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 FeetForecast Type: Official Location
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Mar 10 2026 at 7:13 AM PDTNext Issuance: Mar 10 2026 at 3:00 PM 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:  03/10/2026 at 07:13 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/05/2026 at 06:00 AM PST
# Maximum Observed Stage:                       9.08 Feet
#
# Earliest Date & Time of Maximum Forecast:     03/10/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       7.58 Feet
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Trend     Observed Status
# ------------------------------------------------------------------
  03/05/2026 06 AM PST            9.08                        Normal
  03/05/2026 07 AM PST            9.05         -              Normal
  03/05/2026 08 AM PST            9.03         -              Normal
  03/05/2026 09 AM PST            9.01         -              Normal
  03/05/2026 10 AM PST            8.98         -              Normal
  03/05/2026 11 AM PST            8.97         -              Normal
  03/05/2026 12 PM PST            8.94         -              Normal
  03/05/2026 01 PM PST            8.91         -              Normal
  03/05/2026 02 PM PST            8.89         -              Normal
  03/05/2026 03 PM PST            8.85         -              Normal
  03/05/2026 04 PM PST            8.83         -              Normal
  03/05/2026 05 PM PST            8.80         -              Normal
  03/05/2026 06 PM PST            8.77         -              Normal
  03/05/2026 07 PM PST            8.75         -              Normal
  03/05/2026 08 PM PST            8.73         -              Normal
  03/05/2026 09 PM PST            8.70         -              Normal
  03/05/2026 10 PM PST            8.68         -              Normal
  03/05/2026 11 PM PST            8.66         -              Normal
  03/06/2026 12 AM PST            8.64         -              Normal
  03/06/2026 01 AM PST            8.62         -              Normal
  03/06/2026 02 AM PST            8.60         -              Normal
  03/06/2026 03 AM PST            8.59         -              Normal
  03/06/2026 04 AM PST            8.57         -              Normal
  03/06/2026 05 AM PST            8.55         -              Normal
  03/06/2026 06 AM PST            8.54         -              Normal
  03/06/2026 07 AM PST            8.52         -              Normal
  03/06/2026 08 AM PST            8.51         -              Normal
  03/06/2026 09 AM PST            8.50         -              Normal
  03/06/2026 10 AM PST            8.49         -              Normal
  03/06/2026 11 AM PST            8.50         +              Normal
  03/06/2026 12 PM PST            8.47         -              Normal
  03/06/2026 01 PM PST            8.45         -              Normal
  03/06/2026 02 PM PST            8.43         -              Normal
  03/06/2026 03 PM PST            8.41         -              Normal
  03/06/2026 04 PM PST            8.40         -              Normal
  03/06/2026 05 PM PST            8.38         -              Normal
  03/06/2026 06 PM PST            8.38         0              Normal
  03/06/2026 07 PM PST            8.37         -              Normal
  03/06/2026 08 PM PST            8.36         -              Normal
  03/06/2026 09 PM PST            8.34         -              Normal
  03/06/2026 10 PM PST            8.33         -              Normal
  03/06/2026 11 PM PST            8.32         -              Normal
  03/07/2026 12 AM PST            8.31         -              Normal
  03/07/2026 01 AM PST            8.31         0              Normal
  03/07/2026 02 AM PST            8.29         -              Normal
  03/07/2026 03 AM PST            8.28         -              Normal
  03/07/2026 04 AM PST            8.27         -              Normal
  03/07/2026 05 AM PST            8.27         0              Normal
  03/07/2026 06 AM PST            8.25         -              Normal
  03/07/2026 07 AM PST            8.24         -              Normal
  03/07/2026 08 AM PST            8.23         -              Normal
  03/07/2026 09 AM PST            8.23         0              Normal
  03/07/2026 10 AM PST            8.23         0              Normal
  03/07/2026 11 AM PST            8.22         -              Normal
  03/07/2026 12 PM PST            8.20         -              Normal
  03/07/2026 01 PM PST            8.18         -              Normal
  03/07/2026 02 PM PST            8.16         -              Normal
  03/07/2026 03 PM PST            8.15         -              Normal
  03/07/2026 04 PM PST            8.13         -              Normal
  03/07/2026 05 PM PST            8.11         -              Normal
  03/07/2026 06 PM PST            8.09         -              Normal
  03/07/2026 07 PM PST            8.09         0              Normal
  03/07/2026 08 PM PST            8.07         -              Normal
  03/07/2026 09 PM PST            8.06         -              Normal
  03/07/2026 10 PM PST            8.05         -              Normal
  03/07/2026 11 PM PST            8.03         -              Normal
  03/08/2026 12 AM PST            8.02         -              Normal
  03/08/2026 01 AM PST            8.01         -              Normal
  03/08/2026 03 AM PDT            8.00         -              Normal
  03/08/2026 04 AM PDT            7.99         -              Normal
  03/08/2026 05 AM PDT            7.98         -              Normal
  03/08/2026 06 AM PDT            7.97         -              Normal
  03/08/2026 07 AM PDT            7.95         -              Normal
  03/08/2026 08 AM PDT            7.94         -              Normal
  03/08/2026 09 AM PDT            7.94         0              Normal
  03/08/2026 10 AM PDT            7.92         -              Normal
  03/08/2026 11 AM PDT            7.93         +              Normal
  03/08/2026 12 PM PDT            7.93         0              Normal
  03/08/2026 01 PM PDT            7.90         -              Normal
  03/08/2026 02 PM PDT            7.88         -              Normal
  03/08/2026 03 PM PDT            7.87         -              Normal
  03/08/2026 04 PM PDT            7.87         0              Normal
  03/08/2026 05 PM PDT            7.86         -              Normal
  03/08/2026 06 PM PDT            7.84         -              Normal
  03/08/2026 07 PM PDT            7.84         0              Normal
  03/08/2026 08 PM PDT            7.83         -              Normal
  03/08/2026 09 PM PDT            7.83         0              Normal
  03/08/2026 10 PM PDT            7.83         0              Normal
  03/08/2026 11 PM PDT            7.82         -              Normal
  03/09/2026 12 AM PDT            7.81         -              Normal
  03/09/2026 01 AM PDT            7.80         -              Normal
  03/09/2026 02 AM PDT            7.79         -              Normal
  03/09/2026 03 AM PDT            7.79         0              Normal
  03/09/2026 04 AM PDT            7.78         -              Normal
  03/09/2026 05 AM PDT            7.77         -              Normal
  03/09/2026 06 AM PDT            7.76         -              Normal
  03/09/2026 07 AM PDT            7.76         0              Normal
  03/09/2026 08 AM PDT            7.75         -              Normal
  03/09/2026 09 AM PDT            7.75         0              Normal
  03/09/2026 10 AM PDT            7.75         0              Normal
  03/09/2026 11 AM PDT            7.73         -              Normal
  03/09/2026 12 PM PDT            7.75         +              Normal
  03/09/2026 01 PM PDT            7.74         -              Normal
  03/09/2026 02 PM PDT            7.72         -              Normal
  03/09/2026 03 PM PDT            7.71         -              Normal
  03/09/2026 04 PM PDT            7.70         -              Normal
  03/09/2026 05 PM PDT            7.68         -              Normal
  03/09/2026 06 PM PDT            7.67         -              Normal
  03/09/2026 07 PM PDT            7.68         +              Normal
  03/09/2026 08 PM PDT            7.67         -              Normal
  03/09/2026 09 PM PDT            7.67         0              Normal
  03/09/2026 10 PM PDT            7.66         -              Normal
  03/09/2026 11 PM PDT            7.64         -              Normal
  03/10/2026 12 AM PDT            7.64         0              Normal
  03/10/2026 01 AM PDT            7.63         -              Normal
  03/10/2026 02 AM PDT            7.62         -              Normal
  03/10/2026 03 AM PDT            7.62         0              Normal
  03/10/2026 04 AM PDT            7.60         -              Normal
  03/10/2026 05 AM PDT            7.60         0              Normal
  03/10/2026 06 AM PDT            7.59         -              Normal
  03/10/2026 07 AM PDT            7.58         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Trend     Forecast Status
# ------------------------------------------------------------------
  03/10/2026 08 AM PDT            7.58                        Normal
  03/10/2026 09 AM PDT            7.57         -              Normal
  03/10/2026 10 AM PDT            7.56         -              Normal
  03/10/2026 11 AM PDT            7.55         -              Normal
  03/10/2026 12 PM PDT            7.54         -              Normal
  03/10/2026 01 PM PDT            7.54         0              Normal
  03/10/2026 02 PM PDT            7.53         -              Normal
  03/10/2026 03 PM PDT            7.52         -              Normal
  03/10/2026 04 PM PDT            7.52         0              Normal
  03/10/2026 05 PM PDT            7.51         -              Normal
  03/10/2026 06 PM PDT            7.50         -              Normal
  03/10/2026 07 PM PDT            7.49         -              Normal
  03/10/2026 08 PM PDT            7.48         -              Normal
  03/10/2026 09 PM PDT            7.47         -              Normal
  03/10/2026 10 PM PDT            7.46         -              Normal
  03/10/2026 11 PM PDT            7.45         -              Normal
  03/11/2026 12 AM PDT            7.43         -              Normal
  03/11/2026 01 AM PDT            7.42         -              Normal
  03/11/2026 02 AM PDT            7.42         0              Normal
  03/11/2026 03 AM PDT            7.41         -              Normal
  03/11/2026 04 AM PDT            7.40         -              Normal
  03/11/2026 05 AM PDT            7.39         -              Normal
  03/11/2026 06 AM PDT            7.38         -              Normal
  03/11/2026 07 AM PDT            7.37         -              Normal
  03/11/2026 08 AM PDT            7.36         -              Normal
  03/11/2026 09 AM PDT            7.35         -              Normal
  03/11/2026 10 AM PDT            7.34         -              Normal
  03/11/2026 11 AM PDT            7.34         0              Normal
  03/11/2026 12 PM PDT            7.33         -              Normal
  03/11/2026 01 PM PDT            7.32         -              Normal
  03/11/2026 02 PM PDT            7.31         -              Normal
  03/11/2026 03 PM PDT            7.31         0              Normal
  03/11/2026 04 PM PDT            7.30         -              Normal
  03/11/2026 05 PM PDT            7.29         -              Normal
  03/11/2026 06 PM PDT            7.28         -              Normal
  03/11/2026 07 PM PDT            7.28         0              Normal
  03/11/2026 08 PM PDT            7.27         -              Normal
  03/11/2026 09 PM PDT            7.26         -              Normal
  03/11/2026 10 PM PDT            7.26         0              Normal
  03/11/2026 11 PM PDT            7.25         -              Normal
  03/12/2026 12 AM PDT            7.24         -              Normal
  03/12/2026 01 AM PDT            7.24         0              Normal
  03/12/2026 02 AM PDT            7.23         -              Normal
  03/12/2026 03 AM PDT            7.22         -              Normal
  03/12/2026 04 AM PDT            7.22         0              Normal
  03/12/2026 05 AM PDT            7.21         -              Normal
  03/12/2026 06 AM PDT            7.20         -              Normal
  03/12/2026 07 AM PDT            7.20         0              Normal
  03/12/2026 08 AM PDT            7.19         -              Normal
  03/12/2026 09 AM PDT            7.18         -              Normal
  03/12/2026 10 AM PDT            7.18         0              Normal
  03/12/2026 11 AM PDT            7.17         -              Normal
  03/12/2026 12 PM PDT            7.17         0              Normal
  03/12/2026 01 PM PDT            7.16         -              Normal
  03/12/2026 02 PM PDT            7.15         -              Normal
  03/12/2026 03 PM PDT            7.15         0              Normal
  03/12/2026 04 PM PDT            7.14         -              Normal
  03/12/2026 05 PM PDT            7.13         -              Normal
  03/12/2026 06 PM PDT            7.13         0              Normal
  03/12/2026 07 PM PDT            7.12         -              Normal
  03/12/2026 08 PM PDT            7.12         0              Normal
  03/12/2026 09 PM PDT            7.11         -              Normal
  03/12/2026 10 PM PDT            7.10         -              Normal
  03/12/2026 11 PM PDT            7.10         0              Normal
  03/13/2026 12 AM PDT            7.09         -              Normal
  03/13/2026 01 AM PDT            7.09         0              Normal
  03/13/2026 02 AM PDT            7.08         -              Normal
  03/13/2026 03 AM PDT            7.08         0              Normal
  03/13/2026 04 AM PDT            7.08         0              Normal
  03/13/2026 05 AM PDT            7.07         -              Normal
  03/13/2026 06 AM PDT            7.07         0              Normal
  03/13/2026 07 AM PDT            7.06         -              Normal
  03/13/2026 08 AM PDT            7.06         0              Normal
  03/13/2026 09 AM PDT            7.06         0              Normal
  03/13/2026 10 AM PDT            7.05         -              Normal
  03/13/2026 11 AM PDT            7.05         0              Normal
  03/13/2026 12 PM PDT            7.04         -              Normal
  03/13/2026 01 PM PDT            7.04         0              Normal
  03/13/2026 02 PM PDT            7.04         0              Normal
  03/13/2026 03 PM PDT            7.03         -              Normal
  03/13/2026 04 PM PDT            7.03         0              Normal
  03/13/2026 05 PM PDT            7.03         0              Normal
  03/13/2026 06 PM PDT            7.02         -              Normal
  03/13/2026 07 PM PDT            7.02         0              Normal
  03/13/2026 08 PM PDT            7.01         -              Normal
  03/13/2026 09 PM PDT            7.01         0              Normal
  03/13/2026 10 PM PDT            7.01         0              Normal
  03/13/2026 11 PM PDT            7.00         -              Normal
  03/14/2026 12 AM PDT            7.00         0              Normal
  03/14/2026 01 AM PDT            7.00         0              Normal
  03/14/2026 02 AM PDT            7.00         0              Normal
  03/14/2026 03 AM PDT            6.99         -              Normal
  03/14/2026 04 AM PDT            6.99         0              Normal
  03/14/2026 05 AM PDT            6.99         0              Normal
  03/14/2026 06 AM PDT            6.99         0              Normal
  03/14/2026 07 AM PDT            6.99         0              Normal
  03/14/2026 08 AM PDT            6.99         0              Normal
  03/14/2026 09 AM PDT            6.98         -              Normal
  03/14/2026 10 AM PDT            6.98         0              Normal
  03/14/2026 11 AM PDT            6.98         0              Normal
  03/14/2026 12 PM PDT            6.98         0              Normal
  03/14/2026 01 PM PDT            6.98         0              Normal
  03/14/2026 02 PM PDT            6.97         -              Normal
  03/14/2026 03 PM PDT            6.97         0              Normal
  03/14/2026 04 PM PDT            6.97         0              Normal
  03/14/2026 05 PM PDT            6.97         0              Normal
  03/14/2026 06 PM PDT            6.97         0              Normal
  03/14/2026 07 PM PDT            6.96         -              Normal
  03/14/2026 08 PM PDT            6.96         0              Normal
  03/14/2026 09 PM PDT            6.96         0              Normal
  03/14/2026 10 PM PDT            6.96         0              Normal
  03/14/2026 11 PM PDT            6.96         0              Normal
  03/15/2026 12 AM PDT            6.96         0              Normal
  03/15/2026 01 AM PDT            6.96         0              Normal
  03/15/2026 02 AM PDT            6.95         -              Normal
  03/15/2026 03 AM PDT            6.95         0              Normal
  03/15/2026 04 AM PDT            6.95         0              Normal
  03/15/2026 05 AM PDT            6.95         0              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.