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: Aug 12 2026 at 6:57 AM PDTNext Issuance: Aug 13 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:  08/12/2026 at 06:57 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  08/07/2026 at 06:00 AM PDT
# Maximum Observed Stage:                       58.51 Feet
# Maximum Observed Flow:                        438 cfs
#
# Earliest Date & Time of Maximum Forecast:     08/12/2026 at 07:00 AM PDT
# Maximum Forecast Stage:                       57.45 Feet
# Maximum Forecast Flow:                        226 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  08/07/2026 06 AM PDT           58.51            438                        Normal
  08/07/2026 07 AM PDT           58.50            436         -              Normal
  08/07/2026 08 AM PDT           58.49            433         -              Normal
  08/07/2026 09 AM PDT           58.49            433         0              Normal
  08/07/2026 10 AM PDT           58.48            431         -              Normal
  08/07/2026 11 AM PDT           58.48            431         0              Normal
  08/07/2026 12 PM PDT           58.47            429         -              Normal
  08/07/2026 01 PM PDT           58.45            424         -              Normal
  08/07/2026 02 PM PDT           58.43            420         -              Normal
  08/07/2026 03 PM PDT           58.42            418         -              Normal
  08/07/2026 04 PM PDT           58.40            413         -              Normal
  08/07/2026 05 PM PDT           58.40            413         0              Normal
  08/07/2026 06 PM PDT           58.39            411         -              Normal
  08/07/2026 07 PM PDT           58.37            407         -              Normal
  08/07/2026 08 PM PDT           58.37            407         0              Normal
  08/07/2026 09 PM PDT           58.37            407         0              Normal
  08/07/2026 10 PM PDT           58.36            404         -              Normal
  08/07/2026 11 PM PDT           58.34            400         -              Normal
  08/08/2026 12 AM PDT           58.34            400         0              Normal
  08/08/2026 01 AM PDT           58.34            400         0              Normal
  08/08/2026 02 AM PDT           58.34            400         0              Normal
  08/08/2026 03 AM PDT           58.30            391         -              Normal
  08/08/2026 04 AM PDT           58.27            385         -              Normal
  08/08/2026 05 AM PDT           58.25            381         -              Normal
  08/08/2026 06 AM PDT           58.24            378         -              Normal
  08/08/2026 07 AM PDT           58.24            378         0              Normal
  08/08/2026 08 AM PDT           58.24            378         0              Normal
  08/08/2026 09 AM PDT           58.24            378         0              Normal
  08/08/2026 10 AM PDT           58.26            383         +              Normal
  08/08/2026 11 AM PDT           58.30            391         +              Normal
  08/08/2026 12 PM PDT           58.30            391         0              Normal
  08/08/2026 01 PM PDT           58.29            389         -              Normal
  08/08/2026 02 PM PDT           58.28            387         -              Normal
  08/08/2026 03 PM PDT           58.26            383         -              Normal
  08/08/2026 04 PM PDT           58.25            381         -              Normal
  08/08/2026 05 PM PDT           58.23            376         -              Normal
  08/08/2026 06 PM PDT           58.19            368         -              Normal
  08/08/2026 07 PM PDT           58.17            364         -              Normal
  08/08/2026 08 PM PDT           58.15            359         -              Normal
  08/08/2026 09 PM PDT           58.14            357         -              Normal
  08/08/2026 10 PM PDT           58.12            353         -              Normal
  08/08/2026 11 PM PDT           58.10            349         -              Normal
  08/09/2026 12 AM PDT           58.09            347         -              Normal
  08/09/2026 01 AM PDT           58.07            343         -              Normal
  08/09/2026 02 AM PDT           58.06            341         -              Normal
  08/09/2026 03 AM PDT           58.04            337         -              Normal
  08/09/2026 04 AM PDT           58.02            333         -              Normal
  08/09/2026 05 AM PDT           58.00            329         -              Normal
  08/09/2026 06 AM PDT           57.99            327         -              Normal
  08/09/2026 07 AM PDT           57.97            323         -              Normal
  08/09/2026 08 AM PDT           57.95            319         -              Normal
  08/09/2026 09 AM PDT           57.95            319         0              Normal
  08/09/2026 10 AM PDT           57.94            317         -              Normal
  08/09/2026 11 AM PDT           57.93            315         -              Normal
  08/09/2026 12 PM PDT           57.92            313         -              Normal
  08/09/2026 01 PM PDT           57.91            311         -              Normal
  08/09/2026 02 PM PDT           57.90            309         -              Normal
  08/09/2026 03 PM PDT           57.91            311         +              Normal
  08/09/2026 04 PM PDT           57.88            305         -              Normal
  08/09/2026 05 PM PDT           57.86            301         -              Normal
  08/09/2026 06 PM PDT           57.84            297         -              Normal
  08/09/2026 07 PM PDT           57.83            295         -              Normal
  08/09/2026 08 PM PDT           57.82            293         -              Normal
  08/09/2026 09 PM PDT           57.81            291         -              Normal
  08/09/2026 10 PM PDT           57.81            291         0              Normal
  08/09/2026 11 PM PDT           57.81            291         0              Normal
  08/10/2026 12 AM PDT           57.81            291         0              Normal
  08/10/2026 01 AM PDT           57.81            291         0              Normal
  08/10/2026 02 AM PDT           57.81            291         0              Normal
  08/10/2026 03 AM PDT           57.81            291         0              Normal
  08/10/2026 04 AM PDT           57.82            293         +              Normal
  08/10/2026 05 AM PDT           57.81            291         -              Normal
  08/10/2026 06 AM PDT           57.81            291         0              Normal
  08/10/2026 07 AM PDT           57.80            289         -              Normal
  08/10/2026 08 AM PDT           57.77            284         -              Normal
  08/10/2026 09 AM PDT           57.75            280         -              Normal
  08/10/2026 10 AM PDT           57.74            278         -              Normal
  08/10/2026 11 AM PDT           57.73            276         -              Normal
  08/10/2026 12 PM PDT           57.72            274         -              Normal
  08/10/2026 01 PM PDT           57.71            272         -              Normal
  08/10/2026 02 PM PDT           57.70            271         -              Normal
  08/10/2026 03 PM PDT           57.69            269         -              Normal
  08/10/2026 04 PM PDT           57.68            267         -              Normal
  08/10/2026 05 PM PDT           57.68            267         0              Normal
  08/10/2026 06 PM PDT           57.68            267         0              Normal
  08/10/2026 07 PM PDT           57.71            272         +              Normal
  08/10/2026 08 PM PDT           57.72            274         +              Normal
  08/10/2026 09 PM PDT           57.72            274         0              Normal
  08/10/2026 10 PM PDT           57.72            274         0              Normal
  08/10/2026 11 PM PDT           57.71            272         -              Normal
  08/11/2026 12 AM PDT           57.69            269         -              Normal
  08/11/2026 01 AM PDT           57.68            267         -              Normal
  08/11/2026 02 AM PDT           57.66            263         -              Normal
  08/11/2026 03 AM PDT           57.65            261         -              Normal
  08/11/2026 04 AM PDT           57.64            260         -              Normal
  08/11/2026 05 AM PDT           57.62            256         -              Normal
  08/11/2026 06 AM PDT           57.60            252         -              Normal
  08/11/2026 07 AM PDT           57.58            249         -              Normal
  08/11/2026 08 AM PDT           57.56            245         -              Normal
  08/11/2026 09 AM PDT           57.52            238         -              Normal
  08/11/2026 10 AM PDT           57.51            236         -              Normal
  08/11/2026 11 AM PDT           57.51            236         0              Normal
  08/11/2026 12 PM PDT           57.52            238         +              Normal
  08/11/2026 01 PM PDT           57.51            236         -              Normal
  08/11/2026 02 PM PDT           57.51            236         0              Normal
  08/11/2026 03 PM PDT           57.51            236         0              Normal
  08/11/2026 04 PM PDT           57.53            240         +              Normal
  08/11/2026 05 PM PDT           57.56            245         +              Normal
  08/11/2026 06 PM PDT           57.55            243         -              Normal
  08/11/2026 07 PM PDT           57.54            242         -              Normal
  08/11/2026 08 PM PDT           57.51            236         -              Normal
  08/11/2026 09 PM PDT           57.48            231         -              Normal
  08/11/2026 10 PM PDT           57.46            228         -              Normal
  08/11/2026 11 PM PDT           57.47            229         +              Normal
  08/12/2026 12 AM PDT           57.47            229         0              Normal
  08/12/2026 01 AM PDT           57.46            228         -              Normal
  08/12/2026 02 AM PDT           57.44            224         -              Normal
  08/12/2026 03 AM PDT           57.42            221         -              Normal
  08/12/2026 04 AM PDT           57.44            224         +              Normal
  08/12/2026 05 AM PDT           57.45            226         +              Normal
  08/12/2026 06 AM PDT           57.45            226         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  08/12/2026 07 AM PDT           57.45            226                        Normal
  08/12/2026 08 AM PDT           57.45            226         0              Normal
  08/12/2026 09 AM PDT           57.45            226         0              Normal
  08/12/2026 10 AM PDT           57.45            226         0              Normal
  08/12/2026 11 AM PDT           57.45            226         0              Normal
  08/12/2026 12 PM PDT           57.44            224         -              Normal
  08/12/2026 01 PM PDT           57.44            224         0              Normal
  08/12/2026 02 PM PDT           57.43            222         -              Normal
  08/12/2026 03 PM PDT           57.42            221         -              Normal
  08/12/2026 04 PM PDT           57.41            219         -              Normal
  08/12/2026 05 PM PDT           57.40            217         -              Normal
  08/12/2026 06 PM PDT           57.39            216         -              Normal
  08/12/2026 07 PM PDT           57.38            214         -              Normal
  08/12/2026 08 PM PDT           57.37            212         -              Normal
  08/12/2026 09 PM PDT           57.35            209         -              Normal
  08/12/2026 10 PM PDT           57.34            207         -              Normal
  08/12/2026 11 PM PDT           57.33            206         -              Normal
  08/13/2026 12 AM PDT           57.32            204         -              Normal
  08/13/2026 01 AM PDT           57.30            201         -              Normal
  08/13/2026 02 AM PDT           57.29            199         -              Normal
  08/13/2026 03 AM PDT           57.28            198         -              Normal
  08/13/2026 04 AM PDT           57.27            196         -              Normal
  08/13/2026 05 AM PDT           57.26            194         -              Normal
  08/13/2026 06 AM PDT           57.25            193         -              Normal
  08/13/2026 07 AM PDT           57.24            191         -              Normal
  08/13/2026 08 AM PDT           57.23            189         -              Normal
  08/13/2026 09 AM PDT           57.22            188         -              Normal
  08/13/2026 10 AM PDT           57.21            186         -              Normal
  08/13/2026 11 AM PDT           57.20            185         -              Normal
  08/13/2026 12 PM PDT           57.19            183         -              Normal
  08/13/2026 01 PM PDT           57.19            183         0              Normal
  08/13/2026 02 PM PDT           57.18            182         -              Normal
  08/13/2026 03 PM PDT           57.17            180         -              Normal
  08/13/2026 04 PM PDT           57.16            179         -              Normal
  08/13/2026 05 PM PDT           57.15            178         -              Normal
  08/13/2026 06 PM PDT           57.14            177         -              Normal
  08/13/2026 07 PM PDT           57.13            176         -              Normal
  08/13/2026 08 PM PDT           57.12            175         -              Normal
  08/13/2026 09 PM PDT           57.11            174         -              Normal
  08/13/2026 10 PM PDT           57.11            174         0              Normal
  08/13/2026 11 PM PDT           57.10            173         -              Normal
  08/14/2026 12 AM PDT           57.09            172         -              Normal
  08/14/2026 01 AM PDT           57.09            172         0              Normal
  08/14/2026 02 AM PDT           57.08            171         -              Normal
  08/14/2026 03 AM PDT           57.07            170         -              Normal
  08/14/2026 04 AM PDT           57.07            170         0              Normal
  08/14/2026 05 AM PDT           57.06            169         -              Normal
  08/14/2026 06 AM PDT           57.06            169         0              Normal
  08/14/2026 07 AM PDT           57.05            168         -              Normal
  08/14/2026 08 AM PDT           57.05            168         0              Normal
  08/14/2026 09 AM PDT           57.04            167         -              Normal
  08/14/2026 10 AM PDT           57.04            167         0              Normal
  08/14/2026 11 AM PDT           57.04            167         0              Normal
  08/14/2026 12 PM PDT           57.03            166         -              Normal
  08/14/2026 01 PM PDT           57.03            166         0              Normal
  08/14/2026 02 PM PDT           57.03            166         0              Normal
  08/14/2026 03 PM PDT           57.02            165         -              Normal
  08/14/2026 04 PM PDT           57.02            165         0              Normal
  08/14/2026 05 PM PDT           57.02            165         0              Normal
  08/14/2026 06 PM PDT           57.02            165         0              Normal
  08/14/2026 07 PM PDT           57.02            165         0              Normal
  08/14/2026 08 PM PDT           57.01            164         -              Normal
  08/14/2026 09 PM PDT           57.01            164         0              Normal
  08/14/2026 10 PM PDT           57.01            164         0              Normal
  08/14/2026 11 PM PDT           57.01            164         0              Normal
  08/15/2026 12 AM PDT           57.01            164         0              Normal
  08/15/2026 01 AM PDT           57.00            163         -              Normal
  08/15/2026 02 AM PDT           57.00            163         0              Normal
  08/15/2026 03 AM PDT           57.00            163         0              Normal
  08/15/2026 04 AM PDT           57.00            163         0              Normal
  08/15/2026 05 AM PDT           56.99            163         -              Normal
  08/15/2026 06 AM PDT           56.99            163         0              Normal
  08/15/2026 07 AM PDT           56.99            163         0              Normal
  08/15/2026 08 AM PDT           56.99            163         0              Normal
  08/15/2026 09 AM PDT           56.99            163         0              Normal
  08/15/2026 10 AM PDT           56.98            162         -              Normal
  08/15/2026 11 AM PDT           56.98            162         0              Normal
  08/15/2026 12 PM PDT           56.98            162         0              Normal
  08/15/2026 01 PM PDT           56.98            162         0              Normal
  08/15/2026 02 PM PDT           56.98            162         0              Normal
  08/15/2026 03 PM PDT           56.98            162         0              Normal
  08/15/2026 04 PM PDT           56.98            162         0              Normal
  08/15/2026 05 PM PDT           56.98            162         0              Normal
  08/15/2026 06 PM PDT           56.98            162         0              Normal
  08/15/2026 07 PM PDT           56.98            162         0              Normal
  08/15/2026 08 PM PDT           56.98            162         0              Normal
  08/15/2026 09 PM PDT           56.98            162         0              Normal
  08/15/2026 10 PM PDT           56.98            162         0              Normal
  08/15/2026 11 PM PDT           56.98            162         0              Normal
  08/16/2026 12 AM PDT           56.98            162         0              Normal
  08/16/2026 01 AM PDT           56.98            162         0              Normal
  08/16/2026 02 AM PDT           56.98            162         0              Normal
  08/16/2026 03 AM PDT           56.98            162         0              Normal
  08/16/2026 04 AM PDT           56.98            162         0              Normal
  08/16/2026 05 AM PDT           56.98            162         0              Normal
  08/16/2026 06 AM PDT           56.98            162         0              Normal
  08/16/2026 07 AM PDT           56.98            162         0              Normal
  08/16/2026 08 AM PDT           56.98            162         0              Normal
  08/16/2026 09 AM PDT           56.98            162         0              Normal
  08/16/2026 10 AM PDT           56.98            162         0              Normal
  08/16/2026 11 AM PDT           56.98            162         0              Normal
  08/16/2026 12 PM PDT           56.98            162         0              Normal
  08/16/2026 01 PM PDT           56.98            162         0              Normal
  08/16/2026 02 PM PDT           56.98            162         0              Normal
  08/16/2026 03 PM PDT           56.98            162         0              Normal
  08/16/2026 04 PM PDT           56.98            162         0              Normal
  08/16/2026 05 PM PDT           56.98            162         0              Normal
  08/16/2026 06 PM PDT           56.98            162         0              Normal
  08/16/2026 07 PM PDT           56.98            162         0              Normal
  08/16/2026 08 PM PDT           56.98            162         0              Normal
  08/16/2026 09 PM PDT           56.98            162         0              Normal
  08/16/2026 10 PM PDT           56.98            162         0              Normal
  08/16/2026 11 PM PDT           56.98            162         0              Normal
  08/17/2026 12 AM PDT           56.98            162         0              Normal
  08/17/2026 01 AM PDT           56.98            162         0              Normal
  08/17/2026 02 AM PDT           56.98            162         0              Normal
  08/17/2026 03 AM PDT           56.98            162         0              Normal
  08/17/2026 04 AM PDT           56.98            162         0              Normal
  08/17/2026 05 AM PDT           56.98            162         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.