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: Jul 14 2025 at 8:22 AM PDTNext Issuance: Jul 15 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:  07/14/2025 at 08:24 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  07/11/2025 at 03:00 PM PDT
# Maximum Observed Stage:                       2.99 Feet
# Maximum Observed Flow:                        31 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/14/2025 at 09:00 AM PDT
# Maximum Forecast Stage:                       2.89 Feet
# Maximum Forecast Flow:                        23 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  07/09/2025 08 AM PDT            2.94             27                        Normal
  07/09/2025 09 AM PDT            2.94             27         0              Normal
  07/09/2025 10 AM PDT            2.95             28         +              Normal
  07/09/2025 11 AM PDT            2.95             28         0              Normal
  07/09/2025 12 PM PDT            2.95             28         0              Normal
  07/09/2025 01 PM PDT            2.95             28         0              Normal
  07/09/2025 02 PM PDT            2.96             28         +              Normal
  07/09/2025 03 PM PDT            2.96             28         0              Normal
  07/09/2025 04 PM PDT            2.95             28         -              Normal
  07/09/2025 05 PM PDT            2.94             27         -              Normal
  07/09/2025 06 PM PDT            2.90             24         -              Normal
  07/09/2025 07 PM PDT            2.85             20         -              Normal
  07/09/2025 08 PM PDT            2.80             17         -              Normal
  07/09/2025 09 PM PDT            2.77             15         -              Normal
  07/09/2025 10 PM PDT            2.74             14         -              Normal
  07/09/2025 11 PM PDT            2.73             13         -              Normal
  07/10/2025 12 AM PDT            2.72             13         -              Normal
  07/10/2025 01 AM PDT            2.72             13         0              Normal
  07/10/2025 02 AM PDT            2.72             13         0              Normal
  07/10/2025 03 AM PDT            2.83             19         +              Normal
  07/10/2025 04 AM PDT            2.92             25         +              Normal
  07/10/2025 05 AM PDT            2.94             27         +              Normal
  07/10/2025 06 AM PDT            2.95             28         +              Normal
  07/10/2025 07 AM PDT            2.95             28         0              Normal
  07/10/2025 08 AM PDT            2.95             28         0              Normal
  07/10/2025 09 AM PDT            2.96             28         +              Normal
  07/10/2025 10 AM PDT            2.96             28         0              Normal
  07/10/2025 11 AM PDT            2.96             28         0              Normal
  07/10/2025 12 PM PDT            2.97             29         +              Normal
  07/10/2025 01 PM PDT            2.98             30         +              Normal
  07/10/2025 02 PM PDT            2.98             30         0              Normal
  07/10/2025 03 PM PDT            2.99             31         +              Normal
  07/10/2025 04 PM PDT            2.98             30         -              Normal
  07/10/2025 05 PM PDT            2.96             28         -              Normal
  07/10/2025 06 PM PDT            2.92             25         -              Normal
  07/10/2025 07 PM PDT            2.86             21         -              Normal
  07/10/2025 08 PM PDT            2.82             18         -              Normal
  07/10/2025 09 PM PDT            2.80             17         -              Normal
  07/10/2025 10 PM PDT            2.78             16         -              Normal
  07/10/2025 11 PM PDT            2.77             15         -              Normal
  07/11/2025 12 AM PDT            2.77             15         0              Normal
  07/11/2025 01 AM PDT            2.79             16         +              Normal
  07/11/2025 02 AM PDT            2.92             25         +              Normal
  07/11/2025 03 AM PDT            2.96             28         +              Normal
  07/11/2025 04 AM PDT            2.97             29         +              Normal
  07/11/2025 05 AM PDT            2.97             29         0              Normal
  07/11/2025 06 AM PDT            2.98             30         +              Normal
  07/11/2025 07 AM PDT            2.98             30         0              Normal
  07/11/2025 08 AM PDT            2.98             30         0              Normal
  07/11/2025 09 AM PDT            2.99             31         +              Normal
  07/11/2025 10 AM PDT            2.99             31         0              Normal
  07/11/2025 11 AM PDT            2.99             31         0              Normal
  07/11/2025 12 PM PDT            2.99             31         0              Normal
  07/11/2025 01 PM PDT            2.99             31         0              Normal
  07/11/2025 02 PM PDT            2.99             31         0              Normal
  07/11/2025 03 PM PDT            2.99             31         0              Normal
  07/11/2025 04 PM PDT            2.97             29         -              Normal
  07/11/2025 05 PM PDT            2.92             25         -              Normal
  07/11/2025 06 PM PDT            2.87             21         -              Normal
  07/11/2025 07 PM PDT            2.83             19         -              Normal
  07/11/2025 08 PM PDT            2.80             17         -              Normal
  07/11/2025 09 PM PDT            2.78             16         -              Normal
  07/11/2025 10 PM PDT            2.77             15         -              Normal
  07/11/2025 11 PM PDT            2.77             15         0              Normal
  07/12/2025 12 AM PDT            2.77             15         0              Normal
  07/12/2025 01 AM PDT            2.76             15         -              Normal
  07/12/2025 02 AM PDT            2.76             15         0              Normal
  07/12/2025 03 AM PDT            2.76             15         0              Normal
  07/12/2025 04 AM PDT            2.76             15         0              Normal
  07/12/2025 05 AM PDT            2.76             15         0              Normal
  07/12/2025 06 AM PDT            2.76             15         0              Normal
  07/12/2025 07 AM PDT            2.77             15         +              Normal
  07/12/2025 08 AM PDT            2.77             15         0              Normal
  07/12/2025 09 AM PDT            2.77             15         0              Normal
  07/12/2025 10 AM PDT            2.78             16         +              Normal
  07/12/2025 11 AM PDT            2.78             16         0              Normal
  07/12/2025 12 PM PDT            2.78             16         0              Normal
  07/12/2025 01 PM PDT            2.79             16         +              Normal
  07/12/2025 02 PM PDT            2.78             16         -              Normal
  07/12/2025 03 PM PDT            2.78             16         0              Normal
  07/12/2025 04 PM PDT            2.79             16         +              Normal
  07/12/2025 05 PM PDT            2.77             15         -              Normal
  07/12/2025 06 PM PDT            2.77             15         0              Normal
  07/12/2025 07 PM PDT            2.76             15         -              Normal
  07/12/2025 08 PM PDT            2.76             15         0              Normal
  07/12/2025 09 PM PDT            2.76             15         0              Normal
  07/12/2025 10 PM PDT            2.75             14         -              Normal
  07/12/2025 11 PM PDT            2.75             14         0              Normal
  07/13/2025 12 AM PDT            2.75             14         0              Normal
  07/13/2025 01 AM PDT            2.75             14         0              Normal
  07/13/2025 02 AM PDT            2.75             14         0              Normal
  07/13/2025 03 AM PDT            2.76             15         +              Normal
  07/13/2025 04 AM PDT            2.76             15         0              Normal
  07/13/2025 05 AM PDT            2.77             15         +              Normal
  07/13/2025 06 AM PDT            2.77             15         0              Normal
  07/13/2025 07 AM PDT            2.77             15         0              Normal
  07/13/2025 08 AM PDT            2.77             15         0              Normal
  07/13/2025 09 AM PDT            2.78             16         +              Normal
  07/13/2025 10 AM PDT            2.78             16         0              Normal
  07/13/2025 11 AM PDT            2.78             16         0              Normal
  07/13/2025 12 PM PDT            2.79             16         +              Normal
  07/13/2025 01 PM PDT            2.78             16         -              Normal
  07/13/2025 02 PM PDT            2.78             16         0              Normal
  07/13/2025 03 PM PDT            2.80             17         +              Normal
  07/13/2025 04 PM PDT            2.79             16         -              Normal
  07/13/2025 05 PM PDT            2.76             15         -              Normal
  07/13/2025 06 PM PDT            2.76             15         0              Normal
  07/13/2025 07 PM PDT            2.76             15         0              Normal
  07/13/2025 08 PM PDT            2.75             14         -              Normal
  07/13/2025 09 PM PDT            2.75             14         0              Normal
  07/13/2025 10 PM PDT            2.75             14         0              Normal
  07/13/2025 11 PM PDT            2.75             14         0              Normal
  07/14/2025 12 AM PDT            2.75             14         0              Normal
  07/14/2025 01 AM PDT            2.75             14         0              Normal
  07/14/2025 02 AM PDT            2.75             14         0              Normal
  07/14/2025 03 AM PDT            2.88             22         +              Normal
  07/14/2025 04 AM PDT            2.94             27         +              Normal
  07/14/2025 05 AM PDT            2.96             28         +              Normal
  07/14/2025 06 AM PDT            2.96             28         0              Normal
  07/14/2025 07 AM PDT            2.96             28         0              Normal
  07/14/2025 08 AM PDT            2.93             26         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/14/2025 09 AM PDT            2.89             23                        Normal
  07/14/2025 10 AM PDT            2.85             20         -              Normal
  07/14/2025 11 AM PDT            2.85             20         0              Normal
  07/14/2025 12 PM PDT            2.85             20         0              Normal
  07/14/2025 01 PM PDT            2.86             21         +              Normal
  07/14/2025 02 PM PDT            2.86             21         0              Normal
  07/14/2025 03 PM PDT            2.86             21         0              Normal
  07/14/2025 04 PM PDT            2.86             21         0              Normal
  07/14/2025 05 PM PDT            2.86             21         0              Normal
  07/14/2025 06 PM PDT            2.86             21         0              Normal
  07/14/2025 07 PM PDT            2.87             21         +              Normal
  07/14/2025 08 PM PDT            2.87             21         0              Normal
  07/14/2025 09 PM PDT            2.87             21         0              Normal
  07/14/2025 10 PM PDT            2.87             21         0              Normal
  07/14/2025 11 PM PDT            2.87             21         0              Normal
  07/15/2025 12 AM PDT            2.87             21         0              Normal
  07/15/2025 01 AM PDT            2.87             21         0              Normal
  07/15/2025 02 AM PDT            2.87             21         0              Normal
  07/15/2025 03 AM PDT            2.87             21         0              Normal
  07/15/2025 04 AM PDT            2.87             21         0              Normal
  07/15/2025 05 AM PDT            2.87             21         0              Normal
  07/15/2025 06 AM PDT            2.87             21         0              Normal
  07/15/2025 07 AM PDT            2.87             21         0              Normal
  07/15/2025 08 AM PDT            2.87             21         0              Normal
  07/15/2025 09 AM PDT            2.87             21         0              Normal
  07/15/2025 10 AM PDT            2.87             21         0              Normal
  07/15/2025 11 AM PDT            2.87             21         0              Normal
  07/15/2025 12 PM PDT            2.87             21         0              Normal
  07/15/2025 01 PM PDT            2.87             21         0              Normal
  07/15/2025 02 PM PDT            2.87             21         0              Normal
  07/15/2025 03 PM PDT            2.87             21         0              Normal
  07/15/2025 04 PM PDT            2.87             21         0              Normal
  07/15/2025 05 PM PDT            2.87             21         0              Normal
  07/15/2025 06 PM PDT            2.87             21         0              Normal
  07/15/2025 07 PM PDT            2.87             21         0              Normal
  07/15/2025 08 PM PDT            2.87             21         0              Normal
  07/15/2025 09 PM PDT            2.87             21         0              Normal
  07/15/2025 10 PM PDT            2.87             21         0              Normal
  07/15/2025 11 PM PDT            2.87             21         0              Normal
  07/16/2025 12 AM PDT            2.87             21         0              Normal
  07/16/2025 01 AM PDT            2.87             21         0              Normal
  07/16/2025 02 AM PDT            2.87             21         0              Normal
  07/16/2025 03 AM PDT            2.87             21         0              Normal
  07/16/2025 04 AM PDT            2.87             21         0              Normal
  07/16/2025 05 AM PDT            2.87             21         0              Normal
  07/16/2025 06 AM PDT            2.87             21         0              Normal
  07/16/2025 07 AM PDT            2.87             21         0              Normal
  07/16/2025 08 AM PDT            2.87             21         0              Normal
  07/16/2025 09 AM PDT            2.87             21         0              Normal
  07/16/2025 10 AM PDT            2.87             21         0              Normal
  07/16/2025 11 AM PDT            2.87             21         0              Normal
  07/16/2025 12 PM PDT            2.87             21         0              Normal
  07/16/2025 01 PM PDT            2.87             21         0              Normal
  07/16/2025 02 PM PDT            2.87             21         0              Normal
  07/16/2025 03 PM PDT            2.87             21         0              Normal
  07/16/2025 04 PM PDT            2.87             21         0              Normal
  07/16/2025 05 PM PDT            2.87             21         0              Normal
  07/16/2025 06 PM PDT            2.87             21         0              Normal
  07/16/2025 07 PM PDT            2.87             21         0              Normal
  07/16/2025 08 PM PDT            2.87             21         0              Normal
  07/16/2025 09 PM PDT            2.87             21         0              Normal
  07/16/2025 10 PM PDT            2.87             21         0              Normal
  07/16/2025 11 PM PDT            2.87             21         0              Normal
  07/17/2025 12 AM PDT            2.87             21         0              Normal
  07/17/2025 01 AM PDT            2.87             21         0              Normal
  07/17/2025 02 AM PDT            2.87             21         0              Normal
  07/17/2025 03 AM PDT            2.87             21         0              Normal
  07/17/2025 04 AM PDT            2.87             21         0              Normal
  07/17/2025 05 AM PDT            2.87             21         0              Normal
  07/17/2025 06 AM PDT            2.87             21         0              Normal
  07/17/2025 07 AM PDT            2.87             21         0              Normal
  07/17/2025 08 AM PDT            2.87             21         0              Normal
  07/17/2025 09 AM PDT            2.87             21         0              Normal
  07/17/2025 10 AM PDT            2.87             21         0              Normal
  07/17/2025 11 AM PDT            2.87             21         0              Normal
  07/17/2025 12 PM PDT            2.87             21         0              Normal
  07/17/2025 01 PM PDT            2.86             21         -              Normal
  07/17/2025 02 PM PDT            2.86             21         0              Normal
  07/17/2025 03 PM PDT            2.86             21         0              Normal
  07/17/2025 04 PM PDT            2.86             21         0              Normal
  07/17/2025 05 PM PDT            2.86             21         0              Normal
  07/17/2025 06 PM PDT            2.86             21         0              Normal
  07/17/2025 07 PM PDT            2.86             21         0              Normal
  07/17/2025 08 PM PDT            2.86             21         0              Normal
  07/17/2025 09 PM PDT            2.86             21         0              Normal
  07/17/2025 10 PM PDT            2.86             21         0              Normal
  07/17/2025 11 PM PDT            2.86             21         0              Normal
  07/18/2025 12 AM PDT            2.86             21         0              Normal
  07/18/2025 01 AM PDT            2.86             21         0              Normal
  07/18/2025 02 AM PDT            2.86             21         0              Normal
  07/18/2025 03 AM PDT            2.86             21         0              Normal
  07/18/2025 04 AM PDT            2.86             21         0              Normal
  07/18/2025 05 AM PDT            2.86             21         0              Normal
  07/18/2025 06 AM PDT            2.86             21         0              Normal
  07/18/2025 07 AM PDT            2.86             21         0              Normal
  07/18/2025 08 AM PDT            2.86             21         0              Normal
  07/18/2025 09 AM PDT            2.86             21         0              Normal
  07/18/2025 10 AM PDT            2.86             21         0              Normal
  07/18/2025 11 AM PDT            2.86             21         0              Normal
  07/18/2025 12 PM PDT            2.86             21         0              Normal
  07/18/2025 01 PM PDT            2.86             21         0              Normal
  07/18/2025 02 PM PDT            2.86             21         0              Normal
  07/18/2025 03 PM PDT            2.86             21         0              Normal
  07/18/2025 04 PM PDT            2.86             21         0              Normal
  07/18/2025 05 PM PDT            2.86             21         0              Normal
  07/18/2025 06 PM PDT            2.86             21         0              Normal
  07/18/2025 07 PM PDT            2.86             21         0              Normal
  07/18/2025 08 PM PDT            2.86             21         0              Normal
  07/18/2025 09 PM PDT            2.86             21         0              Normal
  07/18/2025 10 PM PDT            2.86             21         0              Normal
  07/18/2025 11 PM PDT            2.86             21         0              Normal
  07/19/2025 12 AM PDT            2.86             21         0              Normal
  07/19/2025 01 AM PDT            2.86             21         0              Normal
  07/19/2025 02 AM PDT            2.86             21         0              Normal
  07/19/2025 03 AM PDT            2.86             21         0              Normal
  07/19/2025 04 AM PDT            2.86             21         0              Normal
  07/19/2025 05 AM PDT            2.86             21         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.