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 05 2026 at 12:50 PM PSTNext Issuance: Mar 06 2026 at 9:00 AM 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:  03/05/2026 at 12:50 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/28/2026 at 12:00 PM PST
# Maximum Observed Stage:                       12.15 Feet
#
# Earliest Date & Time of Maximum Forecast:     03/05/2026 at 01:00 PM PST
# Maximum Forecast Stage:                       8.92 Feet
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Trend     Observed Status
# ------------------------------------------------------------------
  02/28/2026 12 PM PST           12.15                        Normal
  02/28/2026 01 PM PST           12.10         -              Normal
  02/28/2026 02 PM PST           12.04         -              Normal
  02/28/2026 03 PM PST           11.97         -              Normal
  02/28/2026 04 PM PST           11.93         -              Normal
  02/28/2026 05 PM PST           11.90         -              Normal
  02/28/2026 06 PM PST           11.85         -              Normal
  02/28/2026 07 PM PST           11.79         -              Normal
  02/28/2026 08 PM PST           11.73         -              Normal
  02/28/2026 09 PM PST           11.70         -              Normal
  02/28/2026 10 PM PST           11.64         -              Normal
  02/28/2026 11 PM PST           11.60         -              Normal
  03/01/2026 12 AM PST           11.56         -              Normal
  03/01/2026 01 AM PST           11.51         -              Normal
  03/01/2026 02 AM PST           11.47         -              Normal
  03/01/2026 03 AM PST           11.43         -              Normal
  03/01/2026 04 AM PST           11.38         -              Normal
  03/01/2026 05 AM PST           11.33         -              Normal
  03/01/2026 06 AM PST           11.30         -              Normal
  03/01/2026 07 AM PST           11.27         -              Normal
  03/01/2026 08 AM PST           11.22         -              Normal
  03/01/2026 09 AM PST           11.19         -              Normal
  03/01/2026 10 AM PST           11.15         -              Normal
  03/01/2026 11 AM PST           11.11         -              Normal
  03/01/2026 12 PM PST           11.07         -              Normal
  03/01/2026 01 PM PST           11.03         -              Normal
  03/01/2026 02 PM PST           10.99         -              Normal
  03/01/2026 03 PM PST           10.95         -              Normal
  03/01/2026 04 PM PST           10.92         -              Normal
  03/01/2026 05 PM PST           10.90         -              Normal
  03/01/2026 06 PM PST           10.87         -              Normal
  03/01/2026 07 PM PST           10.83         -              Normal
  03/01/2026 08 PM PST           10.79         -              Normal
  03/01/2026 09 PM PST           10.76         -              Normal
  03/01/2026 10 PM PST           10.73         -              Normal
  03/01/2026 11 PM PST           10.71         -              Normal
  03/02/2026 12 AM PST           10.68         -              Normal
  03/02/2026 01 AM PST           10.65         -              Normal
  03/02/2026 02 AM PST           10.62         -              Normal
  03/02/2026 03 AM PST           10.59         -              Normal
  03/02/2026 04 AM PST           10.56         -              Normal
  03/02/2026 05 AM PST           10.54         -              Normal
  03/02/2026 06 AM PST           10.51         -              Normal
  03/02/2026 07 AM PST           10.48         -              Normal
  03/02/2026 08 AM PST           10.45         -              Normal
  03/02/2026 09 AM PST           10.43         -              Normal
  03/02/2026 10 AM PST           10.41         -              Normal
  03/02/2026 11 AM PST           10.39         -              Normal
  03/02/2026 12 PM PST           10.36         -              Normal
  03/02/2026 01 PM PST           10.33         -              Normal
  03/02/2026 02 PM PST           10.30         -              Normal
  03/02/2026 03 PM PST           10.27         -              Normal
  03/02/2026 04 PM PST           10.25         -              Normal
  03/02/2026 05 PM PST           10.23         -              Normal
  03/02/2026 06 PM PST           10.21         -              Normal
  03/02/2026 07 PM PST           10.18         -              Normal
  03/02/2026 08 PM PST           10.16         -              Normal
  03/02/2026 09 PM PST           10.14         -              Normal
  03/02/2026 10 PM PST           10.12         -              Normal
  03/02/2026 11 PM PST           10.10         -              Normal
  03/03/2026 12 AM PST           10.07         -              Normal
  03/03/2026 01 AM PST           10.06         -              Normal
  03/03/2026 02 AM PST           10.03         -              Normal
  03/03/2026 03 AM PST           10.01         -              Normal
  03/03/2026 04 AM PST            9.99         -              Normal
  03/03/2026 05 AM PST            9.97         -              Normal
  03/03/2026 06 AM PST            9.94         -              Normal
  03/03/2026 07 AM PST            9.92         -              Normal
  03/03/2026 08 AM PST            9.91         -              Normal
  03/03/2026 09 AM PST            9.89         -              Normal
  03/03/2026 10 AM PST            9.88         -              Normal
  03/03/2026 11 AM PST            9.87         -              Normal
  03/03/2026 12 PM PST            9.86         -              Normal
  03/03/2026 01 PM PST            9.82         -              Normal
  03/03/2026 02 PM PST            9.80         -              Normal
  03/03/2026 03 PM PST            9.78         -              Normal
  03/03/2026 04 PM PST            9.76         -              Normal
  03/03/2026 05 PM PST            9.74         -              Normal
  03/03/2026 06 PM PST            9.73         -              Normal
  03/03/2026 07 PM PST            9.70         -              Normal
  03/03/2026 08 PM PST            9.70         0              Normal
  03/03/2026 09 PM PST            9.67         -              Normal
  03/03/2026 10 PM PST            9.66         -              Normal
  03/03/2026 11 PM PST            9.65         -              Normal
  03/04/2026 12 AM PST            9.62         -              Normal
  03/04/2026 01 AM PST            9.61         -              Normal
  03/04/2026 02 AM PST            9.60         -              Normal
  03/04/2026 03 AM PST            9.59         -              Normal
  03/04/2026 04 AM PST            9.56         -              Normal
  03/04/2026 05 AM PST            9.55         -              Normal
  03/04/2026 06 AM PST            9.53         -              Normal
  03/04/2026 07 AM PST            9.52         -              Normal
  03/04/2026 08 AM PST            9.50         -              Normal
  03/04/2026 09 AM PST            9.49         -              Normal
  03/04/2026 10 AM PST            9.48         -              Normal
  03/04/2026 11 AM PST            9.47         -              Normal
  03/04/2026 12 PM PST            9.47         0              Normal
  03/04/2026 01 PM PST            9.44         -              Normal
  03/04/2026 02 PM PST            9.42         -              Normal
  03/04/2026 03 PM PST            9.40         -              Normal
  03/04/2026 04 PM PST            9.38         -              Normal
  03/04/2026 05 PM PST            9.36         -              Normal
  03/04/2026 06 PM PST            9.36         0              Normal
  03/04/2026 07 PM PST            9.34         -              Normal
  03/04/2026 08 PM PST            9.33         -              Normal
  03/04/2026 09 PM PST            9.31         -              Normal
  03/04/2026 10 PM PST            9.29         -              Normal
  03/04/2026 11 PM PST            9.28         -              Normal
  03/05/2026 12 AM PST            9.25         -              Normal
  03/05/2026 01 AM PST            9.23         -              Normal
  03/05/2026 02 AM PST            9.20         -              Normal
  03/05/2026 03 AM PST            9.17         -              Normal
  03/05/2026 04 AM PST            9.14         -              Normal
  03/05/2026 05 AM PST            9.11         -              Normal
  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            8.95         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Trend     Forecast Status
# ------------------------------------------------------------------
  03/05/2026 01 PM PST            8.92                        Normal
  03/05/2026 02 PM PST            8.88         -              Normal
  03/05/2026 03 PM PST            8.85         -              Normal
  03/05/2026 04 PM PST            8.81         -              Normal
  03/05/2026 05 PM PST            8.77         -              Normal
  03/05/2026 06 PM PST            8.74         -              Normal
  03/05/2026 07 PM PST            8.71         -              Normal
  03/05/2026 08 PM PST            8.68         -              Normal
  03/05/2026 09 PM PST            8.65         -              Normal
  03/05/2026 10 PM PST            8.62         -              Normal
  03/05/2026 11 PM PST            8.60         -              Normal
  03/06/2026 12 AM PST            8.57         -              Normal
  03/06/2026 01 AM PST            8.55         -              Normal
  03/06/2026 02 AM PST            8.53         -              Normal
  03/06/2026 03 AM PST            8.51         -              Normal
  03/06/2026 04 AM PST            8.48         -              Normal
  03/06/2026 05 AM PST            8.47         -              Normal
  03/06/2026 06 AM PST            8.45         -              Normal
  03/06/2026 07 AM PST            8.43         -              Normal
  03/06/2026 08 AM PST            8.41         -              Normal
  03/06/2026 09 AM PST            8.40         -              Normal
  03/06/2026 10 AM PST            8.38         -              Normal
  03/06/2026 11 AM PST            8.37         -              Normal
  03/06/2026 12 PM PST            8.36         -              Normal
  03/06/2026 01 PM PST            8.34         -              Normal
  03/06/2026 02 PM PST            8.33         -              Normal
  03/06/2026 03 PM PST            8.32         -              Normal
  03/06/2026 04 PM PST            8.30         -              Normal
  03/06/2026 05 PM PST            8.29         -              Normal
  03/06/2026 06 PM PST            8.28         -              Normal
  03/06/2026 07 PM PST            8.27         -              Normal
  03/06/2026 08 PM PST            8.26         -              Normal
  03/06/2026 09 PM PST            8.25         -              Normal
  03/06/2026 10 PM PST            8.24         -              Normal
  03/06/2026 11 PM PST            8.23         -              Normal
  03/07/2026 12 AM PST            8.22         -              Normal
  03/07/2026 01 AM PST            8.21         -              Normal
  03/07/2026 02 AM PST            8.20         -              Normal
  03/07/2026 03 AM PST            8.20         0              Normal
  03/07/2026 04 AM PST            8.19         -              Normal
  03/07/2026 05 AM PST            8.18         -              Normal
  03/07/2026 06 AM PST            8.17         -              Normal
  03/07/2026 07 AM PST            8.16         -              Normal
  03/07/2026 08 AM PST            8.15         -              Normal
  03/07/2026 09 AM PST            8.14         -              Normal
  03/07/2026 10 AM PST            8.13         -              Normal
  03/07/2026 11 AM PST            8.13         0              Normal
  03/07/2026 12 PM PST            8.12         -              Normal
  03/07/2026 01 PM PST            8.11         -              Normal
  03/07/2026 02 PM PST            8.10         -              Normal
  03/07/2026 03 PM PST            8.10         0              Normal
  03/07/2026 04 PM PST            8.09         -              Normal
  03/07/2026 05 PM PST            8.08         -              Normal
  03/07/2026 06 PM PST            8.07         -              Normal
  03/07/2026 07 PM PST            8.06         -              Normal
  03/07/2026 08 PM PST            8.06         0              Normal
  03/07/2026 09 PM PST            8.05         -              Normal
  03/07/2026 10 PM PST            8.04         -              Normal
  03/07/2026 11 PM PST            8.03         -              Normal
  03/08/2026 12 AM PST            8.03         0              Normal
  03/08/2026 01 AM PST            8.02         -              Normal
  03/08/2026 03 AM PDT            8.01         -              Normal
  03/08/2026 04 AM PDT            8.00         -              Normal
  03/08/2026 05 AM PDT            7.99         -              Normal
  03/08/2026 06 AM PDT            7.99         0              Normal
  03/08/2026 07 AM PDT            7.98         -              Normal
  03/08/2026 08 AM PDT            7.98         0              Normal
  03/08/2026 09 AM PDT            7.97         -              Normal
  03/08/2026 10 AM PDT            7.96         -              Normal
  03/08/2026 11 AM PDT            7.96         0              Normal
  03/08/2026 12 PM PDT            7.95         -              Normal
  03/08/2026 01 PM PDT            7.95         0              Normal
  03/08/2026 02 PM PDT            7.94         -              Normal
  03/08/2026 03 PM PDT            7.93         -              Normal
  03/08/2026 04 PM PDT            7.93         0              Normal
  03/08/2026 05 PM PDT            7.92         -              Normal
  03/08/2026 06 PM PDT            7.92         0              Normal
  03/08/2026 07 PM PDT            7.91         -              Normal
  03/08/2026 08 PM PDT            7.91         0              Normal
  03/08/2026 09 PM PDT            7.90         -              Normal
  03/08/2026 10 PM PDT            7.90         0              Normal
  03/08/2026 11 PM PDT            7.89         -              Normal
  03/09/2026 12 AM PDT            7.89         0              Normal
  03/09/2026 01 AM PDT            7.88         -              Normal
  03/09/2026 02 AM PDT            7.88         0              Normal
  03/09/2026 03 AM PDT            7.87         -              Normal
  03/09/2026 04 AM PDT            7.87         0              Normal
  03/09/2026 05 AM PDT            7.86         -              Normal
  03/09/2026 06 AM PDT            7.86         0              Normal
  03/09/2026 07 AM PDT            7.85         -              Normal
  03/09/2026 08 AM PDT            7.85         0              Normal
  03/09/2026 09 AM PDT            7.84         -              Normal
  03/09/2026 10 AM PDT            7.84         0              Normal
  03/09/2026 11 AM PDT            7.83         -              Normal
  03/09/2026 12 PM PDT            7.83         0              Normal
  03/09/2026 01 PM PDT            7.82         -              Normal
  03/09/2026 02 PM PDT            7.82         0              Normal
  03/09/2026 03 PM PDT            7.81         -              Normal
  03/09/2026 04 PM PDT            7.81         0              Normal
  03/09/2026 05 PM PDT            7.80         -              Normal
  03/09/2026 06 PM PDT            7.80         0              Normal
  03/09/2026 07 PM PDT            7.79         -              Normal
  03/09/2026 08 PM PDT            7.79         0              Normal
  03/09/2026 09 PM PDT            7.78         -              Normal
  03/09/2026 10 PM PDT            7.78         0              Normal
  03/09/2026 11 PM PDT            7.78         0              Normal
  03/10/2026 12 AM PDT            7.77         -              Normal
  03/10/2026 01 AM PDT            7.77         0              Normal
  03/10/2026 02 AM PDT            7.76         -              Normal
  03/10/2026 03 AM PDT            7.76         0              Normal
  03/10/2026 04 AM PDT            7.75         -              Normal
  03/10/2026 05 AM PDT            7.75         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.