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

 | 

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 05 2026 at 6:49 AM PDTNext Issuance: Sep 06 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:  09/05/2026 at 06:49 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  09/02/2026 at 01:00 PM PDT
# Maximum Observed Stage:                       61.57 Feet
# Maximum Observed Flow:                        858 cfs
#
# Earliest Date & Time of Maximum Forecast:     09/05/2026 at 07:00 AM PDT
# Maximum Forecast Stage:                       61.51 Feet
# Maximum Forecast Flow:                        814 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  08/31/2026 06 AM PDT           61.53            828                        Normal
  08/31/2026 07 AM PDT           61.54            836         +              Normal
  08/31/2026 08 AM PDT           61.54            836         0              Normal
  08/31/2026 09 AM PDT           61.53            828         -              Normal
  08/31/2026 10 AM PDT           61.54            836         +              Normal
  08/31/2026 11 AM PDT           61.53            828         -              Normal
  08/31/2026 12 PM PDT           61.54            836         +              Normal
  08/31/2026 01 PM PDT           61.54            836         0              Normal
  08/31/2026 02 PM PDT           61.54            836         0              Normal
  08/31/2026 03 PM PDT           61.53            828         -              Normal
  08/31/2026 04 PM PDT           61.51            814         -              Normal
  08/31/2026 05 PM PDT           61.53            828         +              Normal
  08/31/2026 06 PM PDT           61.52            821         -              Normal
  08/31/2026 07 PM PDT           61.51            814         -              Normal
  08/31/2026 08 PM PDT           61.51            814         0              Normal
  08/31/2026 09 PM PDT           61.51            814         0              Normal
  08/31/2026 10 PM PDT           61.51            814         0              Normal
  08/31/2026 11 PM PDT           61.51            814         0              Normal
  09/01/2026 12 AM PDT           61.52            821         +              Normal
  09/01/2026 01 AM PDT           61.51            814         -              Normal
  09/01/2026 02 AM PDT           61.52            821         +              Normal
  09/01/2026 03 AM PDT           61.51            814         -              Normal
  09/01/2026 04 AM PDT           61.51            814         0              Normal
  09/01/2026 05 AM PDT           61.52            821         +              Normal
  09/01/2026 06 AM PDT           61.51            814         -              Normal
  09/01/2026 07 AM PDT           61.52            821         +              Normal
  09/01/2026 08 AM PDT           61.52            821         0              Normal
  09/01/2026 09 AM PDT           61.51            814         -              Normal
  09/01/2026 10 AM PDT           61.50            807         -              Normal
  09/01/2026 11 AM PDT           61.51            814         +              Normal
  09/01/2026 12 PM PDT           61.52            821         +              Normal
  09/01/2026 01 PM PDT           61.53            828         +              Normal
  09/01/2026 02 PM PDT           61.53            828         0              Normal
  09/01/2026 03 PM PDT           61.53            828         0              Normal
  09/01/2026 04 PM PDT           61.53            828         0              Normal
  09/01/2026 05 PM PDT           61.53            828         0              Normal
  09/01/2026 06 PM PDT           61.52            821         -              Normal
  09/01/2026 07 PM PDT           61.51            814         -              Normal
  09/01/2026 08 PM PDT           61.50            807         -              Normal
  09/01/2026 09 PM PDT           61.51            814         +              Normal
  09/01/2026 10 PM PDT           61.51            814         0              Normal
  09/01/2026 11 PM PDT           61.50            807         -              Normal
  09/02/2026 12 AM PDT           61.50            807         0              Normal
  09/02/2026 01 AM PDT           61.51            814         +              Normal
  09/02/2026 02 AM PDT           61.51            814         0              Normal
  09/02/2026 03 AM PDT           61.51            814         0              Normal
  09/02/2026 04 AM PDT           61.52            821         +              Normal
  09/02/2026 05 AM PDT           61.51            814         -              Normal
  09/02/2026 06 AM PDT           61.52            821         +              Normal
  09/02/2026 07 AM PDT           61.52            821         0              Normal
  09/02/2026 08 AM PDT           61.51            814         -              Normal
  09/02/2026 09 AM PDT           61.53            828         +              Normal
  09/02/2026 10 AM PDT           61.54            836         +              Normal
  09/02/2026 11 AM PDT           61.56            850         +              Normal
  09/02/2026 12 PM PDT           61.56            850         0              Normal
  09/02/2026 01 PM PDT           61.57            858         +              Normal
  09/02/2026 02 PM PDT           61.56            850         -              Normal
  09/02/2026 03 PM PDT           61.56            850         0              Normal
  09/02/2026 04 PM PDT           61.54            836         -              Normal
  09/02/2026 05 PM PDT           61.53            828         -              Normal
  09/02/2026 06 PM PDT           61.53            828         0              Normal
  09/02/2026 07 PM PDT           61.52            821         -              Normal
  09/02/2026 08 PM PDT           61.52            821         0              Normal
  09/02/2026 09 PM PDT           61.52            821         0              Normal
  09/02/2026 10 PM PDT           61.52            821         0              Normal
  09/02/2026 11 PM PDT           61.52            821         0              Normal
  09/03/2026 12 AM PDT           61.53            828         +              Normal
  09/03/2026 01 AM PDT           61.51            814         -              Normal
  09/03/2026 02 AM PDT           61.52            821         +              Normal
  09/03/2026 03 AM PDT           61.52            821         0              Normal
  09/03/2026 04 AM PDT           61.52            821         0              Normal
  09/03/2026 05 AM PDT           61.52            821         0              Normal
  09/03/2026 06 AM PDT           61.53            828         +              Normal
  09/03/2026 07 AM PDT           61.53            828         0              Normal
  09/03/2026 08 AM PDT           61.52            821         -              Normal
  09/03/2026 09 AM PDT           61.53            828         +              Normal
  09/03/2026 10 AM PDT           61.53            828         0              Normal
  09/03/2026 11 AM PDT           61.52            821         -              Normal
  09/03/2026 12 PM PDT           61.52            821         0              Normal
  09/03/2026 01 PM PDT           61.52            821         0              Normal
  09/03/2026 02 PM PDT           61.51            814         -              Normal
  09/03/2026 03 PM PDT           61.51            814         0              Normal
  09/03/2026 04 PM PDT           61.52            821         +              Normal
  09/03/2026 05 PM PDT           61.51            814         -              Normal
  09/03/2026 06 PM PDT           61.51            814         0              Normal
  09/03/2026 07 PM PDT           61.51            814         0              Normal
  09/03/2026 08 PM PDT           61.51            814         0              Normal
  09/03/2026 09 PM PDT           61.52            821         +              Normal
  09/03/2026 10 PM PDT           61.52            821         0              Normal
  09/03/2026 11 PM PDT           61.53            828         +              Normal
  09/04/2026 12 AM PDT           61.55            843         +              Normal
  09/04/2026 01 AM PDT           61.55            843         0              Normal
  09/04/2026 02 AM PDT           61.54            836         -              Normal
  09/04/2026 03 AM PDT           61.54            836         0              Normal
  09/04/2026 04 AM PDT           61.53            828         -              Normal
  09/04/2026 05 AM PDT           61.53            828         0              Normal
  09/04/2026 06 AM PDT           61.54            836         +              Normal
  09/04/2026 07 AM PDT           61.54            836         0              Normal
  09/04/2026 08 AM PDT           61.54            836         0              Normal
  09/04/2026 09 AM PDT           61.54            836         0              Normal
  09/04/2026 10 AM PDT           61.54            836         0              Normal
  09/04/2026 11 AM PDT           61.55            843         +              Normal
  09/04/2026 12 PM PDT           61.54            836         -              Normal
  09/04/2026 01 PM PDT           61.54            836         0              Normal
  09/04/2026 02 PM PDT           61.53            828         -              Normal
  09/04/2026 03 PM PDT           61.52            821         -              Normal
  09/04/2026 04 PM PDT           61.53            828         +              Normal
  09/04/2026 05 PM PDT           61.52            821         -              Normal
  09/04/2026 06 PM PDT           61.53            828         +              Normal
  09/04/2026 07 PM PDT           61.52            821         -              Normal
  09/04/2026 08 PM PDT           61.52            821         0              Normal
  09/04/2026 09 PM PDT           61.52            821         0              Normal
  09/04/2026 10 PM PDT           61.52            821         0              Normal
  09/04/2026 11 PM PDT           61.52            821         0              Normal
  09/05/2026 12 AM PDT           61.52            821         0              Normal
  09/05/2026 01 AM PDT           61.52            821         0              Normal
  09/05/2026 02 AM PDT           61.53            828         +              Normal
  09/05/2026 03 AM PDT           61.52            821         -              Normal
  09/05/2026 04 AM PDT           61.51            814         -              Normal
  09/05/2026 05 AM PDT           61.51            814         0              Normal
  09/05/2026 06 AM PDT           61.51            814         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  09/05/2026 07 AM PDT           61.51            814                        Normal
  09/05/2026 08 AM PDT           61.51            814         0              Normal
  09/05/2026 09 AM PDT           61.51            814         0              Normal
  09/05/2026 10 AM PDT           61.49            799         -              Normal
  09/05/2026 11 AM PDT           61.47            785         -              Normal
  09/05/2026 12 PM PDT           61.45            771         -              Normal
  09/05/2026 01 PM PDT           61.45            771         0              Normal
  09/05/2026 02 PM PDT           61.44            764         -              Normal
  09/05/2026 03 PM PDT           61.44            764         0              Normal
  09/05/2026 04 PM PDT           61.44            764         0              Normal
  09/05/2026 05 PM PDT           61.44            764         0              Normal
  09/05/2026 06 PM PDT           61.46            778         +              Normal
  09/05/2026 07 PM PDT           61.45            771         -              Normal
  09/05/2026 08 PM PDT           61.45            771         0              Normal
  09/05/2026 09 PM PDT           61.45            771         0              Normal
  09/05/2026 10 PM PDT           61.45            771         0              Normal
  09/05/2026 11 PM PDT           61.45            771         0              Normal
  09/06/2026 12 AM PDT           61.45            771         0              Normal
  09/06/2026 01 AM PDT           61.45            771         0              Normal
  09/06/2026 02 AM PDT           61.45            771         0              Normal
  09/06/2026 03 AM PDT           61.45            771         0              Normal
  09/06/2026 04 AM PDT           61.45            771         0              Normal
  09/06/2026 05 AM PDT           61.45            771         0              Normal
  09/06/2026 06 AM PDT           61.45            771         0              Normal
  09/06/2026 07 AM PDT           61.45            771         0              Normal
  09/06/2026 08 AM PDT           61.45            771         0              Normal
  09/06/2026 09 AM PDT           61.45            771         0              Normal
  09/06/2026 10 AM PDT           61.45            771         0              Normal
  09/06/2026 11 AM PDT           61.45            771         0              Normal
  09/06/2026 12 PM PDT           61.45            771         0              Normal
  09/06/2026 01 PM PDT           61.45            771         0              Normal
  09/06/2026 02 PM PDT           61.45            771         0              Normal
  09/06/2026 03 PM PDT           61.44            764         -              Normal
  09/06/2026 04 PM PDT           61.44            764         0              Normal
  09/06/2026 05 PM PDT           61.44            764         0              Normal
  09/06/2026 06 PM PDT           61.46            778         +              Normal
  09/06/2026 07 PM PDT           61.46            778         0              Normal
  09/06/2026 08 PM PDT           61.46            778         0              Normal
  09/06/2026 09 PM PDT           61.46            778         0              Normal
  09/06/2026 10 PM PDT           61.46            778         0              Normal
  09/06/2026 11 PM PDT           61.46            778         0              Normal
  09/07/2026 12 AM PDT           61.46            778         0              Normal
  09/07/2026 01 AM PDT           61.45            771         -              Normal
  09/07/2026 02 AM PDT           61.45            771         0              Normal
  09/07/2026 03 AM PDT           61.45            771         0              Normal
  09/07/2026 04 AM PDT           61.45            771         0              Normal
  09/07/2026 05 AM PDT           61.45            771         0              Normal
  09/07/2026 06 AM PDT           61.45            771         0              Normal
  09/07/2026 07 AM PDT           61.45            771         0              Normal
  09/07/2026 08 AM PDT           61.45            771         0              Normal
  09/07/2026 09 AM PDT           61.45            771         0              Normal
  09/07/2026 10 AM PDT           61.45            771         0              Normal
  09/07/2026 11 AM PDT           61.45            771         0              Normal
  09/07/2026 12 PM PDT           61.45            771         0              Normal
  09/07/2026 01 PM PDT           61.45            771         0              Normal
  09/07/2026 02 PM PDT           61.45            771         0              Normal
  09/07/2026 03 PM PDT           61.45            771         0              Normal
  09/07/2026 04 PM PDT           61.45            771         0              Normal
  09/07/2026 05 PM PDT           61.45            771         0              Normal
  09/07/2026 06 PM PDT           61.46            778         +              Normal
  09/07/2026 07 PM PDT           61.46            778         0              Normal
  09/07/2026 08 PM PDT           61.46            778         0              Normal
  09/07/2026 09 PM PDT           61.46            778         0              Normal
  09/07/2026 10 PM PDT           61.46            778         0              Normal
  09/07/2026 11 PM PDT           61.46            778         0              Normal
  09/08/2026 12 AM PDT           61.46            778         0              Normal
  09/08/2026 01 AM PDT           61.46            778         0              Normal
  09/08/2026 02 AM PDT           61.46            778         0              Normal
  09/08/2026 03 AM PDT           61.46            778         0              Normal
  09/08/2026 04 AM PDT           61.46            778         0              Normal
  09/08/2026 05 AM PDT           61.46            778         0              Normal
  09/08/2026 06 AM PDT           61.46            778         0              Normal
  09/08/2026 07 AM PDT           61.45            771         -              Normal
  09/08/2026 08 AM PDT           61.45            771         0              Normal
  09/08/2026 09 AM PDT           61.45            771         0              Normal
  09/08/2026 10 AM PDT           61.45            771         0              Normal
  09/08/2026 11 AM PDT           61.45            771         0              Normal
  09/08/2026 12 PM PDT           61.45            771         0              Normal
  09/08/2026 01 PM PDT           61.45            771         0              Normal
  09/08/2026 02 PM PDT           61.45            771         0              Normal
  09/08/2026 03 PM PDT           61.45            771         0              Normal
  09/08/2026 04 PM PDT           61.45            771         0              Normal
  09/08/2026 05 PM PDT           61.45            771         0              Normal
  09/08/2026 06 PM PDT           61.47            785         +              Normal
  09/08/2026 07 PM PDT           61.47            785         0              Normal
  09/08/2026 08 PM PDT           61.46            778         -              Normal
  09/08/2026 09 PM PDT           61.46            778         0              Normal
  09/08/2026 10 PM PDT           61.46            778         0              Normal
  09/08/2026 11 PM PDT           61.46            778         0              Normal
  09/09/2026 12 AM PDT           61.46            778         0              Normal
  09/09/2026 01 AM PDT           61.46            778         0              Normal
  09/09/2026 02 AM PDT           61.46            778         0              Normal
  09/09/2026 03 AM PDT           61.46            778         0              Normal
  09/09/2026 04 AM PDT           61.46            778         0              Normal
  09/09/2026 05 AM PDT           61.46            778         0              Normal
  09/09/2026 06 AM PDT           61.46            778         0              Normal
  09/09/2026 07 AM PDT           61.46            778         0              Normal
  09/09/2026 08 AM PDT           61.46            778         0              Normal
  09/09/2026 09 AM PDT           61.46            778         0              Normal
  09/09/2026 10 AM PDT           61.46            778         0              Normal
  09/09/2026 11 AM PDT           61.46            778         0              Normal
  09/09/2026 12 PM PDT           61.45            771         -              Normal
  09/09/2026 01 PM PDT           61.45            771         0              Normal
  09/09/2026 02 PM PDT           61.45            771         0              Normal
  09/09/2026 03 PM PDT           61.45            771         0              Normal
  09/09/2026 04 PM PDT           61.45            771         0              Normal
  09/09/2026 05 PM PDT           61.45            771         0              Normal
  09/09/2026 06 PM PDT           61.47            785         +              Normal
  09/09/2026 07 PM PDT           61.47            785         0              Normal
  09/09/2026 08 PM PDT           61.47            785         0              Normal
  09/09/2026 09 PM PDT           61.47            785         0              Normal
  09/09/2026 10 PM PDT           61.47            785         0              Normal
  09/09/2026 11 PM PDT           61.47            785         0              Normal
  09/10/2026 12 AM PDT           61.47            785         0              Normal
  09/10/2026 01 AM PDT           61.46            778         -              Normal
  09/10/2026 02 AM PDT           61.46            778         0              Normal
  09/10/2026 03 AM PDT           61.46            778         0              Normal
  09/10/2026 04 AM PDT           61.46            778         0              Normal
  09/10/2026 05 AM PDT           61.46            778         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.