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

*** IMPORTANT ***  Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.
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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: Jun 16 2025 at 6:35 AM PDTNext Issuance: Jun 17 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:  06/16/2025 at 06:36 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/13/2025 at 04:00 PM PDT
# Maximum Observed Stage:                       2.99 Feet
# Maximum Observed Flow:                        31 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/16/2025 at 07:00 AM PDT
# Maximum Forecast Stage:                       2.90 Feet
# Maximum Forecast Flow:                        24 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/11/2025 06 AM PDT            2.90             24                        Normal
  06/11/2025 07 AM PDT            2.91             24         +              Normal
  06/11/2025 08 AM PDT            2.91             24         0              Normal
  06/11/2025 09 AM PDT            2.92             25         +              Normal
  06/11/2025 10 AM PDT            2.92             25         0              Normal
  06/11/2025 11 AM PDT            2.93             26         +              Normal
  06/11/2025 12 PM PDT            2.91             24         -              Normal
  06/11/2025 01 PM PDT            2.89             23         -              Normal
  06/11/2025 02 PM PDT            2.87             21         -              Normal
  06/11/2025 03 PM PDT            2.87             21         0              Normal
  06/11/2025 04 PM PDT            2.87             21         0              Normal
  06/11/2025 05 PM PDT            2.86             21         -              Normal
  06/11/2025 06 PM PDT            2.85             20         -              Normal
  06/11/2025 07 PM PDT            2.83             19         -              Normal
  06/11/2025 08 PM PDT            2.80             17         -              Normal
  06/11/2025 09 PM PDT            2.78             16         -              Normal
  06/11/2025 10 PM PDT            2.76             15         -              Normal
  06/11/2025 11 PM PDT            2.75             14         -              Normal
  06/12/2025 12 AM PDT            2.74             14         -              Normal
  06/12/2025 01 AM PDT            2.74             14         0              Normal
  06/12/2025 02 AM PDT            2.73             13         -              Normal
  06/12/2025 03 AM PDT            2.77             15         +              Normal
  06/12/2025 04 AM PDT            2.87             21         +              Normal
  06/12/2025 05 AM PDT            2.90             24         +              Normal
  06/12/2025 06 AM PDT            2.91             24         +              Normal
  06/12/2025 07 AM PDT            2.92             25         +              Normal
  06/12/2025 08 AM PDT            2.92             25         0              Normal
  06/12/2025 09 AM PDT            2.93             26         +              Normal
  06/12/2025 10 AM PDT            2.93             26         0              Normal
  06/12/2025 11 AM PDT            2.93             26         0              Normal
  06/12/2025 12 PM PDT            2.94             27         +              Normal
  06/12/2025 01 PM PDT            2.94             27         0              Normal
  06/12/2025 02 PM PDT            2.95             28         +              Normal
  06/12/2025 03 PM PDT            2.95             28         0              Normal
  06/12/2025 04 PM PDT            2.95             28         0              Normal
  06/12/2025 05 PM PDT            2.94             27         -              Normal
  06/12/2025 06 PM PDT            2.93             26         -              Normal
  06/12/2025 07 PM PDT            2.88             22         -              Normal
  06/12/2025 08 PM PDT            2.84             19         -              Normal
  06/12/2025 09 PM PDT            2.82             18         -              Normal
  06/12/2025 10 PM PDT            2.80             17         -              Normal
  06/12/2025 11 PM PDT            2.79             16         -              Normal
  06/13/2025 12 AM PDT            2.77             15         -              Normal
  06/13/2025 01 AM PDT            2.77             15         0              Normal
  06/13/2025 02 AM PDT            2.76             15         -              Normal
  06/13/2025 03 AM PDT            2.76             15         0              Normal
  06/13/2025 04 AM PDT            2.76             15         0              Normal
  06/13/2025 05 AM PDT            2.85             20         +              Normal
  06/13/2025 06 AM PDT            2.95             28         +              Normal
  06/13/2025 07 AM PDT            2.96             28         +              Normal
  06/13/2025 08 AM PDT            2.97             29         +              Normal
  06/13/2025 09 AM PDT            2.97             29         0              Normal
  06/13/2025 10 AM PDT            2.97             29         0              Normal
  06/13/2025 11 AM PDT            2.98             30         +              Normal
  06/13/2025 12 PM PDT            2.98             30         0              Normal
  06/13/2025 01 PM PDT            2.99             31         +              Normal
  06/13/2025 02 PM PDT            2.99             31         0              Normal
  06/13/2025 03 PM PDT            2.98             30         -              Normal
  06/13/2025 04 PM PDT            2.99             31         +              Normal
  06/13/2025 05 PM PDT            2.97             29         -              Normal
  06/13/2025 06 PM PDT            2.93             26         -              Normal
  06/13/2025 07 PM PDT            2.88             22         -              Normal
  06/13/2025 08 PM PDT            2.84             19         -              Normal
  06/13/2025 09 PM PDT            2.82             18         -              Normal
  06/13/2025 10 PM PDT            2.80             17         -              Normal
  06/13/2025 11 PM PDT            2.79             16         -              Normal
  06/14/2025 12 AM PDT            2.78             16         -              Normal
  06/14/2025 01 AM PDT            2.77             15         -              Normal
  06/14/2025 02 AM PDT            2.77             15         0              Normal
  06/14/2025 03 AM PDT            2.77             15         0              Normal
  06/14/2025 04 AM PDT            2.77             15         0              Normal
  06/14/2025 05 AM PDT            2.76             15         -              Normal
  06/14/2025 06 AM PDT            2.76             15         0              Normal
  06/14/2025 07 AM PDT            2.77             15         +              Normal
  06/14/2025 08 AM PDT            2.76             15         -              Normal
  06/14/2025 09 AM PDT            2.77             15         +              Normal
  06/14/2025 10 AM PDT            2.77             15         0              Normal
  06/14/2025 11 AM PDT            2.77             15         0              Normal
  06/14/2025 12 PM PDT            2.77             15         0              Normal
  06/14/2025 01 PM PDT            2.78             16         +              Normal
  06/14/2025 02 PM PDT            2.78             16         0              Normal
  06/14/2025 03 PM PDT            2.78             16         0              Normal
  06/14/2025 04 PM PDT            2.81             18         +              Normal
  06/14/2025 05 PM PDT            2.81             18         0              Normal
  06/14/2025 06 PM PDT            2.80             17         -              Normal
  06/14/2025 07 PM PDT            2.80             17         0              Normal
  06/14/2025 08 PM PDT            2.80             17         0              Normal
  06/14/2025 09 PM PDT            2.79             16         -              Normal
  06/14/2025 10 PM PDT            2.79             16         0              Normal
  06/14/2025 11 PM PDT            2.79             16         0              Normal
  06/15/2025 12 AM PDT            2.79             16         0              Normal
  06/15/2025 01 AM PDT            2.79             16         0              Normal
  06/15/2025 02 AM PDT            2.78             16         -              Normal
  06/15/2025 03 AM PDT            2.78             16         0              Normal
  06/15/2025 04 AM PDT            2.78             16         0              Normal
  06/15/2025 05 AM PDT            2.78             16         0              Normal
  06/15/2025 06 AM PDT            2.78             16         0              Normal
  06/15/2025 07 AM PDT            2.79             16         +              Normal
  06/15/2025 08 AM PDT            2.79             16         0              Normal
  06/15/2025 09 AM PDT            2.79             16         0              Normal
  06/15/2025 10 AM PDT            2.79             16         0              Normal
  06/15/2025 11 AM PDT            2.79             16         0              Normal
  06/15/2025 12 PM PDT            2.79             16         0              Normal
  06/15/2025 01 PM PDT            2.79             16         0              Normal
  06/15/2025 02 PM PDT            2.78             16         -              Normal
  06/15/2025 03 PM PDT            2.77             15         -              Normal
  06/15/2025 04 PM PDT            2.77             15         0              Normal
  06/15/2025 05 PM PDT            2.79             16         +              Normal
  06/15/2025 06 PM PDT            2.76             15         -              Normal
  06/15/2025 07 PM PDT            2.75             14         -              Normal
  06/15/2025 08 PM PDT            2.74             14         -              Normal
  06/15/2025 09 PM PDT            2.74             14         0              Normal
  06/15/2025 10 PM PDT            2.74             14         0              Normal
  06/15/2025 11 PM PDT            2.74             14         0              Normal
  06/16/2025 12 AM PDT            2.73             13         -              Normal
  06/16/2025 01 AM PDT            2.73             13         0              Normal
  06/16/2025 02 AM PDT            2.73             13         0              Normal
  06/16/2025 03 AM PDT            2.73             13         0              Normal
  06/16/2025 04 AM PDT            2.73             13         0              Normal
  06/16/2025 05 AM PDT            2.79             16         +              Normal
  06/16/2025 06 AM PDT            2.85             20         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/16/2025 07 AM PDT            2.90             24                        Normal
  06/16/2025 08 AM PDT            2.90             24         0              Normal
  06/16/2025 09 AM PDT            2.90             24         0              Normal
  06/16/2025 10 AM PDT            2.90             24         0              Normal
  06/16/2025 11 AM PDT            2.90             24         0              Normal
  06/16/2025 12 PM PDT            2.89             23         -              Normal
  06/16/2025 01 PM PDT            2.89             23         0              Normal
  06/16/2025 02 PM PDT            2.89             23         0              Normal
  06/16/2025 03 PM PDT            2.89             23         0              Normal
  06/16/2025 04 PM PDT            2.89             23         0              Normal
  06/16/2025 05 PM PDT            2.89             23         0              Normal
  06/16/2025 06 PM PDT            2.89             23         0              Normal
  06/16/2025 07 PM PDT            2.89             23         0              Normal
  06/16/2025 08 PM PDT            2.89             23         0              Normal
  06/16/2025 09 PM PDT            2.89             23         0              Normal
  06/16/2025 10 PM PDT            2.89             23         0              Normal
  06/16/2025 11 PM PDT            2.89             23         0              Normal
  06/17/2025 12 AM PDT            2.89             23         0              Normal
  06/17/2025 01 AM PDT            2.89             23         0              Normal
  06/17/2025 02 AM PDT            2.89             23         0              Normal
  06/17/2025 03 AM PDT            2.89             23         0              Normal
  06/17/2025 04 AM PDT            2.89             23         0              Normal
  06/17/2025 05 AM PDT            2.89             23         0              Normal
  06/17/2025 06 AM PDT            2.89             23         0              Normal
  06/17/2025 07 AM PDT            2.89             23         0              Normal
  06/17/2025 08 AM PDT            2.89             23         0              Normal
  06/17/2025 09 AM PDT            2.89             23         0              Normal
  06/17/2025 10 AM PDT            2.89             23         0              Normal
  06/17/2025 11 AM PDT            2.89             23         0              Normal
  06/17/2025 12 PM PDT            2.89             23         0              Normal
  06/17/2025 01 PM PDT            2.89             23         0              Normal
  06/17/2025 02 PM PDT            2.89             23         0              Normal
  06/17/2025 03 PM PDT            2.89             23         0              Normal
  06/17/2025 04 PM PDT            2.89             23         0              Normal
  06/17/2025 05 PM PDT            2.89             23         0              Normal
  06/17/2025 06 PM PDT            2.89             23         0              Normal
  06/17/2025 07 PM PDT            2.89             23         0              Normal
  06/17/2025 08 PM PDT            2.89             23         0              Normal
  06/17/2025 09 PM PDT            2.89             23         0              Normal
  06/17/2025 10 PM PDT            2.89             23         0              Normal
  06/17/2025 11 PM PDT            2.89             23         0              Normal
  06/18/2025 12 AM PDT            2.89             23         0              Normal
  06/18/2025 01 AM PDT            2.89             23         0              Normal
  06/18/2025 02 AM PDT            2.89             23         0              Normal
  06/18/2025 03 AM PDT            2.89             23         0              Normal
  06/18/2025 04 AM PDT            2.89             23         0              Normal
  06/18/2025 05 AM PDT            2.89             23         0              Normal
  06/18/2025 06 AM PDT            2.89             23         0              Normal
  06/18/2025 07 AM PDT            2.89             23         0              Normal
  06/18/2025 08 AM PDT            2.89             23         0              Normal
  06/18/2025 09 AM PDT            2.89             23         0              Normal
  06/18/2025 10 AM PDT            2.89             23         0              Normal
  06/18/2025 11 AM PDT            2.89             23         0              Normal
  06/18/2025 12 PM PDT            2.89             23         0              Normal
  06/18/2025 01 PM PDT            2.89             23         0              Normal
  06/18/2025 02 PM PDT            2.89             23         0              Normal
  06/18/2025 03 PM PDT            2.89             23         0              Normal
  06/18/2025 04 PM PDT            2.89             23         0              Normal
  06/18/2025 05 PM PDT            2.89             23         0              Normal
  06/18/2025 06 PM PDT            2.89             23         0              Normal
  06/18/2025 07 PM PDT            2.89             23         0              Normal
  06/18/2025 08 PM PDT            2.89             23         0              Normal
  06/18/2025 09 PM PDT            2.89             23         0              Normal
  06/18/2025 10 PM PDT            2.89             23         0              Normal
  06/18/2025 11 PM PDT            2.89             23         0              Normal
  06/19/2025 12 AM PDT            2.89             23         0              Normal
  06/19/2025 01 AM PDT            2.89             23         0              Normal
  06/19/2025 02 AM PDT            2.89             23         0              Normal
  06/19/2025 03 AM PDT            2.89             23         0              Normal
  06/19/2025 04 AM PDT            2.89             23         0              Normal
  06/19/2025 05 AM PDT            2.89             23         0              Normal
  06/19/2025 06 AM PDT            2.89             23         0              Normal
  06/19/2025 07 AM PDT            2.89             23         0              Normal
  06/19/2025 08 AM PDT            2.89             23         0              Normal
  06/19/2025 09 AM PDT            2.89             23         0              Normal
  06/19/2025 10 AM PDT            2.89             23         0              Normal
  06/19/2025 11 AM PDT            2.89             23         0              Normal
  06/19/2025 12 PM PDT            2.89             23         0              Normal
  06/19/2025 01 PM PDT            2.89             23         0              Normal
  06/19/2025 02 PM PDT            2.89             23         0              Normal
  06/19/2025 03 PM PDT            2.89             23         0              Normal
  06/19/2025 04 PM PDT            2.89             23         0              Normal
  06/19/2025 05 PM PDT            2.89             23         0              Normal
  06/19/2025 06 PM PDT            2.89             23         0              Normal
  06/19/2025 07 PM PDT            2.89             23         0              Normal
  06/19/2025 08 PM PDT            2.89             23         0              Normal
  06/19/2025 09 PM PDT            2.89             23         0              Normal
  06/19/2025 10 PM PDT            2.89             23         0              Normal
  06/19/2025 11 PM PDT            2.89             23         0              Normal
  06/20/2025 12 AM PDT            2.89             23         0              Normal
  06/20/2025 01 AM PDT            2.89             23         0              Normal
  06/20/2025 02 AM PDT            2.89             23         0              Normal
  06/20/2025 03 AM PDT            2.89             23         0              Normal
  06/20/2025 04 AM PDT            2.89             23         0              Normal
  06/20/2025 05 AM PDT            2.89             23         0              Normal
  06/20/2025 06 AM PDT            2.89             23         0              Normal
  06/20/2025 07 AM PDT            2.89             23         0              Normal
  06/20/2025 08 AM PDT            2.89             23         0              Normal
  06/20/2025 09 AM PDT            2.89             23         0              Normal
  06/20/2025 10 AM PDT            2.89             23         0              Normal
  06/20/2025 11 AM PDT            2.89             23         0              Normal
  06/20/2025 12 PM PDT            2.89             23         0              Normal
  06/20/2025 01 PM PDT            2.89             23         0              Normal
  06/20/2025 02 PM PDT            2.89             23         0              Normal
  06/20/2025 03 PM PDT            2.88             22         -              Normal
  06/20/2025 04 PM PDT            2.88             22         0              Normal
  06/20/2025 05 PM PDT            2.88             22         0              Normal
  06/20/2025 06 PM PDT            2.88             22         0              Normal
  06/20/2025 07 PM PDT            2.88             22         0              Normal
  06/20/2025 08 PM PDT            2.88             22         0              Normal
  06/20/2025 09 PM PDT            2.88             22         0              Normal
  06/20/2025 10 PM PDT            2.88             22         0              Normal
  06/20/2025 11 PM PDT            2.88             22         0              Normal
  06/21/2025 12 AM PDT            2.88             22         0              Normal
  06/21/2025 01 AM PDT            2.88             22         0              Normal
  06/21/2025 02 AM PDT            2.88             22         0              Normal
  06/21/2025 03 AM PDT            2.88             22         0              Normal
  06/21/2025 04 AM PDT            2.88             22         0              Normal
  06/21/2025 05 AM PDT            2.88             22         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.