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ALAMEDA CREEK - NILES (NILC1)
| Latitude: 37.59º N | Longitude: 121.96º W | Elevation: 86 Feet | | Forecast Type: Unofficial Location |
| Location: Alameda County in California | Bulletin Group: Central Coast | River Group: South Bay |
| Issuance Time: | May 04 2026 at 6:59 AM PDT | Next Issuance: | May 05 2026 at 9:00 AM PDT
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| Action/Monitor: N/A | Minor Flood: 9.0 Feet | Moderate Flood: 10.5 Feet | Major Flood: N/A |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Alameda Creek - Niles (NILC1)
#
# File Generation Time: 05/04/2026 at 07:00 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/29/2026 at 03:00 PM PDT
# Maximum Observed Stage: 3.11 Feet
# Maximum Observed Flow: 47 cfs
#
# Earliest Date & Time of Maximum Forecast: 05/05/2026 at 04:00 PM PDT
# Maximum Forecast Stage: 3.28 Feet
# Maximum Forecast Flow: 74 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/29/2026 07 AM PDT 3.08 43 Normal
04/29/2026 08 AM PDT 3.08 43 0 Normal
04/29/2026 09 AM PDT 3.07 42 - Normal
04/29/2026 10 AM PDT 3.08 43 + Normal
04/29/2026 11 AM PDT 3.08 43 0 Normal
04/29/2026 12 PM PDT 3.10 46 + Normal
04/29/2026 01 PM PDT 3.10 46 0 Normal
04/29/2026 02 PM PDT 3.11 47 + Normal
04/29/2026 03 PM PDT 3.11 47 0 Normal
04/29/2026 04 PM PDT 3.10 46 - Normal
04/29/2026 05 PM PDT 3.09 44 - Normal
04/29/2026 06 PM PDT 3.08 43 - Normal
04/29/2026 07 PM PDT 3.07 42 - Normal
04/29/2026 08 PM PDT 3.07 42 0 Normal
04/29/2026 09 PM PDT 3.07 42 0 Normal
04/29/2026 10 PM PDT 3.07 42 0 Normal
04/29/2026 11 PM PDT 3.07 42 0 Normal
04/30/2026 12 AM PDT 3.07 42 0 Normal
04/30/2026 01 AM PDT 3.07 42 0 Normal
04/30/2026 02 AM PDT 3.07 42 0 Normal
04/30/2026 03 AM PDT 3.07 42 0 Normal
04/30/2026 04 AM PDT 3.07 42 0 Normal
04/30/2026 05 AM PDT 3.07 42 0 Normal
04/30/2026 06 AM PDT 3.07 42 0 Normal
04/30/2026 07 AM PDT 3.06 41 - Normal
04/30/2026 08 AM PDT 3.06 41 0 Normal
04/30/2026 09 AM PDT 3.06 41 0 Normal
04/30/2026 10 AM PDT 3.06 41 0 Normal
04/30/2026 11 AM PDT 3.06 41 0 Normal
04/30/2026 12 PM PDT 3.06 41 0 Normal
04/30/2026 01 PM PDT 3.06 41 0 Normal
04/30/2026 02 PM PDT 3.07 42 + Normal
04/30/2026 03 PM PDT 3.07 42 0 Normal
04/30/2026 04 PM PDT 3.07 42 0 Normal
04/30/2026 05 PM PDT 3.07 42 0 Normal
04/30/2026 06 PM PDT 3.06 41 - Normal
04/30/2026 07 PM PDT 3.06 41 0 Normal
04/30/2026 08 PM PDT 3.06 41 0 Normal
04/30/2026 09 PM PDT 3.06 41 0 Normal
04/30/2026 10 PM PDT 3.06 41 0 Normal
04/30/2026 11 PM PDT 3.05 40 - Normal
05/01/2026 12 AM PDT 3.05 40 0 Normal
05/01/2026 01 AM PDT 3.06 41 + Normal
05/01/2026 02 AM PDT 3.06 41 0 Normal
05/01/2026 03 AM PDT 3.06 41 0 Normal
05/01/2026 04 AM PDT 3.06 41 0 Normal
05/01/2026 05 AM PDT 3.06 41 0 Normal
05/01/2026 06 AM PDT 3.06 41 0 Normal
05/01/2026 07 AM PDT 3.06 41 0 Normal
05/01/2026 08 AM PDT 3.06 41 0 Normal
05/01/2026 09 AM PDT 3.06 41 0 Normal
05/01/2026 10 AM PDT 3.06 41 0 Normal
05/01/2026 11 AM PDT 3.06 41 0 Normal
05/01/2026 12 PM PDT 3.06 41 0 Normal
05/01/2026 01 PM PDT 3.06 41 0 Normal
05/01/2026 02 PM PDT 3.05 40 - Normal
05/01/2026 03 PM PDT 3.05 40 0 Normal
05/01/2026 04 PM PDT 3.05 40 0 Normal
05/01/2026 05 PM PDT 3.02 36 - Normal
05/01/2026 06 PM PDT 2.98 32 - Normal
05/01/2026 07 PM PDT 2.95 29 - Normal
05/01/2026 08 PM PDT 2.94 28 - Normal
05/01/2026 09 PM PDT 2.93 28 - Normal
05/01/2026 10 PM PDT 2.92 27 - Normal
05/01/2026 11 PM PDT 2.91 26 - Normal
05/02/2026 12 AM PDT 2.90 25 - Normal
05/02/2026 01 AM PDT 2.90 25 0 Normal
05/02/2026 02 AM PDT 2.91 26 + Normal
05/02/2026 03 AM PDT 2.91 26 0 Normal
05/02/2026 04 AM PDT 2.91 26 0 Normal
05/02/2026 05 AM PDT 2.91 26 0 Normal
05/02/2026 06 AM PDT 2.90 25 - Normal
05/02/2026 07 AM PDT 2.90 25 0 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
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
05/04/2026 07 AM PDT 2.93 28 Normal
05/04/2026 08 AM PDT 2.93 28 0 Normal
05/04/2026 09 AM PDT 2.93 28 0 Normal
05/04/2026 10 AM PDT 2.92 27 - Normal
05/04/2026 11 AM PDT 2.92 27 0 Normal
05/04/2026 12 PM PDT 2.92 27 0 Normal
05/04/2026 01 PM PDT 2.92 27 0 Normal
05/04/2026 02 PM PDT 2.92 27 0 Normal
05/04/2026 03 PM PDT 2.92 27 0 Normal
05/04/2026 04 PM PDT 2.92 27 0 Normal
05/04/2026 05 PM PDT 2.92 27 0 Normal
05/04/2026 06 PM PDT 2.92 27 0 Normal
05/04/2026 07 PM PDT 2.92 27 0 Normal
05/04/2026 08 PM PDT 2.92 27 0 Normal
05/04/2026 09 PM PDT 2.92 27 0 Normal
05/04/2026 10 PM PDT 2.92 27 0 Normal
05/04/2026 11 PM PDT 2.92 27 0 Normal
05/05/2026 12 AM PDT 2.92 27 0 Normal
05/05/2026 01 AM PDT 2.92 27 0 Normal
05/05/2026 02 AM PDT 2.92 27 0 Normal
05/05/2026 03 AM PDT 2.92 27 0 Normal
05/05/2026 04 AM PDT 2.93 28 + Normal
05/05/2026 05 AM PDT 2.93 28 0 Normal
05/05/2026 06 AM PDT 2.94 28 + Normal
05/05/2026 07 AM PDT 2.95 29 + Normal
05/05/2026 08 AM PDT 2.98 32 + Normal
05/05/2026 09 AM PDT 3.02 36 + Normal
05/05/2026 10 AM PDT 3.08 43 + Normal
05/05/2026 11 AM PDT 3.13 50 + Normal
05/05/2026 12 PM PDT 3.17 55 + Normal
05/05/2026 01 PM PDT 3.21 61 + Normal
05/05/2026 02 PM PDT 3.24 66 + Normal
05/05/2026 03 PM PDT 3.26 70 + Normal
05/05/2026 04 PM PDT 3.28 74 + Normal
05/05/2026 05 PM PDT 3.28 74 0 Normal
05/05/2026 06 PM PDT 3.26 70 - Normal
05/05/2026 07 PM PDT 3.24 66 - Normal
05/05/2026 08 PM PDT 3.22 63 - Normal
05/05/2026 09 PM PDT 3.19 58 - Normal
05/05/2026 10 PM PDT 3.17 55 - Normal
05/05/2026 11 PM PDT 3.14 51 - Normal
05/06/2026 12 AM PDT 3.12 48 - Normal
05/06/2026 01 AM PDT 3.09 44 - Normal
05/06/2026 02 AM PDT 3.07 42 - Normal
05/06/2026 03 AM PDT 3.05 40 - Normal
05/06/2026 04 AM PDT 3.03 37 - Normal
05/06/2026 05 AM PDT 3.01 35 - Normal
05/06/2026 06 AM PDT 3.00 34 - Normal
05/06/2026 07 AM PDT 2.98 32 - Normal
05/06/2026 08 AM PDT 2.97 31 - Normal
05/06/2026 09 AM PDT 2.96 30 - Normal
05/06/2026 10 AM PDT 2.96 30 0 Normal
05/06/2026 11 AM PDT 2.95 29 - Normal
05/06/2026 12 PM PDT 2.94 28 - Normal
05/06/2026 01 PM PDT 2.94 28 0 Normal
05/06/2026 02 PM PDT 2.93 28 - Normal
05/06/2026 03 PM PDT 2.93 28 0 Normal
05/06/2026 04 PM PDT 2.92 27 - Normal
05/06/2026 05 PM PDT 2.92 27 0 Normal
05/06/2026 06 PM PDT 2.92 27 0 Normal
05/06/2026 07 PM PDT 2.92 27 0 Normal
05/06/2026 08 PM PDT 2.91 26 - Normal
05/06/2026 09 PM PDT 2.91 26 0 Normal
05/06/2026 10 PM PDT 2.91 26 0 Normal
05/06/2026 11 PM PDT 2.91 26 0 Normal
05/07/2026 12 AM PDT 2.91 26 0 Normal
05/07/2026 01 AM PDT 2.91 26 0 Normal
05/07/2026 02 AM PDT 2.91 26 0 Normal
05/07/2026 03 AM PDT 2.91 26 0 Normal
05/07/2026 04 AM PDT 2.91 26 0 Normal
05/07/2026 05 AM PDT 2.91 26 0 Normal
05/07/2026 06 AM PDT 2.91 26 0 Normal
05/07/2026 07 AM PDT 2.91 26 0 Normal
05/07/2026 08 AM PDT 2.91 26 0 Normal
05/07/2026 09 AM PDT 2.91 26 0 Normal
05/07/2026 10 AM PDT 2.91 26 0 Normal
05/07/2026 11 AM PDT 2.90 25 - Normal
05/07/2026 12 PM PDT 2.90 25 0 Normal
05/07/2026 01 PM PDT 2.90 25 0 Normal
05/07/2026 02 PM PDT 2.90 25 0 Normal
05/07/2026 03 PM PDT 2.90 25 0 Normal
05/07/2026 04 PM PDT 2.90 25 0 Normal
05/07/2026 05 PM PDT 2.90 25 0 Normal
05/07/2026 06 PM PDT 2.90 25 0 Normal
05/07/2026 07 PM PDT 2.90 25 0 Normal
05/07/2026 08 PM PDT 2.90 25 0 Normal
05/07/2026 09 PM PDT 2.90 25 0 Normal
05/07/2026 10 PM PDT 2.90 25 0 Normal
05/07/2026 11 PM PDT 2.90 25 0 Normal
05/08/2026 12 AM PDT 2.90 25 0 Normal
05/08/2026 01 AM PDT 2.90 25 0 Normal
05/08/2026 02 AM PDT 2.90 25 0 Normal
05/08/2026 03 AM PDT 2.90 25 0 Normal
05/08/2026 04 AM PDT 2.90 25 0 Normal
05/08/2026 05 AM PDT 2.90 25 0 Normal
05/08/2026 06 AM PDT 2.90 25 0 Normal
05/08/2026 07 AM PDT 2.90 25 0 Normal
05/08/2026 08 AM PDT 2.90 25 0 Normal
05/08/2026 09 AM PDT 2.90 25 0 Normal
05/08/2026 10 AM PDT 2.90 25 0 Normal
05/08/2026 11 AM PDT 2.90 25 0 Normal
05/08/2026 12 PM PDT 2.90 25 0 Normal
05/08/2026 01 PM PDT 2.90 25 0 Normal
05/08/2026 02 PM PDT 2.90 25 0 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
#
# 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.
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