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

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YUBA RIVER - MARYSVILLE (MRYC1)
Latitude: 39.18º NLongitude: 121.52º WElevation: 88 FeetForecast Type: Official Location
Location: Yuba County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Feather Yuba
Issuance Time: Sep 20 2026 at 7:24 AM PDTNext Issuance: Sep 21 2026 at 9:00 AM PDT
Action: 74.0 FeetMinor Flood: 87.0 FeetModerate Flood: 90.0 FeetMajor Flood: 91.0 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Yuba River - Marysville (MRYC1)
#
# File Generation Time:  09/20/2026 at 07:24 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  09/19/2026 at 06:00 PM PDT
# Maximum Observed Stage:                       61.64 Feet
# Maximum Observed Flow:                        911 cfs
#
# Earliest Date & Time of Maximum Forecast:     09/20/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       61.63 Feet
# Maximum Forecast Flow:                        903 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  09/15/2026 07 AM PDT           61.58            865                        Normal
  09/15/2026 08 AM PDT           61.58            865         0              Normal
  09/15/2026 09 AM PDT           61.59            873         +              Normal
  09/15/2026 10 AM PDT           61.60            880         +              Normal
  09/15/2026 11 AM PDT           61.59            873         -              Normal
  09/15/2026 12 PM PDT           61.59            873         0              Normal
  09/15/2026 01 PM PDT           61.58            865         -              Normal
  09/15/2026 02 PM PDT           61.58            865         0              Normal
  09/15/2026 03 PM PDT           61.58            865         0              Normal
  09/15/2026 04 PM PDT           61.59            873         +              Normal
  09/15/2026 05 PM PDT           61.60            880         +              Normal
  09/15/2026 06 PM PDT           61.60            880         0              Normal
  09/15/2026 07 PM PDT           61.59            873         -              Normal
  09/15/2026 08 PM PDT           61.58            865         -              Normal
  09/15/2026 09 PM PDT           61.58            865         0              Normal
  09/15/2026 10 PM PDT           61.58            865         0              Normal
  09/15/2026 11 PM PDT           61.59            873         +              Normal
  09/16/2026 12 AM PDT           61.58            865         -              Normal
  09/16/2026 01 AM PDT           61.59            873         +              Normal
  09/16/2026 02 AM PDT           61.59            873         0              Normal
  09/16/2026 03 AM PDT           61.59            873         0              Normal
  09/16/2026 04 AM PDT           61.58            865         -              Normal
  09/16/2026 05 AM PDT           61.59            873         +              Normal
  09/16/2026 06 AM PDT           61.59            873         0              Normal
  09/16/2026 07 AM PDT           61.59            873         0              Normal
  09/16/2026 08 AM PDT           61.59            873         0              Normal
  09/16/2026 09 AM PDT           61.58            865         -              Normal
  09/16/2026 10 AM PDT           61.58            865         0              Normal
  09/16/2026 11 AM PDT           61.58            865         0              Normal
  09/16/2026 12 PM PDT           61.58            865         0              Normal
  09/16/2026 01 PM PDT           61.58            865         0              Normal
  09/16/2026 02 PM PDT           61.59            873         +              Normal
  09/16/2026 03 PM PDT           61.59            873         0              Normal
  09/16/2026 04 PM PDT           61.60            880         +              Normal
  09/16/2026 05 PM PDT           61.59            873         -              Normal
  09/16/2026 06 PM PDT           61.59            873         0              Normal
  09/16/2026 07 PM PDT           61.59            873         0              Normal
  09/16/2026 08 PM PDT           61.57            858         -              Normal
  09/16/2026 09 PM PDT           61.58            865         +              Normal
  09/16/2026 10 PM PDT           61.58            865         0              Normal
  09/16/2026 11 PM PDT           61.57            858         -              Normal
  09/17/2026 12 AM PDT           61.58            865         +              Normal
  09/17/2026 01 AM PDT           61.58            865         0              Normal
  09/17/2026 02 AM PDT           61.59            873         +              Normal
  09/17/2026 03 AM PDT           61.58            865         -              Normal
  09/17/2026 04 AM PDT           61.59            873         +              Normal
  09/17/2026 05 AM PDT           61.59            873         0              Normal
  09/17/2026 06 AM PDT           61.59            873         0              Normal
  09/17/2026 07 AM PDT           61.59            873         0              Normal
  09/17/2026 08 AM PDT           61.59            873         0              Normal
  09/17/2026 09 AM PDT           61.59            873         0              Normal
  09/17/2026 10 AM PDT           61.60            880         +              Normal
  09/17/2026 11 AM PDT           61.60            880         0              Normal
  09/17/2026 12 PM PDT           61.60            880         0              Normal
  09/17/2026 01 PM PDT           61.59            873         -              Normal
  09/17/2026 02 PM PDT           61.59            873         0              Normal
  09/17/2026 03 PM PDT           61.59            873         0              Normal
  09/17/2026 04 PM PDT           61.60            880         +              Normal
  09/17/2026 05 PM PDT           61.61            888         +              Normal
  09/17/2026 06 PM PDT           61.60            880         -              Normal
  09/17/2026 07 PM PDT           61.59            873         -              Normal
  09/17/2026 08 PM PDT           61.60            880         +              Normal
  09/17/2026 09 PM PDT           61.60            880         0              Normal
  09/17/2026 10 PM PDT           61.59            873         -              Normal
  09/17/2026 11 PM PDT           61.60            880         +              Normal
  09/18/2026 12 AM PDT           61.61            888         +              Normal
  09/18/2026 01 AM PDT           61.60            880         -              Normal
  09/18/2026 02 AM PDT           61.60            880         0              Normal
  09/18/2026 03 AM PDT           61.60            880         0              Normal
  09/18/2026 04 AM PDT           61.60            880         0              Normal
  09/18/2026 05 AM PDT           61.61            888         +              Normal
  09/18/2026 06 AM PDT           61.60            880         -              Normal
  09/18/2026 07 AM PDT           61.60            880         0              Normal
  09/18/2026 08 AM PDT           61.61            888         +              Normal
  09/18/2026 09 AM PDT           61.62            896         +              Normal
  09/18/2026 10 AM PDT           61.62            896         0              Normal
  09/18/2026 11 AM PDT           61.61            888         -              Normal
  09/18/2026 12 PM PDT           61.61            888         0              Normal
  09/18/2026 01 PM PDT           61.61            888         0              Normal
  09/18/2026 02 PM PDT           61.61            888         0              Normal
  09/18/2026 03 PM PDT           61.60            880         -              Normal
  09/18/2026 04 PM PDT           61.61            888         +              Normal
  09/18/2026 05 PM PDT           61.62            896         +              Normal
  09/18/2026 06 PM PDT           61.62            896         0              Normal
  09/18/2026 07 PM PDT           61.61            888         -              Normal
  09/18/2026 08 PM PDT           61.62            896         +              Normal
  09/18/2026 09 PM PDT           61.62            896         0              Normal
  09/18/2026 10 PM PDT           61.61            888         -              Normal
  09/18/2026 11 PM PDT           61.61            888         0              Normal
  09/19/2026 12 AM PDT           61.62            896         +              Normal
  09/19/2026 01 AM PDT           61.63            903         +              Normal
  09/19/2026 02 AM PDT           61.62            896         -              Normal
  09/19/2026 03 AM PDT           61.62            896         0              Normal
  09/19/2026 04 AM PDT           61.62            896         0              Normal
  09/19/2026 05 AM PDT           61.62            896         0              Normal
  09/19/2026 06 AM PDT           61.62            896         0              Normal
  09/19/2026 07 AM PDT           61.61            888         -              Normal
  09/19/2026 08 AM PDT           61.62            896         +              Normal
  09/19/2026 09 AM PDT           61.62            896         0              Normal
  09/19/2026 10 AM PDT           61.61            888         -              Normal
  09/19/2026 11 AM PDT           61.62            896         +              Normal
  09/19/2026 12 PM PDT           61.62            896         0              Normal
  09/19/2026 01 PM PDT           61.62            896         0              Normal
  09/19/2026 02 PM PDT           61.62            896         0              Normal
  09/19/2026 03 PM PDT           61.64            911         +              Normal
  09/19/2026 04 PM PDT           61.64            911         0              Normal
  09/19/2026 05 PM PDT           61.64            911         0              Normal
  09/19/2026 06 PM PDT           61.64            911         0              Normal
  09/19/2026 07 PM PDT           61.63            903         -              Normal
  09/19/2026 08 PM PDT           61.63            903         0              Normal
  09/19/2026 09 PM PDT           61.63            903         0              Normal
  09/19/2026 10 PM PDT           61.63            903         0              Normal
  09/19/2026 11 PM PDT           61.63            903         0              Normal
  09/20/2026 12 AM PDT           61.63            903         0              Normal
  09/20/2026 01 AM PDT           61.63            903         0              Normal
  09/20/2026 02 AM PDT           61.63            903         0              Normal
  09/20/2026 03 AM PDT           61.63            903         0              Normal
  09/20/2026 04 AM PDT           61.63            903         0              Normal
  09/20/2026 05 AM PDT           61.63            903         0              Normal
  09/20/2026 06 AM PDT           61.63            903         0              Normal
  09/20/2026 07 AM PDT           61.63            903         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  09/20/2026 08 AM PDT           61.63            903                        Normal
  09/20/2026 09 AM PDT           61.62            896         -              Normal
  09/20/2026 10 AM PDT           61.62            896         0              Normal
  09/20/2026 11 AM PDT           61.60            880         -              Normal
  09/20/2026 12 PM PDT           61.58            865         -              Normal
  09/20/2026 01 PM PDT           61.58            865         0              Normal
  09/20/2026 02 PM PDT           61.58            865         0              Normal
  09/20/2026 03 PM PDT           61.58            865         0              Normal
  09/20/2026 04 PM PDT           61.58            865         0              Normal
  09/20/2026 05 PM PDT           61.58            865         0              Normal
  09/20/2026 06 PM PDT           61.58            865         0              Normal
  09/20/2026 07 PM PDT           61.58            865         0              Normal
  09/20/2026 08 PM PDT           61.58            865         0              Normal
  09/20/2026 09 PM PDT           61.58            865         0              Normal
  09/20/2026 10 PM PDT           61.58            865         0              Normal
  09/20/2026 11 PM PDT           61.58            865         0              Normal
  09/21/2026 12 AM PDT           61.58            865         0              Normal
  09/21/2026 01 AM PDT           61.57            858         -              Normal
  09/21/2026 02 AM PDT           61.57            858         0              Normal
  09/21/2026 03 AM PDT           61.57            858         0              Normal
  09/21/2026 04 AM PDT           61.57            858         0              Normal
  09/21/2026 05 AM PDT           61.57            858         0              Normal
  09/21/2026 06 AM PDT           61.57            858         0              Normal
  09/21/2026 07 AM PDT           61.57            858         0              Normal
  09/21/2026 08 AM PDT           61.57            858         0              Normal
  09/21/2026 09 AM PDT           61.57            858         0              Normal
  09/21/2026 10 AM PDT           61.57            858         0              Normal
  09/21/2026 11 AM PDT           61.57            858         0              Normal
  09/21/2026 12 PM PDT           61.57            858         0              Normal
  09/21/2026 01 PM PDT           61.57            858         0              Normal
  09/21/2026 02 PM PDT           61.57            858         0              Normal
  09/21/2026 03 PM PDT           61.57            858         0              Normal
  09/21/2026 04 PM PDT           61.57            858         0              Normal
  09/21/2026 05 PM PDT           61.57            858         0              Normal
  09/21/2026 06 PM PDT           61.57            858         0              Normal
  09/21/2026 07 PM PDT           61.57            858         0              Normal
  09/21/2026 08 PM PDT           61.57            858         0              Normal
  09/21/2026 09 PM PDT           61.57            858         0              Normal
  09/21/2026 10 PM PDT           61.57            858         0              Normal
  09/21/2026 11 PM PDT           61.57            858         0              Normal
  09/22/2026 12 AM PDT           61.57            858         0              Normal
  09/22/2026 01 AM PDT           61.57            858         0              Normal
  09/22/2026 02 AM PDT           61.57            858         0              Normal
  09/22/2026 03 AM PDT           61.57            858         0              Normal
  09/22/2026 04 AM PDT           61.57            858         0              Normal
  09/22/2026 05 AM PDT           61.57            858         0              Normal
  09/22/2026 06 AM PDT           61.57            858         0              Normal
  09/22/2026 07 AM PDT           61.57            858         0              Normal
  09/22/2026 08 AM PDT           61.57            858         0              Normal
  09/22/2026 09 AM PDT           61.57            858         0              Normal
  09/22/2026 10 AM PDT           61.57            858         0              Normal
  09/22/2026 11 AM PDT           61.57            858         0              Normal
  09/22/2026 12 PM PDT           61.57            858         0              Normal
  09/22/2026 01 PM PDT           61.57            858         0              Normal
  09/22/2026 02 PM PDT           61.57            858         0              Normal
  09/22/2026 03 PM PDT           61.57            858         0              Normal
  09/22/2026 04 PM PDT           61.57            858         0              Normal
  09/22/2026 05 PM PDT           61.57            858         0              Normal
  09/22/2026 06 PM PDT           61.57            858         0              Normal
  09/22/2026 07 PM PDT           61.57            858         0              Normal
  09/22/2026 08 PM PDT           61.57            858         0              Normal
  09/22/2026 09 PM PDT           61.57            858         0              Normal
  09/22/2026 10 PM PDT           61.57            858         0              Normal
  09/22/2026 11 PM PDT           61.56            850         -              Normal
  09/23/2026 12 AM PDT           61.56            850         0              Normal
  09/23/2026 01 AM PDT           61.56            850         0              Normal
  09/23/2026 02 AM PDT           61.56            850         0              Normal
  09/23/2026 03 AM PDT           61.56            850         0              Normal
  09/23/2026 04 AM PDT           61.56            850         0              Normal
  09/23/2026 05 AM PDT           61.56            850         0              Normal
  09/23/2026 06 AM PDT           61.56            850         0              Normal
  09/23/2026 07 AM PDT           61.56            850         0              Normal
  09/23/2026 08 AM PDT           61.56            850         0              Normal
  09/23/2026 09 AM PDT           61.56            850         0              Normal
  09/23/2026 10 AM PDT           61.56            850         0              Normal
  09/23/2026 11 AM PDT           61.56            850         0              Normal
  09/23/2026 12 PM PDT           61.56            850         0              Normal
  09/23/2026 01 PM PDT           61.56            850         0              Normal
  09/23/2026 02 PM PDT           61.56            850         0              Normal
  09/23/2026 03 PM PDT           61.56            850         0              Normal
  09/23/2026 04 PM PDT           61.56            850         0              Normal
  09/23/2026 05 PM PDT           61.56            850         0              Normal
  09/23/2026 06 PM PDT           61.56            850         0              Normal
  09/23/2026 07 PM PDT           61.56            850         0              Normal
  09/23/2026 08 PM PDT           61.56            850         0              Normal
  09/23/2026 09 PM PDT           61.56            850         0              Normal
  09/23/2026 10 PM PDT           61.56            850         0              Normal
  09/23/2026 11 PM PDT           61.56            850         0              Normal
  09/24/2026 12 AM PDT           61.56            850         0              Normal
  09/24/2026 01 AM PDT           61.56            850         0              Normal
  09/24/2026 02 AM PDT           61.56            850         0              Normal
  09/24/2026 03 AM PDT           61.56            850         0              Normal
  09/24/2026 04 AM PDT           61.56            850         0              Normal
  09/24/2026 05 AM PDT           61.56            850         0              Normal
  09/24/2026 06 AM PDT           61.56            850         0              Normal
  09/24/2026 07 AM PDT           61.56            850         0              Normal
  09/24/2026 08 AM PDT           61.56            850         0              Normal
  09/24/2026 09 AM PDT           61.56            850         0              Normal
  09/24/2026 10 AM PDT           61.56            850         0              Normal
  09/24/2026 11 AM PDT           61.56            850         0              Normal
  09/24/2026 12 PM PDT           61.56            850         0              Normal
  09/24/2026 01 PM PDT           61.56            850         0              Normal
  09/24/2026 02 PM PDT           61.56            850         0              Normal
  09/24/2026 03 PM PDT           61.56            850         0              Normal
  09/24/2026 04 PM PDT           61.56            850         0              Normal
  09/24/2026 05 PM PDT           61.56            850         0              Normal
  09/24/2026 06 PM PDT           61.56            850         0              Normal
  09/24/2026 07 PM PDT           61.56            850         0              Normal
  09/24/2026 08 PM PDT           61.56            850         0              Normal
  09/24/2026 09 PM PDT           61.56            850         0              Normal
  09/24/2026 10 PM PDT           61.56            850         0              Normal
  09/24/2026 11 PM PDT           61.56            850         0              Normal
  09/25/2026 12 AM PDT           61.56            850         0              Normal
  09/25/2026 01 AM PDT           61.55            843         -              Normal
  09/25/2026 02 AM PDT           61.55            843         0              Normal
  09/25/2026 03 AM PDT           61.55            843         0              Normal
  09/25/2026 04 AM PDT           61.55            843         0              Normal
  09/25/2026 05 AM PDT           61.55            843         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.