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: Oct 31 2026 at 8:37 AM PDTNext Issuance: Nov 01 2026 at 9:00 AM PST
Action: 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:  10/31/2026 at 08:37 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  10/26/2026 at 09:00 AM PDT
# Maximum Observed Stage:                       59.53 Feet
# Maximum Observed Flow:                        684 cfs
#
# Earliest Date & Time of Maximum Forecast:     10/31/2026 at 09:00 AM PDT
# Maximum Forecast Stage:                       57.52 Feet
# Maximum Forecast Flow:                        238 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  10/26/2026 08 AM PDT           59.51            679                        Normal
  10/26/2026 09 AM PDT           59.53            684         +              Normal
  10/26/2026 10 AM PDT           59.49            674         -              Normal
  10/26/2026 11 AM PDT           59.44            661         -              Normal
  10/26/2026 12 PM PDT           59.40            650         -              Normal
  10/26/2026 01 PM PDT           59.36            640         -              Normal
  10/26/2026 02 PM PDT           59.32            630         -              Normal
  10/26/2026 03 PM PDT           59.27            618         -              Normal
  10/26/2026 04 PM PDT           59.21            603         -              Normal
  10/26/2026 05 PM PDT           59.17            593         -              Normal
  10/26/2026 06 PM PDT           59.10            576         -              Normal
  10/26/2026 07 PM PDT           59.04            561         -              Normal
  10/26/2026 08 PM PDT           58.98            547         -              Normal
  10/26/2026 09 PM PDT           58.91            530         -              Normal
  10/26/2026 10 PM PDT           58.84            514         -              Normal
  10/26/2026 11 PM PDT           58.78            500         -              Normal
  10/27/2026 12 AM PDT           58.71            484         -              Normal
  10/27/2026 01 AM PDT           58.64            468         -              Normal
  10/27/2026 02 AM PDT           58.58            454         -              Normal
  10/27/2026 03 AM PDT           58.52            440         -              Normal
  10/27/2026 04 AM PDT           58.47            429         -              Normal
  10/27/2026 05 AM PDT           58.42            418         -              Normal
  10/27/2026 06 AM PDT           58.37            407         -              Normal
  10/27/2026 07 AM PDT           58.34            400         -              Normal
  10/27/2026 08 AM PDT           58.30            391         -              Normal
  10/27/2026 09 AM PDT           58.26            383         -              Normal
  10/27/2026 10 AM PDT           58.23            376         -              Normal
  10/27/2026 11 AM PDT           58.20            370         -              Normal
  10/27/2026 12 PM PDT           58.16            361         -              Normal
  10/27/2026 01 PM PDT           58.13            355         -              Normal
  10/27/2026 02 PM PDT           58.11            351         -              Normal
  10/27/2026 03 PM PDT           58.09            347         -              Normal
  10/27/2026 04 PM PDT           58.07            343         -              Normal
  10/27/2026 05 PM PDT           58.03            335         -              Normal
  10/27/2026 06 PM PDT           57.99            327         -              Normal
  10/27/2026 07 PM PDT           57.96            321         -              Normal
  10/27/2026 08 PM PDT           57.93            315         -              Normal
  10/27/2026 09 PM PDT           57.91            311         -              Normal
  10/27/2026 10 PM PDT           57.88            305         -              Normal
  10/27/2026 11 PM PDT           57.86            301         -              Normal
  10/28/2026 12 AM PDT           57.85            299         -              Normal
  10/28/2026 01 AM PDT           57.84            297         -              Normal
  10/28/2026 02 AM PDT           57.83            295         -              Normal
  10/28/2026 03 AM PDT           57.82            293         -              Normal
  10/28/2026 04 AM PDT           57.82            293         0              Normal
  10/28/2026 05 AM PDT           57.81            291         -              Normal
  10/28/2026 06 AM PDT           57.80            289         -              Normal
  10/28/2026 07 AM PDT           57.79            287         -              Normal
  10/28/2026 08 AM PDT           57.77            284         -              Normal
  10/28/2026 09 AM PDT           57.75            280         -              Normal
  10/28/2026 10 AM PDT           57.74            278         -              Normal
  10/28/2026 11 AM PDT           57.71            272         -              Normal
  10/28/2026 12 PM PDT           57.70            271         -              Normal
  10/28/2026 01 PM PDT           57.69            269         -              Normal
  10/28/2026 02 PM PDT           57.67            265         -              Normal
  10/28/2026 03 PM PDT           57.66            263         -              Normal
  10/28/2026 04 PM PDT           57.64            260         -              Normal
  10/28/2026 05 PM PDT           57.63            258         -              Normal
  10/28/2026 06 PM PDT           57.62            256         -              Normal
  10/28/2026 07 PM PDT           57.61            254         -              Normal
  10/28/2026 08 PM PDT           57.61            254         0              Normal
  10/28/2026 09 PM PDT           57.60            252         -              Normal
  10/28/2026 10 PM PDT           57.59            251         -              Normal
  10/28/2026 11 PM PDT           57.58            249         -              Normal
  10/29/2026 12 AM PDT           57.58            249         0              Normal
  10/29/2026 01 AM PDT           57.58            249         0              Normal
  10/29/2026 02 AM PDT           57.57            247         -              Normal
  10/29/2026 03 AM PDT           57.57            247         0              Normal
  10/29/2026 04 AM PDT           57.55            243         -              Normal
  10/29/2026 05 AM PDT           57.55            243         0              Normal
  10/29/2026 06 AM PDT           57.54            242         -              Normal
  10/29/2026 07 AM PDT           57.53            240         -              Normal
  10/29/2026 08 AM PDT           57.52            238         -              Normal
  10/29/2026 09 AM PDT           57.51            236         -              Normal
  10/29/2026 10 AM PDT           57.50            235         -              Normal
  10/29/2026 11 AM PDT           57.50            235         0              Normal
  10/29/2026 12 PM PDT           57.50            235         0              Normal
  10/29/2026 01 PM PDT           57.49            233         -              Normal
  10/29/2026 02 PM PDT           57.49            233         0              Normal
  10/29/2026 03 PM PDT           57.49            233         0              Normal
  10/29/2026 04 PM PDT           57.49            233         0              Normal
  10/29/2026 05 PM PDT           57.48            231         -              Normal
  10/29/2026 06 PM PDT           57.48            231         0              Normal
  10/29/2026 07 PM PDT           57.48            231         0              Normal
  10/29/2026 08 PM PDT           57.48            231         0              Normal
  10/29/2026 09 PM PDT           57.47            229         -              Normal
  10/29/2026 10 PM PDT           57.48            231         +              Normal
  10/29/2026 11 PM PDT           57.50            235         +              Normal
  10/30/2026 12 AM PDT           57.50            235         0              Normal
  10/30/2026 01 AM PDT           57.51            236         +              Normal
  10/30/2026 02 AM PDT           57.51            236         0              Normal
  10/30/2026 03 AM PDT           57.51            236         0              Normal
  10/30/2026 04 AM PDT           57.50            235         -              Normal
  10/30/2026 05 AM PDT           57.49            233         -              Normal
  10/30/2026 06 AM PDT           57.48            231         -              Normal
  10/30/2026 07 AM PDT           57.47            229         -              Normal
  10/30/2026 08 AM PDT           57.47            229         0              Normal
  10/30/2026 09 AM PDT           57.45            226         -              Normal
  10/30/2026 10 AM PDT           57.45            226         0              Normal
  10/30/2026 11 AM PDT           57.44            224         -              Normal
  10/30/2026 12 PM PDT           57.43            222         -              Normal
  10/30/2026 01 PM PDT           57.42            221         -              Normal
  10/30/2026 02 PM PDT           57.42            221         0              Normal
  10/30/2026 03 PM PDT           57.42            221         0              Normal
  10/30/2026 04 PM PDT           57.41            219         -              Normal
  10/30/2026 05 PM PDT           57.41            219         0              Normal
  10/30/2026 06 PM PDT           57.40            217         -              Normal
  10/30/2026 07 PM PDT           57.40            217         0              Normal
  10/30/2026 08 PM PDT           57.40            217         0              Normal
  10/30/2026 09 PM PDT           57.40            217         0              Normal
  10/30/2026 10 PM PDT           57.40            217         0              Normal
  10/30/2026 11 PM PDT           57.41            219         +              Normal
  10/31/2026 12 AM PDT           57.43            222         +              Normal
  10/31/2026 01 AM PDT           57.46            228         +              Normal
  10/31/2026 02 AM PDT           57.49            233         +              Normal
  10/31/2026 03 AM PDT           57.51            236         +              Normal
  10/31/2026 04 AM PDT           57.52            238         +              Normal
  10/31/2026 05 AM PDT           57.53            240         +              Normal
  10/31/2026 06 AM PDT           57.53            240         0              Normal
  10/31/2026 07 AM PDT           57.52            238         -              Normal
  10/31/2026 08 AM PDT           57.52            238         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  10/31/2026 09 AM PDT           57.52            238                        Normal
  10/31/2026 10 AM PDT           57.52            238         0              Normal
  10/31/2026 11 AM PDT           57.52            238         0              Normal
  10/31/2026 12 PM PDT           57.51            236         -              Normal
  10/31/2026 01 PM PDT           57.51            236         0              Normal
  10/31/2026 02 PM PDT           57.51            236         0              Normal
  10/31/2026 03 PM PDT           57.50            235         -              Normal
  10/31/2026 04 PM PDT           57.50            235         0              Normal
  10/31/2026 05 PM PDT           57.50            235         0              Normal
  10/31/2026 06 PM PDT           57.50            235         0              Normal
  10/31/2026 07 PM PDT           57.49            233         -              Normal
  10/31/2026 08 PM PDT           57.49            233         0              Normal
  10/31/2026 09 PM PDT           57.49            233         0              Normal
  10/31/2026 10 PM PDT           57.49            233         0              Normal
  10/31/2026 11 PM PDT           57.49            233         0              Normal
  11/01/2026 12 AM PDT           57.49            233         0              Normal
  11/01/2026 01 AM PDT           57.48            231         -              Normal
  11/01/2026 01 AM PST           57.48            231         0              Normal
  11/01/2026 02 AM PST           57.48            231         0              Normal
  11/01/2026 03 AM PST           57.48            231         0              Normal
  11/01/2026 04 AM PST           57.48            231         0              Normal
  11/01/2026 05 AM PST           57.48            231         0              Normal
  11/01/2026 06 AM PST           57.48            231         0              Normal
  11/01/2026 07 AM PST           57.47            229         -              Normal
  11/01/2026 08 AM PST           57.47            229         0              Normal
  11/01/2026 09 AM PST           57.47            229         0              Normal
  11/01/2026 10 AM PST           57.46            228         -              Normal
  11/01/2026 11 AM PST           57.46            228         0              Normal
  11/01/2026 12 PM PST           57.45            226         -              Normal
  11/01/2026 01 PM PST           57.45            226         0              Normal
  11/01/2026 02 PM PST           57.44            224         -              Normal
  11/01/2026 03 PM PST           57.44            224         0              Normal
  11/01/2026 04 PM PST           57.43            222         -              Normal
  11/01/2026 05 PM PST           57.43            222         0              Normal
  11/01/2026 06 PM PST           57.42            221         -              Normal
  11/01/2026 07 PM PST           57.41            219         -              Normal
  11/01/2026 08 PM PST           57.41            219         0              Normal
  11/01/2026 09 PM PST           57.41            219         0              Normal
  11/01/2026 10 PM PST           57.40            217         -              Normal
  11/01/2026 11 PM PST           57.39            216         -              Normal
  11/02/2026 12 AM PST           57.39            216         0              Normal
  11/02/2026 01 AM PST           57.38            214         -              Normal
  11/02/2026 02 AM PST           57.38            214         0              Normal
  11/02/2026 03 AM PST           57.37            212         -              Normal
  11/02/2026 04 AM PST           57.37            212         0              Normal
  11/02/2026 05 AM PST           57.36            211         -              Normal
  11/02/2026 06 AM PST           57.36            211         0              Normal
  11/02/2026 07 AM PST           57.35            209         -              Normal
  11/02/2026 08 AM PST           57.35            209         0              Normal
  11/02/2026 09 AM PST           57.34            207         -              Normal
  11/02/2026 10 AM PST           57.34            207         0              Normal
  11/02/2026 11 AM PST           57.33            206         -              Normal
  11/02/2026 12 PM PST           57.33            206         0              Normal
  11/02/2026 01 PM PST           57.33            206         0              Normal
  11/02/2026 02 PM PST           57.32            204         -              Normal
  11/02/2026 03 PM PST           57.32            204         0              Normal
  11/02/2026 04 PM PST           57.31            202         -              Normal
  11/02/2026 05 PM PST           57.31            202         0              Normal
  11/02/2026 06 PM PST           57.31            202         0              Normal
  11/02/2026 07 PM PST           57.30            201         -              Normal
  11/02/2026 08 PM PST           57.30            201         0              Normal
  11/02/2026 09 PM PST           57.30            201         0              Normal
  11/02/2026 10 PM PST           57.29            199         -              Normal
  11/02/2026 11 PM PST           57.29            199         0              Normal
  11/03/2026 12 AM PST           57.29            199         0              Normal
  11/03/2026 01 AM PST           57.28            198         -              Normal
  11/03/2026 02 AM PST           57.28            198         0              Normal
  11/03/2026 03 AM PST           57.28            198         0              Normal
  11/03/2026 04 AM PST           57.27            196         -              Normal
  11/03/2026 05 AM PST           57.27            196         0              Normal
  11/03/2026 06 AM PST           57.27            196         0              Normal
  11/03/2026 07 AM PST           57.27            196         0              Normal
  11/03/2026 08 AM PST           57.27            196         0              Normal
  11/03/2026 09 AM PST           57.27            196         0              Normal
  11/03/2026 10 AM PST           57.26            194         -              Normal
  11/03/2026 11 AM PST           57.26            194         0              Normal
  11/03/2026 12 PM PST           57.26            194         0              Normal
  11/03/2026 01 PM PST           57.26            194         0              Normal
  11/03/2026 02 PM PST           57.26            194         0              Normal
  11/03/2026 03 PM PST           57.25            193         -              Normal
  11/03/2026 04 PM PST           57.25            193         0              Normal
  11/03/2026 05 PM PST           57.25            193         0              Normal
  11/03/2026 06 PM PST           57.25            193         0              Normal
  11/03/2026 07 PM PST           57.25            193         0              Normal
  11/03/2026 08 PM PST           57.25            193         0              Normal
  11/03/2026 09 PM PST           57.24            191         -              Normal
  11/03/2026 10 PM PST           57.24            191         0              Normal
  11/03/2026 11 PM PST           57.24            191         0              Normal
  11/04/2026 12 AM PST           57.24            191         0              Normal
  11/04/2026 01 AM PST           57.24            191         0              Normal
  11/04/2026 02 AM PST           57.24            191         0              Normal
  11/04/2026 03 AM PST           57.24            191         0              Normal
  11/04/2026 04 AM PST           57.24            191         0              Normal
  11/04/2026 05 AM PST           57.24            191         0              Normal
  11/04/2026 06 AM PST           57.23            189         -              Normal
  11/04/2026 07 AM PST           57.23            189         0              Normal
  11/04/2026 08 AM PST           57.23            189         0              Normal
  11/04/2026 09 AM PST           57.23            189         0              Normal
  11/04/2026 10 AM PST           57.23            189         0              Normal
  11/04/2026 11 AM PST           57.23            189         0              Normal
  11/04/2026 12 PM PST           57.23            189         0              Normal
  11/04/2026 01 PM PST           57.23            189         0              Normal
  11/04/2026 02 PM PST           57.23            189         0              Normal
  11/04/2026 03 PM PST           57.24            191         +              Normal
  11/04/2026 04 PM PST           57.24            191         0              Normal
  11/04/2026 05 PM PST           57.24            191         0              Normal
  11/04/2026 06 PM PST           57.24            191         0              Normal
  11/04/2026 07 PM PST           57.24            191         0              Normal
  11/04/2026 08 PM PST           57.24            191         0              Normal
  11/04/2026 09 PM PST           57.24            191         0              Normal
  11/04/2026 10 PM PST           57.24            191         0              Normal
  11/04/2026 11 PM PST           57.24            191         0              Normal
  11/05/2026 12 AM PST           57.24            191         0              Normal
  11/05/2026 01 AM PST           57.24            191         0              Normal
  11/05/2026 02 AM PST           57.24            191         0              Normal
  11/05/2026 03 AM PST           57.24            191         0              Normal
  11/05/2026 04 AM PST           57.24            191         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.