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 - HACIENDA BRIDGE (RIOC1)
Latitude: 38.51º NLongitude: 122.93º WElevation: 20 FeetForecast Type: Unofficial Location
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Oct 11 2026 at 6:50 AM PDTNext Issuance: Oct 12 2026 at 9:00 AM PDT
Action: 31.0 FeetMinor Flood: 34.0 FeetModerate Flood: N/A Major Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Russian River - Hacienda Bridge (RIOC1)
#
# File Generation Time:  10/11/2026 at 06:51 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  10/11/2026 at 06:00 AM PDT
# Maximum Observed Stage:                       1.39 Feet
# Maximum Observed Flow:                        135 cfs
#
# Earliest Date & Time of Maximum Forecast:     10/11/2026 at 06:00 PM PDT
# Maximum Forecast Stage:                       1.40 Feet
# Maximum Forecast Flow:                        136 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  10/06/2026 06 AM PDT            1.28            123                        Normal
  10/06/2026 07 AM PDT            1.28            123         0              Normal
  10/06/2026 08 AM PDT            1.28            123         0              Normal
  10/06/2026 09 AM PDT            1.28            123         0              Normal
  10/06/2026 10 AM PDT            1.28            123         0              Normal
  10/06/2026 11 AM PDT            1.29            124         +              Normal
  10/06/2026 12 PM PDT            1.29            124         0              Normal
  10/06/2026 01 PM PDT            1.29            124         0              Normal
  10/06/2026 02 PM PDT            1.29            124         0              Normal
  10/06/2026 03 PM PDT            1.29            124         0              Normal
  10/06/2026 04 PM PDT            1.29            124         0              Normal
  10/06/2026 05 PM PDT            1.28            123         -              Normal
  10/06/2026 06 PM PDT            1.28            123         0              Normal
  10/06/2026 07 PM PDT            1.28            123         0              Normal
  10/06/2026 08 PM PDT            1.28            123         0              Normal
  10/06/2026 09 PM PDT            1.28            123         0              Normal
  10/06/2026 10 PM PDT            1.28            123         0              Normal
  10/06/2026 11 PM PDT            1.28            123         0              Normal
  10/07/2026 12 AM PDT            1.28            123         0              Normal
  10/07/2026 01 AM PDT            1.28            123         0              Normal
  10/07/2026 02 AM PDT            1.28            123         0              Normal
  10/07/2026 03 AM PDT            1.28            123         0              Normal
  10/07/2026 04 AM PDT            1.28            123         0              Normal
  10/07/2026 05 AM PDT            1.27            122         -              Normal
  10/07/2026 06 AM PDT            1.28            123         +              Normal
  10/07/2026 07 AM PDT            1.28            123         0              Normal
  10/07/2026 08 AM PDT            1.28            123         0              Normal
  10/07/2026 09 AM PDT            1.28            123         0              Normal
  10/07/2026 10 AM PDT            1.28            123         0              Normal
  10/07/2026 11 AM PDT            1.29            124         +              Normal
  10/07/2026 12 PM PDT            1.29            124         0              Normal
  10/07/2026 01 PM PDT            1.29            124         0              Normal
  10/07/2026 02 PM PDT            1.29            124         0              Normal
  10/07/2026 03 PM PDT            1.28            123         -              Normal
  10/07/2026 04 PM PDT            1.28            123         0              Normal
  10/07/2026 05 PM PDT            1.28            123         0              Normal
  10/07/2026 06 PM PDT            1.28            123         0              Normal
  10/07/2026 07 PM PDT            1.28            123         0              Normal
  10/07/2026 08 PM PDT            1.28            123         0              Normal
  10/07/2026 09 PM PDT            1.28            123         0              Normal
  10/07/2026 10 PM PDT            1.28            123         0              Normal
  10/07/2026 11 PM PDT            1.28            123         0              Normal
  10/08/2026 12 AM PDT            1.28            123         0              Normal
  10/08/2026 01 AM PDT            1.28            123         0              Normal
  10/08/2026 02 AM PDT            1.28            123         0              Normal
  10/08/2026 03 AM PDT            1.28            123         0              Normal
  10/08/2026 04 AM PDT            1.28            123         0              Normal
  10/08/2026 05 AM PDT            1.28            123         0              Normal
  10/08/2026 06 AM PDT            1.29            124         +              Normal
  10/08/2026 07 AM PDT            1.29            124         0              Normal
  10/08/2026 08 AM PDT            1.30            125         +              Normal
  10/08/2026 09 AM PDT            1.30            125         0              Normal
  10/08/2026 10 AM PDT            1.30            125         0              Normal
  10/08/2026 11 AM PDT            1.31            126         +              Normal
  10/08/2026 12 PM PDT            1.32            127         +              Normal
  10/08/2026 01 PM PDT            1.32            127         0              Normal
  10/08/2026 02 PM PDT            1.32            127         0              Normal
  10/08/2026 03 PM PDT            1.32            127         0              Normal
  10/08/2026 04 PM PDT            1.32            127         0              Normal
  10/08/2026 05 PM PDT            1.32            127         0              Normal
  10/08/2026 06 PM PDT            1.32            127         0              Normal
  10/08/2026 07 PM PDT            1.32            127         0              Normal
  10/08/2026 08 PM PDT            1.32            127         0              Normal
  10/08/2026 09 PM PDT            1.33            128         +              Normal
  10/08/2026 10 PM PDT            1.33            128         0              Normal
  10/08/2026 11 PM PDT            1.33            128         0              Normal
  10/09/2026 12 AM PDT            1.33            128         0              Normal
  10/09/2026 01 AM PDT            1.33            128         0              Normal
  10/09/2026 02 AM PDT            1.34            129         +              Normal
  10/09/2026 03 AM PDT            1.34            129         0              Normal
  10/09/2026 04 AM PDT            1.34            129         0              Normal
  10/09/2026 05 AM PDT            1.34            129         0              Normal
  10/09/2026 06 AM PDT            1.34            129         0              Normal
  10/09/2026 07 AM PDT            1.34            129         0              Normal
  10/09/2026 08 AM PDT            1.34            129         0              Normal
  10/09/2026 09 AM PDT            1.34            129         0              Normal
  10/09/2026 10 AM PDT            1.34            129         0              Normal
  10/09/2026 11 AM PDT            1.35            130         +              Normal
  10/09/2026 12 PM PDT            1.35            130         0              Normal
  10/09/2026 01 PM PDT            1.35            130         0              Normal
  10/09/2026 02 PM PDT            1.34            129         -              Normal
  10/09/2026 03 PM PDT            1.34            129         0              Normal
  10/09/2026 04 PM PDT            1.34            129         0              Normal
  10/09/2026 05 PM PDT            1.34            129         0              Normal
  10/09/2026 06 PM PDT            1.33            128         -              Normal
  10/09/2026 07 PM PDT            1.34            129         +              Normal
  10/09/2026 08 PM PDT            1.34            129         0              Normal
  10/09/2026 09 PM PDT            1.34            129         0              Normal
  10/09/2026 10 PM PDT            1.34            129         0              Normal
  10/09/2026 11 PM PDT            1.34            129         0              Normal
  10/10/2026 12 AM PDT            1.34            129         0              Normal
  10/10/2026 01 AM PDT            1.34            129         0              Normal
  10/10/2026 02 AM PDT            1.34            129         0              Normal
  10/10/2026 03 AM PDT            1.34            129         0              Normal
  10/10/2026 04 AM PDT            1.34            129         0              Normal
  10/10/2026 05 AM PDT            1.35            130         +              Normal
  10/10/2026 06 AM PDT            1.35            130         0              Normal
  10/10/2026 07 AM PDT            1.35            130         0              Normal
  10/10/2026 08 AM PDT            1.35            130         0              Normal
  10/10/2026 09 AM PDT            1.36            131         +              Normal
  10/10/2026 10 AM PDT            1.36            131         0              Normal
  10/10/2026 11 AM PDT            1.37            133         +              Normal
  10/10/2026 12 PM PDT            1.37            133         0              Normal
  10/10/2026 01 PM PDT            1.37            133         0              Normal
  10/10/2026 02 PM PDT            1.37            133         0              Normal
  10/10/2026 03 PM PDT            1.37            133         0              Normal
  10/10/2026 04 PM PDT            1.37            133         0              Normal
  10/10/2026 05 PM PDT            1.37            133         0              Normal
  10/10/2026 06 PM PDT            1.37            133         0              Normal
  10/10/2026 07 PM PDT            1.37            133         0              Normal
  10/10/2026 08 PM PDT            1.37            133         0              Normal
  10/10/2026 09 PM PDT            1.37            133         0              Normal
  10/10/2026 10 PM PDT            1.38            134         +              Normal
  10/10/2026 11 PM PDT            1.38            134         0              Normal
  10/11/2026 12 AM PDT            1.38            134         0              Normal
  10/11/2026 01 AM PDT            1.39            135         +              Normal
  10/11/2026 02 AM PDT            1.39            135         0              Normal
  10/11/2026 03 AM PDT            1.39            135         0              Normal
  10/11/2026 04 AM PDT            1.39            135         0              Normal
  10/11/2026 05 AM PDT            1.39            135         0              Normal
  10/11/2026 06 AM PDT            1.39            135         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  10/11/2026 07 AM PDT            1.39            135                        Normal
  10/11/2026 08 AM PDT            1.39            135         0              Normal
  10/11/2026 09 AM PDT            1.39            135         0              Normal
  10/11/2026 10 AM PDT            1.39            135         0              Normal
  10/11/2026 11 AM PDT            1.39            135         0              Normal
  10/11/2026 12 PM PDT            1.39            135         0              Normal
  10/11/2026 01 PM PDT            1.39            135         0              Normal
  10/11/2026 02 PM PDT            1.39            135         0              Normal
  10/11/2026 03 PM PDT            1.39            135         0              Normal
  10/11/2026 04 PM PDT            1.39            135         0              Normal
  10/11/2026 05 PM PDT            1.39            135         0              Normal
  10/11/2026 06 PM PDT            1.40            136         +              Normal
  10/11/2026 07 PM PDT            1.40            136         0              Normal
  10/11/2026 08 PM PDT            1.39            135         -              Normal
  10/11/2026 09 PM PDT            1.39            135         0              Normal
  10/11/2026 10 PM PDT            1.39            135         0              Normal
  10/11/2026 11 PM PDT            1.39            135         0              Normal
  10/12/2026 12 AM PDT            1.39            135         0              Normal
  10/12/2026 01 AM PDT            1.39            135         0              Normal
  10/12/2026 02 AM PDT            1.39            135         0              Normal
  10/12/2026 03 AM PDT            1.39            135         0              Normal
  10/12/2026 04 AM PDT            1.39            135         0              Normal
  10/12/2026 05 AM PDT            1.39            135         0              Normal
  10/12/2026 06 AM PDT            1.39            135         0              Normal
  10/12/2026 07 AM PDT            1.39            135         0              Normal
  10/12/2026 08 AM PDT            1.39            135         0              Normal
  10/12/2026 09 AM PDT            1.39            135         0              Normal
  10/12/2026 10 AM PDT            1.39            135         0              Normal
  10/12/2026 11 AM PDT            1.39            135         0              Normal
  10/12/2026 12 PM PDT            1.38            134         -              Normal
  10/12/2026 01 PM PDT            1.38            134         0              Normal
  10/12/2026 02 PM PDT            1.38            134         0              Normal
  10/12/2026 03 PM PDT            1.38            134         0              Normal
  10/12/2026 04 PM PDT            1.37            133         -              Normal
  10/12/2026 05 PM PDT            1.37            133         0              Normal
  10/12/2026 06 PM PDT            1.37            133         0              Normal
  10/12/2026 07 PM PDT            1.37            133         0              Normal
  10/12/2026 08 PM PDT            1.37            133         0              Normal
  10/12/2026 09 PM PDT            1.37            133         0              Normal
  10/12/2026 10 PM PDT            1.36            131         -              Normal
  10/12/2026 11 PM PDT            1.36            131         0              Normal
  10/13/2026 12 AM PDT            1.36            131         0              Normal
  10/13/2026 01 AM PDT            1.36            131         0              Normal
  10/13/2026 02 AM PDT            1.35            130         -              Normal
  10/13/2026 03 AM PDT            1.35            130         0              Normal
  10/13/2026 04 AM PDT            1.35            130         0              Normal
  10/13/2026 05 AM PDT            1.35            130         0              Normal
  10/13/2026 06 AM PDT            1.35            130         0              Normal
  10/13/2026 07 AM PDT            1.35            130         0              Normal
  10/13/2026 08 AM PDT            1.35            130         0              Normal
  10/13/2026 09 AM PDT            1.35            130         0              Normal
  10/13/2026 10 AM PDT            1.35            130         0              Normal
  10/13/2026 11 AM PDT            1.35            130         0              Normal
  10/13/2026 12 PM PDT            1.34            129         -              Normal
  10/13/2026 01 PM PDT            1.34            129         0              Normal
  10/13/2026 02 PM PDT            1.34            129         0              Normal
  10/13/2026 03 PM PDT            1.34            129         0              Normal
  10/13/2026 04 PM PDT            1.34            129         0              Normal
  10/13/2026 05 PM PDT            1.34            129         0              Normal
  10/13/2026 06 PM PDT            1.35            130         +              Normal
  10/13/2026 07 PM PDT            1.35            130         0              Normal
  10/13/2026 08 PM PDT            1.35            130         0              Normal
  10/13/2026 09 PM PDT            1.35            130         0              Normal
  10/13/2026 10 PM PDT            1.35            130         0              Normal
  10/13/2026 11 PM PDT            1.35            130         0              Normal
  10/14/2026 12 AM PDT            1.35            130         0              Normal
  10/14/2026 01 AM PDT            1.35            130         0              Normal
  10/14/2026 02 AM PDT            1.35            130         0              Normal
  10/14/2026 03 AM PDT            1.35            130         0              Normal
  10/14/2026 04 AM PDT            1.35            130         0              Normal
  10/14/2026 05 AM PDT            1.35            130         0              Normal
  10/14/2026 06 AM PDT            1.35            130         0              Normal
  10/14/2026 07 AM PDT            1.35            130         0              Normal
  10/14/2026 08 AM PDT            1.35            130         0              Normal
  10/14/2026 09 AM PDT            1.35            130         0              Normal
  10/14/2026 10 AM PDT            1.35            130         0              Normal
  10/14/2026 11 AM PDT            1.35            130         0              Normal
  10/14/2026 12 PM PDT            1.35            130         0              Normal
  10/14/2026 01 PM PDT            1.35            130         0              Normal
  10/14/2026 02 PM PDT            1.35            130         0              Normal
  10/14/2026 03 PM PDT            1.35            130         0              Normal
  10/14/2026 04 PM PDT            1.35            130         0              Normal
  10/14/2026 05 PM PDT            1.35            130         0              Normal
  10/14/2026 06 PM PDT            1.36            131         +              Normal
  10/14/2026 07 PM PDT            1.36            131         0              Normal
  10/14/2026 08 PM PDT            1.36            131         0              Normal
  10/14/2026 09 PM PDT            1.36            131         0              Normal
  10/14/2026 10 PM PDT            1.36            131         0              Normal
  10/14/2026 11 PM PDT            1.36            131         0              Normal
  10/15/2026 12 AM PDT            1.36            131         0              Normal
  10/15/2026 01 AM PDT            1.36            131         0              Normal
  10/15/2026 02 AM PDT            1.36            131         0              Normal
  10/15/2026 03 AM PDT            1.36            131         0              Normal
  10/15/2026 04 AM PDT            1.36            131         0              Normal
  10/15/2026 05 AM PDT            1.36            131         0              Normal
  10/15/2026 06 AM PDT            1.36            131         0              Normal
  10/15/2026 07 AM PDT            1.36            131         0              Normal
  10/15/2026 08 AM PDT            1.36            131         0              Normal
  10/15/2026 09 AM PDT            1.36            131         0              Normal
  10/15/2026 10 AM PDT            1.36            131         0              Normal
  10/15/2026 11 AM PDT            1.37            133         +              Normal
  10/15/2026 12 PM PDT            1.37            133         0              Normal
  10/15/2026 01 PM PDT            1.37            133         0              Normal
  10/15/2026 02 PM PDT            1.37            133         0              Normal
  10/15/2026 03 PM PDT            1.37            133         0              Normal
  10/15/2026 04 PM PDT            1.37            133         0              Normal
  10/15/2026 05 PM PDT            1.37            133         0              Normal
  10/15/2026 06 PM PDT            1.37            133         0              Normal
  10/15/2026 07 PM PDT            1.37            133         0              Normal
  10/15/2026 08 PM PDT            1.37            133         0              Normal
  10/15/2026 09 PM PDT            1.37            133         0              Normal
  10/15/2026 10 PM PDT            1.37            133         0              Normal
  10/15/2026 11 PM PDT            1.37            133         0              Normal
  10/16/2026 12 AM PDT            1.38            134         +              Normal
  10/16/2026 01 AM PDT            1.38            134         0              Normal
  10/16/2026 02 AM PDT            1.38            134         0              Normal
  10/16/2026 03 AM PDT            1.38            134         0              Normal
  10/16/2026 04 AM PDT            1.38            134         0              Normal
  10/16/2026 05 AM PDT            1.38            134         0              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.