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

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LAGUNA DE SANTA ROSA - SEBASTOPOL (LSEC1)
Latitude: 38.43º NLongitude: 122.83º WElevation: 50 FeetForecast Type: Unofficial Location
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Nov 11 2026 at 7:32 AM PSTNext Issuance: Nov 12 2026 at 9:00 AM PST
Action: 67.0 FeetMinor Flood: 69.0 FeetModerate Flood: N/A Major Flood: N/A
Please Note:Stage forecasts at this location are uncertain due to backwater effects.

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Laguna De Santa Rosa - Sebastopol (LSEC1)
#
# File Generation Time:  11/11/2026 at 07:33 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/11/2026 at 07:00 AM PST
# Maximum Observed Stage:                       55.86 Feet
# Maximum Observed Flow:                        4 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/14/2026 at 10:00 AM PST
# Maximum Forecast Stage:                       58.63 Feet
# Maximum Forecast Flow:                        104 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/06/2026 07 AM PST           55.81              3                        Normal
  11/06/2026 08 AM PST           55.81              3         0              Normal
  11/06/2026 09 AM PST           55.81              3         0              Normal
  11/06/2026 10 AM PST           55.81              3         0              Normal
  11/06/2026 11 AM PST           55.81              3         0              Normal
  11/06/2026 12 PM PST           55.81              3         0              Normal
  11/06/2026 01 PM PST           55.81              3         0              Normal
  11/06/2026 02 PM PST           55.82              4         +              Normal
  11/06/2026 03 PM PST           55.82              4         0              Normal
  11/06/2026 04 PM PST           55.82              4         0              Normal
  11/06/2026 05 PM PST           55.82              4         0              Normal
  11/06/2026 06 PM PST           55.82              4         0              Normal
  11/06/2026 07 PM PST           55.82              4         0              Normal
  11/06/2026 08 PM PST           55.81              3         -              Normal
  11/06/2026 09 PM PST           55.81              3         0              Normal
  11/06/2026 10 PM PST           55.81              3         0              Normal
  11/06/2026 11 PM PST           55.81              3         0              Normal
  11/07/2026 12 AM PST           55.81              3         0              Normal
  11/07/2026 01 AM PST           55.81              3         0              Normal
  11/07/2026 02 AM PST           55.81              3         0              Normal
  11/07/2026 03 AM PST           55.81              3         0              Normal
  11/07/2026 04 AM PST           55.81              3         0              Normal
  11/07/2026 05 AM PST           55.81              3         0              Normal
  11/07/2026 06 AM PST           55.81              3         0              Normal
  11/07/2026 07 AM PST           55.81              3         0              Normal
  11/07/2026 08 AM PST           55.81              3         0              Normal
  11/07/2026 09 AM PST           55.81              3         0              Normal
  11/07/2026 10 AM PST           55.82              4         +              Normal
  11/07/2026 11 AM PST           55.82              4         0              Normal
  11/07/2026 12 PM PST           55.82              4         0              Normal
  11/07/2026 01 PM PST           55.82              4         0              Normal
  11/07/2026 02 PM PST           55.82              4         0              Normal
  11/07/2026 03 PM PST           55.82              4         0              Normal
  11/07/2026 04 PM PST           55.82              4         0              Normal
  11/07/2026 05 PM PST           55.82              4         0              Normal
  11/07/2026 06 PM PST           55.82              4         0              Normal
  11/07/2026 07 PM PST           55.82              4         0              Normal
  11/07/2026 08 PM PST           55.82              4         0              Normal
  11/07/2026 09 PM PST           55.82              4         0              Normal
  11/07/2026 10 PM PST           55.82              4         0              Normal
  11/07/2026 11 PM PST           55.82              4         0              Normal
  11/08/2026 12 AM PST           55.82              4         0              Normal
  11/08/2026 01 AM PST           55.82              4         0              Normal
  11/08/2026 02 AM PST           55.82              4         0              Normal
  11/08/2026 03 AM PST           55.82              4         0              Normal
  11/08/2026 04 AM PST           55.82              4         0              Normal
  11/08/2026 05 AM PST           55.82              4         0              Normal
  11/08/2026 06 AM PST           55.82              4         0              Normal
  11/08/2026 07 AM PST           55.82              4         0              Normal
  11/08/2026 08 AM PST           55.82              4         0              Normal
  11/08/2026 09 AM PST           55.83              4         +              Normal
  11/08/2026 10 AM PST           55.83              4         0              Normal
  11/08/2026 11 AM PST           55.83              4         0              Normal
  11/08/2026 12 PM PST           55.83              4         0              Normal
  11/08/2026 01 PM PST           55.83              4         0              Normal
  11/08/2026 02 PM PST           55.83              4         0              Normal
  11/08/2026 03 PM PST           55.83              4         0              Normal
  11/08/2026 04 PM PST           55.83              4         0              Normal
  11/08/2026 05 PM PST           55.83              4         0              Normal
  11/08/2026 06 PM PST           55.83              4         0              Normal
  11/08/2026 07 PM PST           55.83              4         0              Normal
  11/08/2026 08 PM PST           55.83              4         0              Normal
  11/08/2026 09 PM PST           55.83              4         0              Normal
  11/08/2026 10 PM PST           55.83              4         0              Normal
  11/08/2026 11 PM PST           55.83              4         0              Normal
  11/09/2026 12 AM PST           55.83              4         0              Normal
  11/09/2026 01 AM PST           55.83              4         0              Normal
  11/09/2026 02 AM PST           55.84              4         +              Normal
  11/09/2026 03 AM PST           55.84              4         0              Normal
  11/09/2026 04 AM PST           55.84              4         0              Normal
  11/09/2026 05 AM PST           55.84              4         0              Normal
  11/09/2026 06 AM PST           55.84              4         0              Normal
  11/09/2026 07 AM PST           55.84              4         0              Normal
  11/09/2026 08 AM PST           55.84              4         0              Normal
  11/09/2026 09 AM PST           55.84              4         0              Normal
  11/09/2026 10 AM PST           55.84              4         0              Normal
  11/09/2026 11 AM PST           55.84              4         0              Normal
  11/09/2026 12 PM PST           55.84              4         0              Normal
  11/09/2026 01 PM PST           55.85              4         +              Normal
  11/09/2026 02 PM PST           55.84              4         -              Normal
  11/09/2026 03 PM PST           55.85              4         +              Normal
  11/09/2026 04 PM PST           55.85              4         0              Normal
  11/09/2026 05 PM PST           55.85              4         0              Normal
  11/09/2026 06 PM PST           55.85              4         0              Normal
  11/09/2026 07 PM PST           55.85              4         0              Normal
  11/09/2026 08 PM PST           55.85              4         0              Normal
  11/09/2026 09 PM PST           55.85              4         0              Normal
  11/09/2026 10 PM PST           55.85              4         0              Normal
  11/09/2026 11 PM PST           55.85              4         0              Normal
  11/10/2026 12 AM PST           55.85              4         0              Normal
  11/10/2026 01 AM PST           55.85              4         0              Normal
  11/10/2026 02 AM PST           55.85              4         0              Normal
  11/10/2026 03 AM PST           55.85              4         0              Normal
  11/10/2026 04 AM PST           55.85              4         0              Normal
  11/10/2026 05 AM PST           55.85              4         0              Normal
  11/10/2026 06 AM PST           55.85              4         0              Normal
  11/10/2026 07 AM PST           55.85              4         0              Normal
  11/10/2026 08 AM PST           55.85              4         0              Normal
  11/10/2026 09 AM PST           55.85              4         0              Normal
  11/10/2026 10 AM PST           55.85              4         0              Normal
  11/10/2026 11 AM PST           55.85              4         0              Normal
  11/10/2026 12 PM PST           55.85              4         0              Normal
  11/10/2026 01 PM PST           55.85              4         0              Normal
  11/10/2026 02 PM PST           55.86              4         +              Normal
  11/10/2026 03 PM PST           55.86              4         0              Normal
  11/10/2026 04 PM PST           55.86              4         0              Normal
  11/10/2026 05 PM PST           55.86              4         0              Normal
  11/10/2026 06 PM PST           55.86              4         0              Normal
  11/10/2026 07 PM PST           55.86              4         0              Normal
  11/10/2026 08 PM PST           55.86              4         0              Normal
  11/10/2026 09 PM PST           55.86              4         0              Normal
  11/10/2026 10 PM PST           55.86              4         0              Normal
  11/10/2026 11 PM PST           55.86              4         0              Normal
  11/11/2026 12 AM PST           55.86              4         0              Normal
  11/11/2026 01 AM PST           55.86              4         0              Normal
  11/11/2026 02 AM PST           55.86              4         0              Normal
  11/11/2026 03 AM PST           55.86              4         0              Normal
  11/11/2026 04 AM PST           55.86              4         0              Normal
  11/11/2026 05 AM PST           55.86              4         0              Normal
  11/11/2026 06 AM PST           55.86              4         0              Normal
  11/11/2026 07 AM PST           55.86              4         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/11/2026 08 AM PST           55.86              4                        Normal
  11/11/2026 09 AM PST           55.86              4         0              Normal
  11/11/2026 10 AM PST           55.86              4         0              Normal
  11/11/2026 11 AM PST           55.86              4         0              Normal
  11/11/2026 12 PM PST           55.86              4         0              Normal
  11/11/2026 01 PM PST           55.86              4         0              Normal
  11/11/2026 02 PM PST           55.86              4         0              Normal
  11/11/2026 03 PM PST           55.86              4         0              Normal
  11/11/2026 04 PM PST           55.86              4         0              Normal
  11/11/2026 05 PM PST           55.86              4         0              Normal
  11/11/2026 06 PM PST           55.86              4         0              Normal
  11/11/2026 07 PM PST           55.86              4         0              Normal
  11/11/2026 08 PM PST           55.86              4         0              Normal
  11/11/2026 09 PM PST           55.86              4         0              Normal
  11/11/2026 10 PM PST           55.86              4         0              Normal
  11/11/2026 11 PM PST           55.86              4         0              Normal
  11/12/2026 12 AM PST           55.86              4         0              Normal
  11/12/2026 01 AM PST           55.86              4         0              Normal
  11/12/2026 02 AM PST           55.86              4         0              Normal
  11/12/2026 03 AM PST           55.86              4         0              Normal
  11/12/2026 04 AM PST           55.86              4         0              Normal
  11/12/2026 05 AM PST           55.86              4         0              Normal
  11/12/2026 06 AM PST           55.86              4         0              Normal
  11/12/2026 07 AM PST           55.86              4         0              Normal
  11/12/2026 08 AM PST           55.86              4         0              Normal
  11/12/2026 09 AM PST           55.86              4         0              Normal
  11/12/2026 10 AM PST           55.86              4         0              Normal
  11/12/2026 11 AM PST           55.86              4         0              Normal
  11/12/2026 12 PM PST           55.86              4         0              Normal
  11/12/2026 01 PM PST           55.86              4         0              Normal
  11/12/2026 02 PM PST           55.86              4         0              Normal
  11/12/2026 03 PM PST           55.86              4         0              Normal
  11/12/2026 04 PM PST           55.86              4         0              Normal
  11/12/2026 05 PM PST           55.86              4         0              Normal
  11/12/2026 06 PM PST           55.86              4         0              Normal
  11/12/2026 07 PM PST           55.86              4         0              Normal
  11/12/2026 08 PM PST           55.86              4         0              Normal
  11/12/2026 09 PM PST           55.86              4         0              Normal
  11/12/2026 10 PM PST           55.86              4         0              Normal
  11/12/2026 11 PM PST           55.86              4         0              Normal
  11/13/2026 12 AM PST           55.86              4         0              Normal
  11/13/2026 01 AM PST           55.86              4         0              Normal
  11/13/2026 02 AM PST           55.86              4         0              Normal
  11/13/2026 03 AM PST           55.86              4         0              Normal
  11/13/2026 04 AM PST           55.86              4         0              Normal
  11/13/2026 05 AM PST           55.86              4         0              Normal
  11/13/2026 06 AM PST           55.86              4         0              Normal
  11/13/2026 07 AM PST           55.86              4         0              Normal
  11/13/2026 08 AM PST           55.86              4         0              Normal
  11/13/2026 09 AM PST           55.86              4         0              Normal
  11/13/2026 10 AM PST           55.86              4         0              Normal
  11/13/2026 11 AM PST           55.86              4         0              Normal
  11/13/2026 12 PM PST           55.86              4         0              Normal
  11/13/2026 01 PM PST           55.86              4         0              Normal
  11/13/2026 02 PM PST           55.86              4         0              Normal
  11/13/2026 03 PM PST           55.86              4         0              Normal
  11/13/2026 04 PM PST           55.86              4         0              Normal
  11/13/2026 05 PM PST           55.86              4         0              Normal
  11/13/2026 06 PM PST           55.96              5         +              Normal
  11/13/2026 07 PM PST           56.13              7         +              Normal
  11/13/2026 08 PM PST           56.38             10         +              Normal
  11/13/2026 09 PM PST           56.62             15         +              Normal
  11/13/2026 10 PM PST           56.88             21         +              Normal
  11/13/2026 11 PM PST           57.11             27         +              Normal
  11/14/2026 12 AM PST           57.33             34         +              Normal
  11/14/2026 01 AM PST           57.52             42         +              Normal
  11/14/2026 02 AM PST           57.70             50         +              Normal
  11/14/2026 03 AM PST           57.89             59         +              Normal
  11/14/2026 04 AM PST           58.06             68         +              Normal
  11/14/2026 05 AM PST           58.21             76         +              Normal
  11/14/2026 06 AM PST           58.34             84         +              Normal
  11/14/2026 07 AM PST           58.46             91         +              Normal
  11/14/2026 08 AM PST           58.55             98         +              Normal
  11/14/2026 09 AM PST           58.60            102         +              Normal
  11/14/2026 10 AM PST           58.63            104         +              Normal
  11/14/2026 11 AM PST           58.63            104         0              Normal
  11/14/2026 12 PM PST           58.63            104         0              Normal
  11/14/2026 01 PM PST           58.62            103         -              Normal
  11/14/2026 02 PM PST           58.59            101         -              Normal
  11/14/2026 03 PM PST           58.57            100         -              Normal
  11/14/2026 04 PM PST           58.54             97         -              Normal
  11/14/2026 05 PM PST           58.51             95         -              Normal
  11/14/2026 06 PM PST           58.47             92         -              Normal
  11/14/2026 07 PM PST           58.44             90         -              Normal
  11/14/2026 08 PM PST           58.40             87         -              Normal
  11/14/2026 09 PM PST           58.36             85         -              Normal
  11/14/2026 10 PM PST           58.32             83         -              Normal
  11/14/2026 11 PM PST           58.28             80         -              Normal
  11/15/2026 12 AM PST           58.24             78         -              Normal
  11/15/2026 01 AM PST           58.20             76         -              Normal
  11/15/2026 02 AM PST           58.16             74         -              Normal
  11/15/2026 03 AM PST           58.11             71         -              Normal
  11/15/2026 04 AM PST           58.07             69         -              Normal
  11/15/2026 05 AM PST           58.03             67         -              Normal
  11/15/2026 06 AM PST           57.98             64         -              Normal
  11/15/2026 07 AM PST           57.94             62         -              Normal
  11/15/2026 08 AM PST           57.91             60         -              Normal
  11/15/2026 09 AM PST           57.87             58         -              Normal
  11/15/2026 10 AM PST           57.82             55         -              Normal
  11/15/2026 11 AM PST           57.78             53         -              Normal
  11/15/2026 12 PM PST           57.74             51         -              Normal
  11/15/2026 01 PM PST           57.70             50         -              Normal
  11/15/2026 02 PM PST           57.66             48         -              Normal
  11/15/2026 03 PM PST           57.62             46         -              Normal
  11/15/2026 04 PM PST           57.58             44         -              Normal
  11/15/2026 05 PM PST           57.55             43         -              Normal
  11/15/2026 06 PM PST           57.51             41         -              Normal
  11/15/2026 07 PM PST           57.48             40         -              Normal
  11/15/2026 08 PM PST           57.45             39         -              Normal
  11/15/2026 09 PM PST           57.42             38         -              Normal
  11/15/2026 10 PM PST           57.40             37         -              Normal
  11/15/2026 11 PM PST           57.38             36         -              Normal
  11/16/2026 12 AM PST           57.37             36         -              Normal
  11/16/2026 01 AM PST           57.37             36         0              Normal
  11/16/2026 02 AM PST           57.39             36         +              Normal
  11/16/2026 03 AM PST           57.44             38         +              Normal
  11/16/2026 04 AM PST           57.52             42         +              Normal
#
# 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.