
  04/15/2026 05 PM PDT            5.82         -              Normal
  04/15/2026 06 PM PDT            5.81         -              Normal
  04/15/2026 07 PM PDT            5.80         -              Normal
  04/15/2026 08 PM PDT            5.79         -              Normal
  04/15/2026 09 PM PDT            5.78         -              Normal
  04/15/2026 10 PM PDT            5.77         -              Normal
  04/15/2026 11 PM PDT            5.76         -              Normal
  04/16/2026 12 AM PDT            5.75         -              Normal
  04/16/2026 01 AM PDT            5.75         0              Normal
  04/16/2026 02 AM PDT            5.74         -              Normal
  04/16/2026 03 AM PDT            5.73         -              Normal
  04/16/2026 04 AM PDT            5.72         -              Normal
  04/16/2026 05 AM PDT            5.71         -              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.