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

 | 

MERCED RIVER - STEVINSON (STVC1)
Latitude: 37.37º NLongitude: 120.93º WElevation: 82 FeetForecast Type: Official Location
Location: Merced County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Aug 30 2026 at 7:10 AM PDTNext Issuance: Aug 31 2026 at 9:00 AM PDT
Action/Monitor: 68.0 FeetMinor Flood: 71.0 FeetModerate Flood: 73.8 FeetMajor Flood: 75.0 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Merced River - Stevinson (STVC1)
#
# File Generation Time:  08/30/2026 at 07:11 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  08/25/2026 at 07:00 AM PDT
# Maximum Observed Stage:                       56.68 Feet
# Maximum Observed Flow:                        133 cfs
#
# Earliest Date & Time of Maximum Forecast:     08/30/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       56.62 Feet
# Maximum Forecast Flow:                        127 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  08/25/2026 07 AM PDT           56.68            133                        Normal
  08/25/2026 08 AM PDT           56.66            131         -              Normal
  08/25/2026 09 AM PDT           56.67            132         +              Normal
  08/25/2026 10 AM PDT           56.66            131         -              Normal
  08/25/2026 11 AM PDT           56.63            128         -              Normal
  08/25/2026 12 PM PDT           56.61            126         -              Normal
  08/25/2026 01 PM PDT           56.59            124         -              Normal
  08/25/2026 02 PM PDT           56.58            123         -              Normal
  08/25/2026 03 PM PDT           56.56            121         -              Normal
  08/25/2026 04 PM PDT           56.56            121         0              Normal
  08/25/2026 05 PM PDT           56.54            120         -              Normal
  08/25/2026 06 PM PDT           56.54            120         0              Normal
  08/25/2026 07 PM PDT           56.54            120         0              Normal
  08/25/2026 08 PM PDT           56.56            121         +              Normal
  08/25/2026 09 PM PDT           56.57            122         +              Normal
  08/25/2026 10 PM PDT           56.58            123         +              Normal
  08/25/2026 11 PM PDT           56.59            124         +              Normal
  08/26/2026 12 AM PDT           56.59            124         0              Normal
  08/26/2026 01 AM PDT           56.59            124         0              Normal
  08/26/2026 02 AM PDT           56.60            125         +              Normal
  08/26/2026 03 AM PDT           56.60            125         0              Normal
  08/26/2026 04 AM PDT           56.60            125         0              Normal
  08/26/2026 05 AM PDT           56.64            129         +              Normal
  08/26/2026 06 AM PDT           56.64            129         0              Normal
  08/26/2026 07 AM PDT           56.62            127         -              Normal
  08/26/2026 08 AM PDT           56.61            126         -              Normal
  08/26/2026 09 AM PDT           56.58            123         -              Normal
  08/26/2026 10 AM PDT           56.56            121         -              Normal
  08/26/2026 11 AM PDT           56.54            120         -              Normal
  08/26/2026 12 PM PDT           56.51            117         -              Normal
  08/26/2026 01 PM PDT           56.50            116         -              Normal
  08/26/2026 02 PM PDT           56.49            115         -              Normal
  08/26/2026 03 PM PDT           56.49            115         0              Normal
  08/26/2026 04 PM PDT           56.50            116         +              Normal
  08/26/2026 05 PM PDT           56.49            115         -              Normal
  08/26/2026 06 PM PDT           56.49            115         0              Normal
  08/26/2026 07 PM PDT           56.48            114         -              Normal
  08/26/2026 08 PM PDT           56.48            114         0              Normal
  08/26/2026 09 PM PDT           56.48            114         0              Normal
  08/26/2026 10 PM PDT           56.49            115         +              Normal
  08/26/2026 11 PM PDT           56.49            115         0              Normal
  08/27/2026 12 AM PDT           56.49            115         0              Normal
  08/27/2026 01 AM PDT           56.47            113         -              Normal
  08/27/2026 02 AM PDT           56.48            114         +              Normal
  08/27/2026 03 AM PDT           56.48            114         0              Normal
  08/27/2026 04 AM PDT           56.48            114         0              Normal
  08/27/2026 05 AM PDT           56.47            113         -              Normal
  08/27/2026 06 AM PDT           56.45            111         -              Normal
  08/27/2026 07 AM PDT           56.44            110         -              Normal
  08/27/2026 08 AM PDT           56.45            111         +              Normal
  08/27/2026 09 AM PDT           56.45            111         0              Normal
  08/27/2026 10 AM PDT           56.44            110         -              Normal
  08/27/2026 11 AM PDT           56.41            107         -              Normal
  08/27/2026 12 PM PDT           56.41            107         0              Normal
  08/27/2026 01 PM PDT           56.43            109         +              Normal
  08/27/2026 02 PM PDT           56.42            108         -              Normal
  08/27/2026 03 PM PDT           56.43            109         +              Normal
  08/27/2026 04 PM PDT           56.42            108         -              Normal
  08/27/2026 05 PM PDT           56.43            109         +              Normal
  08/27/2026 06 PM PDT           56.44            110         +              Normal
  08/27/2026 07 PM PDT           56.46            112         +              Normal
  08/27/2026 08 PM PDT           56.47            113         +              Normal
  08/27/2026 09 PM PDT           56.48            114         +              Normal
  08/27/2026 10 PM PDT           56.49            115         +              Normal
  08/27/2026 11 PM PDT           56.50            116         +              Normal
  08/28/2026 12 AM PDT           56.50            116         0              Normal
  08/28/2026 01 AM PDT           56.51            117         +              Normal
  08/28/2026 02 AM PDT           56.51            117         0              Normal
  08/28/2026 03 AM PDT           56.54            120         +              Normal
  08/28/2026 04 AM PDT           56.52            118         -              Normal
  08/28/2026 05 AM PDT           56.51            117         -              Normal
  08/28/2026 06 AM PDT           56.50            116         -              Normal
  08/28/2026 07 AM PDT           56.47            113         -              Normal
  08/28/2026 08 AM PDT           56.46            112         -              Normal
  08/28/2026 09 AM PDT           56.43            109         -              Normal
  08/28/2026 10 AM PDT           56.41            107         -              Normal
  08/28/2026 11 AM PDT           56.40            106         -              Normal
  08/28/2026 12 PM PDT           56.39            105         -              Normal
  08/28/2026 01 PM PDT           56.39            105         0              Normal
  08/28/2026 02 PM PDT           56.39            105         0              Normal
  08/28/2026 03 PM PDT           56.40            106         +              Normal
  08/28/2026 04 PM PDT           56.39            105         -              Normal
  08/28/2026 05 PM PDT           56.40            106         +              Normal
  08/28/2026 06 PM PDT           56.41            107         +              Normal
  08/28/2026 07 PM PDT           56.40            106         -              Normal
  08/28/2026 08 PM PDT           56.39            105         -              Normal
  08/28/2026 09 PM PDT           56.37            104         -              Normal
  08/28/2026 10 PM PDT           56.37            104         0              Normal
  08/28/2026 11 PM PDT           56.41            107         +              Normal
  08/29/2026 12 AM PDT           56.45            111         +              Normal
  08/29/2026 01 AM PDT           56.48            114         +              Normal
  08/29/2026 02 AM PDT           56.50            116         +              Normal
  08/29/2026 03 AM PDT           56.52            118         +              Normal
  08/29/2026 04 AM PDT           56.54            120         +              Normal
  08/29/2026 05 AM PDT           56.54            120         0              Normal
  08/29/2026 06 AM PDT           56.56            121         +              Normal
  08/29/2026 07 AM PDT           56.56            121         0              Normal
  08/29/2026 08 AM PDT           56.56            121         0              Normal
  08/29/2026 09 AM PDT           56.54            120         -              Normal
  08/29/2026 10 AM PDT           56.53            119         -              Normal
  08/29/2026 11 AM PDT           56.51            117         -              Normal
  08/29/2026 12 PM PDT           56.50            116         -              Normal
  08/29/2026 01 PM PDT           56.49            115         -              Normal
  08/29/2026 02 PM PDT           56.48            114         -              Normal
  08/29/2026 03 PM PDT           56.49            115         +              Normal
  08/29/2026 04 PM PDT           56.52            118         +              Normal
  08/29/2026 05 PM PDT           56.51            117         -              Normal
  08/29/2026 06 PM PDT           56.50            116         -              Normal
  08/29/2026 07 PM PDT           56.49            115         -              Normal
  08/29/2026 08 PM PDT           56.49            115         0              Normal
  08/29/2026 09 PM PDT           56.49            115         0              Normal
  08/29/2026 10 PM PDT           56.49            115         0              Normal
  08/29/2026 11 PM PDT           56.51            117         +              Normal
  08/30/2026 12 AM PDT           56.51            117         0              Normal
  08/30/2026 01 AM PDT           56.54            120         +              Normal
  08/30/2026 02 AM PDT           56.58            123         +              Normal
  08/30/2026 03 AM PDT           56.60            125         +              Normal
  08/30/2026 04 AM PDT           56.61            126         +              Normal
  08/30/2026 05 AM PDT           56.63            128         +              Normal
  08/30/2026 06 AM PDT           56.63            128         0              Normal
  08/30/2026 07 AM PDT           56.63            128         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  08/30/2026 08 AM PDT           56.62            127                        Normal
  08/30/2026 09 AM PDT           56.62            127         0              Normal
  08/30/2026 10 AM PDT           56.62            127         0              Normal
  08/30/2026 11 AM PDT           56.61            126         -              Normal
  08/30/2026 12 PM PDT           56.61            126         0              Normal
  08/30/2026 01 PM PDT           56.60            125         -              Normal
  08/30/2026 02 PM PDT           56.60            125         0              Normal
  08/30/2026 03 PM PDT           56.60            125         0              Normal
  08/30/2026 04 PM PDT           56.59            124         -              Normal
  08/30/2026 05 PM PDT           56.59            124         0              Normal
  08/30/2026 06 PM PDT           56.59            124         0              Normal
  08/30/2026 07 PM PDT           56.59            124         0              Normal
  08/30/2026 08 PM PDT           56.58            123         -              Normal
  08/30/2026 09 PM PDT           56.58            123         0              Normal
  08/30/2026 10 PM PDT           56.58            123         0              Normal
  08/30/2026 11 PM PDT           56.58            123         0              Normal
  08/31/2026 12 AM PDT           56.58            123         0              Normal
  08/31/2026 01 AM PDT           56.57            122         -              Normal
  08/31/2026 02 AM PDT           56.57            122         0              Normal
  08/31/2026 03 AM PDT           56.57            122         0              Normal
  08/31/2026 04 AM PDT           56.57            122         0              Normal
  08/31/2026 05 AM PDT           56.57            122         0              Normal
  08/31/2026 06 AM PDT           56.57            122         0              Normal
  08/31/2026 07 AM PDT           56.57            122         0              Normal
  08/31/2026 08 AM PDT           56.57            122         0              Normal
  08/31/2026 09 AM PDT           56.57            122         0              Normal
  08/31/2026 10 AM PDT           56.57            122         0              Normal
  08/31/2026 11 AM PDT           56.57            122         0              Normal
  08/31/2026 12 PM PDT           56.57            122         0              Normal
  08/31/2026 01 PM PDT           56.57            122         0              Normal
  08/31/2026 02 PM PDT           56.57            122         0              Normal
  08/31/2026 03 PM PDT           56.57            122         0              Normal
  08/31/2026 04 PM PDT           56.57            122         0              Normal
  08/31/2026 05 PM PDT           56.57            122         0              Normal
  08/31/2026 06 PM PDT           56.57            122         0              Normal
  08/31/2026 07 PM PDT           56.57            122         0              Normal
  08/31/2026 08 PM PDT           56.57            122         0              Normal
  08/31/2026 09 PM PDT           56.57            122         0              Normal
  08/31/2026 10 PM PDT           56.57            122         0              Normal
  08/31/2026 11 PM PDT           56.57            122         0              Normal
  09/01/2026 12 AM PDT           56.57            122         0              Normal
  09/01/2026 01 AM PDT           56.57            122         0              Normal
  09/01/2026 02 AM PDT           56.57            122         0              Normal
  09/01/2026 03 AM PDT           56.57            122         0              Normal
  09/01/2026 04 AM PDT           56.57            122         0              Normal
  09/01/2026 05 AM PDT           56.57            122         0              Normal
  09/01/2026 06 AM PDT           56.57            122         0              Normal
  09/01/2026 07 AM PDT           56.57            122         0              Normal
  09/01/2026 08 AM PDT           56.57            122         0              Normal
  09/01/2026 09 AM PDT           56.57            122         0              Normal
  09/01/2026 10 AM PDT           56.57            122         0              Normal
  09/01/2026 11 AM PDT           56.57            122         0              Normal
  09/01/2026 12 PM PDT           56.57            122         0              Normal
  09/01/2026 01 PM PDT           56.57            122         0              Normal
  09/01/2026 02 PM PDT           56.57            122         0              Normal
  09/01/2026 03 PM PDT           56.57            122         0              Normal
  09/01/2026 04 PM PDT           56.57            122         0              Normal
  09/01/2026 05 PM PDT           56.57            122         0              Normal
  09/01/2026 06 PM PDT           56.57            122         0              Normal
  09/01/2026 07 PM PDT           56.57            122         0              Normal
  09/01/2026 08 PM PDT           56.57            122         0              Normal
  09/01/2026 09 PM PDT           56.57            122         0              Normal
  09/01/2026 10 PM PDT           56.57            122         0              Normal
  09/01/2026 11 PM PDT           56.57            122         0              Normal
  09/02/2026 12 AM PDT           56.57            122         0              Normal
  09/02/2026 01 AM PDT           56.57            122         0              Normal
  09/02/2026 02 AM PDT           56.57            122         0              Normal
  09/02/2026 03 AM PDT           56.58            123         +              Normal
  09/02/2026 04 AM PDT           56.58            123         0              Normal
  09/02/2026 05 AM PDT           56.58            123         0              Normal
  09/02/2026 06 AM PDT           56.58            123         0              Normal
  09/02/2026 07 AM PDT           56.58            123         0              Normal
  09/02/2026 08 AM PDT           56.58            123         0              Normal
  09/02/2026 09 AM PDT           56.58            123         0              Normal
  09/02/2026 10 AM PDT           56.58            123         0              Normal
  09/02/2026 11 AM PDT           56.58            123         0              Normal
  09/02/2026 12 PM PDT           56.58            123         0              Normal
  09/02/2026 01 PM PDT           56.58            123         0              Normal
  09/02/2026 02 PM PDT           56.58            123         0              Normal
  09/02/2026 03 PM PDT           56.58            123         0              Normal
  09/02/2026 04 PM PDT           56.58            123         0              Normal
  09/02/2026 05 PM PDT           56.58            123         0              Normal
  09/02/2026 06 PM PDT           56.58            123         0              Normal
  09/02/2026 07 PM PDT           56.58            123         0              Normal
  09/02/2026 08 PM PDT           56.58            123         0              Normal
  09/02/2026 09 PM PDT           56.58            123         0              Normal
  09/02/2026 10 PM PDT           56.58            123         0              Normal
  09/02/2026 11 PM PDT           56.58            123         0              Normal
  09/03/2026 12 AM PDT           56.58            123         0              Normal
  09/03/2026 01 AM PDT           56.58            123         0              Normal
  09/03/2026 02 AM PDT           56.58            123         0              Normal
  09/03/2026 03 AM PDT           56.58            123         0              Normal
  09/03/2026 04 AM PDT           56.58            123         0              Normal
  09/03/2026 05 AM PDT           56.58            123         0              Normal
  09/03/2026 06 AM PDT           56.58            123         0              Normal
  09/03/2026 07 AM PDT           56.58            123         0              Normal
  09/03/2026 08 AM PDT           56.58            123         0              Normal
  09/03/2026 09 AM PDT           56.58            123         0              Normal
  09/03/2026 10 AM PDT           56.58            123         0              Normal
  09/03/2026 11 AM PDT           56.58            123         0              Normal
  09/03/2026 12 PM PDT           56.58            123         0              Normal
  09/03/2026 01 PM PDT           56.58            123         0              Normal
  09/03/2026 02 PM PDT           56.58            123         0              Normal
  09/03/2026 03 PM PDT           56.58            123         0              Normal
  09/03/2026 04 PM PDT           56.58            123         0              Normal
  09/03/2026 05 PM PDT           56.58            123         0              Normal
  09/03/2026 06 PM PDT           56.58            123         0              Normal
  09/03/2026 07 PM PDT           56.58            123         0              Normal
  09/03/2026 08 PM PDT           56.58            123         0              Normal
  09/03/2026 09 PM PDT           56.58            123         0              Normal
  09/03/2026 10 PM PDT           56.58            123         0              Normal
  09/03/2026 11 PM PDT           56.58            123         0              Normal
  09/04/2026 12 AM PDT           56.58            123         0              Normal
  09/04/2026 01 AM PDT           56.58            123         0              Normal
  09/04/2026 02 AM PDT           56.58            123         0              Normal
  09/04/2026 03 AM PDT           56.58            123         0              Normal
  09/04/2026 04 AM PDT           56.58            123         0              Normal
  09/04/2026 05 AM PDT           56.58            123         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.