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 - SUNOL (AWEC1)
Latitude: 37.54º NLongitude: 121.86º WElevation: 300 FeetForecast Type: Unofficial Location
Location: Alameda County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: Feb 27 2026 at 1:43 PM PSTNext Issuance: Feb 28 2026 at 9:00 AM PST
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Alameda Creek - Sunol (AWEC1)
#
# File Generation Time:  02/27/2026 at 01:44 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/22/2026 at 02:00 PM PST
# Maximum Observed Stage:                       12.27 Feet
# Maximum Observed Flow:                        101 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/27/2026 at 02:00 PM PST
# Maximum Forecast Stage:                       11.90 Feet
# Maximum Forecast Flow:                        44 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/22/2026 01 PM PST           12.27            101                Not Applicable
  02/22/2026 02 PM PST           12.27            101         0      Not Applicable
  02/22/2026 03 PM PST           12.25             97         -      Not Applicable
  02/22/2026 04 PM PST           12.26             99         +      Not Applicable
  02/22/2026 05 PM PST           12.24             95         -      Not Applicable
  02/22/2026 06 PM PST           12.24             95         0      Not Applicable
  02/22/2026 07 PM PST           12.23             93         -      Not Applicable
  02/22/2026 08 PM PST           12.24             95         +      Not Applicable
  02/22/2026 09 PM PST           12.22             92         -      Not Applicable
  02/22/2026 10 PM PST           12.23             93         +      Not Applicable
  02/22/2026 11 PM PST           12.23             93         0      Not Applicable
  02/23/2026 12 AM PST           12.23             93         0      Not Applicable
  02/23/2026 01 AM PST           12.23             93         0      Not Applicable
  02/23/2026 02 AM PST           12.24             95         +      Not Applicable
  02/23/2026 03 AM PST           12.25             97         +      Not Applicable
  02/23/2026 04 AM PST           12.24             95         -      Not Applicable
  02/23/2026 05 AM PST           12.23             93         -      Not Applicable
  02/23/2026 06 AM PST           12.23             93         0      Not Applicable
  02/23/2026 07 AM PST           12.23             93         0      Not Applicable
  02/23/2026 08 AM PST           12.22             92         -      Not Applicable
  02/23/2026 09 AM PST           12.22             92         0      Not Applicable
  02/23/2026 10 AM PST           12.21             90         -      Not Applicable
  02/23/2026 11 AM PST           12.21             90         0      Not Applicable
  02/23/2026 12 PM PST           12.21             90         0      Not Applicable
  02/23/2026 01 PM PST           12.19             86         -      Not Applicable
  02/23/2026 02 PM PST           12.18             85         -      Not Applicable
  02/23/2026 03 PM PST           12.19             86         +      Not Applicable
  02/23/2026 04 PM PST           12.19             86         0      Not Applicable
  02/23/2026 05 PM PST           12.17             83         -      Not Applicable
  02/23/2026 06 PM PST           12.18             85         +      Not Applicable
  02/23/2026 07 PM PST           12.17             83         -      Not Applicable
  02/23/2026 08 PM PST           12.16             81         -      Not Applicable
  02/23/2026 09 PM PST           12.17             83         +      Not Applicable
  02/23/2026 10 PM PST           12.16             81         -      Not Applicable
  02/23/2026 11 PM PST           12.16             81         0      Not Applicable
  02/24/2026 12 AM PST           12.16             81         0      Not Applicable
  02/24/2026 01 AM PST           12.15             80         -      Not Applicable
  02/24/2026 02 AM PST           12.15             80         0      Not Applicable
  02/24/2026 03 AM PST           12.14             78         -      Not Applicable
  02/24/2026 04 AM PST           12.14             78         0      Not Applicable
  02/24/2026 05 AM PST           12.14             78         0      Not Applicable
  02/24/2026 06 AM PST           12.13             76         -      Not Applicable
  02/24/2026 07 AM PST           12.14             78         +      Not Applicable
  02/24/2026 08 AM PST           12.13             76         -      Not Applicable
  02/24/2026 09 AM PST           12.14             78         +      Not Applicable
  02/24/2026 10 AM PST           12.13             76         -      Not Applicable
  02/24/2026 11 AM PST           12.12             75         -      Not Applicable
  02/24/2026 12 PM PST           12.12             75         0      Not Applicable
  02/24/2026 01 PM PST           12.12             75         0      Not Applicable
  02/24/2026 02 PM PST           12.11             73         -      Not Applicable
  02/24/2026 03 PM PST           12.10             72         -      Not Applicable
  02/24/2026 04 PM PST           12.10             72         0      Not Applicable
  02/24/2026 05 PM PST           12.10             72         0      Not Applicable
  02/24/2026 06 PM PST           12.11             73         +      Not Applicable
  02/24/2026 07 PM PST           12.10             72         -      Not Applicable
  02/24/2026 08 PM PST           12.10             72         0      Not Applicable
  02/24/2026 09 PM PST           12.10             72         0      Not Applicable
  02/24/2026 10 PM PST           12.10             72         0      Not Applicable
  02/24/2026 11 PM PST           12.09             70         -      Not Applicable
  02/25/2026 12 AM PST           12.09             70         0      Not Applicable
  02/25/2026 01 AM PST           12.08             69         -      Not Applicable
  02/25/2026 02 AM PST           12.09             70         +      Not Applicable
  02/25/2026 03 AM PST           12.08             69         -      Not Applicable
  02/25/2026 04 AM PST           12.09             70         +      Not Applicable
  02/25/2026 05 AM PST           12.08             69         -      Not Applicable
  02/25/2026 06 AM PST           12.08             69         0      Not Applicable
  02/25/2026 07 AM PST           12.08             69         0      Not Applicable
  02/25/2026 08 AM PST           12.08             69         0      Not Applicable
  02/25/2026 09 AM PST           12.07             67         -      Not Applicable
  02/25/2026 10 AM PST           12.06             66         -      Not Applicable
  02/25/2026 11 AM PST           12.07             67         +      Not Applicable
  02/25/2026 12 PM PST           12.07             67         0      Not Applicable
  02/25/2026 01 PM PST           12.06             66         -      Not Applicable
  02/25/2026 02 PM PST           12.05             64         -      Not Applicable
  02/25/2026 03 PM PST           12.05             64         0      Not Applicable
  02/25/2026 04 PM PST           12.05             64         0      Not Applicable
  02/25/2026 05 PM PST           12.06             66         +      Not Applicable
  02/25/2026 06 PM PST           12.04             63         -      Not Applicable
  02/25/2026 07 PM PST           12.04             63         0      Not Applicable
  02/25/2026 08 PM PST           12.04             63         0      Not Applicable
  02/25/2026 09 PM PST           12.03             61         -      Not Applicable
  02/25/2026 10 PM PST           12.03             61         0      Not Applicable
  02/25/2026 11 PM PST           12.02             60         -      Not Applicable
  02/26/2026 12 AM PST           12.02             60         0      Not Applicable
  02/26/2026 01 AM PST           12.02             60         0      Not Applicable
  02/26/2026 02 AM PST           12.02             60         0      Not Applicable
  02/26/2026 03 AM PST           12.02             60         0      Not Applicable
  02/26/2026 04 AM PST           12.01             59         -      Not Applicable
  02/26/2026 05 AM PST           12.00             57         -      Not Applicable
  02/26/2026 06 AM PST           12.01             59         +      Not Applicable
  02/26/2026 07 AM PST           12.00             57         -      Not Applicable
  02/26/2026 08 AM PST           12.00             57         0      Not Applicable
  02/26/2026 09 AM PST           12.00             57         0      Not Applicable
  02/26/2026 10 AM PST           11.99             56         -      Not Applicable
  02/26/2026 11 AM PST           11.98             54         -      Not Applicable
  02/26/2026 12 PM PST           11.97             53         -      Not Applicable
  02/26/2026 01 PM PST           11.97             53         0      Not Applicable
  02/26/2026 02 PM PST           11.97             53         0      Not Applicable
  02/26/2026 03 PM PST           11.96             52         -      Not Applicable
  02/26/2026 04 PM PST           11.97             53         +      Not Applicable
  02/26/2026 05 PM PST           11.96             52         -      Not Applicable
  02/26/2026 06 PM PST           11.96             52         0      Not Applicable
  02/26/2026 07 PM PST           11.95             50         -      Not Applicable
  02/26/2026 08 PM PST           11.96             52         +      Not Applicable
  02/26/2026 09 PM PST           11.96             52         0      Not Applicable
  02/26/2026 10 PM PST           11.94             49         -      Not Applicable
  02/26/2026 11 PM PST           11.94             49         0      Not Applicable
  02/27/2026 12 AM PST           11.94             49         0      Not Applicable
  02/27/2026 01 AM PST           11.94             49         0      Not Applicable
  02/27/2026 02 AM PST           11.94             49         0      Not Applicable
  02/27/2026 03 AM PST           11.94             49         0      Not Applicable
  02/27/2026 04 AM PST           11.94             49         0      Not Applicable
  02/27/2026 05 AM PST           11.93             48         -      Not Applicable
  02/27/2026 06 AM PST           11.93             48         0      Not Applicable
  02/27/2026 07 AM PST           11.93             48         0      Not Applicable
  02/27/2026 08 AM PST           11.93             48         0      Not Applicable
  02/27/2026 09 AM PST           11.93             48         0      Not Applicable
  02/27/2026 10 AM PST           11.91             45         -      Not Applicable
  02/27/2026 11 AM PST           11.91             45         0      Not Applicable
  02/27/2026 12 PM PST           11.91             45         0      Not Applicable
  02/27/2026 01 PM PST           11.91             45         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/27/2026 02 PM PST           11.90             44                Not Applicable
  02/27/2026 03 PM PST           11.90             44         0      Not Applicable
  02/27/2026 04 PM PST           11.90             44         0      Not Applicable
  02/27/2026 05 PM PST           11.90             44         0      Not Applicable
  02/27/2026 06 PM PST           11.90             44         0      Not Applicable
  02/27/2026 07 PM PST           11.90             44         0      Not Applicable
  02/27/2026 08 PM PST           11.90             44         0      Not Applicable
  02/27/2026 09 PM PST           11.90             44         0      Not Applicable
  02/27/2026 10 PM PST           11.89             43         -      Not Applicable
  02/27/2026 11 PM PST           11.89             43         0      Not Applicable
  02/28/2026 12 AM PST           11.89             43         0      Not Applicable
  02/28/2026 01 AM PST           11.89             43         0      Not Applicable
  02/28/2026 02 AM PST           11.89             43         0      Not Applicable
  02/28/2026 03 AM PST           11.89             43         0      Not Applicable
  02/28/2026 04 AM PST           11.88             42         -      Not Applicable
  02/28/2026 05 AM PST           11.88             42         0      Not Applicable
  02/28/2026 06 AM PST           11.88             42         0      Not Applicable
  02/28/2026 07 AM PST           11.88             42         0      Not Applicable
  02/28/2026 08 AM PST           11.88             42         0      Not Applicable
  02/28/2026 09 AM PST           11.88             42         0      Not Applicable
  02/28/2026 10 AM PST           11.87             40         -      Not Applicable
  02/28/2026 11 AM PST           11.87             40         0      Not Applicable
  02/28/2026 12 PM PST           11.87             40         0      Not Applicable
  02/28/2026 01 PM PST           11.87             40         0      Not Applicable
  02/28/2026 02 PM PST           11.87             40         0      Not Applicable
  02/28/2026 03 PM PST           11.87             40         0      Not Applicable
  02/28/2026 04 PM PST           11.87             40         0      Not Applicable
  02/28/2026 05 PM PST           11.86             39         -      Not Applicable
  02/28/2026 06 PM PST           11.86             39         0      Not Applicable
  02/28/2026 07 PM PST           11.86             39         0      Not Applicable
  02/28/2026 08 PM PST           11.86             39         0      Not Applicable
  02/28/2026 09 PM PST           11.86             39         0      Not Applicable
  02/28/2026 10 PM PST           11.86             39         0      Not Applicable
  02/28/2026 11 PM PST           11.86             39         0      Not Applicable
  03/01/2026 12 AM PST           11.85             38         -      Not Applicable
  03/01/2026 01 AM PST           11.85             38         0      Not Applicable
  03/01/2026 02 AM PST           11.85             38         0      Not Applicable
  03/01/2026 03 AM PST           11.85             38         0      Not Applicable
  03/01/2026 04 AM PST           11.85             38         0      Not Applicable
  03/01/2026 05 AM PST           11.85             38         0      Not Applicable
  03/01/2026 06 AM PST           11.85             38         0      Not Applicable
  03/01/2026 07 AM PST           11.85             38         0      Not Applicable
  03/01/2026 08 AM PST           11.84             37         -      Not Applicable
  03/01/2026 09 AM PST           11.84             37         0      Not Applicable
  03/01/2026 10 AM PST           11.84             37         0      Not Applicable
  03/01/2026 11 AM PST           11.84             37         0      Not Applicable
  03/01/2026 12 PM PST           11.84             37         0      Not Applicable
  03/01/2026 01 PM PST           11.84             37         0      Not Applicable
  03/01/2026 02 PM PST           11.84             37         0      Not Applicable
  03/01/2026 03 PM PST           11.84             37         0      Not Applicable
  03/01/2026 04 PM PST           11.84             37         0      Not Applicable
  03/01/2026 05 PM PST           11.84             37         0      Not Applicable
  03/01/2026 06 PM PST           11.83             36         -      Not Applicable
  03/01/2026 07 PM PST           11.83             36         0      Not Applicable
  03/01/2026 08 PM PST           11.83             36         0      Not Applicable
  03/01/2026 09 PM PST           11.83             36         0      Not Applicable
  03/01/2026 10 PM PST           11.83             36         0      Not Applicable
  03/01/2026 11 PM PST           11.83             36         0      Not Applicable
  03/02/2026 12 AM PST           11.83             36         0      Not Applicable
  03/02/2026 01 AM PST           11.83             36         0      Not Applicable
  03/02/2026 02 AM PST           11.83             36         0      Not Applicable
  03/02/2026 03 AM PST           11.82             35         -      Not Applicable
  03/02/2026 04 AM PST           11.82             35         0      Not Applicable
  03/02/2026 05 AM PST           11.82             35         0      Not Applicable
  03/02/2026 06 AM PST           11.82             35         0      Not Applicable
  03/02/2026 07 AM PST           11.82             35         0      Not Applicable
  03/02/2026 08 AM PST           11.82             35         0      Not Applicable
  03/02/2026 09 AM PST           11.82             35         0      Not Applicable
  03/02/2026 10 AM PST           11.82             35         0      Not Applicable
  03/02/2026 11 AM PST           11.82             35         0      Not Applicable
  03/02/2026 12 PM PST           11.82             35         0      Not Applicable
  03/02/2026 01 PM PST           11.82             35         0      Not Applicable
  03/02/2026 02 PM PST           11.82             35         0      Not Applicable
  03/02/2026 03 PM PST           11.82             35         0      Not Applicable
  03/02/2026 04 PM PST           11.81             34         -      Not Applicable
  03/02/2026 05 PM PST           11.81             34         0      Not Applicable
  03/02/2026 06 PM PST           11.81             34         0      Not Applicable
  03/02/2026 07 PM PST           11.81             34         0      Not Applicable
  03/02/2026 08 PM PST           11.81             34         0      Not Applicable
  03/02/2026 09 PM PST           11.81             34         0      Not Applicable
  03/02/2026 10 PM PST           11.81             34         0      Not Applicable
  03/02/2026 11 PM PST           11.81             34         0      Not Applicable
  03/03/2026 12 AM PST           11.81             34         0      Not Applicable
  03/03/2026 01 AM PST           11.81             34         0      Not Applicable
  03/03/2026 02 AM PST           11.81             34         0      Not Applicable
  03/03/2026 03 AM PST           11.81             34         0      Not Applicable
  03/03/2026 04 AM PST           11.81             34         0      Not Applicable
  03/03/2026 05 AM PST           11.81             34         0      Not Applicable
  03/03/2026 06 AM PST           11.81             34         0      Not Applicable
  03/03/2026 07 AM PST           11.81             34         0      Not Applicable
  03/03/2026 08 AM PST           11.81             34         0      Not Applicable
  03/03/2026 09 AM PST           11.80             33         -      Not Applicable
  03/03/2026 10 AM PST           11.80             33         0      Not Applicable
  03/03/2026 11 AM PST           11.80             33         0      Not Applicable
  03/03/2026 12 PM PST           11.80             33         0      Not Applicable
  03/03/2026 01 PM PST           11.80             33         0      Not Applicable
  03/03/2026 02 PM PST           11.80             33         0      Not Applicable
  03/03/2026 03 PM PST           11.80             33         0      Not Applicable
  03/03/2026 04 PM PST           11.80             33         0      Not Applicable
  03/03/2026 05 PM PST           11.80             33         0      Not Applicable
  03/03/2026 06 PM PST           11.80             33         0      Not Applicable
  03/03/2026 07 PM PST           11.80             33         0      Not Applicable
  03/03/2026 08 PM PST           11.80             33         0      Not Applicable
  03/03/2026 09 PM PST           11.80             33         0      Not Applicable
  03/03/2026 10 PM PST           11.80             33         0      Not Applicable
  03/03/2026 11 PM PST           11.80             33         0      Not Applicable
  03/04/2026 12 AM PST           11.80             33         0      Not Applicable
  03/04/2026 01 AM PST           11.80             33         0      Not Applicable
  03/04/2026 02 AM PST           11.80             33         0      Not Applicable
  03/04/2026 03 AM PST           11.80             33         0      Not Applicable
  03/04/2026 04 AM PST           11.80             33         0      Not Applicable
#
# 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.