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 - NILES (NILC1)
Latitude: 37.59º NLongitude: 121.96º WElevation: 86 Feet
Location: Alameda County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: Mar 23 2025 at 8:18 AM PDTNext Issuance: Mar 24 2025 at 9:00 AM PDT
Action/Monitor: N/A Minor Flood: 9.0 FeetModerate Flood: 10.5 FeetMajor Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Alameda Creek - Niles (NILC1)
#
# File Generation Time:  03/23/2025 at 08:19 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/18/2025 at 08:00 AM PDT
# Maximum Observed Stage:                       4.32 Feet
# Maximum Observed Flow:                        500 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/23/2025 at 09:00 AM PDT
# Maximum Forecast Stage:                       3.33 Feet
# Maximum Forecast Flow:                        84 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/18/2025 08 AM PDT            4.32            500                        Normal
  03/18/2025 09 AM PDT            4.26            466         -              Normal
  03/18/2025 10 AM PDT            4.21            439         -              Normal
  03/18/2025 11 AM PDT            4.17            417         -              Normal
  03/18/2025 12 PM PDT            4.14            402         -              Normal
  03/18/2025 01 PM PDT            4.11            387         -              Normal
  03/18/2025 02 PM PDT            4.09            377         -              Normal
  03/18/2025 03 PM PDT            4.06            362         -              Normal
  03/18/2025 04 PM PDT            4.08            372         +              Normal
  03/18/2025 05 PM PDT            4.07            367         -              Normal
  03/18/2025 06 PM PDT            4.03            348         -              Normal
  03/18/2025 07 PM PDT            3.99            328         -              Normal
  03/18/2025 08 PM PDT            3.96            314         -              Normal
  03/18/2025 09 PM PDT            3.95            309         -              Normal
  03/18/2025 10 PM PDT            3.93            300         -              Normal
  03/18/2025 11 PM PDT            3.91            291         -              Normal
  03/19/2025 12 AM PDT            3.89            282         -              Normal
  03/19/2025 01 AM PDT            3.88            278         -              Normal
  03/19/2025 02 AM PDT            3.87            274         -              Normal
  03/19/2025 03 AM PDT            3.85            264         -              Normal
  03/19/2025 04 AM PDT            3.84            259         -              Normal
  03/19/2025 05 AM PDT            3.83            254         -              Normal
  03/19/2025 06 AM PDT            3.81            245         -              Normal
  03/19/2025 07 AM PDT            3.81            245         0              Normal
  03/19/2025 08 AM PDT            3.80            240         -              Normal
  03/19/2025 09 AM PDT            3.79            235         -              Normal
  03/19/2025 10 AM PDT            3.78            231         -              Normal
  03/19/2025 11 AM PDT            3.78            231         0              Normal
  03/19/2025 12 PM PDT            3.77            226         -              Normal
  03/19/2025 01 PM PDT            3.76            222         -              Normal
  03/19/2025 02 PM PDT            3.75            218         -              Normal
  03/19/2025 03 PM PDT            3.74            213         -              Normal
  03/19/2025 04 PM PDT            3.74            213         0              Normal
  03/19/2025 05 PM PDT            3.74            213         0              Normal
  03/19/2025 06 PM PDT            3.72            205         -              Normal
  03/19/2025 07 PM PDT            3.72            205         0              Normal
  03/19/2025 08 PM PDT            3.71            201         -              Normal
  03/19/2025 09 PM PDT            3.70            197         -              Normal
  03/19/2025 10 PM PDT            3.69            193         -              Normal
  03/19/2025 11 PM PDT            3.69            193         0              Normal
  03/20/2025 12 AM PDT            3.68            189         -              Normal
  03/20/2025 01 AM PDT            3.68            189         0              Normal
  03/20/2025 02 AM PDT            3.67            185         -              Normal
  03/20/2025 03 AM PDT            3.67            185         0              Normal
  03/20/2025 04 AM PDT            3.66            181         -              Normal
  03/20/2025 05 AM PDT            3.65            177         -              Normal
  03/20/2025 06 AM PDT            3.65            177         0              Normal
  03/20/2025 07 AM PDT            3.64            174         -              Normal
  03/20/2025 08 AM PDT            3.63            170         -              Normal
  03/20/2025 09 AM PDT            3.63            170         0              Normal
  03/20/2025 10 AM PDT            3.62            166         -              Normal
  03/20/2025 11 AM PDT            3.62            166         0              Normal
  03/20/2025 12 PM PDT            3.62            166         0              Normal
  03/20/2025 01 PM PDT            3.61            163         -              Normal
  03/20/2025 02 PM PDT            3.61            163         0              Normal
  03/20/2025 03 PM PDT            3.60            159         -              Normal
  03/20/2025 04 PM PDT            3.60            159         0              Normal
  03/20/2025 05 PM PDT            3.60            159         0              Normal
  03/20/2025 06 PM PDT            3.59            155         -              Normal
  03/20/2025 07 PM PDT            3.58            152         -              Normal
  03/20/2025 08 PM PDT            3.58            152         0              Normal
  03/20/2025 09 PM PDT            3.57            149         -              Normal
  03/20/2025 10 PM PDT            3.57            149         0              Normal
  03/20/2025 11 PM PDT            3.56            145         -              Normal
  03/21/2025 12 AM PDT            3.56            145         0              Normal
  03/21/2025 01 AM PDT            3.55            142         -              Normal
  03/21/2025 02 AM PDT            3.55            142         0              Normal
  03/21/2025 03 AM PDT            3.54            139         -              Normal
  03/21/2025 04 AM PDT            3.54            139         0              Normal
  03/21/2025 05 AM PDT            3.53            135         -              Normal
  03/21/2025 06 AM PDT            3.53            135         0              Normal
  03/21/2025 07 AM PDT            3.52            132         -              Normal
  03/21/2025 08 AM PDT            3.52            132         0              Normal
  03/21/2025 09 AM PDT            3.52            132         0              Normal
  03/21/2025 10 AM PDT            3.52            132         0              Normal
  03/21/2025 11 AM PDT            3.51            129         -              Normal
  03/21/2025 12 PM PDT            3.51            129         0              Normal
  03/21/2025 01 PM PDT            3.51            129         0              Normal
  03/21/2025 02 PM PDT            3.50            126         -              Normal
  03/21/2025 03 PM PDT            3.50            126         0              Normal
  03/21/2025 04 PM PDT            3.49            123         -              Normal
  03/21/2025 05 PM PDT            3.49            123         0              Normal
  03/21/2025 06 PM PDT            3.49            123         0              Normal
  03/21/2025 07 PM PDT            3.48            120         -              Normal
  03/21/2025 08 PM PDT            3.48            120         0              Normal
  03/21/2025 09 PM PDT            3.48            120         0              Normal
  03/21/2025 10 PM PDT            3.47            117         -              Normal
  03/21/2025 11 PM PDT            3.47            117         0              Normal
  03/22/2025 12 AM PDT            3.46            114         -              Normal
  03/22/2025 01 AM PDT            3.46            114         0              Normal
  03/22/2025 02 AM PDT            3.46            114         0              Normal
  03/22/2025 03 AM PDT            3.45            112         -              Normal
  03/22/2025 04 AM PDT            3.43            106         -              Normal
  03/22/2025 05 AM PDT            3.41            101         -              Normal
  03/22/2025 06 AM PDT            3.40             99         -              Normal
  03/22/2025 07 AM PDT            3.40             99         0              Normal
  03/22/2025 08 AM PDT            3.40             99         0              Normal
  03/22/2025 09 AM PDT            3.40             99         0              Normal
  03/22/2025 10 AM PDT            3.39             97         -              Normal
  03/22/2025 11 AM PDT            3.39             97         0              Normal
  03/22/2025 12 PM PDT            3.39             97         0              Normal
  03/22/2025 01 PM PDT            3.39             97         0              Normal
  03/22/2025 02 PM PDT            3.39             97         0              Normal
  03/22/2025 03 PM PDT            3.38             94         -              Normal
  03/22/2025 04 PM PDT            3.38             94         0              Normal
  03/22/2025 05 PM PDT            3.38             94         0              Normal
  03/22/2025 06 PM PDT            3.38             94         0              Normal
  03/22/2025 07 PM PDT            3.37             92         -              Normal
  03/22/2025 08 PM PDT            3.37             92         0              Normal
  03/22/2025 09 PM PDT            3.37             92         0              Normal
  03/22/2025 10 PM PDT            3.36             90         -              Normal
  03/22/2025 11 PM PDT            3.36             90         0              Normal
  03/23/2025 12 AM PDT            3.36             90         0              Normal
  03/23/2025 01 AM PDT            3.35             88         -              Normal
  03/23/2025 02 AM PDT            3.35             88         0              Normal
  03/23/2025 03 AM PDT            3.35             88         0              Normal
  03/23/2025 04 AM PDT            3.35             88         0              Normal
  03/23/2025 05 AM PDT            3.34             86         -              Normal
  03/23/2025 06 AM PDT            3.34             86         0              Normal
  03/23/2025 07 AM PDT            3.34             86         0              Normal
  03/23/2025 08 AM PDT            3.33             84         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/23/2025 09 AM PDT            3.33             84                        Normal
  03/23/2025 10 AM PDT            3.33             84         0              Normal
  03/23/2025 11 AM PDT            3.33             84         0              Normal
  03/23/2025 12 PM PDT            3.33             84         0              Normal
  03/23/2025 01 PM PDT            3.33             84         0              Normal
  03/23/2025 02 PM PDT            3.33             84         0              Normal
  03/23/2025 03 PM PDT            3.32             82         -              Normal
  03/23/2025 04 PM PDT            3.32             82         0              Normal
  03/23/2025 05 PM PDT            3.32             82         0              Normal
  03/23/2025 06 PM PDT            3.32             82         0              Normal
  03/23/2025 07 PM PDT            3.32             82         0              Normal
  03/23/2025 08 PM PDT            3.31             80         -              Normal
  03/23/2025 09 PM PDT            3.31             80         0              Normal
  03/23/2025 10 PM PDT            3.31             80         0              Normal
  03/23/2025 11 PM PDT            3.31             80         0              Normal
  03/24/2025 12 AM PDT            3.30             79         -              Normal
  03/24/2025 01 AM PDT            3.30             79         0              Normal
  03/24/2025 02 AM PDT            3.30             79         0              Normal
  03/24/2025 03 AM PDT            3.30             79         0              Normal
  03/24/2025 04 AM PDT            3.29             77         -              Normal
  03/24/2025 05 AM PDT            3.29             77         0              Normal
  03/24/2025 06 AM PDT            3.29             77         0              Normal
  03/24/2025 07 AM PDT            3.29             77         0              Normal
  03/24/2025 08 AM PDT            3.29             77         0              Normal
  03/24/2025 09 AM PDT            3.28             75         -              Normal
  03/24/2025 10 AM PDT            3.28             75         0              Normal
  03/24/2025 11 AM PDT            3.28             75         0              Normal
  03/24/2025 12 PM PDT            3.28             75         0              Normal
  03/24/2025 01 PM PDT            3.27             73         -              Normal
  03/24/2025 02 PM PDT            3.27             73         0              Normal
  03/24/2025 03 PM PDT            3.27             73         0              Normal
  03/24/2025 04 PM PDT            3.27             73         0              Normal
  03/24/2025 05 PM PDT            3.26             72         -              Normal
  03/24/2025 06 PM PDT            3.26             72         0              Normal
  03/24/2025 07 PM PDT            3.26             72         0              Normal
  03/24/2025 08 PM PDT            3.26             72         0              Normal
  03/24/2025 09 PM PDT            3.25             70         -              Normal
  03/24/2025 10 PM PDT            3.25             70         0              Normal
  03/24/2025 11 PM PDT            3.25             70         0              Normal
  03/25/2025 12 AM PDT            3.25             70         0              Normal
  03/25/2025 01 AM PDT            3.25             70         0              Normal
  03/25/2025 02 AM PDT            3.24             68         -              Normal
  03/25/2025 03 AM PDT            3.24             68         0              Normal
  03/25/2025 04 AM PDT            3.24             68         0              Normal
  03/25/2025 05 AM PDT            3.24             68         0              Normal
  03/25/2025 06 AM PDT            3.23             67         -              Normal
  03/25/2025 07 AM PDT            3.23             67         0              Normal
  03/25/2025 08 AM PDT            3.23             67         0              Normal
  03/25/2025 09 AM PDT            3.23             67         0              Normal
  03/25/2025 10 AM PDT            3.23             67         0              Normal
  03/25/2025 11 AM PDT            3.23             67         0              Normal
  03/25/2025 12 PM PDT            3.22             65         -              Normal
  03/25/2025 01 PM PDT            3.22             65         0              Normal
  03/25/2025 02 PM PDT            3.22             65         0              Normal
  03/25/2025 03 PM PDT            3.22             65         0              Normal
  03/25/2025 04 PM PDT            3.22             65         0              Normal
  03/25/2025 05 PM PDT            3.21             63         -              Normal
  03/25/2025 06 PM PDT            3.21             63         0              Normal
  03/25/2025 07 PM PDT            3.21             63         0              Normal
  03/25/2025 08 PM PDT            3.21             63         0              Normal
  03/25/2025 09 PM PDT            3.21             63         0              Normal
  03/25/2025 10 PM PDT            3.21             63         0              Normal
  03/25/2025 11 PM PDT            3.21             63         0              Normal
  03/26/2025 12 AM PDT            3.20             62         -              Normal
  03/26/2025 01 AM PDT            3.20             62         0              Normal
  03/26/2025 02 AM PDT            3.20             62         0              Normal
  03/26/2025 03 AM PDT            3.20             62         0              Normal
  03/26/2025 04 AM PDT            3.20             62         0              Normal
  03/26/2025 05 AM PDT            3.20             62         0              Normal
  03/26/2025 06 AM PDT            3.19             60         -              Normal
  03/26/2025 07 AM PDT            3.19             60         0              Normal
  03/26/2025 08 AM PDT            3.19             60         0              Normal
  03/26/2025 09 AM PDT            3.19             60         0              Normal
  03/26/2025 10 AM PDT            3.19             60         0              Normal
  03/26/2025 11 AM PDT            3.19             60         0              Normal
  03/26/2025 12 PM PDT            3.19             60         0              Normal
  03/26/2025 01 PM PDT            3.19             60         0              Normal
  03/26/2025 02 PM PDT            3.18             59         -              Normal
  03/26/2025 03 PM PDT            3.18             59         0              Normal
  03/26/2025 04 PM PDT            3.18             59         0              Normal
  03/26/2025 05 PM PDT            3.18             59         0              Normal
  03/26/2025 06 PM PDT            3.18             59         0              Normal
  03/26/2025 07 PM PDT            3.18             59         0              Normal
  03/26/2025 08 PM PDT            3.18             59         0              Normal
  03/26/2025 09 PM PDT            3.18             59         0              Normal
  03/26/2025 10 PM PDT            3.17             57         -              Normal
  03/26/2025 11 PM PDT            3.17             57         0              Normal
  03/27/2025 12 AM PDT            3.17             57         0              Normal
  03/27/2025 01 AM PDT            3.17             57         0              Normal
  03/27/2025 02 AM PDT            3.17             57         0              Normal
  03/27/2025 03 AM PDT            3.17             57         0              Normal
  03/27/2025 04 AM PDT            3.17             57         0              Normal
  03/27/2025 05 AM PDT            3.17             57         0              Normal
  03/27/2025 06 AM PDT            3.17             57         0              Normal
  03/27/2025 07 AM PDT            3.17             57         0              Normal
  03/27/2025 08 AM PDT            3.16             56         -              Normal
  03/27/2025 09 AM PDT            3.16             56         0              Normal
  03/27/2025 10 AM PDT            3.16             56         0              Normal
  03/27/2025 11 AM PDT            3.16             56         0              Normal
  03/27/2025 12 PM PDT            3.16             56         0              Normal
  03/27/2025 01 PM PDT            3.16             56         0              Normal
  03/27/2025 02 PM PDT            3.16             56         0              Normal
  03/27/2025 03 PM PDT            3.16             56         0              Normal
  03/27/2025 04 PM PDT            3.16             56         0              Normal
  03/27/2025 05 PM PDT            3.15             54         -              Normal
  03/27/2025 06 PM PDT            3.15             54         0              Normal
  03/27/2025 07 PM PDT            3.15             54         0              Normal
  03/27/2025 08 PM PDT            3.15             54         0              Normal
  03/27/2025 09 PM PDT            3.15             54         0              Normal
  03/27/2025 10 PM PDT            3.15             54         0              Normal
  03/27/2025 11 PM PDT            3.15             54         0              Normal
  03/28/2025 12 AM PDT            3.15             54         0              Normal
  03/28/2025 01 AM PDT            3.15             54         0              Normal
  03/28/2025 02 AM PDT            3.15             54         0              Normal
  03/28/2025 03 AM PDT            3.15             54         0              Normal
  03/28/2025 04 AM PDT            3.15             54         0              Normal
  03/28/2025 05 AM PDT            3.15             54         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.