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 Feet
Location: Alameda County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: Dec 29 2025 at 2:18 PM PSTNext Issuance: Dec 30 2025 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:  12/29/2025 at 02:20 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/26/2025 at 05:00 AM PST
# Maximum Observed Stage:                       13.26 Feet
# Maximum Observed Flow:                        351 cfs
#
# Earliest Date & Time of Maximum Forecast:     01/03/2026 at 03:00 AM PST
# Maximum Forecast Stage:                       13.01 Feet
# Maximum Forecast Flow:                        281 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/24/2025 02 PM PST           11.53             12                Not Applicable
  12/24/2025 03 PM PST           11.53             12         0      Not Applicable
  12/24/2025 04 PM PST           11.53             12         0      Not Applicable
  12/24/2025 05 PM PST           11.53             12         0      Not Applicable
  12/24/2025 06 PM PST           11.53             12         0      Not Applicable
  12/24/2025 07 PM PST           11.53             12         0      Not Applicable
  12/24/2025 08 PM PST           11.53             12         0      Not Applicable
  12/24/2025 09 PM PST           11.53             12         0      Not Applicable
  12/24/2025 10 PM PST           11.53             12         0      Not Applicable
  12/24/2025 11 PM PST           11.53             12         0      Not Applicable
  12/25/2025 12 AM PST           11.53             12         0      Not Applicable
  12/25/2025 01 AM PST           11.53             12         0      Not Applicable
  12/25/2025 02 AM PST           11.53             12         0      Not Applicable
  12/25/2025 03 AM PST           11.53             12         0      Not Applicable
  12/25/2025 04 AM PST           11.56             13         +      Not Applicable
  12/25/2025 05 AM PST           11.54             12         -      Not Applicable
  12/25/2025 06 AM PST           11.57             14         +      Not Applicable
  12/25/2025 07 AM PST           11.57             14         0      Not Applicable
  12/25/2025 08 AM PST           11.58             15         +      Not Applicable
  12/25/2025 09 AM PST           11.59             15         +      Not Applicable
  12/25/2025 10 AM PST           11.61             16         +      Not Applicable
  12/25/2025 11 AM PST           11.61             16         0      Not Applicable
  12/25/2025 12 PM PST           11.73             26         +      Not Applicable
  12/25/2025 01 PM PST           11.90             44         +      Not Applicable
  12/25/2025 02 PM PST           12.82            231         +      Not Applicable
  12/25/2025 03 PM PST           12.80            226         -      Not Applicable
  12/25/2025 04 PM PST           12.80            226         0      Not Applicable
  12/25/2025 05 PM PST           12.80            226         0      Not Applicable
  12/25/2025 06 PM PST           12.80            226         0      Not Applicable
  12/25/2025 07 PM PST           12.75            214         -      Not Applicable
  12/25/2025 08 PM PST           12.78            221         +      Not Applicable
  12/25/2025 09 PM PST           12.72            206         -      Not Applicable
  12/25/2025 10 PM PST           12.67            194         -      Not Applicable
  12/25/2025 11 PM PST           12.61            180         -      Not Applicable
  12/26/2025 12 AM PST           12.62            182         +      Not Applicable
  12/26/2025 01 AM PST           12.60            177         -      Not Applicable
  12/26/2025 02 AM PST           12.58            173         -      Not Applicable
  12/26/2025 03 AM PST           12.60            177         +      Not Applicable
  12/26/2025 04 AM PST           13.07            297         +      Not Applicable
  12/26/2025 05 AM PST           13.26            351         +      Not Applicable
  12/26/2025 06 AM PST           13.24            345         -      Not Applicable
  12/26/2025 07 AM PST           13.24            345         0      Not Applicable
  12/26/2025 08 AM PST           13.23            342         -      Not Applicable
  12/26/2025 09 AM PST           13.16            322         -      Not Applicable
  12/26/2025 10 AM PST           13.08            300         -      Not Applicable
  12/26/2025 11 AM PST           13.00            278         -      Not Applicable
  12/26/2025 12 PM PST           12.94            262         -      Not Applicable
  12/26/2025 01 PM PST           12.83            234         -      Not Applicable
  12/26/2025 02 PM PST           12.80            226         -      Not Applicable
  12/26/2025 03 PM PST           12.77            219         -      Not Applicable
  12/26/2025 04 PM PST           12.72            206         -      Not Applicable
  12/26/2025 05 PM PST           12.68            196         -      Not Applicable
  12/26/2025 06 PM PST           12.62            182         -      Not Applicable
  12/26/2025 07 PM PST           12.61            180         -      Not Applicable
  12/26/2025 08 PM PST           12.56            168         -      Not Applicable
  12/26/2025 09 PM PST           12.52            159         -      Not Applicable
  12/26/2025 10 PM PST           12.50            154         -      Not Applicable
  12/26/2025 11 PM PST           12.48            150         -      Not Applicable
  12/27/2025 12 AM PST           12.46            145         -      Not Applicable
  12/27/2025 01 AM PST           12.44            141         -      Not Applicable
  12/27/2025 02 AM PST           12.43            139         -      Not Applicable
  12/27/2025 03 AM PST           12.43            139         0      Not Applicable
  12/27/2025 04 AM PST           12.44            141         +      Not Applicable
  12/27/2025 05 AM PST           12.45            143         +      Not Applicable
  12/27/2025 06 AM PST           12.44            141         -      Not Applicable
  12/27/2025 07 AM PST           12.44            141         0      Not Applicable
  12/27/2025 08 AM PST           12.42            136         -      Not Applicable
  12/27/2025 09 AM PST           12.41            134         -      Not Applicable
  12/27/2025 10 AM PST           12.40            132         -      Not Applicable
  12/27/2025 11 AM PST           12.38            128         -      Not Applicable
  12/27/2025 12 PM PST           12.36            123         -      Not Applicable
  12/27/2025 01 PM PST           12.31            113         -      Not Applicable
  12/27/2025 02 PM PST           12.30            111         -      Not Applicable
  12/27/2025 03 PM PST           12.28            106         -      Not Applicable
  12/27/2025 04 PM PST           12.27            104         -      Not Applicable
  12/27/2025 05 PM PST           12.25            100         -      Not Applicable
  12/27/2025 06 PM PST           12.24             98         -      Not Applicable
  12/27/2025 07 PM PST           12.23             96         -      Not Applicable
  12/27/2025 08 PM PST           12.22             95         -      Not Applicable
  12/27/2025 09 PM PST           12.21             93         -      Not Applicable
  12/27/2025 10 PM PST           12.19             89         -      Not Applicable
  12/27/2025 11 PM PST           12.18             87         -      Not Applicable
  12/28/2025 12 AM PST           12.18             87         0      Not Applicable
  12/28/2025 01 AM PST           12.16             84         -      Not Applicable
  12/28/2025 02 AM PST           12.16             84         0      Not Applicable
  12/28/2025 03 AM PST           12.14             80         -      Not Applicable
  12/28/2025 04 AM PST           12.14             80         0      Not Applicable
  12/28/2025 05 AM PST           12.13             78         -      Not Applicable
  12/28/2025 06 AM PST           12.11             75         -      Not Applicable
  12/28/2025 07 AM PST           12.11             75         0      Not Applicable
  12/28/2025 08 AM PST           12.10             73         -      Not Applicable
  12/28/2025 09 AM PST           12.09             72         -      Not Applicable
  12/28/2025 10 AM PST           12.09             72         0      Not Applicable
  12/28/2025 11 AM PST           12.08             70         -      Not Applicable
  12/28/2025 12 PM PST           12.08             70         0      Not Applicable
  12/28/2025 01 PM PST           12.05             65         -      Not Applicable
  12/28/2025 02 PM PST           12.05             65         0      Not Applicable
  12/28/2025 03 PM PST           12.05             65         0      Not Applicable
  12/28/2025 04 PM PST           12.05             65         0      Not Applicable
  12/28/2025 05 PM PST           12.05             65         0      Not Applicable
  12/28/2025 06 PM PST           12.04             64         -      Not Applicable
  12/28/2025 07 PM PST           12.04             64         0      Not Applicable
  12/28/2025 08 PM PST           12.04             64         0      Not Applicable
  12/28/2025 09 PM PST           12.03             62         -      Not Applicable
  12/28/2025 10 PM PST           12.02             61         -      Not Applicable
  12/28/2025 11 PM PST           12.01             60         -      Not Applicable
  12/29/2025 12 AM PST           12.01             60         0      Not Applicable
  12/29/2025 01 AM PST           11.98             55         -      Not Applicable
  12/29/2025 02 AM PST           11.98             55         0      Not Applicable
  12/29/2025 03 AM PST           11.98             55         0      Not Applicable
  12/29/2025 04 AM PST           11.98             55         0      Not Applicable
  12/29/2025 05 AM PST           11.98             55         0      Not Applicable
  12/29/2025 06 AM PST           11.97             54         -      Not Applicable
  12/29/2025 07 AM PST           11.97             54         0      Not Applicable
  12/29/2025 08 AM PST           11.97             54         0      Not Applicable
  12/29/2025 09 AM PST           11.97             54         0      Not Applicable
  12/29/2025 10 AM PST           11.97             54         0      Not Applicable
  12/29/2025 11 AM PST           11.97             54         0      Not Applicable
  12/29/2025 12 PM PST           11.97             54         0      Not Applicable
  12/29/2025 01 PM PST           11.96             52         -      Not Applicable
  12/29/2025 02 PM PST           11.96             52         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/29/2025 03 PM PST           11.97             54                Not Applicable
  12/29/2025 04 PM PST           11.97             54         0      Not Applicable
  12/29/2025 05 PM PST           11.96             52         -      Not Applicable
  12/29/2025 06 PM PST           11.96             52         0      Not Applicable
  12/29/2025 07 PM PST           11.96             52         0      Not Applicable
  12/29/2025 08 PM PST           11.95             51         -      Not Applicable
  12/29/2025 09 PM PST           11.95             51         0      Not Applicable
  12/29/2025 10 PM PST           11.95             51         0      Not Applicable
  12/29/2025 11 PM PST           11.94             49         -      Not Applicable
  12/30/2025 12 AM PST           11.94             49         0      Not Applicable
  12/30/2025 01 AM PST           11.94             49         0      Not Applicable
  12/30/2025 02 AM PST           11.94             49         0      Not Applicable
  12/30/2025 03 AM PST           11.93             48         -      Not Applicable
  12/30/2025 04 AM PST           11.93             48         0      Not Applicable
  12/30/2025 05 AM PST           11.93             48         0      Not Applicable
  12/30/2025 06 AM PST           11.92             47         -      Not Applicable
  12/30/2025 07 AM PST           11.92             47         0      Not Applicable
  12/30/2025 08 AM PST           11.91             45         -      Not Applicable
  12/30/2025 09 AM PST           11.91             45         0      Not Applicable
  12/30/2025 10 AM PST           11.91             45         0      Not Applicable
  12/30/2025 11 AM PST           11.91             45         0      Not Applicable
  12/30/2025 12 PM PST           11.90             44         -      Not Applicable
  12/30/2025 01 PM PST           11.90             44         0      Not Applicable
  12/30/2025 02 PM PST           11.90             44         0      Not Applicable
  12/30/2025 03 PM PST           11.89             43         -      Not Applicable
  12/30/2025 04 PM PST           11.89             43         0      Not Applicable
  12/30/2025 05 PM PST           11.89             43         0      Not Applicable
  12/30/2025 06 PM PST           11.88             42         -      Not Applicable
  12/30/2025 07 PM PST           11.88             42         0      Not Applicable
  12/30/2025 08 PM PST           11.88             42         0      Not Applicable
  12/30/2025 09 PM PST           11.87             41         -      Not Applicable
  12/30/2025 10 PM PST           11.87             41         0      Not Applicable
  12/30/2025 11 PM PST           11.87             41         0      Not Applicable
  12/31/2025 12 AM PST           11.86             39         -      Not Applicable
  12/31/2025 01 AM PST           11.86             39         0      Not Applicable
  12/31/2025 02 AM PST           11.86             39         0      Not Applicable
  12/31/2025 03 AM PST           11.85             38         -      Not Applicable
  12/31/2025 04 AM PST           11.85             38         0      Not Applicable
  12/31/2025 05 AM PST           11.85             38         0      Not Applicable
  12/31/2025 06 AM PST           11.85             38         0      Not Applicable
  12/31/2025 07 AM PST           11.84             37         -      Not Applicable
  12/31/2025 08 AM PST           11.84             37         0      Not Applicable
  12/31/2025 09 AM PST           11.84             37         0      Not Applicable
  12/31/2025 10 AM PST           11.83             36         -      Not Applicable
  12/31/2025 11 AM PST           11.83             36         0      Not Applicable
  12/31/2025 12 PM PST           11.82             35         -      Not Applicable
  12/31/2025 01 PM PST           11.82             35         0      Not Applicable
  12/31/2025 02 PM PST           11.82             35         0      Not Applicable
  12/31/2025 03 PM PST           11.82             35         0      Not Applicable
  12/31/2025 04 PM PST           11.81             34         -      Not Applicable
  12/31/2025 05 PM PST           11.81             34         0      Not Applicable
  12/31/2025 06 PM PST           11.81             34         0      Not Applicable
  12/31/2025 07 PM PST           11.81             34         0      Not Applicable
  12/31/2025 08 PM PST           11.81             34         0      Not Applicable
  12/31/2025 09 PM PST           11.81             34         0      Not Applicable
  12/31/2025 10 PM PST           11.81             34         0      Not Applicable
  12/31/2025 11 PM PST           11.81             34         0      Not Applicable
  01/01/2026 12 AM PST           11.81             34         0      Not Applicable
  01/01/2026 01 AM PST           11.80             33         -      Not Applicable
  01/01/2026 02 AM PST           11.80             33         0      Not Applicable
  01/01/2026 03 AM PST           11.81             34         +      Not Applicable
  01/01/2026 04 AM PST           11.84             37         +      Not Applicable
  01/01/2026 05 AM PST           11.93             48         +      Not Applicable
  01/01/2026 06 AM PST           12.02             61         +      Not Applicable
  01/01/2026 07 AM PST           12.12             77         +      Not Applicable
  01/01/2026 08 AM PST           12.20             91         +      Not Applicable
  01/01/2026 09 AM PST           12.26            102         +      Not Applicable
  01/01/2026 10 AM PST           12.31            113         +      Not Applicable
  01/01/2026 11 AM PST           12.34            119         +      Not Applicable
  01/01/2026 12 PM PST           12.37            126         +      Not Applicable
  01/01/2026 01 PM PST           12.40            132         +      Not Applicable
  01/01/2026 02 PM PST           12.42            136         +      Not Applicable
  01/01/2026 03 PM PST           12.43            139         +      Not Applicable
  01/01/2026 04 PM PST           12.43            139         0      Not Applicable
  01/01/2026 05 PM PST           12.43            139         0      Not Applicable
  01/01/2026 06 PM PST           12.41            134         -      Not Applicable
  01/01/2026 07 PM PST           12.40            132         -      Not Applicable
  01/01/2026 08 PM PST           12.39            130         -      Not Applicable
  01/01/2026 09 PM PST           12.37            126         -      Not Applicable
  01/01/2026 10 PM PST           12.34            119         -      Not Applicable
  01/01/2026 11 PM PST           12.31            113         -      Not Applicable
  01/02/2026 12 AM PST           12.28            106         -      Not Applicable
  01/02/2026 01 AM PST           12.24             98         -      Not Applicable
  01/02/2026 02 AM PST           12.21             93         -      Not Applicable
  01/02/2026 03 AM PST           12.17             85         -      Not Applicable
  01/02/2026 04 AM PST           12.13             78         -      Not Applicable
  01/02/2026 05 AM PST           12.11             75         -      Not Applicable
  01/02/2026 06 AM PST           12.08             70         -      Not Applicable
  01/02/2026 07 AM PST           12.06             67         -      Not Applicable
  01/02/2026 08 AM PST           12.05             65         -      Not Applicable
  01/02/2026 09 AM PST           12.04             64         -      Not Applicable
  01/02/2026 10 AM PST           12.03             62         -      Not Applicable
  01/02/2026 11 AM PST           12.02             61         -      Not Applicable
  01/02/2026 12 PM PST           12.02             61         0      Not Applicable
  01/02/2026 01 PM PST           12.02             61         0      Not Applicable
  01/02/2026 02 PM PST           12.03             62         +      Not Applicable
  01/02/2026 03 PM PST           12.04             64         +      Not Applicable
  01/02/2026 04 PM PST           12.06             67         +      Not Applicable
  01/02/2026 05 PM PST           12.11             75         +      Not Applicable
  01/02/2026 06 PM PST           12.16             84         +      Not Applicable
  01/02/2026 07 PM PST           12.21             93         +      Not Applicable
  01/02/2026 08 PM PST           12.27            104         +      Not Applicable
  01/02/2026 09 PM PST           12.36            123         +      Not Applicable
  01/02/2026 10 PM PST           12.49            152         +      Not Applicable
  01/02/2026 11 PM PST           12.63            184         +      Not Applicable
  01/03/2026 12 AM PST           12.75            214         +      Not Applicable
  01/03/2026 01 AM PST           12.89            249         +      Not Applicable
  01/03/2026 02 AM PST           12.98            273         +      Not Applicable
  01/03/2026 03 AM PST           13.01            281         +      Not Applicable
  01/03/2026 04 AM PST           13.01            281         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.