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ALAMEDA CREEK - NILES (NILC1)
| Latitude: 37.59º N | Longitude: 121.96º W | Elevation: 86 Feet | | | |
| Location: Alameda County in California | Bulletin Group: Central Coast | River Group: South Bay |
| Issuance Time: | Jan 21 2026 at 7:13 AM PST | Next Issuance: | Jan 21 2026 at 3:00 PM PST
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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: 01/21/2026 at 07:14 AM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 01/16/2026 at 09:00 PM PST
# Maximum Observed Stage: 3.17 Feet
# Maximum Observed Flow: 55 cfs
#
# Earliest Date & Time of Maximum Forecast: 01/21/2026 at 08:00 AM PST
# Maximum Forecast Stage: 3.10 Feet
# Maximum Forecast Flow: 46 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
01/16/2026 07 AM PST 3.11 47 Normal
01/16/2026 08 AM PST 3.11 47 0 Normal
01/16/2026 09 AM PST 3.10 46 - Normal
01/16/2026 10 AM PST 3.11 47 + Normal
01/16/2026 11 AM PST 3.11 47 0 Normal
01/16/2026 12 PM PST 3.12 48 + Normal
01/16/2026 01 PM PST 3.14 51 + Normal
01/16/2026 02 PM PST 3.14 51 0 Normal
01/16/2026 03 PM PST 3.14 51 0 Normal
01/16/2026 04 PM PST 3.15 52 + Normal
01/16/2026 05 PM PST 3.14 51 - Normal
01/16/2026 06 PM PST 3.14 51 0 Normal
01/16/2026 07 PM PST 3.13 50 - Normal
01/16/2026 08 PM PST 3.15 52 + Normal
01/16/2026 09 PM PST 3.17 55 + Normal
01/16/2026 10 PM PST 3.15 52 - Normal
01/16/2026 11 PM PST 3.15 52 0 Normal
01/17/2026 12 AM PST 3.16 54 + Normal
01/17/2026 01 AM PST 3.15 52 - Normal
01/17/2026 02 AM PST 3.15 52 0 Normal
01/17/2026 03 AM PST 3.15 52 0 Normal
01/17/2026 04 AM PST 3.15 52 0 Normal
01/17/2026 05 AM PST 3.16 54 + Normal
01/17/2026 06 AM PST 3.14 51 - Normal
01/17/2026 07 AM PST 3.14 51 0 Normal
01/17/2026 08 AM PST 3.15 52 + Normal
01/17/2026 09 AM PST 3.16 54 + Normal
01/17/2026 10 AM PST 3.16 54 0 Normal
01/17/2026 11 AM PST 3.12 48 - Normal
01/17/2026 12 PM PST 3.13 50 + Normal
01/17/2026 01 PM PST 3.14 51 + Normal
01/17/2026 02 PM PST 3.14 51 0 Normal
01/17/2026 03 PM PST 3.14 51 0 Normal
01/17/2026 04 PM PST 3.15 52 + Normal
01/17/2026 05 PM PST 3.16 54 + Normal
01/17/2026 06 PM PST 3.16 54 0 Normal
01/17/2026 07 PM PST 3.15 52 - Normal
01/17/2026 08 PM PST 3.15 52 0 Normal
01/17/2026 09 PM PST 3.16 54 + Normal
01/17/2026 10 PM PST 3.13 50 - Normal
01/17/2026 11 PM PST 3.13 50 0 Normal
01/18/2026 12 AM PST 3.13 50 0 Normal
01/18/2026 01 AM PST 3.14 51 + Normal
01/18/2026 02 AM PST 3.14 51 0 Normal
01/18/2026 03 AM PST 3.14 51 0 Normal
01/18/2026 04 AM PST 3.14 51 0 Normal
01/18/2026 05 AM PST 3.14 51 0 Normal
01/18/2026 06 AM PST 3.14 51 0 Normal
01/18/2026 07 AM PST 3.14 51 0 Normal
01/18/2026 08 AM PST 3.14 51 0 Normal
01/18/2026 09 AM PST 3.14 51 0 Normal
01/18/2026 10 AM PST 3.14 51 0 Normal
01/18/2026 11 AM PST 3.11 47 - Normal
01/18/2026 12 PM PST 3.12 48 + Normal
01/18/2026 01 PM PST 3.12 48 0 Normal
01/18/2026 02 PM PST 3.12 48 0 Normal
01/18/2026 03 PM PST 3.12 48 0 Normal
01/18/2026 04 PM PST 3.12 48 0 Normal
01/18/2026 05 PM PST 3.12 48 0 Normal
01/18/2026 06 PM PST 3.11 47 - Normal
01/18/2026 07 PM PST 3.11 47 0 Normal
01/18/2026 08 PM PST 3.11 47 0 Normal
01/18/2026 09 PM PST 3.11 47 0 Normal
01/18/2026 10 PM PST 3.11 47 0 Normal
01/18/2026 11 PM PST 3.11 47 0 Normal
01/19/2026 12 AM PST 3.12 48 + Normal
01/19/2026 01 AM PST 3.12 48 0 Normal
01/19/2026 02 AM PST 3.12 48 0 Normal
01/19/2026 03 AM PST 3.12 48 0 Normal
01/19/2026 04 AM PST 3.12 48 0 Normal
01/19/2026 05 AM PST 3.11 47 - Normal
01/19/2026 06 AM PST 3.10 46 - Normal
01/19/2026 07 AM PST 3.12 48 + Normal
01/19/2026 08 AM PST 3.11 47 - Normal
01/19/2026 09 AM PST 3.11 47 0 Normal
01/19/2026 10 AM PST 3.12 48 + Normal
01/19/2026 11 AM PST 3.11 47 - Normal
01/19/2026 12 PM PST 3.12 48 + Normal
01/19/2026 01 PM PST 3.13 50 + Normal
01/19/2026 02 PM PST 3.13 50 0 Normal
01/19/2026 03 PM PST 3.13 50 0 Normal
01/19/2026 04 PM PST 3.14 51 + Normal
01/19/2026 05 PM PST 3.13 50 - Normal
01/19/2026 06 PM PST 3.12 48 - Normal
01/19/2026 07 PM PST 3.13 50 + Normal
01/19/2026 08 PM PST 3.14 51 + Normal
01/19/2026 09 PM PST 3.14 51 0 Normal
01/19/2026 10 PM PST 3.13 50 - Normal
01/19/2026 11 PM PST 3.10 46 - Normal
01/20/2026 12 AM PST 3.10 46 0 Normal
01/20/2026 01 AM PST 3.09 44 - Normal
01/20/2026 02 AM PST 3.09 44 0 Normal
01/20/2026 03 AM PST 3.09 44 0 Normal
01/20/2026 04 AM PST 3.09 44 0 Normal
01/20/2026 05 AM PST 3.09 44 0 Normal
01/20/2026 06 AM PST 3.09 44 0 Normal
01/20/2026 07 AM PST 3.09 44 0 Normal
01/20/2026 08 AM PST 3.09 44 0 Normal
01/20/2026 09 AM PST 3.09 44 0 Normal
01/20/2026 10 AM PST 3.09 44 0 Normal
01/20/2026 11 AM PST 3.10 46 + Normal
01/20/2026 12 PM PST 3.11 47 + Normal
01/20/2026 01 PM PST 3.12 48 + Normal
01/20/2026 02 PM PST 3.13 50 + Normal
01/20/2026 03 PM PST 3.13 50 0 Normal
01/20/2026 04 PM PST 3.13 50 0 Normal
01/20/2026 05 PM PST 3.13 50 0 Normal
01/20/2026 06 PM PST 3.13 50 0 Normal
01/20/2026 07 PM PST 3.12 48 - Normal
01/20/2026 08 PM PST 3.12 48 0 Normal
01/20/2026 09 PM PST 3.10 46 - Normal
01/20/2026 10 PM PST 3.10 46 0 Normal
01/20/2026 11 PM PST 3.09 44 - Normal
01/21/2026 12 AM PST 3.09 44 0 Normal
01/21/2026 01 AM PST 3.09 44 0 Normal
01/21/2026 02 AM PST 3.09 44 0 Normal
01/21/2026 03 AM PST 3.10 46 + Normal
01/21/2026 04 AM PST 3.10 46 0 Normal
01/21/2026 05 AM PST 3.10 46 0 Normal
01/21/2026 06 AM PST 3.10 46 0 Normal
01/21/2026 07 AM PST 3.10 46 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
01/21/2026 08 AM PST 3.10 46 Normal
01/21/2026 09 AM PST 3.10 46 0 Normal
01/21/2026 10 AM PST 3.10 46 0 Normal
01/21/2026 11 AM PST 3.10 46 0 Normal
01/21/2026 12 PM PST 3.10 46 0 Normal
01/21/2026 01 PM PST 3.10 46 0 Normal
01/21/2026 02 PM PST 3.10 46 0 Normal
01/21/2026 03 PM PST 3.10 46 0 Normal
01/21/2026 04 PM PST 3.10 46 0 Normal
01/21/2026 05 PM PST 3.10 46 0 Normal
01/21/2026 06 PM PST 3.10 46 0 Normal
01/21/2026 07 PM PST 3.10 46 0 Normal
01/21/2026 08 PM PST 3.10 46 0 Normal
01/21/2026 09 PM PST 3.10 46 0 Normal
01/21/2026 10 PM PST 3.10 46 0 Normal
01/21/2026 11 PM PST 3.10 46 0 Normal
01/22/2026 12 AM PST 3.10 46 0 Normal
01/22/2026 01 AM PST 3.10 46 0 Normal
01/22/2026 02 AM PST 3.10 46 0 Normal
01/22/2026 03 AM PST 3.10 46 0 Normal
01/22/2026 04 AM PST 3.10 46 0 Normal
01/22/2026 05 AM PST 3.10 46 0 Normal
01/22/2026 06 AM PST 3.10 46 0 Normal
01/22/2026 07 AM PST 3.10 46 0 Normal
01/22/2026 08 AM PST 3.10 46 0 Normal
01/22/2026 09 AM PST 3.10 46 0 Normal
01/22/2026 10 AM PST 3.10 46 0 Normal
01/22/2026 11 AM PST 3.10 46 0 Normal
01/22/2026 12 PM PST 3.10 46 0 Normal
01/22/2026 01 PM PST 3.10 46 0 Normal
01/22/2026 02 PM PST 3.10 46 0 Normal
01/22/2026 03 PM PST 3.10 46 0 Normal
01/22/2026 04 PM PST 3.10 46 0 Normal
01/22/2026 05 PM PST 3.10 46 0 Normal
01/22/2026 06 PM PST 3.10 46 0 Normal
01/22/2026 07 PM PST 3.10 46 0 Normal
01/22/2026 08 PM PST 3.10 46 0 Normal
01/22/2026 09 PM PST 3.10 46 0 Normal
01/22/2026 10 PM PST 3.10 46 0 Normal
01/22/2026 11 PM PST 3.10 46 0 Normal
01/23/2026 12 AM PST 3.09 44 - Normal
01/23/2026 01 AM PST 3.09 44 0 Normal
01/23/2026 02 AM PST 3.09 44 0 Normal
01/23/2026 03 AM PST 3.09 44 0 Normal
01/23/2026 04 AM PST 3.09 44 0 Normal
01/23/2026 05 AM PST 3.09 44 0 Normal
01/23/2026 06 AM PST 3.09 44 0 Normal
01/23/2026 07 AM PST 3.09 44 0 Normal
01/23/2026 08 AM PST 3.09 44 0 Normal
01/23/2026 09 AM PST 3.09 44 0 Normal
01/23/2026 10 AM PST 3.09 44 0 Normal
01/23/2026 11 AM PST 3.09 44 0 Normal
01/23/2026 12 PM PST 3.09 44 0 Normal
01/23/2026 01 PM PST 3.09 44 0 Normal
01/23/2026 02 PM PST 3.09 44 0 Normal
01/23/2026 03 PM PST 3.09 44 0 Normal
01/23/2026 04 PM PST 3.09 44 0 Normal
01/23/2026 05 PM PST 3.09 44 0 Normal
01/23/2026 06 PM PST 3.09 44 0 Normal
01/23/2026 07 PM PST 3.09 44 0 Normal
01/23/2026 08 PM PST 3.09 44 0 Normal
01/23/2026 09 PM PST 3.09 44 0 Normal
01/23/2026 10 PM PST 3.09 44 0 Normal
01/23/2026 11 PM PST 3.08 43 - Normal
01/24/2026 12 AM PST 3.08 43 0 Normal
01/24/2026 01 AM PST 3.08 43 0 Normal
01/24/2026 02 AM PST 3.08 43 0 Normal
01/24/2026 03 AM PST 3.08 43 0 Normal
01/24/2026 04 AM PST 3.08 43 0 Normal
01/24/2026 05 AM PST 3.08 43 0 Normal
01/24/2026 06 AM PST 3.08 43 0 Normal
01/24/2026 07 AM PST 3.08 43 0 Normal
01/24/2026 08 AM PST 3.08 43 0 Normal
01/24/2026 09 AM PST 3.08 43 0 Normal
01/24/2026 10 AM PST 3.08 43 0 Normal
01/24/2026 11 AM PST 3.08 43 0 Normal
01/24/2026 12 PM PST 3.08 43 0 Normal
01/24/2026 01 PM PST 3.08 43 0 Normal
01/24/2026 02 PM PST 3.08 43 0 Normal
01/24/2026 03 PM PST 3.08 43 0 Normal
01/24/2026 04 PM PST 3.08 43 0 Normal
01/24/2026 05 PM PST 3.08 43 0 Normal
01/24/2026 06 PM PST 3.08 43 0 Normal
01/24/2026 07 PM PST 3.08 43 0 Normal
01/24/2026 08 PM PST 3.08 43 0 Normal
01/24/2026 09 PM PST 3.08 43 0 Normal
01/24/2026 10 PM PST 3.08 43 0 Normal
01/24/2026 11 PM PST 3.08 43 0 Normal
01/25/2026 12 AM PST 3.08 43 0 Normal
01/25/2026 01 AM PST 3.08 43 0 Normal
01/25/2026 02 AM PST 3.08 43 0 Normal
01/25/2026 03 AM PST 3.08 43 0 Normal
01/25/2026 04 AM PST 3.08 43 0 Normal
01/25/2026 05 AM PST 3.08 43 0 Normal
01/25/2026 06 AM PST 3.08 43 0 Normal
01/25/2026 07 AM PST 3.08 43 0 Normal
01/25/2026 08 AM PST 3.07 42 - Normal
01/25/2026 09 AM PST 3.07 42 0 Normal
01/25/2026 10 AM PST 3.07 42 0 Normal
01/25/2026 11 AM PST 3.07 42 0 Normal
01/25/2026 12 PM PST 3.07 42 0 Normal
01/25/2026 01 PM PST 3.07 42 0 Normal
01/25/2026 02 PM PST 3.07 42 0 Normal
01/25/2026 03 PM PST 3.07 42 0 Normal
01/25/2026 04 PM PST 3.07 42 0 Normal
01/25/2026 05 PM PST 3.07 42 0 Normal
01/25/2026 06 PM PST 3.07 42 0 Normal
01/25/2026 07 PM PST 3.07 42 0 Normal
01/25/2026 08 PM PST 3.07 42 0 Normal
01/25/2026 09 PM PST 3.07 42 0 Normal
01/25/2026 10 PM PST 3.07 42 0 Normal
01/25/2026 11 PM PST 3.07 42 0 Normal
01/26/2026 12 AM PST 3.07 42 0 Normal
01/26/2026 01 AM PST 3.07 42 0 Normal
01/26/2026 02 AM PST 3.07 42 0 Normal
01/26/2026 03 AM PST 3.07 42 0 Normal
01/26/2026 04 AM PST 3.07 42 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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