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 FeetForecast Type: Unofficial Location
Location: Alameda County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: Feb 21 2026 at 8:47 AM PSTNext Issuance: Feb 22 2026 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:  02/21/2026 at 08:49 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/17/2026 at 04:00 PM PST
# Maximum Observed Stage:                       6.54 Feet
# Maximum Observed Flow:                        880 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/25/2026 at 05:00 AM PST
# Maximum Forecast Stage:                       4.34 Feet
# Maximum Forecast Flow:                        174 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/16/2026 08 AM PST            2.38             10                        Normal
  02/16/2026 09 AM PST            2.43             11         +              Normal
  02/16/2026 10 AM PST            2.47             12         +              Normal
  02/16/2026 11 AM PST            2.53             14         +              Normal
  02/16/2026 12 PM PST            2.66             19         +              Normal
  02/16/2026 01 PM PST            2.85             26         +              Normal
  02/16/2026 02 PM PST            3.25             48         +              Normal
  02/16/2026 03 PM PST            3.49             66         +              Normal
  02/16/2026 04 PM PST            3.63             80         +              Normal
  02/16/2026 05 PM PST            3.64             81         +              Normal
  02/16/2026 06 PM PST            3.64             81         0              Normal
  02/16/2026 07 PM PST            3.67             84         +              Normal
  02/16/2026 08 PM PST            3.71             88         +              Normal
  02/16/2026 09 PM PST            3.77             95         +              Normal
  02/16/2026 10 PM PST            3.74             92         -              Normal
  02/16/2026 11 PM PST            3.69             86         -              Normal
  02/17/2026 12 AM PST            3.64             81         -              Normal
  02/17/2026 01 AM PST            3.65             82         +              Normal
  02/17/2026 02 AM PST            3.69             86         +              Normal
  02/17/2026 03 AM PST            3.68             85         -              Normal
  02/17/2026 04 AM PST            3.70             87         +              Normal
  02/17/2026 05 AM PST            3.70             87         0              Normal
  02/17/2026 06 AM PST            3.66             83         -              Normal
  02/17/2026 07 AM PST            3.62             79         -              Normal
  02/17/2026 08 AM PST            3.59             76         -              Normal
  02/17/2026 09 AM PST            3.57             74         -              Normal
  02/17/2026 10 AM PST            3.56             73         -              Normal
  02/17/2026 11 AM PST            3.61             78         +              Normal
  02/17/2026 12 PM PST            3.78             96         +              Normal
  02/17/2026 01 PM PST            4.15            144         +              Normal
  02/17/2026 02 PM PST            4.94            290         +              Normal
  02/17/2026 03 PM PST            6.10            653         +         Minor Flood
  02/17/2026 04 PM PST            6.54            880         +         Minor Flood
  02/17/2026 05 PM PST            6.48            847         -         Minor Flood
  02/17/2026 06 PM PST            6.26            730         -         Minor Flood
  02/17/2026 07 PM PST            6.00            608         -         Minor Flood
  02/17/2026 08 PM PST            5.79            522         -              Normal
  02/17/2026 09 PM PST            5.61            466         -              Normal
  02/17/2026 10 PM PST            5.54            445         -              Normal
  02/17/2026 11 PM PST            5.48            428         -              Normal
  02/18/2026 12 AM PST            5.32            383         -              Normal
  02/18/2026 01 AM PST            5.21            355         -              Normal
  02/18/2026 02 AM PST            5.07            320         -              Normal
  02/18/2026 03 AM PST            4.95            292         -              Normal
  02/18/2026 04 AM PST            4.85            270         -              Normal
  02/18/2026 05 AM PST            4.77            253         -              Normal
  02/18/2026 06 AM PST            4.67            233         -              Normal
  02/18/2026 07 AM PST            4.54            208         -              Normal
  02/18/2026 08 AM PST            4.43            189         -              Normal
  02/18/2026 09 AM PST            4.40            184         -              Normal
  02/18/2026 10 AM PST            4.32            170         -              Normal
  02/18/2026 11 AM PST            4.26            161         -              Normal
  02/18/2026 12 PM PST            4.21            153         -              Normal
  02/18/2026 01 PM PST            4.23            156         +              Normal
  02/18/2026 02 PM PST            4.22            155         -              Normal
  02/18/2026 03 PM PST            4.20            152         -              Normal
  02/18/2026 04 PM PST            4.27            162         +              Normal
  02/18/2026 05 PM PST            4.34            174         +              Normal
  02/18/2026 06 PM PST            4.54            208         +              Normal
  02/18/2026 07 PM PST            4.55            210         +              Normal
  02/18/2026 08 PM PST            4.52            205         -              Normal
  02/18/2026 09 PM PST            4.49            199         -              Normal
  02/18/2026 10 PM PST            4.39            182         -              Normal
  02/18/2026 11 PM PST            4.35            175         -              Normal
  02/19/2026 12 AM PST            4.31            169         -              Normal
  02/19/2026 01 AM PST            4.29            165         -              Normal
  02/19/2026 02 AM PST            4.27            162         -              Normal
  02/19/2026 03 AM PST            4.27            162         0              Normal
  02/19/2026 04 AM PST            4.38            180         +              Normal
  02/19/2026 05 AM PST            4.56            212         +              Normal
  02/19/2026 06 AM PST            4.70            239         +              Normal
  02/19/2026 07 AM PST            4.66            231         -              Normal
  02/19/2026 08 AM PST            4.76            251         +              Normal
  02/19/2026 09 AM PST            5.08            323         +              Normal
  02/19/2026 10 AM PST            5.47            425         +              Normal
  02/19/2026 11 AM PST            5.66            481         +              Normal
  02/19/2026 12 PM PST            5.91            569         +              Normal
  02/19/2026 01 PM PST            5.78            519         -              Normal
  02/19/2026 02 PM PST            5.62            469         -              Normal
  02/19/2026 03 PM PST            5.54            445         -              Normal
  02/19/2026 04 PM PST            5.44            416         -              Normal
  02/19/2026 05 PM PST            5.35            392         -              Normal
  02/19/2026 06 PM PST            5.26            368         -              Normal
  02/19/2026 07 PM PST            5.16            342         -              Normal
  02/19/2026 08 PM PST            5.05            315         -              Normal
  02/19/2026 09 PM PST            4.94            290         -              Normal
  02/19/2026 10 PM PST            4.84            268         -              Normal
  02/19/2026 11 PM PST            4.76            251         -              Normal
  02/20/2026 12 AM PST            4.68            235         -              Normal
  02/20/2026 01 AM PST            4.60            220         -              Normal
  02/20/2026 02 AM PST            4.53            206         -              Normal
  02/20/2026 03 AM PST            4.47            196         -              Normal
  02/20/2026 04 AM PST            4.43            189         -              Normal
  02/20/2026 05 AM PST            4.39            182         -              Normal
  02/20/2026 06 AM PST            4.35            175         -              Normal
  02/20/2026 07 AM PST            4.31            169         -              Normal
  02/20/2026 08 AM PST            4.26            161         -              Normal
  02/20/2026 09 AM PST            4.23            156         -              Normal
  02/20/2026 10 AM PST            4.18            149         -              Normal
  02/20/2026 11 AM PST            4.14            143         -              Normal
  02/20/2026 12 PM PST            4.11            138         -              Normal
  02/20/2026 01 PM PST            4.07            133         -              Normal
  02/20/2026 02 PM PST            4.05            130         -              Normal
  02/20/2026 03 PM PST            4.03            127         -              Normal
  02/20/2026 04 PM PST            4.00            123         -              Normal
  02/20/2026 05 PM PST            3.98            121         -              Normal
  02/20/2026 06 PM PST            3.97            119         -              Normal
  02/20/2026 07 PM PST            3.96            118         -              Normal
  02/20/2026 08 PM PST            3.95            117         -              Normal
  02/20/2026 09 PM PST            3.95            117         0              Normal
  02/20/2026 10 PM PST            3.94            115         -              Normal
  02/20/2026 11 PM PST            3.93            114         -              Normal
  02/21/2026 12 AM PST            3.91            112         -              Normal
  02/21/2026 01 AM PST            3.89            109         -              Normal
  02/21/2026 02 AM PST            3.87            107         -              Normal
  02/21/2026 03 AM PST            3.84            103         -              Normal
  02/21/2026 04 AM PST            3.82            101         -              Normal
  02/21/2026 05 AM PST            3.80             98         -              Normal
  02/21/2026 06 AM PST            3.78             96         -              Normal
  02/21/2026 07 AM PST            3.74             92         -              Normal
  02/21/2026 08 AM PST            3.73             90         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/21/2026 09 AM PST            3.72             89                        Normal
  02/21/2026 10 AM PST            3.71             88         -              Normal
  02/21/2026 11 AM PST            3.72             89         +              Normal
  02/21/2026 12 PM PST            3.77             95         +              Normal
  02/21/2026 01 PM PST            3.79             97         +              Normal
  02/21/2026 02 PM PST            3.80             98         +              Normal
  02/21/2026 03 PM PST            3.81             99         +              Normal
  02/21/2026 04 PM PST            3.84            103         +              Normal
  02/21/2026 05 PM PST            3.92            113         +              Normal
  02/21/2026 06 PM PST            3.98            121         +              Normal
  02/21/2026 07 PM PST            3.99            122         +              Normal
  02/21/2026 08 PM PST            4.01            124         +              Normal
  02/21/2026 09 PM PST            4.02            126         +              Normal
  02/21/2026 10 PM PST            4.01            124         -              Normal
  02/21/2026 11 PM PST            4.00            123         -              Normal
  02/22/2026 12 AM PST            3.98            121         -              Normal
  02/22/2026 01 AM PST            3.98            121         0              Normal
  02/22/2026 02 AM PST            3.97            119         -              Normal
  02/22/2026 03 AM PST            3.97            119         0              Normal
  02/22/2026 04 AM PST            3.96            118         -              Normal
  02/22/2026 05 AM PST            3.94            115         -              Normal
  02/22/2026 06 AM PST            3.92            113         -              Normal
  02/22/2026 07 AM PST            3.91            112         -              Normal
  02/22/2026 08 AM PST            3.90            110         -              Normal
  02/22/2026 09 AM PST            3.89            109         -              Normal
  02/22/2026 10 AM PST            3.88            108         -              Normal
  02/22/2026 11 AM PST            3.89            109         +              Normal
  02/22/2026 12 PM PST            3.89            109         0              Normal
  02/22/2026 01 PM PST            3.89            109         0              Normal
  02/22/2026 02 PM PST            3.88            108         -              Normal
  02/22/2026 03 PM PST            3.89            109         +              Normal
  02/22/2026 04 PM PST            3.89            109         0              Normal
  02/22/2026 05 PM PST            3.90            110         +              Normal
  02/22/2026 06 PM PST            3.91            112         +              Normal
  02/22/2026 07 PM PST            3.92            113         +              Normal
  02/22/2026 08 PM PST            3.92            113         0              Normal
  02/22/2026 09 PM PST            3.92            113         0              Normal
  02/22/2026 10 PM PST            3.91            112         -              Normal
  02/22/2026 11 PM PST            3.90            110         -              Normal
  02/23/2026 12 AM PST            3.90            110         0              Normal
  02/23/2026 01 AM PST            3.89            109         -              Normal
  02/23/2026 02 AM PST            3.88            108         -              Normal
  02/23/2026 03 AM PST            3.87            107         -              Normal
  02/23/2026 04 AM PST            3.86            105         -              Normal
  02/23/2026 05 AM PST            3.85            104         -              Normal
  02/23/2026 06 AM PST            3.85            104         0              Normal
  02/23/2026 07 AM PST            3.83            102         -              Normal
  02/23/2026 08 AM PST            3.82            101         -              Normal
  02/23/2026 09 AM PST            3.81             99         -              Normal
  02/23/2026 10 AM PST            3.80             98         -              Normal
  02/23/2026 11 AM PST            3.79             97         -              Normal
  02/23/2026 12 PM PST            3.78             96         -              Normal
  02/23/2026 01 PM PST            3.78             96         0              Normal
  02/23/2026 02 PM PST            3.77             95         -              Normal
  02/23/2026 03 PM PST            3.76             94         -              Normal
  02/23/2026 04 PM PST            3.75             93         -              Normal
  02/23/2026 05 PM PST            3.75             93         0              Normal
  02/23/2026 06 PM PST            3.75             93         0              Normal
  02/23/2026 07 PM PST            3.74             92         -              Normal
  02/23/2026 08 PM PST            3.74             92         0              Normal
  02/23/2026 09 PM PST            3.73             90         -              Normal
  02/23/2026 10 PM PST            3.72             89         -              Normal
  02/23/2026 11 PM PST            3.72             89         0              Normal
  02/24/2026 12 AM PST            3.71             88         -              Normal
  02/24/2026 01 AM PST            3.71             88         0              Normal
  02/24/2026 02 AM PST            3.70             87         -              Normal
  02/24/2026 03 AM PST            3.70             87         0              Normal
  02/24/2026 04 AM PST            3.70             87         0              Normal
  02/24/2026 05 AM PST            3.69             86         -              Normal
  02/24/2026 06 AM PST            3.69             86         0              Normal
  02/24/2026 07 AM PST            3.69             86         0              Normal
  02/24/2026 08 AM PST            3.69             86         0              Normal
  02/24/2026 09 AM PST            3.69             86         0              Normal
  02/24/2026 10 AM PST            3.68             85         -              Normal
  02/24/2026 11 AM PST            3.68             85         0              Normal
  02/24/2026 12 PM PST            3.68             85         0              Normal
  02/24/2026 01 PM PST            3.69             86         +              Normal
  02/24/2026 02 PM PST            3.70             87         +              Normal
  02/24/2026 03 PM PST            3.73             90         +              Normal
  02/24/2026 04 PM PST            3.78             96         +              Normal
  02/24/2026 05 PM PST            3.83            102         +              Normal
  02/24/2026 06 PM PST            3.87            107         +              Normal
  02/24/2026 07 PM PST            3.91            112         +              Normal
  02/24/2026 08 PM PST            3.94            115         +              Normal
  02/24/2026 09 PM PST            3.97            119         +              Normal
  02/24/2026 10 PM PST            4.00            123         +              Normal
  02/24/2026 11 PM PST            4.05            130         +              Normal
  02/25/2026 12 AM PST            4.12            140         +              Normal
  02/25/2026 01 AM PST            4.19            150         +              Normal
  02/25/2026 02 AM PST            4.25            159         +              Normal
  02/25/2026 03 AM PST            4.30            167         +              Normal
  02/25/2026 04 AM PST            4.33            172         +              Normal
  02/25/2026 05 AM PST            4.34            174         +              Normal
  02/25/2026 06 AM PST            4.33            172         -              Normal
  02/25/2026 07 AM PST            4.32            170         -              Normal
  02/25/2026 08 AM PST            4.31            169         -              Normal
  02/25/2026 09 AM PST            4.30            167         -              Normal
  02/25/2026 10 AM PST            4.29            165         -              Normal
  02/25/2026 11 AM PST            4.28            164         -              Normal
  02/25/2026 12 PM PST            4.25            159         -              Normal
  02/25/2026 01 PM PST            4.23            156         -              Normal
  02/25/2026 02 PM PST            4.21            153         -              Normal
  02/25/2026 03 PM PST            4.19            150         -              Normal
  02/25/2026 04 PM PST            4.17            147         -              Normal
  02/25/2026 05 PM PST            4.15            144         -              Normal
  02/25/2026 06 PM PST            4.13            141         -              Normal
  02/25/2026 07 PM PST            4.11            138         -              Normal
  02/25/2026 08 PM PST            4.09            135         -              Normal
  02/25/2026 09 PM PST            4.08            134         -              Normal
  02/25/2026 10 PM PST            4.06            131         -              Normal
  02/25/2026 11 PM PST            4.04            129         -              Normal
  02/26/2026 12 AM PST            4.02            126         -              Normal
  02/26/2026 01 AM PST            4.00            123         -              Normal
  02/26/2026 02 AM PST            3.99            122         -              Normal
  02/26/2026 03 AM PST            3.97            119         -              Normal
  02/26/2026 04 AM PST            3.96            118         -              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.