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: Oct 26 2026 at 6:51 AM PDTNext Issuance: Oct 27 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:  10/26/2026 at 06:51 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  10/22/2026 at 01:00 PM PDT
# Maximum Observed Stage:                       61.16 Feet
# Maximum Observed Flow:                        581 cfs
#
# Earliest Date & Time of Maximum Forecast:     10/31/2026 at 05:00 AM PDT
# Maximum Forecast Stage:                       61.12 Feet
# Maximum Forecast Flow:                        557 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  10/21/2026 06 AM PDT           61.15            575                        Normal
  10/21/2026 07 AM PDT           61.15            575         0              Normal
  10/21/2026 08 AM PDT           61.15            575         0              Normal
  10/21/2026 09 AM PDT           61.15            575         0              Normal
  10/21/2026 10 AM PDT           61.15            575         0              Normal
  10/21/2026 11 AM PDT           61.15            575         0              Normal
  10/21/2026 12 PM PDT           61.15            575         0              Normal
  10/21/2026 01 PM PDT           61.15            575         0              Normal
  10/21/2026 02 PM PDT           61.15            575         0              Normal
  10/21/2026 03 PM PDT           61.14            569         -              Normal
  10/21/2026 04 PM PDT           61.14            569         0              Normal
  10/21/2026 05 PM PDT           61.13            563         -              Normal
  10/21/2026 06 PM PDT           61.13            563         0              Normal
  10/21/2026 07 PM PDT           61.13            563         0              Normal
  10/21/2026 08 PM PDT           61.14            569         +              Normal
  10/21/2026 09 PM PDT           61.14            569         0              Normal
  10/21/2026 10 PM PDT           61.14            569         0              Normal
  10/21/2026 11 PM PDT           61.15            575         +              Normal
  10/22/2026 12 AM PDT           61.15            575         0              Normal
  10/22/2026 01 AM PDT           61.15            575         0              Normal
  10/22/2026 02 AM PDT           61.16            581         +              Normal
  10/22/2026 03 AM PDT           61.16            581         0              Normal
  10/22/2026 04 AM PDT           61.16            581         0              Normal
  10/22/2026 05 AM PDT           61.16            581         0              Normal
  10/22/2026 06 AM PDT           61.16            581         0              Normal
  10/22/2026 07 AM PDT           61.16            581         0              Normal
  10/22/2026 08 AM PDT           61.16            581         0              Normal
  10/22/2026 09 AM PDT           61.16            581         0              Normal
  10/22/2026 10 AM PDT           61.16            581         0              Normal
  10/22/2026 11 AM PDT           61.15            575         -              Normal
  10/22/2026 12 PM PDT           61.15            575         0              Normal
  10/22/2026 01 PM PDT           61.16            581         +              Normal
  10/22/2026 02 PM PDT           61.15            575         -              Normal
  10/22/2026 03 PM PDT           61.15            575         0              Normal
  10/22/2026 04 PM PDT           61.14            569         -              Normal
  10/22/2026 05 PM PDT           61.14            569         0              Normal
  10/22/2026 06 PM PDT           61.13            563         -              Normal
  10/22/2026 07 PM PDT           61.14            569         +              Normal
  10/22/2026 08 PM PDT           61.14            569         0              Normal
  10/22/2026 09 PM PDT           61.13            563         -              Normal
  10/22/2026 10 PM PDT           61.13            563         0              Normal
  10/22/2026 11 PM PDT           61.14            569         +              Normal
  10/23/2026 12 AM PDT           61.14            569         0              Normal
  10/23/2026 01 AM PDT           61.14            569         0              Normal
  10/23/2026 02 AM PDT           61.14            569         0              Normal
  10/23/2026 03 AM PDT           61.13            563         -              Normal
  10/23/2026 04 AM PDT           61.14            569         +              Normal
  10/23/2026 05 AM PDT           61.14            569         0              Normal
  10/23/2026 06 AM PDT           61.14            569         0              Normal
  10/23/2026 07 AM PDT           61.14            569         0              Normal
  10/23/2026 08 AM PDT           61.14            569         0              Normal
  10/23/2026 09 AM PDT           61.14            569         0              Normal
  10/23/2026 10 AM PDT           61.14            569         0              Normal
  10/23/2026 11 AM PDT           61.14            569         0              Normal
  10/23/2026 12 PM PDT           61.14            569         0              Normal
  10/23/2026 01 PM PDT           61.14            569         0              Normal
  10/23/2026 02 PM PDT           61.14            569         0              Normal
  10/23/2026 03 PM PDT           61.14            569         0              Normal
  10/23/2026 04 PM PDT           61.14            569         0              Normal
  10/23/2026 05 PM PDT           61.14            569         0              Normal
  10/23/2026 06 PM PDT           61.13            563         -              Normal
  10/23/2026 07 PM PDT           61.13            563         0              Normal
  10/23/2026 08 PM PDT           61.13            563         0              Normal
  10/23/2026 09 PM PDT           61.13            563         0              Normal
  10/23/2026 10 PM PDT           61.12            557         -              Normal
  10/23/2026 11 PM PDT           61.13            563         +              Normal
  10/24/2026 12 AM PDT           61.13            563         0              Normal
  10/24/2026 01 AM PDT           61.13            563         0              Normal
  10/24/2026 02 AM PDT           61.13            563         0              Normal
  10/24/2026 03 AM PDT           61.13            563         0              Normal
  10/24/2026 04 AM PDT           61.13            563         0              Normal
  10/24/2026 05 AM PDT           61.13            563         0              Normal
  10/24/2026 06 AM PDT           61.13            563         0              Normal
  10/24/2026 07 AM PDT           61.13            563         0              Normal
  10/24/2026 08 AM PDT           61.12            557         -              Normal
  10/24/2026 09 AM PDT           61.13            563         +              Normal
  10/24/2026 10 AM PDT           61.14            569         +              Normal
  10/24/2026 11 AM PDT           61.14            569         0              Normal
  10/24/2026 12 PM PDT           61.14            569         0              Normal
  10/24/2026 01 PM PDT           61.13            563         -              Normal
  10/24/2026 02 PM PDT           61.13            563         0              Normal
  10/24/2026 03 PM PDT           61.14            569         +              Normal
  10/24/2026 04 PM PDT           61.14            569         0              Normal
  10/24/2026 05 PM PDT           61.14            569         0              Normal
  10/24/2026 06 PM PDT           61.13            563         -              Normal
  10/24/2026 07 PM PDT           61.12            557         -              Normal
  10/24/2026 08 PM PDT           61.12            557         0              Normal
  10/24/2026 09 PM PDT           61.12            557         0              Normal
  10/24/2026 10 PM PDT           61.11            551         -              Normal
  10/24/2026 11 PM PDT           61.12            557         +              Normal
  10/25/2026 12 AM PDT           61.11            551         -              Normal
  10/25/2026 01 AM PDT           61.11            551         0              Normal
  10/25/2026 02 AM PDT           61.12            557         +              Normal
  10/25/2026 03 AM PDT           61.11            551         -              Normal
  10/25/2026 04 AM PDT           61.12            557         +              Normal
  10/25/2026 05 AM PDT           61.12            557         0              Normal
  10/25/2026 06 AM PDT           61.12            557         0              Normal
  10/25/2026 07 AM PDT           61.11            551         -              Normal
  10/25/2026 08 AM PDT           61.11            551         0              Normal
  10/25/2026 09 AM PDT           61.12            557         +              Normal
  10/25/2026 10 AM PDT           61.12            557         0              Normal
  10/25/2026 11 AM PDT           61.13            563         +              Normal
  10/25/2026 12 PM PDT           61.12            557         -              Normal
  10/25/2026 01 PM PDT           61.13            563         +              Normal
  10/25/2026 02 PM PDT           61.13            563         0              Normal
  10/25/2026 03 PM PDT           61.13            563         0              Normal
  10/25/2026 04 PM PDT           61.13            563         0              Normal
  10/25/2026 05 PM PDT           61.13            563         0              Normal
  10/25/2026 06 PM PDT           61.12            557         -              Normal
  10/25/2026 07 PM PDT           61.11            551         -              Normal
  10/25/2026 08 PM PDT           61.11            551         0              Normal
  10/25/2026 09 PM PDT           61.11            551         0              Normal
  10/25/2026 10 PM PDT           61.11            551         0              Normal
  10/25/2026 11 PM PDT           61.10            545         -              Normal
  10/26/2026 12 AM PDT           61.11            551         +              Normal
  10/26/2026 01 AM PDT           61.11            551         0              Normal
  10/26/2026 02 AM PDT           61.10            545         -              Normal
  10/26/2026 03 AM PDT           61.11            551         +              Normal
  10/26/2026 04 AM PDT           61.11            551         0              Normal
  10/26/2026 05 AM PDT           61.11            551         0              Normal
  10/26/2026 06 AM PDT           61.11            551         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  10/26/2026 07 AM PDT           61.10            545                        Normal
  10/26/2026 08 AM PDT           61.10            545         0              Normal
  10/26/2026 09 AM PDT           61.10            545         0              Normal
  10/26/2026 10 AM PDT           61.10            545         0              Normal
  10/26/2026 11 AM PDT           61.10            545         0              Normal
  10/26/2026 12 PM PDT           61.10            545         0              Normal
  10/26/2026 01 PM PDT           61.10            545         0              Normal
  10/26/2026 02 PM PDT           61.10            545         0              Normal
  10/26/2026 03 PM PDT           61.10            545         0              Normal
  10/26/2026 04 PM PDT           61.10            545         0              Normal
  10/26/2026 05 PM PDT           61.10            545         0              Normal
  10/26/2026 06 PM PDT           61.10            545         0              Normal
  10/26/2026 07 PM PDT           61.10            545         0              Normal
  10/26/2026 08 PM PDT           61.10            545         0              Normal
  10/26/2026 09 PM PDT           61.10            545         0              Normal
  10/26/2026 10 PM PDT           61.10            545         0              Normal
  10/26/2026 11 PM PDT           61.10            545         0              Normal
  10/27/2026 12 AM PDT           61.10            545         0              Normal
  10/27/2026 01 AM PDT           61.10            545         0              Normal
  10/27/2026 02 AM PDT           61.10            545         0              Normal
  10/27/2026 03 AM PDT           61.10            545         0              Normal
  10/27/2026 04 AM PDT           61.10            545         0              Normal
  10/27/2026 05 AM PDT           61.10            545         0              Normal
  10/27/2026 06 AM PDT           61.10            545         0              Normal
  10/27/2026 07 AM PDT           61.10            545         0              Normal
  10/27/2026 08 AM PDT           61.10            545         0              Normal
  10/27/2026 09 AM PDT           61.10            545         0              Normal
  10/27/2026 10 AM PDT           61.10            545         0              Normal
  10/27/2026 11 AM PDT           61.10            545         0              Normal
  10/27/2026 12 PM PDT           61.10            545         0              Normal
  10/27/2026 01 PM PDT           61.10            545         0              Normal
  10/27/2026 02 PM PDT           61.10            545         0              Normal
  10/27/2026 03 PM PDT           61.10            545         0              Normal
  10/27/2026 04 PM PDT           61.10            545         0              Normal
  10/27/2026 05 PM PDT           61.10            545         0              Normal
  10/27/2026 06 PM PDT           61.10            545         0              Normal
  10/27/2026 07 PM PDT           61.10            545         0              Normal
  10/27/2026 08 PM PDT           61.10            545         0              Normal
  10/27/2026 09 PM PDT           61.10            545         0              Normal
  10/27/2026 10 PM PDT           61.10            545         0              Normal
  10/27/2026 11 PM PDT           61.10            545         0              Normal
  10/28/2026 12 AM PDT           61.10            545         0              Normal
  10/28/2026 01 AM PDT           61.10            545         0              Normal
  10/28/2026 02 AM PDT           61.10            545         0              Normal
  10/28/2026 03 AM PDT           61.10            545         0              Normal
  10/28/2026 04 AM PDT           61.10            545         0              Normal
  10/28/2026 05 AM PDT           61.10            545         0              Normal
  10/28/2026 06 AM PDT           61.10            545         0              Normal
  10/28/2026 07 AM PDT           61.10            545         0              Normal
  10/28/2026 08 AM PDT           61.10            545         0              Normal
  10/28/2026 09 AM PDT           61.10            545         0              Normal
  10/28/2026 10 AM PDT           61.10            545         0              Normal
  10/28/2026 11 AM PDT           61.10            545         0              Normal
  10/28/2026 12 PM PDT           61.10            545         0              Normal
  10/28/2026 01 PM PDT           61.10            545         0              Normal
  10/28/2026 02 PM PDT           61.10            545         0              Normal
  10/28/2026 03 PM PDT           61.10            545         0              Normal
  10/28/2026 04 PM PDT           61.10            545         0              Normal
  10/28/2026 05 PM PDT           61.10            545         0              Normal
  10/28/2026 06 PM PDT           61.10            545         0              Normal
  10/28/2026 07 PM PDT           61.10            545         0              Normal
  10/28/2026 08 PM PDT           61.10            545         0              Normal
  10/28/2026 09 PM PDT           61.10            545         0              Normal
  10/28/2026 10 PM PDT           61.10            545         0              Normal
  10/28/2026 11 PM PDT           61.10            545         0              Normal
  10/29/2026 12 AM PDT           61.10            545         0              Normal
  10/29/2026 01 AM PDT           61.10            545         0              Normal
  10/29/2026 02 AM PDT           61.10            545         0              Normal
  10/29/2026 03 AM PDT           61.10            545         0              Normal
  10/29/2026 04 AM PDT           61.10            545         0              Normal
  10/29/2026 05 AM PDT           61.10            545         0              Normal
  10/29/2026 06 AM PDT           61.10            545         0              Normal
  10/29/2026 07 AM PDT           61.10            545         0              Normal
  10/29/2026 08 AM PDT           61.10            545         0              Normal
  10/29/2026 09 AM PDT           61.10            545         0              Normal
  10/29/2026 10 AM PDT           61.10            545         0              Normal
  10/29/2026 11 AM PDT           61.10            545         0              Normal
  10/29/2026 12 PM PDT           61.10            545         0              Normal
  10/29/2026 01 PM PDT           61.10            545         0              Normal
  10/29/2026 02 PM PDT           61.10            545         0              Normal
  10/29/2026 03 PM PDT           61.10            545         0              Normal
  10/29/2026 04 PM PDT           61.10            545         0              Normal
  10/29/2026 05 PM PDT           61.10            545         0              Normal
  10/29/2026 06 PM PDT           61.10            545         0              Normal
  10/29/2026 07 PM PDT           61.10            545         0              Normal
  10/29/2026 08 PM PDT           61.10            545         0              Normal
  10/29/2026 09 PM PDT           61.10            545         0              Normal
  10/29/2026 10 PM PDT           61.10            545         0              Normal
  10/29/2026 11 PM PDT           61.10            545         0              Normal
  10/30/2026 12 AM PDT           61.10            545         0              Normal
  10/30/2026 01 AM PDT           61.10            545         0              Normal
  10/30/2026 02 AM PDT           61.10            545         0              Normal
  10/30/2026 03 AM PDT           61.10            545         0              Normal
  10/30/2026 04 AM PDT           61.10            545         0              Normal
  10/30/2026 05 AM PDT           61.10            545         0              Normal
  10/30/2026 06 AM PDT           61.10            545         0              Normal
  10/30/2026 07 AM PDT           61.10            545         0              Normal
  10/30/2026 08 AM PDT           61.10            545         0              Normal
  10/30/2026 09 AM PDT           61.10            545         0              Normal
  10/30/2026 10 AM PDT           61.10            545         0              Normal
  10/30/2026 11 AM PDT           61.10            545         0              Normal
  10/30/2026 12 PM PDT           61.10            545         0              Normal
  10/30/2026 01 PM PDT           61.10            545         0              Normal
  10/30/2026 02 PM PDT           61.10            545         0              Normal
  10/30/2026 03 PM PDT           61.10            545         0              Normal
  10/30/2026 04 PM PDT           61.10            545         0              Normal
  10/30/2026 05 PM PDT           61.10            545         0              Normal
  10/30/2026 06 PM PDT           61.10            545         0              Normal
  10/30/2026 07 PM PDT           61.10            545         0              Normal
  10/30/2026 08 PM PDT           61.10            545         0              Normal
  10/30/2026 09 PM PDT           61.10            545         0              Normal
  10/30/2026 10 PM PDT           61.10            545         0              Normal
  10/30/2026 11 PM PDT           61.10            545         0              Normal
  10/31/2026 12 AM PDT           61.10            545         0              Normal
  10/31/2026 01 AM PDT           61.10            545         0              Normal
  10/31/2026 02 AM PDT           61.10            545         0              Normal
  10/31/2026 03 AM PDT           61.10            545         0              Normal
  10/31/2026 04 AM PDT           61.11            551         +              Normal
  10/31/2026 05 AM PDT           61.12            557         +              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.