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

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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: May 28 2026 at 8:30 AM PDTNext Issuance: May 29 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:  05/28/2026 at 08:30 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/28/2026 at 02:00 AM PDT
# Maximum Observed Stage:                       56.96 Feet
# Maximum Observed Flow:                        137 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/01/2026 at 08:00 PM PDT
# Maximum Forecast Stage:                       57.00 Feet
# Maximum Forecast Flow:                        140 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/23/2026 08 AM PDT           56.45             89                        Normal
  05/23/2026 09 AM PDT           56.46             90         +              Normal
  05/23/2026 10 AM PDT           56.47             91         +              Normal
  05/23/2026 11 AM PDT           56.47             91         0              Normal
  05/23/2026 12 PM PDT           56.47             91         0              Normal
  05/23/2026 01 PM PDT           56.47             91         0              Normal
  05/23/2026 02 PM PDT           56.56             99         +              Normal
  05/23/2026 03 PM PDT           56.57            100         +              Normal
  05/23/2026 04 PM PDT           56.56             99         -              Normal
  05/23/2026 05 PM PDT           56.56             99         0              Normal
  05/23/2026 06 PM PDT           56.56             99         0              Normal
  05/23/2026 07 PM PDT           56.57            100         +              Normal
  05/23/2026 08 PM PDT           56.58            101         +              Normal
  05/23/2026 09 PM PDT           56.59            102         +              Normal
  05/23/2026 10 PM PDT           56.59            102         0              Normal
  05/23/2026 11 PM PDT           56.59            102         0              Normal
  05/24/2026 12 AM PDT           56.59            102         0              Normal
  05/24/2026 01 AM PDT           56.60            103         +              Normal
  05/24/2026 02 AM PDT           56.61            104         +              Normal
  05/24/2026 03 AM PDT           56.61            104         0              Normal
  05/24/2026 04 AM PDT           56.64            106         +              Normal
  05/24/2026 05 AM PDT           56.66            108         +              Normal
  05/24/2026 06 AM PDT           56.68            110         +              Normal
  05/24/2026 07 AM PDT           56.71            113         +              Normal
  05/24/2026 08 AM PDT           56.71            113         0              Normal
  05/24/2026 09 AM PDT           56.71            113         0              Normal
  05/24/2026 10 AM PDT           56.70            112         -              Normal
  05/24/2026 11 AM PDT           56.71            113         +              Normal
  05/24/2026 12 PM PDT           56.70            112         -              Normal
  05/24/2026 01 PM PDT           56.72            114         +              Normal
  05/24/2026 02 PM PDT           56.73            115         +              Normal
  05/24/2026 03 PM PDT           56.74            116         +              Normal
  05/24/2026 04 PM PDT           56.75            117         +              Normal
  05/24/2026 05 PM PDT           56.77            119         +              Normal
  05/24/2026 06 PM PDT           56.78            120         +              Normal
  05/24/2026 07 PM PDT           56.80            121         +              Normal
  05/24/2026 08 PM PDT           56.81            122         +              Normal
  05/24/2026 09 PM PDT           56.82            123         +              Normal
  05/24/2026 10 PM PDT           56.83            124         +              Normal
  05/24/2026 11 PM PDT           56.84            125         +              Normal
  05/25/2026 12 AM PDT           56.85            126         +              Normal
  05/25/2026 01 AM PDT           56.87            128         +              Normal
  05/25/2026 02 AM PDT           56.87            128         0              Normal
  05/25/2026 03 AM PDT           56.88            129         +              Normal
  05/25/2026 04 AM PDT           56.89            130         +              Normal
  05/25/2026 05 AM PDT           56.89            130         0              Normal
  05/25/2026 06 AM PDT           56.89            130         0              Normal
  05/25/2026 07 AM PDT           56.87            128         -              Normal
  05/25/2026 08 AM PDT           56.85            126         -              Normal
  05/25/2026 09 AM PDT           56.84            125         -              Normal
  05/25/2026 10 AM PDT           56.84            125         0              Normal
  05/25/2026 11 AM PDT           56.84            125         0              Normal
  05/25/2026 12 PM PDT           56.84            125         0              Normal
  05/25/2026 01 PM PDT           56.83            124         -              Normal
  05/25/2026 02 PM PDT           56.82            123         -              Normal
  05/25/2026 03 PM PDT           56.81            122         -              Normal
  05/25/2026 04 PM PDT           56.81            122         0              Normal
  05/25/2026 05 PM PDT           56.81            122         0              Normal
  05/25/2026 06 PM PDT           56.80            121         -              Normal
  05/25/2026 07 PM PDT           56.80            121         0              Normal
  05/25/2026 08 PM PDT           56.78            120         -              Normal
  05/25/2026 09 PM PDT           56.78            120         0              Normal
  05/25/2026 10 PM PDT           56.77            119         -              Normal
  05/25/2026 11 PM PDT           56.77            119         0              Normal
  05/26/2026 12 AM PDT           56.76            118         -              Normal
  05/26/2026 01 AM PDT           56.76            118         0              Normal
  05/26/2026 02 AM PDT           56.76            118         0              Normal
  05/26/2026 03 AM PDT           56.76            118         0              Normal
  05/26/2026 04 AM PDT           56.76            118         0              Normal
  05/26/2026 05 AM PDT           56.75            117         -              Normal
  05/26/2026 06 AM PDT           56.74            116         -              Normal
  05/26/2026 07 AM PDT           56.73            115         -              Normal
  05/26/2026 08 AM PDT           56.70            112         -              Normal
  05/26/2026 09 AM PDT           56.69            111         -              Normal
  05/26/2026 10 AM PDT           56.68            110         -              Normal
  05/26/2026 11 AM PDT           56.66            108         -              Normal
  05/26/2026 12 PM PDT           56.65            107         -              Normal
  05/26/2026 01 PM PDT           56.64            106         -              Normal
  05/26/2026 02 PM PDT           56.63            105         -              Normal
  05/26/2026 03 PM PDT           56.67            109         +              Normal
  05/26/2026 04 PM PDT           56.71            113         +              Normal
  05/26/2026 05 PM PDT           56.71            113         0              Normal
  05/26/2026 06 PM PDT           56.71            113         0              Normal
  05/26/2026 07 PM PDT           56.71            113         0              Normal
  05/26/2026 08 PM PDT           56.70            112         -              Normal
  05/26/2026 09 PM PDT           56.70            112         0              Normal
  05/26/2026 10 PM PDT           56.70            112         0              Normal
  05/26/2026 11 PM PDT           56.70            112         0              Normal
  05/27/2026 12 AM PDT           56.71            113         +              Normal
  05/27/2026 01 AM PDT           56.71            113         0              Normal
  05/27/2026 02 AM PDT           56.72            114         +              Normal
  05/27/2026 03 AM PDT           56.73            115         +              Normal
  05/27/2026 04 AM PDT           56.74            116         +              Normal
  05/27/2026 05 AM PDT           56.75            117         +              Normal
  05/27/2026 06 AM PDT           56.76            118         +              Normal
  05/27/2026 07 AM PDT           56.76            118         0              Normal
  05/27/2026 08 AM PDT           56.74            116         -              Normal
  05/27/2026 09 AM PDT           56.74            116         0              Normal
  05/27/2026 10 AM PDT           56.75            117         +              Normal
  05/27/2026 11 AM PDT           56.75            117         0              Normal
  05/27/2026 12 PM PDT           56.75            117         0              Normal
  05/27/2026 01 PM PDT           56.75            117         0              Normal
  05/27/2026 02 PM PDT           56.77            119         +              Normal
  05/27/2026 03 PM PDT           56.78            120         +              Normal
  05/27/2026 04 PM PDT           56.81            122         +              Normal
  05/27/2026 05 PM PDT           56.81            122         0              Normal
  05/27/2026 06 PM PDT           56.87            128         +              Normal
  05/27/2026 07 PM PDT           56.91            132         +              Normal
  05/27/2026 08 PM PDT           56.94            135         +              Normal
  05/27/2026 09 PM PDT           56.95            136         +              Normal
  05/27/2026 10 PM PDT           56.95            136         0              Normal
  05/27/2026 11 PM PDT           56.96            137         +              Normal
  05/28/2026 12 AM PDT           56.95            136         -              Normal
  05/28/2026 01 AM PDT           56.96            137         +              Normal
  05/28/2026 02 AM PDT           56.96            137         0              Normal
  05/28/2026 03 AM PDT           56.94            135         -              Normal
  05/28/2026 04 AM PDT           56.90            131         -              Normal
  05/28/2026 05 AM PDT           56.89            130         -              Normal
  05/28/2026 06 AM PDT           56.87            128         -              Normal
  05/28/2026 07 AM PDT           56.87            128         0              Normal
  05/28/2026 08 AM PDT           56.86            127         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/28/2026 09 AM PDT           56.86            127                        Normal
  05/28/2026 10 AM PDT           56.86            127         0              Normal
  05/28/2026 11 AM PDT           56.86            127         0              Normal
  05/28/2026 12 PM PDT           56.86            127         0              Normal
  05/28/2026 01 PM PDT           56.87            128         +              Normal
  05/28/2026 02 PM PDT           56.87            128         0              Normal
  05/28/2026 03 PM PDT           56.88            129         +              Normal
  05/28/2026 04 PM PDT           56.88            129         0              Normal
  05/28/2026 05 PM PDT           56.88            129         0              Normal
  05/28/2026 06 PM PDT           56.89            130         +              Normal
  05/28/2026 07 PM PDT           56.89            130         0              Normal
  05/28/2026 08 PM PDT           56.90            131         +              Normal
  05/28/2026 09 PM PDT           56.90            131         0              Normal
  05/28/2026 10 PM PDT           56.90            131         0              Normal
  05/28/2026 11 PM PDT           56.90            131         0              Normal
  05/29/2026 12 AM PDT           56.90            131         0              Normal
  05/29/2026 01 AM PDT           56.91            132         +              Normal
  05/29/2026 02 AM PDT           56.91            132         0              Normal
  05/29/2026 03 AM PDT           56.91            132         0              Normal
  05/29/2026 04 AM PDT           56.91            132         0              Normal
  05/29/2026 05 AM PDT           56.91            132         0              Normal
  05/29/2026 06 AM PDT           56.91            132         0              Normal
  05/29/2026 07 AM PDT           56.92            133         +              Normal
  05/29/2026 08 AM PDT           56.92            133         0              Normal
  05/29/2026 09 AM PDT           56.92            133         0              Normal
  05/29/2026 10 AM PDT           56.92            133         0              Normal
  05/29/2026 11 AM PDT           56.92            133         0              Normal
  05/29/2026 12 PM PDT           56.93            134         +              Normal
  05/29/2026 01 PM PDT           56.93            134         0              Normal
  05/29/2026 02 PM PDT           56.93            134         0              Normal
  05/29/2026 03 PM PDT           56.93            134         0              Normal
  05/29/2026 04 PM PDT           56.94            135         +              Normal
  05/29/2026 05 PM PDT           56.94            135         0              Normal
  05/29/2026 06 PM PDT           56.94            135         0              Normal
  05/29/2026 07 PM PDT           56.94            135         0              Normal
  05/29/2026 08 PM PDT           56.94            135         0              Normal
  05/29/2026 09 PM PDT           56.95            136         +              Normal
  05/29/2026 10 PM PDT           56.95            136         0              Normal
  05/29/2026 11 PM PDT           56.95            136         0              Normal
  05/30/2026 12 AM PDT           56.95            136         0              Normal
  05/30/2026 01 AM PDT           56.95            136         0              Normal
  05/30/2026 02 AM PDT           56.95            136         0              Normal
  05/30/2026 03 AM PDT           56.95            136         0              Normal
  05/30/2026 04 AM PDT           56.95            136         0              Normal
  05/30/2026 05 AM PDT           56.96            137         +              Normal
  05/30/2026 06 AM PDT           56.96            137         0              Normal
  05/30/2026 07 AM PDT           56.96            137         0              Normal
  05/30/2026 08 AM PDT           56.96            137         0              Normal
  05/30/2026 09 AM PDT           56.96            137         0              Normal
  05/30/2026 10 AM PDT           56.96            137         0              Normal
  05/30/2026 11 AM PDT           56.96            137         0              Normal
  05/30/2026 12 PM PDT           56.96            137         0              Normal
  05/30/2026 01 PM PDT           56.96            137         0              Normal
  05/30/2026 02 PM PDT           56.97            138         +              Normal
  05/30/2026 03 PM PDT           56.97            138         0              Normal
  05/30/2026 04 PM PDT           56.97            138         0              Normal
  05/30/2026 05 PM PDT           56.97            138         0              Normal
  05/30/2026 06 PM PDT           56.97            138         0              Normal
  05/30/2026 07 PM PDT           56.97            138         0              Normal
  05/30/2026 08 PM PDT           56.97            138         0              Normal
  05/30/2026 09 PM PDT           56.97            138         0              Normal
  05/30/2026 10 PM PDT           56.97            138         0              Normal
  05/30/2026 11 PM PDT           56.97            138         0              Normal
  05/31/2026 12 AM PDT           56.97            138         0              Normal
  05/31/2026 01 AM PDT           56.97            138         0              Normal
  05/31/2026 02 AM PDT           56.97            138         0              Normal
  05/31/2026 03 AM PDT           56.97            138         0              Normal
  05/31/2026 04 AM PDT           56.97            138         0              Normal
  05/31/2026 05 AM PDT           56.98            139         +              Normal
  05/31/2026 06 AM PDT           56.98            139         0              Normal
  05/31/2026 07 AM PDT           56.98            139         0              Normal
  05/31/2026 08 AM PDT           56.98            139         0              Normal
  05/31/2026 09 AM PDT           56.98            139         0              Normal
  05/31/2026 10 AM PDT           56.98            139         0              Normal
  05/31/2026 11 AM PDT           56.98            139         0              Normal
  05/31/2026 12 PM PDT           56.98            139         0              Normal
  05/31/2026 01 PM PDT           56.98            139         0              Normal
  05/31/2026 02 PM PDT           56.98            139         0              Normal
  05/31/2026 03 PM PDT           56.98            139         0              Normal
  05/31/2026 04 PM PDT           56.98            139         0              Normal
  05/31/2026 05 PM PDT           56.98            139         0              Normal
  05/31/2026 06 PM PDT           56.98            139         0              Normal
  05/31/2026 07 PM PDT           56.98            139         0              Normal
  05/31/2026 08 PM PDT           56.98            139         0              Normal
  05/31/2026 09 PM PDT           56.99            139         +              Normal
  05/31/2026 10 PM PDT           56.99            139         0              Normal
  05/31/2026 11 PM PDT           56.99            139         0              Normal
  06/01/2026 12 AM PDT           56.99            139         0              Normal
  06/01/2026 01 AM PDT           56.99            139         0              Normal
  06/01/2026 02 AM PDT           56.99            139         0              Normal
  06/01/2026 03 AM PDT           56.99            139         0              Normal
  06/01/2026 04 AM PDT           56.99            139         0              Normal
  06/01/2026 05 AM PDT           56.99            139         0              Normal
  06/01/2026 06 AM PDT           56.99            139         0              Normal
  06/01/2026 07 AM PDT           56.99            139         0              Normal
  06/01/2026 08 AM PDT           56.99            139         0              Normal
  06/01/2026 09 AM PDT           56.99            139         0              Normal
  06/01/2026 10 AM PDT           56.99            139         0              Normal
  06/01/2026 11 AM PDT           56.99            139         0              Normal
  06/01/2026 12 PM PDT           56.99            139         0              Normal
  06/01/2026 01 PM PDT           56.99            139         0              Normal
  06/01/2026 02 PM PDT           56.99            139         0              Normal
  06/01/2026 03 PM PDT           56.99            139         0              Normal
  06/01/2026 04 PM PDT           56.99            139         0              Normal
  06/01/2026 05 PM PDT           56.99            139         0              Normal
  06/01/2026 06 PM PDT           56.99            139         0              Normal
  06/01/2026 07 PM PDT           56.99            139         0              Normal
  06/01/2026 08 PM PDT           57.00            140         +              Normal
  06/01/2026 09 PM PDT           57.00            140         0              Normal
  06/01/2026 10 PM PDT           57.00            140         0              Normal
  06/01/2026 11 PM PDT           57.00            140         0              Normal
  06/02/2026 12 AM PDT           57.00            140         0              Normal
  06/02/2026 01 AM PDT           57.00            140         0              Normal
  06/02/2026 02 AM PDT           57.00            140         0              Normal
  06/02/2026 03 AM PDT           57.00            140         0              Normal
  06/02/2026 04 AM PDT           57.00            140         0              Normal
  06/02/2026 05 AM PDT           57.00            140         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.