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 Feet
Location: Merced County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Jan 02 2026 at 8:32 AM PSTNext Issuance: Jan 02 2026 at 3:00 PM PST
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:  01/02/2026 at 08:33 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/28/2025 at 05:00 PM PST
# Maximum Observed Stage:                       57.31 Feet
# Maximum Observed Flow:                        175 cfs
#
# Earliest Date & Time of Maximum Forecast:     01/05/2026 at 08:00 PM PST
# Maximum Forecast Stage:                       61.19 Feet
# Maximum Forecast Flow:                        1107 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/28/2025 08 AM PST           57.27            171                        Normal
  12/28/2025 09 AM PST           57.28            172         +              Normal
  12/28/2025 10 AM PST           57.29            173         +              Normal
  12/28/2025 11 AM PST           57.28            172         -              Normal
  12/28/2025 12 PM PST           57.29            173         +              Normal
  12/28/2025 01 PM PST           57.29            173         0              Normal
  12/28/2025 02 PM PST           57.29            173         0              Normal
  12/28/2025 03 PM PST           57.29            173         0              Normal
  12/28/2025 04 PM PST           57.31            175         +              Normal
  12/28/2025 05 PM PST           57.31            175         0              Normal
  12/28/2025 06 PM PST           57.30            174         -              Normal
  12/28/2025 07 PM PST           57.30            174         0              Normal
  12/28/2025 08 PM PST           57.30            174         0              Normal
  12/28/2025 09 PM PST           57.29            173         -              Normal
  12/28/2025 10 PM PST           57.30            174         +              Normal
  12/28/2025 11 PM PST           57.29            173         -              Normal
  12/29/2025 12 AM PST           57.29            173         0              Normal
  12/29/2025 01 AM PST           57.28            172         -              Normal
  12/29/2025 02 AM PST           57.27            171         -              Normal
  12/29/2025 03 AM PST           57.27            171         0              Normal
  12/29/2025 04 AM PST           57.26            170         -              Normal
  12/29/2025 05 AM PST           57.25            169         -              Normal
  12/29/2025 06 AM PST           57.25            169         0              Normal
  12/29/2025 07 AM PST           57.25            169         0              Normal
  12/29/2025 08 AM PST           57.24            168         -              Normal
  12/29/2025 09 AM PST           57.23            167         -              Normal
  12/29/2025 10 AM PST           57.22            166         -              Normal
  12/29/2025 11 AM PST           57.21            165         -              Normal
  12/29/2025 12 PM PST           57.21            165         0              Normal
  12/29/2025 01 PM PST           57.21            165         0              Normal
  12/29/2025 02 PM PST           57.20            164         -              Normal
  12/29/2025 03 PM PST           57.19            163         -              Normal
  12/29/2025 04 PM PST           57.19            163         0              Normal
  12/29/2025 05 PM PST           57.17            162         -              Normal
  12/29/2025 06 PM PST           57.17            162         0              Normal
  12/29/2025 07 PM PST           57.16            161         -              Normal
  12/29/2025 08 PM PST           57.15            160         -              Normal
  12/29/2025 09 PM PST           57.15            160         0              Normal
  12/29/2025 10 PM PST           57.14            159         -              Normal
  12/29/2025 11 PM PST           57.14            159         0              Normal
  12/30/2025 12 AM PST           57.13            158         -              Normal
  12/30/2025 01 AM PST           57.13            158         0              Normal
  12/30/2025 02 AM PST           57.12            157         -              Normal
  12/30/2025 03 AM PST           57.12            157         0              Normal
  12/30/2025 04 AM PST           57.11            156         -              Normal
  12/30/2025 05 AM PST           57.10            155         -              Normal
  12/30/2025 06 AM PST           57.10            155         0              Normal
  12/30/2025 07 AM PST           57.09            154         -              Normal
  12/30/2025 08 AM PST           57.09            154         0              Normal
  12/30/2025 09 AM PST           57.08            153         -              Normal
  12/30/2025 10 AM PST           57.07            152         -              Normal
  12/30/2025 11 AM PST           57.06            151         -              Normal
  12/30/2025 12 PM PST           57.06            151         0              Normal
  12/30/2025 01 PM PST           57.06            151         0              Normal
  12/30/2025 02 PM PST           57.05            150         -              Normal
  12/30/2025 03 PM PST           57.05            150         0              Normal
  12/30/2025 04 PM PST           57.04            149         -              Normal
  12/30/2025 05 PM PST           57.04            149         0              Normal
  12/30/2025 06 PM PST           57.04            149         0              Normal
  12/30/2025 07 PM PST           57.04            149         0              Normal
  12/30/2025 08 PM PST           57.03            148         -              Normal
  12/30/2025 09 PM PST           57.02            147         -              Normal
  12/30/2025 10 PM PST           57.02            147         0              Normal
  12/30/2025 11 PM PST           57.01            146         -              Normal
  12/31/2025 12 AM PST           57.01            146         0              Normal
  12/31/2025 01 AM PST           57.00            145         -              Normal
  12/31/2025 02 AM PST           57.00            145         0              Normal
  12/31/2025 03 AM PST           57.00            145         0              Normal
  12/31/2025 04 AM PST           56.99            144         -              Normal
  12/31/2025 05 AM PST           57.00            145         +              Normal
  12/31/2025 06 AM PST           56.99            144         -              Normal
  12/31/2025 07 AM PST           56.99            144         0              Normal
  12/31/2025 08 AM PST           56.98            143         -              Normal
  12/31/2025 09 AM PST           56.98            143         0              Normal
  12/31/2025 10 AM PST           56.98            143         0              Normal
  12/31/2025 11 AM PST           56.98            143         0              Normal
  12/31/2025 12 PM PST           56.98            143         0              Normal
  12/31/2025 01 PM PST           56.98            143         0              Normal
  12/31/2025 02 PM PST           56.98            143         0              Normal
  12/31/2025 03 PM PST           56.97            142         -              Normal
  12/31/2025 04 PM PST           56.97            142         0              Normal
  12/31/2025 05 PM PST           56.97            142         0              Normal
  12/31/2025 06 PM PST           56.97            142         0              Normal
  12/31/2025 07 PM PST           56.96            141         -              Normal
  12/31/2025 08 PM PST           56.95            140         -              Normal
  12/31/2025 09 PM PST           56.96            141         +              Normal
  12/31/2025 10 PM PST           56.95            140         -              Normal
  12/31/2025 11 PM PST           56.95            140         0              Normal
  01/01/2026 12 AM PST           56.95            140         0              Normal
  01/01/2026 01 AM PST           56.96            141         +              Normal
  01/01/2026 02 AM PST           56.96            141         0              Normal
  01/01/2026 03 AM PST           56.97            142         +              Normal
  01/01/2026 04 AM PST           56.97            142         0              Normal
  01/01/2026 05 AM PST           56.99            144         +              Normal
  01/01/2026 06 AM PST           57.01            146         +              Normal
  01/01/2026 07 AM PST           57.01            146         0              Normal
  01/01/2026 08 AM PST           57.00            145         -              Normal
  01/01/2026 09 AM PST           57.01            146         +              Normal
  01/01/2026 10 AM PST           57.03            148         +              Normal
  01/01/2026 11 AM PST           57.06            151         +              Normal
  01/01/2026 12 PM PST           57.05            150         -              Normal
  01/01/2026 01 PM PST           57.03            148         -              Normal
  01/01/2026 02 PM PST           57.02            147         -              Normal
  01/01/2026 03 PM PST           57.01            146         -              Normal
  01/01/2026 04 PM PST           56.99            144         -              Normal
  01/01/2026 05 PM PST           56.98            143         -              Normal
  01/01/2026 06 PM PST           56.98            143         0              Normal
  01/01/2026 07 PM PST           56.98            143         0              Normal
  01/01/2026 08 PM PST           56.98            143         0              Normal
  01/01/2026 09 PM PST           56.97            142         -              Normal
  01/01/2026 10 PM PST           56.98            143         +              Normal
  01/01/2026 11 PM PST           56.98            143         0              Normal
  01/02/2026 12 AM PST           56.97            142         -              Normal
  01/02/2026 01 AM PST           56.97            142         0              Normal
  01/02/2026 02 AM PST           56.98            143         +              Normal
  01/02/2026 03 AM PST           56.98            143         0              Normal
  01/02/2026 04 AM PST           56.98            143         0              Normal
  01/02/2026 05 AM PST           56.98            143         0              Normal
  01/02/2026 06 AM PST           56.98            143         0              Normal
  01/02/2026 07 AM PST           56.99            144         +              Normal
  01/02/2026 08 AM PST           57.05            150         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  01/02/2026 09 AM PST           57.14            159                        Normal
  01/02/2026 10 AM PST           57.30            174         +              Normal
  01/02/2026 11 AM PST           57.48            199         +              Normal
  01/02/2026 12 PM PST           57.72            240         +              Normal
  01/02/2026 01 PM PST           58.03            297         +              Normal
  01/02/2026 02 PM PST           58.35            361         +              Normal
  01/02/2026 03 PM PST           58.65            427         +              Normal
  01/02/2026 04 PM PST           58.90            484         +              Normal
  01/02/2026 05 PM PST           59.10            530         +              Normal
  01/02/2026 06 PM PST           59.26            568         +              Normal
  01/02/2026 07 PM PST           59.37            595         +              Normal
  01/02/2026 08 PM PST           59.45            615         +              Normal
  01/02/2026 09 PM PST           59.51            630         +              Normal
  01/02/2026 10 PM PST           59.55            640         +              Normal
  01/02/2026 11 PM PST           59.57            645         +              Normal
  01/03/2026 12 AM PST           59.57            645         0              Normal
  01/03/2026 01 AM PST           59.57            645         0              Normal
  01/03/2026 02 AM PST           59.56            643         -              Normal
  01/03/2026 03 AM PST           59.54            638         -              Normal
  01/03/2026 04 AM PST           59.52            633         -              Normal
  01/03/2026 05 AM PST           59.50            628         -              Normal
  01/03/2026 06 AM PST           59.47            620         -              Normal
  01/03/2026 07 AM PST           59.43            610         -              Normal
  01/03/2026 08 AM PST           59.38            598         -              Normal
  01/03/2026 09 AM PST           59.33            585         -              Normal
  01/03/2026 10 AM PST           59.28            573         -              Normal
  01/03/2026 11 AM PST           59.22            559         -              Normal
  01/03/2026 12 PM PST           59.16            544         -              Normal
  01/03/2026 01 PM PST           59.10            530         -              Normal
  01/03/2026 02 PM PST           59.04            516         -              Normal
  01/03/2026 03 PM PST           58.99            505         -              Normal
  01/03/2026 04 PM PST           58.95            495         -              Normal
  01/03/2026 05 PM PST           58.91            486         -              Normal
  01/03/2026 06 PM PST           58.87            477         -              Normal
  01/03/2026 07 PM PST           58.84            470         -              Normal
  01/03/2026 08 PM PST           58.83            468         -              Normal
  01/03/2026 09 PM PST           58.84            470         +              Normal
  01/03/2026 10 PM PST           58.86            475         +              Normal
  01/03/2026 11 PM PST           58.90            484         +              Normal
  01/04/2026 12 AM PST           58.95            495         +              Normal
  01/04/2026 01 AM PST           59.02            512         +              Normal
  01/04/2026 02 AM PST           59.10            530         +              Normal
  01/04/2026 03 AM PST           59.19            552         +              Normal
  01/04/2026 04 AM PST           59.29            576         +              Normal
  01/04/2026 05 AM PST           59.40            603         +              Normal
  01/04/2026 06 AM PST           59.52            633         +              Normal
  01/04/2026 07 AM PST           59.66            668         +              Normal
  01/04/2026 08 AM PST           59.79            702         +              Normal
  01/04/2026 09 AM PST           59.93            739         +              Normal
  01/04/2026 10 AM PST           60.06            775         +              Normal
  01/04/2026 11 AM PST           60.18            808         +              Normal
  01/04/2026 12 PM PST           60.28            836         +              Normal
  01/04/2026 01 PM PST           60.38            864         +              Normal
  01/04/2026 02 PM PST           60.45            884         +              Normal
  01/04/2026 03 PM PST           60.52            904         +              Normal
  01/04/2026 04 PM PST           60.57            919         +              Normal
  01/04/2026 05 PM PST           60.60            928         +              Normal
  01/04/2026 06 PM PST           60.63            937         +              Normal
  01/04/2026 07 PM PST           60.64            940         +              Normal
  01/04/2026 08 PM PST           60.64            940         0              Normal
  01/04/2026 09 PM PST           60.64            940         0              Normal
  01/04/2026 10 PM PST           60.62            934         -              Normal
  01/04/2026 11 PM PST           60.61            931         -              Normal
  01/05/2026 12 AM PST           60.58            922         -              Normal
  01/05/2026 01 AM PST           60.56            916         -              Normal
  01/05/2026 02 AM PST           60.54            910         -              Normal
  01/05/2026 03 AM PST           60.53            907         -              Normal
  01/05/2026 04 AM PST           60.52            904         -              Normal
  01/05/2026 05 AM PST           60.52            904         0              Normal
  01/05/2026 06 AM PST           60.54            910         +              Normal
  01/05/2026 07 AM PST           60.56            916         +              Normal
  01/05/2026 08 AM PST           60.59            925         +              Normal
  01/05/2026 09 AM PST           60.63            937         +              Normal
  01/05/2026 10 AM PST           60.69            954         +              Normal
  01/05/2026 11 AM PST           60.75            972         +              Normal
  01/05/2026 12 PM PST           60.83            996         +              Normal
  01/05/2026 01 PM PST           60.90           1018         +              Normal
  01/05/2026 02 PM PST           60.97           1039         +              Normal
  01/05/2026 03 PM PST           61.03           1057         +              Normal
  01/05/2026 04 PM PST           61.08           1073         +              Normal
  01/05/2026 05 PM PST           61.12           1085         +              Normal
  01/05/2026 06 PM PST           61.15           1095         +              Normal
  01/05/2026 07 PM PST           61.17           1101         +              Normal
  01/05/2026 08 PM PST           61.19           1107         +              Normal
  01/05/2026 09 PM PST           61.19           1107         0              Normal
  01/05/2026 10 PM PST           61.18           1104         -              Normal
  01/05/2026 11 PM PST           61.16           1098         -              Normal
  01/06/2026 12 AM PST           61.13           1089         -              Normal
  01/06/2026 01 AM PST           61.09           1076         -              Normal
  01/06/2026 02 AM PST           61.05           1064         -              Normal
  01/06/2026 03 AM PST           61.00           1048         -              Normal
  01/06/2026 04 AM PST           60.94           1030         -              Normal
  01/06/2026 05 AM PST           60.88           1011         -              Normal
  01/06/2026 06 AM PST           60.82            993         -              Normal
  01/06/2026 07 AM PST           60.75            972         -              Normal
  01/06/2026 08 AM PST           60.68            951         -              Normal
  01/06/2026 09 AM PST           60.61            931         -              Normal
  01/06/2026 10 AM PST           60.54            910         -              Normal
  01/06/2026 11 AM PST           60.47            890         -              Normal
  01/06/2026 12 PM PST           60.40            870         -              Normal
  01/06/2026 01 PM PST           60.33            850         -              Normal
  01/06/2026 02 PM PST           60.26            830         -              Normal
  01/06/2026 03 PM PST           60.19            810         -              Normal
  01/06/2026 04 PM PST           60.12            791         -              Normal
  01/06/2026 05 PM PST           60.05            772         -              Normal
  01/06/2026 06 PM PST           59.98            753         -              Normal
  01/06/2026 07 PM PST           59.92            737         -              Normal
  01/06/2026 08 PM PST           59.86            721         -              Normal
  01/06/2026 09 PM PST           59.80            705         -              Normal
  01/06/2026 10 PM PST           59.74            689         -              Normal
  01/06/2026 11 PM PST           59.68            674         -              Normal
  01/07/2026 12 AM PST           59.62            658         -              Normal
  01/07/2026 01 AM PST           59.57            645         -              Normal
  01/07/2026 02 AM PST           59.51            630         -              Normal
  01/07/2026 03 AM PST           59.45            615         -              Normal
  01/07/2026 04 AM PST           59.39            600         -              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.