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: Apr 11 2026 at 8:24 AM PDTNext Issuance: Apr 12 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:  04/11/2026 at 08:25 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/06/2026 at 09:00 AM PDT
# Maximum Observed Stage:                       57.49 Feet
# Maximum Observed Flow:                        229 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/13/2026 at 08:00 PM PDT
# Maximum Forecast Stage:                       58.08 Feet
# Maximum Forecast Flow:                        341 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/06/2026 08 AM PDT           57.49            229                        Normal
  04/06/2026 09 AM PDT           57.49            229         0              Normal
  04/06/2026 10 AM PDT           57.48            228         -              Normal
  04/06/2026 11 AM PDT           57.46            224         -              Normal
  04/06/2026 12 PM PDT           57.45            222         -              Normal
  04/06/2026 01 PM PDT           57.45            222         0              Normal
  04/06/2026 02 PM PDT           57.44            221         -              Normal
  04/06/2026 03 PM PDT           57.42            217         -              Normal
  04/06/2026 04 PM PDT           57.39            212         -              Normal
  04/06/2026 05 PM PDT           57.36            207         -              Normal
  04/06/2026 06 PM PDT           57.34            204         -              Normal
  04/06/2026 07 PM PDT           57.31            199         -              Normal
  04/06/2026 08 PM PDT           57.28            194         -              Normal
  04/06/2026 09 PM PDT           57.26            191         -              Normal
  04/06/2026 10 PM PDT           57.24            188         -              Normal
  04/06/2026 11 PM PDT           57.21            183         -              Normal
  04/07/2026 12 AM PDT           57.19            180         -              Normal
  04/07/2026 01 AM PDT           57.17            178         -              Normal
  04/07/2026 02 AM PDT           57.14            175         -              Normal
  04/07/2026 03 AM PDT           57.13            174         -              Normal
  04/07/2026 04 AM PDT           57.12            173         -              Normal
  04/07/2026 05 AM PDT           57.10            171         -              Normal
  04/07/2026 06 AM PDT           57.09            170         -              Normal
  04/07/2026 07 AM PDT           57.07            168         -              Normal
  04/07/2026 08 AM PDT           57.05            166         -              Normal
  04/07/2026 09 AM PDT           57.02            163         -              Normal
  04/07/2026 10 AM PDT           57.00            162         -              Normal
  04/07/2026 11 AM PDT           56.98            160         -              Normal
  04/07/2026 12 PM PDT           56.98            160         0              Normal
  04/07/2026 01 PM PDT           56.97            159         -              Normal
  04/07/2026 02 PM PDT           56.98            160         +              Normal
  04/07/2026 03 PM PDT           56.98            160         0              Normal
  04/07/2026 04 PM PDT           56.98            160         0              Normal
  04/07/2026 05 PM PDT           56.95            157         -              Normal
  04/07/2026 06 PM PDT           56.99            161         +              Normal
  04/07/2026 07 PM PDT           57.00            162         +              Normal
  04/07/2026 08 PM PDT           56.99            161         -              Normal
  04/07/2026 09 PM PDT           56.98            160         -              Normal
  04/07/2026 10 PM PDT           56.97            159         -              Normal
  04/07/2026 11 PM PDT           56.95            157         -              Normal
  04/08/2026 12 AM PDT           56.94            156         -              Normal
  04/08/2026 01 AM PDT           56.93            155         -              Normal
  04/08/2026 02 AM PDT           56.93            155         0              Normal
  04/08/2026 03 AM PDT           56.93            155         0              Normal
  04/08/2026 04 AM PDT           56.92            154         -              Normal
  04/08/2026 05 AM PDT           56.92            154         0              Normal
  04/08/2026 06 AM PDT           56.92            154         0              Normal
  04/08/2026 07 AM PDT           56.92            154         0              Normal
  04/08/2026 08 AM PDT           56.92            154         0              Normal
  04/08/2026 09 AM PDT           56.92            154         0              Normal
  04/08/2026 10 AM PDT           56.92            154         0              Normal
  04/08/2026 11 AM PDT           56.90            152         -              Normal
  04/08/2026 12 PM PDT           56.90            152         0              Normal
  04/08/2026 01 PM PDT           56.89            151         -              Normal
  04/08/2026 02 PM PDT           56.88            150         -              Normal
  04/08/2026 03 PM PDT           56.88            150         0              Normal
  04/08/2026 04 PM PDT           56.86            148         -              Normal
  04/08/2026 05 PM PDT           56.86            148         0              Normal
  04/08/2026 06 PM PDT           56.86            148         0              Normal
  04/08/2026 07 PM PDT           56.86            148         0              Normal
  04/08/2026 08 PM PDT           56.86            148         0              Normal
  04/08/2026 09 PM PDT           56.84            146         -              Normal
  04/08/2026 10 PM PDT           56.84            146         0              Normal
  04/08/2026 11 PM PDT           56.84            146         0              Normal
  04/09/2026 12 AM PDT           56.85            147         +              Normal
  04/09/2026 01 AM PDT           56.86            148         +              Normal
  04/09/2026 02 AM PDT           56.88            150         +              Normal
  04/09/2026 03 AM PDT           56.89            151         +              Normal
  04/09/2026 04 AM PDT           56.90            152         +              Normal
  04/09/2026 05 AM PDT           56.88            150         -              Normal
  04/09/2026 06 AM PDT           56.88            150         0              Normal
  04/09/2026 07 AM PDT           56.87            149         -              Normal
  04/09/2026 08 AM PDT           56.86            148         -              Normal
  04/09/2026 09 AM PDT           56.86            148         0              Normal
  04/09/2026 10 AM PDT           56.85            147         -              Normal
  04/09/2026 11 AM PDT           56.83            145         -              Normal
  04/09/2026 12 PM PDT           56.81            143         -              Normal
  04/09/2026 01 PM PDT           56.79            141         -              Normal
  04/09/2026 02 PM PDT           56.77            139         -              Normal
  04/09/2026 03 PM PDT           56.83            145         +              Normal
  04/09/2026 04 PM PDT           56.85            147         +              Normal
  04/09/2026 05 PM PDT           56.85            147         0              Normal
  04/09/2026 06 PM PDT           56.85            147         0              Normal
  04/09/2026 07 PM PDT           56.85            147         0              Normal
  04/09/2026 08 PM PDT           56.84            146         -              Normal
  04/09/2026 09 PM PDT           56.84            146         0              Normal
  04/09/2026 10 PM PDT           56.84            146         0              Normal
  04/09/2026 11 PM PDT           56.84            146         0              Normal
  04/10/2026 12 AM PDT           56.86            148         +              Normal
  04/10/2026 01 AM PDT           56.88            150         +              Normal
  04/10/2026 02 AM PDT           56.90            152         +              Normal
  04/10/2026 03 AM PDT           56.92            154         +              Normal
  04/10/2026 04 AM PDT           56.94            156         +              Normal
  04/10/2026 05 AM PDT           56.96            158         +              Normal
  04/10/2026 06 AM PDT           56.98            160         +              Normal
  04/10/2026 07 AM PDT           57.02            163         +              Normal
  04/10/2026 08 AM PDT           57.03            164         +              Normal
  04/10/2026 09 AM PDT           57.05            166         +              Normal
  04/10/2026 10 AM PDT           57.07            168         +              Normal
  04/10/2026 11 AM PDT           57.10            171         +              Normal
  04/10/2026 12 PM PDT           57.13            174         +              Normal
  04/10/2026 01 PM PDT           57.16            177         +              Normal
  04/10/2026 02 PM PDT           57.17            178         +              Normal
  04/10/2026 03 PM PDT           57.16            177         -              Normal
  04/10/2026 04 PM PDT           57.16            177         0              Normal
  04/10/2026 05 PM PDT           57.16            177         0              Normal
  04/10/2026 06 PM PDT           57.16            177         0              Normal
  04/10/2026 07 PM PDT           57.15            176         -              Normal
  04/10/2026 08 PM PDT           57.15            176         0              Normal
  04/10/2026 09 PM PDT           57.15            176         0              Normal
  04/10/2026 10 PM PDT           57.18            179         +              Normal
  04/10/2026 11 PM PDT           57.20            182         +              Normal
  04/11/2026 12 AM PDT           57.22            185         +              Normal
  04/11/2026 01 AM PDT           57.24            188         +              Normal
  04/11/2026 02 AM PDT           57.26            191         +              Normal
  04/11/2026 03 AM PDT           57.28            194         +              Normal
  04/11/2026 04 AM PDT           57.30            198         +              Normal
  04/11/2026 05 AM PDT           57.31            199         +              Normal
  04/11/2026 06 AM PDT           57.32            201         +              Normal
  04/11/2026 07 AM PDT           57.33            202         +              Normal
  04/11/2026 08 AM PDT           57.34            204         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/11/2026 09 AM PDT           57.36            207                        Normal
  04/11/2026 10 AM PDT           57.38            211         +              Normal
  04/11/2026 11 AM PDT           57.41            216         +              Normal
  04/11/2026 12 PM PDT           57.43            219         +              Normal
  04/11/2026 01 PM PDT           57.45            222         +              Normal
  04/11/2026 02 PM PDT           57.47            226         +              Normal
  04/11/2026 03 PM PDT           57.50            231         +              Normal
  04/11/2026 04 PM PDT           57.52            235         +              Normal
  04/11/2026 05 PM PDT           57.54            238         +              Normal
  04/11/2026 06 PM PDT           57.56            242         +              Normal
  04/11/2026 07 PM PDT           57.58            245         +              Normal
  04/11/2026 08 PM PDT           57.60            249         +              Normal
  04/11/2026 09 PM PDT           57.62            252         +              Normal
  04/11/2026 10 PM PDT           57.64            256         +              Normal
  04/11/2026 11 PM PDT           57.66            260         +              Normal
  04/12/2026 12 AM PDT           57.68            263         +              Normal
  04/12/2026 01 AM PDT           57.69            265         +              Normal
  04/12/2026 02 AM PDT           57.71            269         +              Normal
  04/12/2026 03 AM PDT           57.73            272         +              Normal
  04/12/2026 04 AM PDT           57.74            274         +              Normal
  04/12/2026 05 AM PDT           57.76            278         +              Normal
  04/12/2026 06 AM PDT           57.77            280         +              Normal
  04/12/2026 07 AM PDT           57.78            282         +              Normal
  04/12/2026 08 AM PDT           57.80            286         +              Normal
  04/12/2026 09 AM PDT           57.81            287         +              Normal
  04/12/2026 10 AM PDT           57.83            291         +              Normal
  04/12/2026 11 AM PDT           57.84            293         +              Normal
  04/12/2026 12 PM PDT           57.85            295         +              Normal
  04/12/2026 01 PM PDT           57.86            297         +              Normal
  04/12/2026 02 PM PDT           57.87            299         +              Normal
  04/12/2026 03 PM PDT           57.88            301         +              Normal
  04/12/2026 04 PM PDT           57.89            303         +              Normal
  04/12/2026 05 PM PDT           57.90            305         +              Normal
  04/12/2026 06 PM PDT           57.91            307         +              Normal
  04/12/2026 07 PM PDT           57.92            309         +              Normal
  04/12/2026 08 PM PDT           57.93            311         +              Normal
  04/12/2026 09 PM PDT           57.94            313         +              Normal
  04/12/2026 10 PM PDT           57.95            315         +              Normal
  04/12/2026 11 PM PDT           57.96            317         +              Normal
  04/13/2026 12 AM PDT           57.97            319         +              Normal
  04/13/2026 01 AM PDT           57.98            321         +              Normal
  04/13/2026 02 AM PDT           57.98            321         0              Normal
  04/13/2026 03 AM PDT           57.99            323         +              Normal
  04/13/2026 04 AM PDT           58.00            325         +              Normal
  04/13/2026 05 AM PDT           58.01            327         +              Normal
  04/13/2026 06 AM PDT           58.02            329         +              Normal
  04/13/2026 07 AM PDT           58.02            329         0              Normal
  04/13/2026 08 AM PDT           58.03            331         +              Normal
  04/13/2026 09 AM PDT           58.04            333         +              Normal
  04/13/2026 10 AM PDT           58.04            333         0              Normal
  04/13/2026 11 AM PDT           58.05            335         +              Normal
  04/13/2026 12 PM PDT           58.05            335         0              Normal
  04/13/2026 01 PM PDT           58.05            335         0              Normal
  04/13/2026 02 PM PDT           58.06            337         +              Normal
  04/13/2026 03 PM PDT           58.06            337         0              Normal
  04/13/2026 04 PM PDT           58.07            339         +              Normal
  04/13/2026 05 PM PDT           58.07            339         0              Normal
  04/13/2026 06 PM PDT           58.07            339         0              Normal
  04/13/2026 07 PM PDT           58.07            339         0              Normal
  04/13/2026 08 PM PDT           58.08            341         +              Normal
  04/13/2026 09 PM PDT           58.08            341         0              Normal
  04/13/2026 10 PM PDT           58.08            341         0              Normal
  04/13/2026 11 PM PDT           58.08            341         0              Normal
  04/14/2026 12 AM PDT           58.08            341         0              Normal
  04/14/2026 01 AM PDT           58.08            341         0              Normal
  04/14/2026 02 AM PDT           58.08            341         0              Normal
  04/14/2026 03 AM PDT           58.08            341         0              Normal
  04/14/2026 04 AM PDT           58.08            341         0              Normal
  04/14/2026 05 AM PDT           58.08            341         0              Normal
  04/14/2026 06 AM PDT           58.08            341         0              Normal
  04/14/2026 07 AM PDT           58.08            341         0              Normal
  04/14/2026 08 AM PDT           58.07            339         -              Normal
  04/14/2026 09 AM PDT           58.07            339         0              Normal
  04/14/2026 10 AM PDT           58.07            339         0              Normal
  04/14/2026 11 AM PDT           58.07            339         0              Normal
  04/14/2026 12 PM PDT           58.07            339         0              Normal
  04/14/2026 01 PM PDT           58.07            339         0              Normal
  04/14/2026 02 PM PDT           58.07            339         0              Normal
  04/14/2026 03 PM PDT           58.06            337         -              Normal
  04/14/2026 04 PM PDT           58.06            337         0              Normal
  04/14/2026 05 PM PDT           58.06            337         0              Normal
  04/14/2026 06 PM PDT           58.06            337         0              Normal
  04/14/2026 07 PM PDT           58.06            337         0              Normal
  04/14/2026 08 PM PDT           58.06            337         0              Normal
  04/14/2026 09 PM PDT           58.06            337         0              Normal
  04/14/2026 10 PM PDT           58.06            337         0              Normal
  04/14/2026 11 PM PDT           58.06            337         0              Normal
  04/15/2026 12 AM PDT           58.06            337         0              Normal
  04/15/2026 01 AM PDT           58.06            337         0              Normal
  04/15/2026 02 AM PDT           58.05            335         -              Normal
  04/15/2026 03 AM PDT           58.05            335         0              Normal
  04/15/2026 04 AM PDT           58.05            335         0              Normal
  04/15/2026 05 AM PDT           58.05            335         0              Normal
  04/15/2026 06 AM PDT           58.05            335         0              Normal
  04/15/2026 07 AM PDT           58.05            335         0              Normal
  04/15/2026 08 AM PDT           58.05            335         0              Normal
  04/15/2026 09 AM PDT           58.05            335         0              Normal
  04/15/2026 10 AM PDT           58.05            335         0              Normal
  04/15/2026 11 AM PDT           58.05            335         0              Normal
  04/15/2026 12 PM PDT           58.05            335         0              Normal
  04/15/2026 01 PM PDT           58.05            335         0              Normal
  04/15/2026 02 PM PDT           58.05            335         0              Normal
  04/15/2026 03 PM PDT           58.05            335         0              Normal
  04/15/2026 04 PM PDT           58.05            335         0              Normal
  04/15/2026 05 PM PDT           58.05            335         0              Normal
  04/15/2026 06 PM PDT           58.05            335         0              Normal
  04/15/2026 07 PM PDT           58.05            335         0              Normal
  04/15/2026 08 PM PDT           58.05            335         0              Normal
  04/15/2026 09 PM PDT           58.05            335         0              Normal
  04/15/2026 10 PM PDT           58.05            335         0              Normal
  04/15/2026 11 PM PDT           58.04            333         -              Normal
  04/16/2026 12 AM PDT           58.04            333         0              Normal
  04/16/2026 01 AM PDT           58.04            333         0              Normal
  04/16/2026 02 AM PDT           58.04            333         0              Normal
  04/16/2026 03 AM PDT           58.04            333         0              Normal
  04/16/2026 04 AM PDT           58.04            333         0              Normal
  04/16/2026 05 AM PDT           58.04            333         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.