National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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ALAMEDA CREEK - ABOVE DIVERSION DAM (MPTC1)
Latitude: 37.50º NLongitude: 121.77º WElevation: 930 Feet
Location: Alameda County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: Dec 29 2025 at 2:18 PM PSTNext Issuance: Dec 30 2025 at 9:00 AM PST
Action/Monitor: N/A Minor Flood: 6.0 FeetModerate Flood: 8.5 FeetMajor Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Alameda Creek - Above Diversion Dam (MPTC1)
#
# File Generation Time:  12/29/2025 at 02:20 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/26/2025 at 02:00 AM PST
# Maximum Observed Stage:                       4.38 Feet
# Maximum Observed Flow:                        218 cfs
#
# Earliest Date & Time of Maximum Forecast:     01/03/2026 at 03:00 AM PST
# Maximum Forecast Stage:                       4.04 Feet
# Maximum Forecast Flow:                        153 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/24/2025 02 PM PST            2.02              1                        Normal
  12/24/2025 03 PM PST            2.02              1         0              Normal
  12/24/2025 04 PM PST            2.01              1         -              Normal
  12/24/2025 05 PM PST            2.01              1         0              Normal
  12/24/2025 06 PM PST            2.01              1         0              Normal
  12/24/2025 07 PM PST            2.01              1         0              Normal
  12/24/2025 08 PM PST            2.01              1         0              Normal
  12/24/2025 09 PM PST            2.01              1         0              Normal
  12/24/2025 10 PM PST            2.01              1         0              Normal
  12/24/2025 11 PM PST            2.01              1         0              Normal
  12/25/2025 12 AM PST            2.01              1         0              Normal
  12/25/2025 01 AM PST            2.01              1         0              Normal
  12/25/2025 02 AM PST            2.01              1         0              Normal
  12/25/2025 03 AM PST            2.04              2         +              Normal
  12/25/2025 04 AM PST            2.08              2         +              Normal
  12/25/2025 05 AM PST            2.12              2         +              Normal
  12/25/2025 06 AM PST            2.29              5         +              Normal
  12/25/2025 07 AM PST            2.29              5         0              Normal
  12/25/2025 08 AM PST            2.38              7         +              Normal
  12/25/2025 09 AM PST            2.39              7         +              Normal
  12/25/2025 10 AM PST            3.86            124         +              Normal
  12/25/2025 11 AM PST            3.98            143         +              Normal
  12/25/2025 12 PM PST            3.96            140         -              Normal
  12/25/2025 01 PM PST            3.86            124         -              Normal
  12/25/2025 02 PM PST            3.74            107         -              Normal
  12/25/2025 03 PM PST            3.63             93         -              Normal
  12/25/2025 04 PM PST            3.54             82         -              Normal
  12/25/2025 05 PM PST            3.48             75         -              Normal
  12/25/2025 06 PM PST            3.41             68         -              Normal
  12/25/2025 07 PM PST            3.36             62         -              Normal
  12/25/2025 08 PM PST            3.32             58         -              Normal
  12/25/2025 09 PM PST            3.28             54         -              Normal
  12/25/2025 10 PM PST            3.24             51         -              Normal
  12/25/2025 11 PM PST            3.23             50         -              Normal
  12/26/2025 12 AM PST            3.26             52         +              Normal
  12/26/2025 01 AM PST            3.82            118         +              Normal
  12/26/2025 02 AM PST            4.38            218         +              Normal
  12/26/2025 03 AM PST            4.35            212         -              Normal
  12/26/2025 04 AM PST            4.25            192         -              Normal
  12/26/2025 05 AM PST            4.14            171         -              Normal
  12/26/2025 06 AM PST            4.02            150         -              Normal
  12/26/2025 07 AM PST            3.93            135         -              Normal
  12/26/2025 08 AM PST            3.87            126         -              Normal
  12/26/2025 09 AM PST            3.79            114         -              Normal
  12/26/2025 10 AM PST            3.74            107         -              Normal
  12/26/2025 11 AM PST            3.68             99         -              Normal
  12/26/2025 12 PM PST            3.61             90         -              Normal
  12/26/2025 01 PM PST            3.55             83         -              Normal
  12/26/2025 02 PM PST            3.51             78         -              Normal
  12/26/2025 03 PM PST            3.45             72         -              Normal
  12/26/2025 04 PM PST            3.42             69         -              Normal
  12/26/2025 05 PM PST            3.38             64         -              Normal
  12/26/2025 06 PM PST            3.32             58         -              Normal
  12/26/2025 07 PM PST            3.31             57         -              Normal
  12/26/2025 08 PM PST            3.26             52         -              Normal
  12/26/2025 09 PM PST            3.24             51         -              Normal
  12/26/2025 10 PM PST            3.22             49         -              Normal
  12/26/2025 11 PM PST            3.21             48         -              Normal
  12/27/2025 12 AM PST            3.22             49         +              Normal
  12/27/2025 01 AM PST            3.26             52         +              Normal
  12/27/2025 02 AM PST            3.27             53         +              Normal
  12/27/2025 03 AM PST            3.30             56         +              Normal
  12/27/2025 04 AM PST            3.25             51         -              Normal
  12/27/2025 05 AM PST            3.23             50         -              Normal
  12/27/2025 06 AM PST            3.24             51         +              Normal
  12/27/2025 07 AM PST            3.22             49         -              Normal
  12/27/2025 08 AM PST            3.13             42         -              Normal
  12/27/2025 09 AM PST            3.09             39         -              Normal
  12/27/2025 10 AM PST            3.07             38         -              Normal
  12/27/2025 11 AM PST            3.04             36         -              Normal
  12/27/2025 12 PM PST            3.02             34         -              Normal
  12/27/2025 01 PM PST            2.98             32         -              Normal
  12/27/2025 02 PM PST            2.96             31         -              Normal
  12/27/2025 03 PM PST            2.95             30         -              Normal
  12/27/2025 04 PM PST            2.93             29         -              Normal
  12/27/2025 05 PM PST            2.91             28         -              Normal
  12/27/2025 06 PM PST            2.89             27         -              Normal
  12/27/2025 07 PM PST            2.88             26         -              Normal
  12/27/2025 08 PM PST            2.86             25         -              Normal
  12/27/2025 09 PM PST            2.84             24         -              Normal
  12/27/2025 10 PM PST            2.82             23         -              Normal
  12/27/2025 11 PM PST            2.80             22         -              Normal
  12/28/2025 12 AM PST            2.79             21         -              Normal
  12/28/2025 01 AM PST            2.77             20         -              Normal
  12/28/2025 02 AM PST            2.76             20         -              Normal
  12/28/2025 03 AM PST            2.74             19         -              Normal
  12/28/2025 04 AM PST            2.73             18         -              Normal
  12/28/2025 05 AM PST            2.71             17         -              Normal
  12/28/2025 06 AM PST            2.71             17         0              Normal
  12/28/2025 07 AM PST            2.69             17         -              Normal
  12/28/2025 08 AM PST            2.68             16         -              Normal
  12/28/2025 09 AM PST            2.67             16         -              Normal
  12/28/2025 10 AM PST            2.66             15         -              Normal
  12/28/2025 11 AM PST            2.65             15         -              Normal
  12/28/2025 12 PM PST            2.64             14         -              Normal
  12/28/2025 01 PM PST            2.63             14         -              Normal
  12/28/2025 02 PM PST            2.62             14         -              Normal
  12/28/2025 03 PM PST            2.62             14         0              Normal
  12/28/2025 04 PM PST            2.61             13         -              Normal
  12/28/2025 05 PM PST            2.60             13         -              Normal
  12/28/2025 06 PM PST            2.60             13         0              Normal
  12/28/2025 07 PM PST            2.59             12         -              Normal
  12/28/2025 08 PM PST            2.59             12         0              Normal
  12/28/2025 09 PM PST            2.58             12         -              Normal
  12/28/2025 10 PM PST            2.57             12         -              Normal
  12/28/2025 11 PM PST            2.57             12         0              Normal
  12/29/2025 12 AM PST            2.56             11         -              Normal
  12/29/2025 01 AM PST            2.55             11         -              Normal
  12/29/2025 02 AM PST            2.55             11         0              Normal
  12/29/2025 03 AM PST            2.54             11         -              Normal
  12/29/2025 04 AM PST            2.53             10         -              Normal
  12/29/2025 05 AM PST            2.53             10         0              Normal
  12/29/2025 06 AM PST            2.52             10         -              Normal
  12/29/2025 07 AM PST            2.52             10         0              Normal
  12/29/2025 08 AM PST            2.51             10         -              Normal
  12/29/2025 09 AM PST            2.51             10         0              Normal
  12/29/2025 10 AM PST            2.50              9         -              Normal
  12/29/2025 11 AM PST            2.49              9         -              Normal
  12/29/2025 12 PM PST            2.49              9         0              Normal
  12/29/2025 01 PM PST            2.49              9         0              Normal
  12/29/2025 02 PM PST            2.48              9         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/29/2025 03 PM PST            2.48              9                        Normal
  12/29/2025 04 PM PST            2.48              9         0              Normal
  12/29/2025 05 PM PST            2.47              9         -              Normal
  12/29/2025 06 PM PST            2.47              9         0              Normal
  12/29/2025 07 PM PST            2.46              8         -              Normal
  12/29/2025 08 PM PST            2.46              8         0              Normal
  12/29/2025 09 PM PST            2.46              8         0              Normal
  12/29/2025 10 PM PST            2.46              8         0              Normal
  12/29/2025 11 PM PST            2.45              8         -              Normal
  12/30/2025 12 AM PST            2.45              8         0              Normal
  12/30/2025 01 AM PST            2.45              8         0              Normal
  12/30/2025 02 AM PST            2.44              8         -              Normal
  12/30/2025 03 AM PST            2.44              8         0              Normal
  12/30/2025 04 AM PST            2.44              8         0              Normal
  12/30/2025 05 AM PST            2.44              8         0              Normal
  12/30/2025 06 AM PST            2.44              8         0              Normal
  12/30/2025 07 AM PST            2.43              8         -              Normal
  12/30/2025 08 AM PST            2.43              8         0              Normal
  12/30/2025 09 AM PST            2.43              8         0              Normal
  12/30/2025 10 AM PST            2.43              8         0              Normal
  12/30/2025 11 AM PST            2.43              8         0              Normal
  12/30/2025 12 PM PST            2.43              8         0              Normal
  12/30/2025 01 PM PST            2.42              7         -              Normal
  12/30/2025 02 PM PST            2.42              7         0              Normal
  12/30/2025 03 PM PST            2.42              7         0              Normal
  12/30/2025 04 PM PST            2.42              7         0              Normal
  12/30/2025 05 PM PST            2.42              7         0              Normal
  12/30/2025 06 PM PST            2.42              7         0              Normal
  12/30/2025 07 PM PST            2.42              7         0              Normal
  12/30/2025 08 PM PST            2.42              7         0              Normal
  12/30/2025 09 PM PST            2.42              7         0              Normal
  12/30/2025 10 PM PST            2.42              7         0              Normal
  12/30/2025 11 PM PST            2.42              7         0              Normal
  12/31/2025 12 AM PST            2.42              7         0              Normal
  12/31/2025 01 AM PST            2.42              7         0              Normal
  12/31/2025 02 AM PST            2.42              7         0              Normal
  12/31/2025 03 AM PST            2.42              7         0              Normal
  12/31/2025 04 AM PST            2.42              7         0              Normal
  12/31/2025 05 AM PST            2.42              7         0              Normal
  12/31/2025 06 AM PST            2.42              7         0              Normal
  12/31/2025 07 AM PST            2.42              7         0              Normal
  12/31/2025 08 AM PST            2.42              7         0              Normal
  12/31/2025 09 AM PST            2.42              7         0              Normal
  12/31/2025 10 AM PST            2.42              7         0              Normal
  12/31/2025 11 AM PST            2.42              7         0              Normal
  12/31/2025 12 PM PST            2.42              7         0              Normal
  12/31/2025 01 PM PST            2.42              7         0              Normal
  12/31/2025 02 PM PST            2.42              7         0              Normal
  12/31/2025 03 PM PST            2.43              8         +              Normal
  12/31/2025 04 PM PST            2.43              8         0              Normal
  12/31/2025 05 PM PST            2.43              8         0              Normal
  12/31/2025 06 PM PST            2.43              8         0              Normal
  12/31/2025 07 PM PST            2.43              8         0              Normal
  12/31/2025 08 PM PST            2.43              8         0              Normal
  12/31/2025 09 PM PST            2.44              8         +              Normal
  12/31/2025 10 PM PST            2.44              8         0              Normal
  12/31/2025 11 PM PST            2.44              8         0              Normal
  01/01/2026 12 AM PST            2.44              8         0              Normal
  01/01/2026 01 AM PST            2.45              8         +              Normal
  01/01/2026 02 AM PST            2.48              9         +              Normal
  01/01/2026 03 AM PST            2.57             12         +              Normal
  01/01/2026 04 AM PST            2.71             17         +              Normal
  01/01/2026 05 AM PST            2.86             25         +              Normal
  01/01/2026 06 AM PST            2.99             32         +              Normal
  01/01/2026 07 AM PST            3.10             40         +              Normal
  01/01/2026 08 AM PST            3.18             46         +              Normal
  01/01/2026 09 AM PST            3.26             52         +              Normal
  01/01/2026 10 AM PST            3.31             57         +              Normal
  01/01/2026 11 AM PST            3.35             61         +              Normal
  01/01/2026 12 PM PST            3.38             64         +              Normal
  01/01/2026 01 PM PST            3.41             68         +              Normal
  01/01/2026 02 PM PST            3.43             70         +              Normal
  01/01/2026 03 PM PST            3.45             72         +              Normal
  01/01/2026 04 PM PST            3.44             71         -              Normal
  01/01/2026 05 PM PST            3.42             69         -              Normal
  01/01/2026 06 PM PST            3.40             66         -              Normal
  01/01/2026 07 PM PST            3.39             65         -              Normal
  01/01/2026 08 PM PST            3.38             64         -              Normal
  01/01/2026 09 PM PST            3.36             62         -              Normal
  01/01/2026 10 PM PST            3.33             59         -              Normal
  01/01/2026 11 PM PST            3.29             55         -              Normal
  01/02/2026 12 AM PST            3.25             51         -              Normal
  01/02/2026 01 AM PST            3.21             48         -              Normal
  01/02/2026 02 AM PST            3.18             46         -              Normal
  01/02/2026 03 AM PST            3.16             44         -              Normal
  01/02/2026 04 AM PST            3.14             43         -              Normal
  01/02/2026 05 AM PST            3.12             41         -              Normal
  01/02/2026 06 AM PST            3.11             40         -              Normal
  01/02/2026 07 AM PST            3.10             40         -              Normal
  01/02/2026 08 AM PST            3.09             39         -              Normal
  01/02/2026 09 AM PST            3.08             38         -              Normal
  01/02/2026 10 AM PST            3.08             38         0              Normal
  01/02/2026 11 AM PST            3.09             39         +              Normal
  01/02/2026 12 PM PST            3.10             40         +              Normal
  01/02/2026 01 PM PST            3.11             40         +              Normal
  01/02/2026 02 PM PST            3.12             41         +              Normal
  01/02/2026 03 PM PST            3.13             42         +              Normal
  01/02/2026 04 PM PST            3.16             44         +              Normal
  01/02/2026 05 PM PST            3.21             48         +              Normal
  01/02/2026 06 PM PST            3.27             53         +              Normal
  01/02/2026 07 PM PST            3.33             59         +              Normal
  01/02/2026 08 PM PST            3.37             63         +              Normal
  01/02/2026 09 PM PST            3.45             72         +              Normal
  01/02/2026 10 PM PST            3.58             87         +              Normal
  01/02/2026 11 PM PST            3.72            104         +              Normal
  01/03/2026 12 AM PST            3.85            123         +              Normal
  01/03/2026 01 AM PST            3.95            138         +              Normal
  01/03/2026 02 AM PST            4.01            148         +              Normal
  01/03/2026 03 AM PST            4.04            153         +              Normal
  01/03/2026 04 AM PST            4.03            152         -              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.