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 FeetForecast Type: Unofficial Location
Location: Alameda County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: May 07 2026 at 7:37 AM PDTNext Issuance: May 08 2026 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:  05/07/2026 at 07:38 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/06/2026 at 04:00 PM PDT
# Maximum Observed Stage:                       2.99 Feet
# Maximum Observed Flow:                        33 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/07/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       2.92 Feet
# Maximum Forecast Flow:                        27 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/02/2026 07 AM PDT            2.90             25                        Normal
  05/02/2026 08 AM PDT            2.90             25         0              Normal
  05/02/2026 09 AM PDT            2.89             24         -              Normal
  05/02/2026 10 AM PDT            2.89             24         0              Normal
  05/02/2026 11 AM PDT            2.89             24         0              Normal
  05/02/2026 12 PM PDT            2.89             24         0              Normal
  05/02/2026 01 PM PDT            2.89             24         0              Normal
  05/02/2026 02 PM PDT            2.89             24         0              Normal
  05/02/2026 03 PM PDT            2.89             24         0              Normal
  05/02/2026 04 PM PDT            2.88             24         -              Normal
  05/02/2026 05 PM PDT            2.88             24         0              Normal
  05/02/2026 06 PM PDT            2.88             24         0              Normal
  05/02/2026 07 PM PDT            2.88             24         0              Normal
  05/02/2026 08 PM PDT            2.88             24         0              Normal
  05/02/2026 09 PM PDT            2.88             24         0              Normal
  05/02/2026 10 PM PDT            2.88             24         0              Normal
  05/02/2026 11 PM PDT            2.87             23         -              Normal
  05/03/2026 12 AM PDT            2.87             23         0              Normal
  05/03/2026 01 AM PDT            2.86             22         -              Normal
  05/03/2026 02 AM PDT            2.86             22         0              Normal
  05/03/2026 03 AM PDT            2.86             22         0              Normal
  05/03/2026 04 AM PDT            2.86             22         0              Normal
  05/03/2026 05 AM PDT            2.86             22         0              Normal
  05/03/2026 06 AM PDT            2.86             22         0              Normal
  05/03/2026 07 AM PDT            2.86             22         0              Normal
  05/03/2026 08 AM PDT            2.86             22         0              Normal
  05/03/2026 09 AM PDT            2.86             22         0              Normal
  05/03/2026 10 AM PDT            2.85             21         -              Normal
  05/03/2026 11 AM PDT            2.86             22         +              Normal
  05/03/2026 12 PM PDT            2.86             22         0              Normal
  05/03/2026 01 PM PDT            2.86             22         0              Normal
  05/03/2026 02 PM PDT            2.86             22         0              Normal
  05/03/2026 03 PM PDT            2.85             21         -              Normal
  05/03/2026 04 PM PDT            2.85             21         0              Normal
  05/03/2026 05 PM PDT            2.85             21         0              Normal
  05/03/2026 06 PM PDT            2.85             21         0              Normal
  05/03/2026 07 PM PDT            2.85             21         0              Normal
  05/03/2026 08 PM PDT            2.85             21         0              Normal
  05/03/2026 09 PM PDT            2.85             21         0              Normal
  05/03/2026 10 PM PDT            2.85             21         0              Normal
  05/03/2026 11 PM PDT            2.85             21         0              Normal
  05/04/2026 12 AM PDT            2.85             21         0              Normal
  05/04/2026 01 AM PDT            2.86             22         +              Normal
  05/04/2026 02 AM PDT            2.88             24         +              Normal
  05/04/2026 03 AM PDT            2.92             27         +              Normal
  05/04/2026 04 AM PDT            2.94             28         +              Normal
  05/04/2026 05 AM PDT            2.94             28         0              Normal
  05/04/2026 06 AM PDT            2.94             28         0              Normal
  05/04/2026 07 AM PDT            2.94             28         0              Normal
  05/04/2026 08 AM PDT            2.94             28         0              Normal
  05/04/2026 09 AM PDT            2.94             28         0              Normal
  05/04/2026 10 AM PDT            2.93             28         -              Normal
  05/04/2026 11 AM PDT            2.93             28         0              Normal
  05/04/2026 12 PM PDT            2.93             28         0              Normal
  05/04/2026 01 PM PDT            2.92             27         -              Normal
  05/04/2026 02 PM PDT            2.93             28         +              Normal
  05/04/2026 03 PM PDT            2.94             28         +              Normal
  05/04/2026 04 PM PDT            2.95             29         +              Normal
  05/04/2026 05 PM PDT            2.95             29         0              Normal
  05/04/2026 06 PM PDT            2.94             28         -              Normal
  05/04/2026 07 PM PDT            2.91             26         -              Normal
  05/04/2026 08 PM PDT            2.88             24         -              Normal
  05/04/2026 09 PM PDT            2.86             22         -              Normal
  05/04/2026 10 PM PDT            2.85             21         -              Normal
  05/04/2026 11 PM PDT            2.85             21         0              Normal
  05/05/2026 12 AM PDT            2.85             21         0              Normal
  05/05/2026 01 AM PDT            2.85             21         0              Normal
  05/05/2026 02 AM PDT            2.88             24         +              Normal
  05/05/2026 03 AM PDT            2.91             26         +              Normal
  05/05/2026 04 AM PDT            2.92             27         +              Normal
  05/05/2026 05 AM PDT            2.92             27         0              Normal
  05/05/2026 06 AM PDT            2.92             27         0              Normal
  05/05/2026 07 AM PDT            2.92             27         0              Normal
  05/05/2026 08 AM PDT            2.92             27         0              Normal
  05/05/2026 09 AM PDT            2.92             27         0              Normal
  05/05/2026 10 AM PDT            2.92             27         0              Normal
  05/05/2026 11 AM PDT            2.92             27         0              Normal
  05/05/2026 12 PM PDT            2.93             28         +              Normal
  05/05/2026 01 PM PDT            2.95             29         +              Normal
  05/05/2026 02 PM PDT            2.96             30         +              Normal
  05/05/2026 03 PM PDT            2.96             30         0              Normal
  05/05/2026 04 PM PDT            2.96             30         0              Normal
  05/05/2026 05 PM PDT            2.96             30         0              Normal
  05/05/2026 06 PM PDT            2.95             29         -              Normal
  05/05/2026 07 PM PDT            2.92             27         -              Normal
  05/05/2026 08 PM PDT            2.89             24         -              Normal
  05/05/2026 09 PM PDT            2.88             24         -              Normal
  05/05/2026 10 PM PDT            2.86             22         -              Normal
  05/05/2026 11 PM PDT            2.86             22         0              Normal
  05/06/2026 12 AM PDT            2.86             22         0              Normal
  05/06/2026 01 AM PDT            2.86             22         0              Normal
  05/06/2026 02 AM PDT            2.90             25         +              Normal
  05/06/2026 03 AM PDT            2.93             28         +              Normal
  05/06/2026 04 AM PDT            2.94             28         +              Normal
  05/06/2026 05 AM PDT            2.95             29         +              Normal
  05/06/2026 06 AM PDT            2.95             29         0              Normal
  05/06/2026 07 AM PDT            2.95             29         0              Normal
  05/06/2026 08 AM PDT            2.95             29         0              Normal
  05/06/2026 09 AM PDT            2.95             29         0              Normal
  05/06/2026 10 AM PDT            2.95             29         0              Normal
  05/06/2026 11 AM PDT            2.95             29         0              Normal
  05/06/2026 12 PM PDT            2.96             30         +              Normal
  05/06/2026 01 PM PDT            2.98             32         +              Normal
  05/06/2026 02 PM PDT            2.99             33         +              Normal
  05/06/2026 03 PM PDT            2.99             33         0              Normal
  05/06/2026 04 PM PDT            2.99             33         0              Normal
  05/06/2026 05 PM PDT            2.98             32         -              Normal
  05/06/2026 06 PM PDT            2.96             30         -              Normal
  05/06/2026 07 PM PDT            2.93             28         -              Normal
  05/06/2026 08 PM PDT            2.90             25         -              Normal
  05/06/2026 09 PM PDT            2.89             24         -              Normal
  05/06/2026 10 PM PDT            2.88             24         -              Normal
  05/06/2026 11 PM PDT            2.87             23         -              Normal
  05/07/2026 12 AM PDT            2.87             23         0              Normal
  05/07/2026 01 AM PDT            2.87             23         0              Normal
  05/07/2026 02 AM PDT            2.89             24         +              Normal
  05/07/2026 03 AM PDT            2.93             28         +              Normal
  05/07/2026 04 AM PDT            2.93             28         0              Normal
  05/07/2026 05 AM PDT            2.94             28         +              Normal
  05/07/2026 06 AM PDT            2.93             28         -              Normal
  05/07/2026 07 AM PDT            2.93             28         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/07/2026 08 AM PDT            2.92             27                        Normal
  05/07/2026 09 AM PDT            2.92             27         0              Normal
  05/07/2026 10 AM PDT            2.92             27         0              Normal
  05/07/2026 11 AM PDT            2.92             27         0              Normal
  05/07/2026 12 PM PDT            2.92             27         0              Normal
  05/07/2026 01 PM PDT            2.92             27         0              Normal
  05/07/2026 02 PM PDT            2.92             27         0              Normal
  05/07/2026 03 PM PDT            2.92             27         0              Normal
  05/07/2026 04 PM PDT            2.92             27         0              Normal
  05/07/2026 05 PM PDT            2.91             26         -              Normal
  05/07/2026 06 PM PDT            2.91             26         0              Normal
  05/07/2026 07 PM PDT            2.91             26         0              Normal
  05/07/2026 08 PM PDT            2.91             26         0              Normal
  05/07/2026 09 PM PDT            2.91             26         0              Normal
  05/07/2026 10 PM PDT            2.91             26         0              Normal
  05/07/2026 11 PM PDT            2.91             26         0              Normal
  05/08/2026 12 AM PDT            2.91             26         0              Normal
  05/08/2026 01 AM PDT            2.91             26         0              Normal
  05/08/2026 02 AM PDT            2.91             26         0              Normal
  05/08/2026 03 AM PDT            2.91             26         0              Normal
  05/08/2026 04 AM PDT            2.91             26         0              Normal
  05/08/2026 05 AM PDT            2.91             26         0              Normal
  05/08/2026 06 AM PDT            2.91             26         0              Normal
  05/08/2026 07 AM PDT            2.91             26         0              Normal
  05/08/2026 08 AM PDT            2.91             26         0              Normal
  05/08/2026 09 AM PDT            2.91             26         0              Normal
  05/08/2026 10 AM PDT            2.91             26         0              Normal
  05/08/2026 11 AM PDT            2.91             26         0              Normal
  05/08/2026 12 PM PDT            2.91             26         0              Normal
  05/08/2026 01 PM PDT            2.91             26         0              Normal
  05/08/2026 02 PM PDT            2.90             25         -              Normal
  05/08/2026 03 PM PDT            2.90             25         0              Normal
  05/08/2026 04 PM PDT            2.90             25         0              Normal
  05/08/2026 05 PM PDT            2.90             25         0              Normal
  05/08/2026 06 PM PDT            2.90             25         0              Normal
  05/08/2026 07 PM PDT            2.90             25         0              Normal
  05/08/2026 08 PM PDT            2.90             25         0              Normal
  05/08/2026 09 PM PDT            2.90             25         0              Normal
  05/08/2026 10 PM PDT            2.90             25         0              Normal
  05/08/2026 11 PM PDT            2.90             25         0              Normal
  05/09/2026 12 AM PDT            2.90             25         0              Normal
  05/09/2026 01 AM PDT            2.90             25         0              Normal
  05/09/2026 02 AM PDT            2.90             25         0              Normal
  05/09/2026 03 AM PDT            2.90             25         0              Normal
  05/09/2026 04 AM PDT            2.90             25         0              Normal
  05/09/2026 05 AM PDT            2.90             25         0              Normal
  05/09/2026 06 AM PDT            2.90             25         0              Normal
  05/09/2026 07 AM PDT            2.90             25         0              Normal
  05/09/2026 08 AM PDT            2.90             25         0              Normal
  05/09/2026 09 AM PDT            2.90             25         0              Normal
  05/09/2026 10 AM PDT            2.90             25         0              Normal
  05/09/2026 11 AM PDT            2.90             25         0              Normal
  05/09/2026 12 PM PDT            2.90             25         0              Normal
  05/09/2026 01 PM PDT            2.90             25         0              Normal
  05/09/2026 02 PM PDT            2.90             25         0              Normal
  05/09/2026 03 PM PDT            2.90             25         0              Normal
  05/09/2026 04 PM PDT            2.90             25         0              Normal
  05/09/2026 05 PM PDT            2.90             25         0              Normal
  05/09/2026 06 PM PDT            2.90             25         0              Normal
  05/09/2026 07 PM PDT            2.90             25         0              Normal
  05/09/2026 08 PM PDT            2.90             25         0              Normal
  05/09/2026 09 PM PDT            2.90             25         0              Normal
  05/09/2026 10 PM PDT            2.90             25         0              Normal
  05/09/2026 11 PM PDT            2.90             25         0              Normal
  05/10/2026 12 AM PDT            2.90             25         0              Normal
  05/10/2026 01 AM PDT            2.90             25         0              Normal
  05/10/2026 02 AM PDT            2.90             25         0              Normal
  05/10/2026 03 AM PDT            2.90             25         0              Normal
  05/10/2026 04 AM PDT            2.90             25         0              Normal
  05/10/2026 05 AM PDT            2.90             25         0              Normal
  05/10/2026 06 AM PDT            2.89             24         -              Normal
  05/10/2026 07 AM PDT            2.89             24         0              Normal
  05/10/2026 08 AM PDT            2.89             24         0              Normal
  05/10/2026 09 AM PDT            2.89             24         0              Normal
  05/10/2026 10 AM PDT            2.89             24         0              Normal
  05/10/2026 11 AM PDT            2.89             24         0              Normal
  05/10/2026 12 PM PDT            2.89             24         0              Normal
  05/10/2026 01 PM PDT            2.89             24         0              Normal
  05/10/2026 02 PM PDT            2.89             24         0              Normal
  05/10/2026 03 PM PDT            2.89             24         0              Normal
  05/10/2026 04 PM PDT            2.89             24         0              Normal
  05/10/2026 05 PM PDT            2.89             24         0              Normal
  05/10/2026 06 PM PDT            2.89             24         0              Normal
  05/10/2026 07 PM PDT            2.89             24         0              Normal
  05/10/2026 08 PM PDT            2.89             24         0              Normal
  05/10/2026 09 PM PDT            2.89             24         0              Normal
  05/10/2026 10 PM PDT            2.89             24         0              Normal
  05/10/2026 11 PM PDT            2.89             24         0              Normal
  05/11/2026 12 AM PDT            2.89             24         0              Normal
  05/11/2026 01 AM PDT            2.89             24         0              Normal
  05/11/2026 02 AM PDT            2.89             24         0              Normal
  05/11/2026 03 AM PDT            2.89             24         0              Normal
  05/11/2026 04 AM PDT            2.89             24         0              Normal
  05/11/2026 05 AM PDT            2.89             24         0              Normal
  05/11/2026 06 AM PDT            2.89             24         0              Normal
  05/11/2026 07 AM PDT            2.89             24         0              Normal
  05/11/2026 08 AM PDT            2.89             24         0              Normal
  05/11/2026 09 AM PDT            2.89             24         0              Normal
  05/11/2026 10 AM PDT            2.89             24         0              Normal
  05/11/2026 11 AM PDT            2.89             24         0              Normal
  05/11/2026 12 PM PDT            2.89             24         0              Normal
  05/11/2026 01 PM PDT            2.89             24         0              Normal
  05/11/2026 02 PM PDT            2.89             24         0              Normal
  05/11/2026 03 PM PDT            2.89             24         0              Normal
  05/11/2026 04 PM PDT            2.89             24         0              Normal
  05/11/2026 05 PM PDT            2.89             24         0              Normal
  05/11/2026 06 PM PDT            2.89             24         0              Normal
  05/11/2026 07 PM PDT            2.89             24         0              Normal
  05/11/2026 08 PM PDT            2.89             24         0              Normal
  05/11/2026 09 PM PDT            2.89             24         0              Normal
  05/11/2026 10 PM PDT            2.89             24         0              Normal
  05/11/2026 11 PM PDT            2.89             24         0              Normal
  05/12/2026 12 AM PDT            2.89             24         0              Normal
  05/12/2026 01 AM PDT            2.89             24         0              Normal
  05/12/2026 02 AM PDT            2.89             24         0              Normal
  05/12/2026 03 AM PDT            2.89             24         0              Normal
  05/12/2026 04 AM PDT            2.89             24         0              Normal
  05/12/2026 05 AM PDT            2.89             24         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.