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 14 2026 at 10:19 AM PSTNext Issuance: Nov 15 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:  11/14/2026 at 10:20 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/14/2026 at 10:00 AM PST
# Maximum Observed Stage:                       56.19 Feet
# Maximum Observed Flow:                        8 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/19/2026 at 04:00 AM PST
# Maximum Forecast Stage:                       58.87 Feet
# Maximum Forecast Flow:                        136 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/09/2026 10 AM PST           55.84              4                        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
  11/11/2026 08 AM PST           55.86              4         0              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           55.87              4         +              Normal
  11/11/2026 02 PM PST           55.87              4         0              Normal
  11/11/2026 03 PM PST           55.87              4         0              Normal
  11/11/2026 04 PM PST           55.87              4         0              Normal
  11/11/2026 05 PM PST           55.87              4         0              Normal
  11/11/2026 06 PM PST           55.87              4         0              Normal
  11/11/2026 07 PM PST           55.87              4         0              Normal
  11/11/2026 08 PM PST           55.87              4         0              Normal
  11/11/2026 09 PM PST           55.87              4         0              Normal
  11/11/2026 10 PM PST           55.87              4         0              Normal
  11/11/2026 11 PM PST           55.87              4         0              Normal
  11/12/2026 12 AM PST           55.87              4         0              Normal
  11/12/2026 01 AM PST           55.87              4         0              Normal
  11/12/2026 02 AM PST           55.87              4         0              Normal
  11/12/2026 03 AM PST           55.87              4         0              Normal
  11/12/2026 04 AM PST           55.87              4         0              Normal
  11/12/2026 05 AM PST           55.87              4         0              Normal
  11/12/2026 06 AM PST           55.87              4         0              Normal
  11/12/2026 07 AM PST           55.87              4         0              Normal
  11/12/2026 08 AM PST           55.87              4         0              Normal
  11/12/2026 09 AM PST           55.87              4         0              Normal
  11/12/2026 10 AM PST           55.87              4         0              Normal
  11/12/2026 11 AM PST           55.87              4         0              Normal
  11/12/2026 12 PM PST           55.87              4         0              Normal
  11/12/2026 01 PM PST           55.87              4         0              Normal
  11/12/2026 02 PM PST           55.87              4         0              Normal
  11/12/2026 03 PM PST           55.87              4         0              Normal
  11/12/2026 04 PM PST           55.87              4         0              Normal
  11/12/2026 05 PM PST           55.87              4         0              Normal
  11/12/2026 06 PM PST           55.87              4         0              Normal
  11/12/2026 07 PM PST           55.87              4         0              Normal
  11/12/2026 08 PM PST           55.87              4         0              Normal
  11/12/2026 09 PM PST           55.87              4         0              Normal
  11/12/2026 10 PM PST           55.87              4         0              Normal
  11/12/2026 11 PM PST           55.87              4         0              Normal
  11/13/2026 12 AM PST           55.87              4         0              Normal
  11/13/2026 01 AM PST           55.88              4         +              Normal
  11/13/2026 02 AM PST           55.88              4         0              Normal
  11/13/2026 03 AM PST           55.88              4         0              Normal
  11/13/2026 04 AM PST           55.88              4         0              Normal
  11/13/2026 05 AM PST           55.88              4         0              Normal
  11/13/2026 06 AM PST           55.88              4         0              Normal
  11/13/2026 07 AM PST           55.88              4         0              Normal
  11/13/2026 08 AM PST           55.89              4         +              Normal
  11/13/2026 09 AM PST           55.90              4         +              Normal
  11/13/2026 10 AM PST           55.93              5         +              Normal
  11/13/2026 11 AM PST           55.95              5         +              Normal
  11/13/2026 12 PM PST           55.96              5         +              Normal
  11/13/2026 01 PM PST           55.98              5         +              Normal
  11/13/2026 02 PM PST           55.99              5         +              Normal
  11/13/2026 03 PM PST           56.00              5         +              Normal
  11/13/2026 04 PM PST           56.02              6         +              Normal
  11/13/2026 05 PM PST           56.03              6         +              Normal
  11/13/2026 06 PM PST           56.05              6         +              Normal
  11/13/2026 07 PM PST           56.06              6         +              Normal
  11/13/2026 08 PM PST           56.07              6         +              Normal
  11/13/2026 09 PM PST           56.08              6         +              Normal
  11/13/2026 10 PM PST           56.08              6         0              Normal
  11/13/2026 11 PM PST           56.09              6         +              Normal
  11/14/2026 12 AM PST           56.09              6         0              Normal
  11/14/2026 01 AM PST           56.09              6         0              Normal
  11/14/2026 02 AM PST           56.09              6         0              Normal
  11/14/2026 03 AM PST           56.10              7         +              Normal
  11/14/2026 04 AM PST           56.10              7         0              Normal
  11/14/2026 05 AM PST           56.10              7         0              Normal
  11/14/2026 06 AM PST           56.10              7         0              Normal
  11/14/2026 07 AM PST           56.10              7         0              Normal
  11/14/2026 08 AM PST           56.10              7         0              Normal
  11/14/2026 09 AM PST           56.10              7         0              Normal
  11/14/2026 10 AM PST           56.19              8         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/14/2026 11 AM PST           56.28              9                        Normal
  11/14/2026 12 PM PST           56.33             10         +              Normal
  11/14/2026 01 PM PST           56.35             10         +              Normal
  11/14/2026 02 PM PST           56.35             10         0              Normal
  11/14/2026 03 PM PST           56.34             10         -              Normal
  11/14/2026 04 PM PST           56.31              9         -              Normal
  11/14/2026 05 PM PST           56.27              9         -              Normal
  11/14/2026 06 PM PST           56.21              8         -              Normal
  11/14/2026 07 PM PST           56.14              7         -              Normal
  11/14/2026 08 PM PST           56.09              6         -              Normal
  11/14/2026 09 PM PST           56.03              6         -              Normal
  11/14/2026 10 PM PST           55.97              5         -              Normal
  11/14/2026 11 PM PST           55.97              5         0              Normal
  11/15/2026 12 AM PST           55.97              5         0              Normal
  11/15/2026 01 AM PST           55.97              5         0              Normal
  11/15/2026 02 AM PST           55.97              5         0              Normal
  11/15/2026 03 AM PST           55.97              5         0              Normal
  11/15/2026 04 AM PST           55.97              5         0              Normal
  11/15/2026 05 AM PST           55.97              5         0              Normal
  11/15/2026 06 AM PST           55.97              5         0              Normal
  11/15/2026 07 AM PST           55.97              5         0              Normal
  11/15/2026 08 AM PST           55.97              5         0              Normal
  11/15/2026 09 AM PST           55.97              5         0              Normal
  11/15/2026 10 AM PST           55.97              5         0              Normal
  11/15/2026 11 AM PST           55.97              5         0              Normal
  11/15/2026 12 PM PST           55.97              5         0              Normal
  11/15/2026 01 PM PST           55.97              5         0              Normal
  11/15/2026 02 PM PST           55.97              5         0              Normal
  11/15/2026 03 PM PST           55.97              5         0              Normal
  11/15/2026 04 PM PST           55.97              5         0              Normal
  11/15/2026 05 PM PST           55.97              5         0              Normal
  11/15/2026 06 PM PST           55.97              5         0              Normal
  11/15/2026 07 PM PST           55.97              5         0              Normal
  11/15/2026 08 PM PST           55.97              5         0              Normal
  11/15/2026 09 PM PST           55.97              5         0              Normal
  11/15/2026 10 PM PST           55.97              5         0              Normal
  11/15/2026 11 PM PST           55.97              5         0              Normal
  11/16/2026 12 AM PST           55.97              5         0              Normal
  11/16/2026 01 AM PST           56.00              5         +              Normal
  11/16/2026 02 AM PST           56.49             12         +              Normal
  11/16/2026 03 AM PST           56.81             19         +              Normal
  11/16/2026 04 AM PST           57.09             27         +              Normal
  11/16/2026 05 AM PST           57.31             33         +              Normal
  11/16/2026 06 AM PST           57.51             41         +              Normal
  11/16/2026 07 AM PST           57.66             48         +              Normal
  11/16/2026 08 AM PST           57.78             53         +              Normal
  11/16/2026 09 AM PST           57.85             57         +              Normal
  11/16/2026 10 AM PST           57.89             59         +              Normal
  11/16/2026 11 AM PST           57.91             60         +              Normal
  11/16/2026 12 PM PST           57.91             60         0              Normal
  11/16/2026 01 PM PST           57.91             60         0              Normal
  11/16/2026 02 PM PST           57.90             60         -              Normal
  11/16/2026 03 PM PST           57.87             58         -              Normal
  11/16/2026 04 PM PST           57.84             56         -              Normal
  11/16/2026 05 PM PST           57.80             54         -              Normal
  11/16/2026 06 PM PST           57.76             52         -              Normal
  11/16/2026 07 PM PST           57.71             50         -              Normal
  11/16/2026 08 PM PST           57.67             48         -              Normal
  11/16/2026 09 PM PST           57.62             46         -              Normal
  11/16/2026 10 PM PST           57.57             44         -              Normal
  11/16/2026 11 PM PST           57.52             42         -              Normal
  11/17/2026 12 AM PST           57.46             39         -              Normal
  11/17/2026 01 AM PST           57.40             37         -              Normal
  11/17/2026 02 AM PST           57.34             35         -              Normal
  11/17/2026 03 AM PST           57.27             32         -              Normal
  11/17/2026 04 AM PST           57.22             30         -              Normal
  11/17/2026 05 AM PST           57.16             29         -              Normal
  11/17/2026 06 AM PST           57.10             27         -              Normal
  11/17/2026 07 AM PST           57.04             25         -              Normal
  11/17/2026 08 AM PST           56.98             23         -              Normal
  11/17/2026 09 AM PST           56.91             21         -              Normal
  11/17/2026 10 AM PST           56.84             20         -              Normal
  11/17/2026 11 AM PST           56.79             18         -              Normal
  11/17/2026 12 PM PST           56.73             17         -              Normal
  11/17/2026 01 PM PST           56.66             16         -              Normal
  11/17/2026 02 PM PST           56.60             15         -              Normal
  11/17/2026 03 PM PST           56.55             13         -              Normal
  11/17/2026 04 PM PST           56.49             12         -              Normal
  11/17/2026 05 PM PST           56.43             11         -              Normal
  11/17/2026 06 PM PST           56.35             10         -              Normal
  11/17/2026 07 PM PST           56.24              8         -              Normal
  11/17/2026 08 PM PST           56.13              7         -              Normal
  11/17/2026 09 PM PST           56.06              6         -              Normal
  11/17/2026 10 PM PST           55.98              5         -              Normal
  11/17/2026 11 PM PST           55.96              5         -              Normal
  11/18/2026 12 AM PST           55.96              5         0              Normal
  11/18/2026 01 AM PST           55.96              5         0              Normal
  11/18/2026 02 AM PST           55.96              5         0              Normal
  11/18/2026 03 AM PST           55.96              5         0              Normal
  11/18/2026 04 AM PST           55.96              5         0              Normal
  11/18/2026 05 AM PST           55.96              5         0              Normal
  11/18/2026 06 AM PST           55.96              5         0              Normal
  11/18/2026 07 AM PST           55.96              5         0              Normal
  11/18/2026 08 AM PST           55.96              5         0              Normal
  11/18/2026 09 AM PST           55.96              5         0              Normal
  11/18/2026 10 AM PST           55.96              5         0              Normal
  11/18/2026 11 AM PST           55.96              5         0              Normal
  11/18/2026 12 PM PST           55.96              5         0              Normal
  11/18/2026 01 PM PST           55.96              5         0              Normal
  11/18/2026 02 PM PST           55.96              5         0              Normal
  11/18/2026 03 PM PST           56.43             11         +              Normal
  11/18/2026 04 PM PST           56.76             18         +              Normal
  11/18/2026 05 PM PST           57.05             25         +              Normal
  11/18/2026 06 PM PST           57.28             32         +              Normal
  11/18/2026 07 PM PST           57.51             41         +              Normal
  11/18/2026 08 PM PST           57.71             50         +              Normal
  11/18/2026 09 PM PST           57.92             61         +              Normal
  11/18/2026 10 PM PST           58.11             71         +              Normal
  11/18/2026 11 PM PST           58.28             80         +              Normal
  11/19/2026 12 AM PST           58.43             89         +              Normal
  11/19/2026 01 AM PST           58.57            100         +              Normal
  11/19/2026 02 AM PST           58.69            111         +              Normal
  11/19/2026 03 AM PST           58.79            123         +              Normal
  11/19/2026 04 AM PST           58.87            136         +              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.