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 02 2026 at 8:36 AM PDTNext Issuance: May 03 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:  05/02/2026 at 08:36 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/27/2026 at 08:00 AM PDT
# Maximum Observed Stage:                       58.24 Feet
# Maximum Observed Flow:                        374 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/02/2026 at 09:00 AM PDT
# Maximum Forecast Stage:                       57.19 Feet
# Maximum Forecast Flow:                        180 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/27/2026 08 AM PDT           58.24            374                        Normal
  04/27/2026 09 AM PDT           58.22            370         -              Normal
  04/27/2026 10 AM PDT           58.21            368         -              Normal
  04/27/2026 11 AM PDT           58.21            368         0              Normal
  04/27/2026 12 PM PDT           58.17            359         -              Normal
  04/27/2026 01 PM PDT           58.14            353         -              Normal
  04/27/2026 02 PM PDT           58.13            351         -              Normal
  04/27/2026 03 PM PDT           58.10            345         -              Normal
  04/27/2026 04 PM PDT           58.08            341         -              Normal
  04/27/2026 05 PM PDT           58.06            337         -              Normal
  04/27/2026 06 PM PDT           58.04            333         -              Normal
  04/27/2026 07 PM PDT           58.02            329         -              Normal
  04/27/2026 08 PM PDT           58.01            327         -              Normal
  04/27/2026 09 PM PDT           58.00            325         -              Normal
  04/27/2026 10 PM PDT           57.98            321         -              Normal
  04/27/2026 11 PM PDT           57.97            319         -              Normal
  04/28/2026 12 AM PDT           57.96            317         -              Normal
  04/28/2026 01 AM PDT           57.95            315         -              Normal
  04/28/2026 02 AM PDT           57.95            315         0              Normal
  04/28/2026 03 AM PDT           57.94            313         -              Normal
  04/28/2026 04 AM PDT           57.93            311         -              Normal
  04/28/2026 05 AM PDT           57.93            311         0              Normal
  04/28/2026 06 AM PDT           57.92            309         -              Normal
  04/28/2026 07 AM PDT           57.91            307         -              Normal
  04/28/2026 08 AM PDT           57.89            303         -              Normal
  04/28/2026 09 AM PDT           57.87            299         -              Normal
  04/28/2026 10 AM PDT           57.86            297         -              Normal
  04/28/2026 11 AM PDT           57.85            295         -              Normal
  04/28/2026 12 PM PDT           57.85            295         0              Normal
  04/28/2026 01 PM PDT           57.85            295         0              Normal
  04/28/2026 02 PM PDT           57.86            297         +              Normal
  04/28/2026 03 PM PDT           57.86            297         0              Normal
  04/28/2026 04 PM PDT           57.86            297         0              Normal
  04/28/2026 05 PM PDT           57.86            297         0              Normal
  04/28/2026 06 PM PDT           57.86            297         0              Normal
  04/28/2026 07 PM PDT           57.87            299         +              Normal
  04/28/2026 08 PM PDT           57.88            301         +              Normal
  04/28/2026 09 PM PDT           57.89            303         +              Normal
  04/28/2026 10 PM PDT           57.90            305         +              Normal
  04/28/2026 11 PM PDT           57.90            305         0              Normal
  04/29/2026 12 AM PDT           57.90            305         0              Normal
  04/29/2026 01 AM PDT           57.89            303         -              Normal
  04/29/2026 02 AM PDT           57.88            301         -              Normal
  04/29/2026 03 AM PDT           57.86            297         -              Normal
  04/29/2026 04 AM PDT           57.86            297         0              Normal
  04/29/2026 05 AM PDT           57.84            293         -              Normal
  04/29/2026 06 AM PDT           57.82            289         -              Normal
  04/29/2026 07 AM PDT           57.80            286         -              Normal
  04/29/2026 08 AM PDT           57.78            282         -              Normal
  04/29/2026 09 AM PDT           57.77            280         -              Normal
  04/29/2026 10 AM PDT           57.76            278         -              Normal
  04/29/2026 11 AM PDT           57.76            278         0              Normal
  04/29/2026 12 PM PDT           57.76            278         0              Normal
  04/29/2026 01 PM PDT           57.76            278         0              Normal
  04/29/2026 02 PM PDT           57.77            280         +              Normal
  04/29/2026 03 PM PDT           57.76            278         -              Normal
  04/29/2026 04 PM PDT           57.72            271         -              Normal
  04/29/2026 05 PM PDT           57.71            269         -              Normal
  04/29/2026 06 PM PDT           57.70            267         -              Normal
  04/29/2026 07 PM PDT           57.73            272         +              Normal
  04/29/2026 08 PM PDT           57.71            269         -              Normal
  04/29/2026 09 PM PDT           57.69            265         -              Normal
  04/29/2026 10 PM PDT           57.68            263         -              Normal
  04/29/2026 11 PM PDT           57.66            260         -              Normal
  04/30/2026 12 AM PDT           57.65            258         -              Normal
  04/30/2026 01 AM PDT           57.64            256         -              Normal
  04/30/2026 02 AM PDT           57.62            252         -              Normal
  04/30/2026 03 AM PDT           57.60            249         -              Normal
  04/30/2026 04 AM PDT           57.59            247         -              Normal
  04/30/2026 05 AM PDT           57.58            245         -              Normal
  04/30/2026 06 AM PDT           57.57            243         -              Normal
  04/30/2026 07 AM PDT           57.56            242         -              Normal
  04/30/2026 08 AM PDT           57.55            240         -              Normal
  04/30/2026 09 AM PDT           57.56            242         +              Normal
  04/30/2026 10 AM PDT           57.54            238         -              Normal
  04/30/2026 11 AM PDT           57.53            236         -              Normal
  04/30/2026 12 PM PDT           57.52            235         -              Normal
  04/30/2026 01 PM PDT           57.51            233         -              Normal
  04/30/2026 02 PM PDT           57.50            231         -              Normal
  04/30/2026 03 PM PDT           57.50            231         0              Normal
  04/30/2026 04 PM PDT           57.49            229         -              Normal
  04/30/2026 05 PM PDT           57.46            224         -              Normal
  04/30/2026 06 PM PDT           57.43            219         -              Normal
  04/30/2026 07 PM PDT           57.41            216         -              Normal
  04/30/2026 08 PM PDT           57.40            214         -              Normal
  04/30/2026 09 PM PDT           57.39            212         -              Normal
  04/30/2026 10 PM PDT           57.38            211         -              Normal
  04/30/2026 11 PM PDT           57.37            209         -              Normal
  05/01/2026 12 AM PDT           57.36            207         -              Normal
  05/01/2026 01 AM PDT           57.36            207         0              Normal
  05/01/2026 02 AM PDT           57.36            207         0              Normal
  05/01/2026 03 AM PDT           57.36            207         0              Normal
  05/01/2026 04 AM PDT           57.36            207         0              Normal
  05/01/2026 05 AM PDT           57.37            209         +              Normal
  05/01/2026 06 AM PDT           57.37            209         0              Normal
  05/01/2026 07 AM PDT           57.38            211         +              Normal
  05/01/2026 08 AM PDT           57.37            209         -              Normal
  05/01/2026 09 AM PDT           57.35            206         -              Normal
  05/01/2026 10 AM PDT           57.33            202         -              Normal
  05/01/2026 11 AM PDT           57.32            201         -              Normal
  05/01/2026 12 PM PDT           57.31            199         -              Normal
  05/01/2026 01 PM PDT           57.33            202         +              Normal
  05/01/2026 02 PM PDT           57.32            201         -              Normal
  05/01/2026 03 PM PDT           57.30            198         -              Normal
  05/01/2026 04 PM PDT           57.28            194         -              Normal
  05/01/2026 05 PM PDT           57.26            191         -              Normal
  05/01/2026 06 PM PDT           57.25            189         -              Normal
  05/01/2026 07 PM PDT           57.24            188         -              Normal
  05/01/2026 08 PM PDT           57.24            188         0              Normal
  05/01/2026 09 PM PDT           57.22            185         -              Normal
  05/01/2026 10 PM PDT           57.22            185         0              Normal
  05/01/2026 11 PM PDT           57.21            183         -              Normal
  05/02/2026 12 AM PDT           57.20            182         -              Normal
  05/02/2026 01 AM PDT           57.20            182         0              Normal
  05/02/2026 02 AM PDT           57.20            182         0              Normal
  05/02/2026 03 AM PDT           57.21            183         +              Normal
  05/02/2026 04 AM PDT           57.22            185         +              Normal
  05/02/2026 05 AM PDT           57.22            185         0              Normal
  05/02/2026 06 AM PDT           57.22            185         0              Normal
  05/02/2026 07 AM PDT           57.21            183         -              Normal
  05/02/2026 08 AM PDT           57.20            182         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/02/2026 09 AM PDT           57.19            180                        Normal
  05/02/2026 10 AM PDT           57.18            179         -              Normal
  05/02/2026 11 AM PDT           57.17            178         -              Normal
  05/02/2026 12 PM PDT           57.16            177         -              Normal
  05/02/2026 01 PM PDT           57.14            175         -              Normal
  05/02/2026 02 PM PDT           57.13            174         -              Normal
  05/02/2026 03 PM PDT           57.12            173         -              Normal
  05/02/2026 04 PM PDT           57.11            172         -              Normal
  05/02/2026 05 PM PDT           57.10            171         -              Normal
  05/02/2026 06 PM PDT           57.09            170         -              Normal
  05/02/2026 07 PM PDT           57.08            169         -              Normal
  05/02/2026 08 PM PDT           57.07            168         -              Normal
  05/02/2026 09 PM PDT           57.07            168         0              Normal
  05/02/2026 10 PM PDT           57.06            167         -              Normal
  05/02/2026 11 PM PDT           57.05            166         -              Normal
  05/03/2026 12 AM PDT           57.05            166         0              Normal
  05/03/2026 01 AM PDT           57.04            165         -              Normal
  05/03/2026 02 AM PDT           57.03            164         -              Normal
  05/03/2026 03 AM PDT           57.03            164         0              Normal
  05/03/2026 04 AM PDT           57.02            163         -              Normal
  05/03/2026 05 AM PDT           57.01            163         -              Normal
  05/03/2026 06 AM PDT           57.00            162         -              Normal
  05/03/2026 07 AM PDT           57.00            162         0              Normal
  05/03/2026 08 AM PDT           57.00            162         0              Normal
  05/03/2026 09 AM PDT           56.99            161         -              Normal
  05/03/2026 10 AM PDT           56.99            161         0              Normal
  05/03/2026 11 AM PDT           56.99            161         0              Normal
  05/03/2026 12 PM PDT           56.98            160         -              Normal
  05/03/2026 01 PM PDT           56.98            160         0              Normal
  05/03/2026 02 PM PDT           56.98            160         0              Normal
  05/03/2026 03 PM PDT           56.98            160         0              Normal
  05/03/2026 04 PM PDT           56.97            159         -              Normal
  05/03/2026 05 PM PDT           56.97            159         0              Normal
  05/03/2026 06 PM PDT           56.97            159         0              Normal
  05/03/2026 07 PM PDT           56.97            159         0              Normal
  05/03/2026 08 PM PDT           56.96            158         -              Normal
  05/03/2026 09 PM PDT           56.96            158         0              Normal
  05/03/2026 10 PM PDT           56.96            158         0              Normal
  05/03/2026 11 PM PDT           56.96            158         0              Normal
  05/04/2026 12 AM PDT           56.96            158         0              Normal
  05/04/2026 01 AM PDT           56.96            158         0              Normal
  05/04/2026 02 AM PDT           56.96            158         0              Normal
  05/04/2026 03 AM PDT           56.95            157         -              Normal
  05/04/2026 04 AM PDT           56.95            157         0              Normal
  05/04/2026 05 AM PDT           56.95            157         0              Normal
  05/04/2026 06 AM PDT           56.95            157         0              Normal
  05/04/2026 07 AM PDT           56.95            157         0              Normal
  05/04/2026 08 AM PDT           56.95            157         0              Normal
  05/04/2026 09 AM PDT           56.95            157         0              Normal
  05/04/2026 10 AM PDT           56.95            157         0              Normal
  05/04/2026 11 AM PDT           56.95            157         0              Normal
  05/04/2026 12 PM PDT           56.95            157         0              Normal
  05/04/2026 01 PM PDT           56.95            157         0              Normal
  05/04/2026 02 PM PDT           56.95            157         0              Normal
  05/04/2026 03 PM PDT           56.95            157         0              Normal
  05/04/2026 04 PM PDT           56.94            156         -              Normal
  05/04/2026 05 PM PDT           56.94            156         0              Normal
  05/04/2026 06 PM PDT           56.94            156         0              Normal
  05/04/2026 07 PM PDT           56.94            156         0              Normal
  05/04/2026 08 PM PDT           56.94            156         0              Normal
  05/04/2026 09 PM PDT           56.94            156         0              Normal
  05/04/2026 10 PM PDT           56.94            156         0              Normal
  05/04/2026 11 PM PDT           56.94            156         0              Normal
  05/05/2026 12 AM PDT           56.94            156         0              Normal
  05/05/2026 01 AM PDT           56.94            156         0              Normal
  05/05/2026 02 AM PDT           56.94            156         0              Normal
  05/05/2026 03 AM PDT           56.94            156         0              Normal
  05/05/2026 04 AM PDT           56.94            156         0              Normal
  05/05/2026 05 AM PDT           56.94            156         0              Normal
  05/05/2026 06 AM PDT           56.94            156         0              Normal
  05/05/2026 07 AM PDT           56.95            157         +              Normal
  05/05/2026 08 AM PDT           56.95            157         0              Normal
  05/05/2026 09 AM PDT           56.95            157         0              Normal
  05/05/2026 10 AM PDT           56.95            157         0              Normal
  05/05/2026 11 AM PDT           56.95            157         0              Normal
  05/05/2026 12 PM PDT           56.95            157         0              Normal
  05/05/2026 01 PM PDT           56.95            157         0              Normal
  05/05/2026 02 PM PDT           56.95            157         0              Normal
  05/05/2026 03 PM PDT           56.95            157         0              Normal
  05/05/2026 04 PM PDT           56.95            157         0              Normal
  05/05/2026 05 PM PDT           56.95            157         0              Normal
  05/05/2026 06 PM PDT           56.95            157         0              Normal
  05/05/2026 07 PM PDT           56.95            157         0              Normal
  05/05/2026 08 PM PDT           56.95            157         0              Normal
  05/05/2026 09 PM PDT           56.95            157         0              Normal
  05/05/2026 10 PM PDT           56.95            157         0              Normal
  05/05/2026 11 PM PDT           56.95            157         0              Normal
  05/06/2026 12 AM PDT           56.95            157         0              Normal
  05/06/2026 01 AM PDT           56.95            157         0              Normal
  05/06/2026 02 AM PDT           56.95            157         0              Normal
  05/06/2026 03 AM PDT           56.95            157         0              Normal
  05/06/2026 04 AM PDT           56.95            157         0              Normal
  05/06/2026 05 AM PDT           56.95            157         0              Normal
  05/06/2026 06 AM PDT           56.95            157         0              Normal
  05/06/2026 07 AM PDT           56.94            156         -              Normal
  05/06/2026 08 AM PDT           56.94            156         0              Normal
  05/06/2026 09 AM PDT           56.94            156         0              Normal
  05/06/2026 10 AM PDT           56.94            156         0              Normal
  05/06/2026 11 AM PDT           56.94            156         0              Normal
  05/06/2026 12 PM PDT           56.94            156         0              Normal
  05/06/2026 01 PM PDT           56.94            156         0              Normal
  05/06/2026 02 PM PDT           56.94            156         0              Normal
  05/06/2026 03 PM PDT           56.94            156         0              Normal
  05/06/2026 04 PM PDT           56.94            156         0              Normal
  05/06/2026 05 PM PDT           56.94            156         0              Normal
  05/06/2026 06 PM PDT           56.94            156         0              Normal
  05/06/2026 07 PM PDT           56.94            156         0              Normal
  05/06/2026 08 PM PDT           56.94            156         0              Normal
  05/06/2026 09 PM PDT           56.94            156         0              Normal
  05/06/2026 10 PM PDT           56.94            156         0              Normal
  05/06/2026 11 PM PDT           56.94            156         0              Normal
  05/07/2026 12 AM PDT           56.94            156         0              Normal
  05/07/2026 01 AM PDT           56.94            156         0              Normal
  05/07/2026 02 AM PDT           56.94            156         0              Normal
  05/07/2026 03 AM PDT           56.94            156         0              Normal
  05/07/2026 04 AM PDT           56.94            156         0              Normal
  05/07/2026 05 AM PDT           56.94            156         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.