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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: | Apr 09 2026 at 7:40 AM PDT | Next Issuance: | Apr 09 2026 at 3:00 PM PDT
| |
| 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: 04/09/2026 at 07:43 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/07/2026 at 10:00 PM PDT
# Maximum Observed Stage: 3.00 Feet
# Maximum Observed Flow: 34 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/12/2026 at 04:00 AM PDT
# Maximum Forecast Stage: 4.52 Feet
# Maximum Forecast Flow: 611 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/04/2026 07 AM PDT 2.95 29 Normal
04/04/2026 08 AM PDT 2.94 28 - Normal
04/04/2026 09 AM PDT 2.94 28 0 Normal
04/04/2026 10 AM PDT 2.94 28 0 Normal
04/04/2026 11 AM PDT 2.94 28 0 Normal
04/04/2026 12 PM PDT 2.93 28 - Normal
04/04/2026 01 PM PDT 2.93 28 0 Normal
04/04/2026 02 PM PDT 2.93 28 0 Normal
04/04/2026 03 PM PDT 2.93 28 0 Normal
04/04/2026 04 PM PDT 2.93 28 0 Normal
04/04/2026 05 PM PDT 2.93 28 0 Normal
04/04/2026 06 PM PDT 2.93 28 0 Normal
04/04/2026 07 PM PDT 2.92 27 - Normal
04/04/2026 08 PM PDT 2.92 27 0 Normal
04/04/2026 09 PM PDT 2.91 26 - Normal
04/04/2026 10 PM PDT 2.91 26 0 Normal
04/04/2026 11 PM PDT 2.91 26 0 Normal
04/05/2026 12 AM PDT 2.90 25 - Normal
04/05/2026 01 AM PDT 2.90 25 0 Normal
04/05/2026 02 AM PDT 2.90 25 0 Normal
04/05/2026 03 AM PDT 2.90 25 0 Normal
04/05/2026 04 AM PDT 2.90 25 0 Normal
04/05/2026 05 AM PDT 2.90 25 0 Normal
04/05/2026 06 AM PDT 2.90 25 0 Normal
04/05/2026 07 AM PDT 2.90 25 0 Normal
04/05/2026 08 AM PDT 2.90 25 0 Normal
04/05/2026 09 AM PDT 2.91 26 + Normal
04/05/2026 10 AM PDT 2.91 26 0 Normal
04/05/2026 11 AM PDT 2.91 26 0 Normal
04/05/2026 12 PM PDT 2.92 27 + Normal
04/05/2026 01 PM PDT 2.92 27 0 Normal
04/05/2026 02 PM PDT 2.93 28 + Normal
04/05/2026 03 PM PDT 2.92 27 - Normal
04/05/2026 04 PM PDT 2.92 27 0 Normal
04/05/2026 05 PM PDT 2.92 27 0 Normal
04/05/2026 06 PM PDT 2.91 26 - Normal
04/05/2026 07 PM PDT 2.90 25 - Normal
04/05/2026 08 PM PDT 2.90 25 0 Normal
04/05/2026 09 PM PDT 2.90 25 0 Normal
04/05/2026 10 PM PDT 2.90 25 0 Normal
04/05/2026 11 PM PDT 2.90 25 0 Normal
04/06/2026 12 AM PDT 2.90 25 0 Normal
04/06/2026 01 AM PDT 2.90 25 0 Normal
04/06/2026 02 AM PDT 2.91 26 + Normal
04/06/2026 03 AM PDT 2.91 26 0 Normal
04/06/2026 04 AM PDT 2.91 26 0 Normal
04/06/2026 05 AM PDT 2.91 26 0 Normal
04/06/2026 06 AM PDT 2.91 26 0 Normal
04/06/2026 07 AM PDT 2.91 26 0 Normal
04/06/2026 08 AM PDT 2.91 26 0 Normal
04/06/2026 09 AM PDT 2.91 26 0 Normal
04/06/2026 10 AM PDT 2.91 26 0 Normal
04/06/2026 11 AM PDT 2.91 26 0 Normal
04/06/2026 12 PM PDT 2.91 26 0 Normal
04/06/2026 01 PM PDT 2.93 28 + Normal
04/06/2026 02 PM PDT 2.94 28 + Normal
04/06/2026 03 PM PDT 2.94 28 0 Normal
04/06/2026 04 PM PDT 2.94 28 0 Normal
04/06/2026 05 PM PDT 2.94 28 0 Normal
04/06/2026 06 PM PDT 2.93 28 - Normal
04/06/2026 07 PM PDT 2.92 27 - Normal
04/06/2026 08 PM PDT 2.91 26 - Normal
04/06/2026 09 PM PDT 2.91 26 0 Normal
04/06/2026 10 PM PDT 2.90 25 - Normal
04/06/2026 11 PM PDT 2.91 26 + Normal
04/07/2026 12 AM PDT 2.91 26 0 Normal
04/07/2026 01 AM PDT 2.92 27 + Normal
04/07/2026 02 AM PDT 2.93 28 + Normal
04/07/2026 03 AM PDT 2.93 28 0 Normal
04/07/2026 04 AM PDT 2.92 27 - Normal
04/07/2026 05 AM PDT 2.91 26 - Normal
04/07/2026 06 AM PDT 2.91 26 0 Normal
04/07/2026 07 AM PDT 2.91 26 0 Normal
04/07/2026 08 AM PDT 2.91 26 0 Normal
04/07/2026 09 AM PDT 2.91 26 0 Normal
04/07/2026 10 AM PDT 2.91 26 0 Normal
04/07/2026 11 AM PDT 2.91 26 0 Normal
04/07/2026 12 PM PDT 2.92 27 + Normal
04/07/2026 01 PM PDT 2.93 28 + Normal
04/07/2026 02 PM PDT 2.94 28 + Normal
04/07/2026 03 PM PDT 2.94 28 0 Normal
04/07/2026 04 PM PDT 2.94 28 0 Normal
04/07/2026 05 PM PDT 2.92 27 - Normal
04/07/2026 06 PM PDT 2.93 28 + Normal
04/07/2026 07 PM PDT 2.95 29 + Normal
04/07/2026 08 PM PDT 2.98 32 + Normal
04/07/2026 09 PM PDT 2.99 33 + Normal
04/07/2026 10 PM PDT 3.00 34 + Normal
04/07/2026 11 PM PDT 2.99 33 - Normal
04/08/2026 12 AM PDT 2.99 33 0 Normal
04/08/2026 01 AM PDT 2.97 31 - Normal
04/08/2026 02 AM PDT 2.97 31 0 Normal
04/08/2026 03 AM PDT 2.97 31 0 Normal
04/08/2026 04 AM PDT 2.97 31 0 Normal
04/08/2026 05 AM PDT 2.98 32 + Normal
04/08/2026 06 AM PDT 2.98 32 0 Normal
04/08/2026 07 AM PDT 2.98 32 0 Normal
04/08/2026 08 AM PDT 2.98 32 0 Normal
04/08/2026 09 AM PDT 2.98 32 0 Normal
04/08/2026 10 AM PDT 2.98 32 0 Normal
04/08/2026 11 AM PDT 2.98 32 0 Normal
04/08/2026 12 PM PDT 2.97 31 - Normal
04/08/2026 01 PM PDT 2.97 31 0 Normal
04/08/2026 02 PM PDT 2.97 31 0 Normal
04/08/2026 03 PM PDT 2.97 31 0 Normal
04/08/2026 04 PM PDT 2.99 33 + Normal
04/08/2026 05 PM PDT 2.98 32 - Normal
04/08/2026 06 PM PDT 2.97 31 - Normal
04/08/2026 07 PM PDT 2.96 30 - Normal
04/08/2026 08 PM PDT 2.96 30 0 Normal
04/08/2026 09 PM PDT 2.95 29 - Normal
04/08/2026 10 PM PDT 2.95 29 0 Normal
04/08/2026 11 PM PDT 2.95 29 0 Normal
04/09/2026 12 AM PDT 2.95 29 0 Normal
04/09/2026 01 AM PDT 2.95 29 0 Normal
04/09/2026 02 AM PDT 2.95 29 0 Normal
04/09/2026 03 AM PDT 2.97 31 + Normal
04/09/2026 04 AM PDT 2.99 33 + Normal
04/09/2026 05 AM PDT 2.99 33 0 Normal
04/09/2026 06 AM PDT 2.99 33 0 Normal
04/09/2026 07 AM PDT 2.98 32 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/09/2026 08 AM PDT 2.98 32 Normal
04/09/2026 09 AM PDT 2.98 32 0 Normal
04/09/2026 10 AM PDT 2.98 32 0 Normal
04/09/2026 11 AM PDT 2.97 31 - Normal
04/09/2026 12 PM PDT 2.97 31 0 Normal
04/09/2026 01 PM PDT 2.97 31 0 Normal
04/09/2026 02 PM PDT 2.97 31 0 Normal
04/09/2026 03 PM PDT 2.97 31 0 Normal
04/09/2026 04 PM PDT 2.97 31 0 Normal
04/09/2026 05 PM PDT 2.97 31 0 Normal
04/09/2026 06 PM PDT 2.97 31 0 Normal
04/09/2026 07 PM PDT 2.97 31 0 Normal
04/09/2026 08 PM PDT 2.97 31 0 Normal
04/09/2026 09 PM PDT 2.97 31 0 Normal
04/09/2026 10 PM PDT 2.96 30 - Normal
04/09/2026 11 PM PDT 2.96 30 0 Normal
04/10/2026 12 AM PDT 2.96 30 0 Normal
04/10/2026 01 AM PDT 2.97 31 + Normal
04/10/2026 02 AM PDT 2.97 31 0 Normal
04/10/2026 03 AM PDT 2.97 31 0 Normal
04/10/2026 04 AM PDT 2.97 31 0 Normal
04/10/2026 05 AM PDT 2.97 31 0 Normal
04/10/2026 06 AM PDT 2.98 32 + Normal
04/10/2026 07 AM PDT 3.02 36 + Normal
04/10/2026 08 AM PDT 3.08 43 + Normal
04/10/2026 09 AM PDT 3.15 52 + Normal
04/10/2026 10 AM PDT 3.24 66 + Normal
04/10/2026 11 AM PDT 3.33 83 + Normal
04/10/2026 12 PM PDT 3.40 98 + Normal
04/10/2026 01 PM PDT 3.43 105 + Normal
04/10/2026 02 PM PDT 3.46 113 + Normal
04/10/2026 03 PM PDT 3.49 121 + Normal
04/10/2026 04 PM PDT 3.52 129 + Normal
04/10/2026 05 PM PDT 3.55 138 + Normal
04/10/2026 06 PM PDT 3.59 150 + Normal
04/10/2026 07 PM PDT 3.63 163 + Normal
04/10/2026 08 PM PDT 3.69 184 + Normal
04/10/2026 09 PM PDT 3.77 214 + Normal
04/10/2026 10 PM PDT 3.82 235 + Normal
04/10/2026 11 PM PDT 3.85 248 + Normal
04/11/2026 12 AM PDT 3.85 248 0 Normal
04/11/2026 01 AM PDT 3.84 243 - Normal
04/11/2026 02 AM PDT 3.82 235 - Normal
04/11/2026 03 AM PDT 3.79 222 - Normal
04/11/2026 04 AM PDT 3.76 210 - Normal
04/11/2026 05 AM PDT 3.73 199 - Normal
04/11/2026 06 AM PDT 3.69 184 - Normal
04/11/2026 07 AM PDT 3.65 170 - Normal
04/11/2026 08 AM PDT 3.62 160 - Normal
04/11/2026 09 AM PDT 3.59 150 - Normal
04/11/2026 10 AM PDT 3.56 141 - Normal
04/11/2026 11 AM PDT 3.54 135 - Normal
04/11/2026 12 PM PDT 3.52 129 - Normal
04/11/2026 01 PM PDT 3.50 124 - Normal
04/11/2026 02 PM PDT 3.49 121 - Normal
04/11/2026 03 PM PDT 3.47 115 - Normal
04/11/2026 04 PM PDT 3.46 113 - Normal
04/11/2026 05 PM PDT 3.45 110 - Normal
04/11/2026 06 PM PDT 3.46 113 + Normal
04/11/2026 07 PM PDT 3.48 118 + Normal
04/11/2026 08 PM PDT 3.51 126 + Normal
04/11/2026 09 PM PDT 3.56 141 + Normal
04/11/2026 10 PM PDT 3.62 160 + Normal
04/11/2026 11 PM PDT 3.73 199 + Normal
04/12/2026 12 AM PDT 3.92 279 + Normal
04/12/2026 01 AM PDT 4.20 419 + Normal
04/12/2026 02 AM PDT 4.42 547 + Normal
04/12/2026 03 AM PDT 4.51 604 + Normal
04/12/2026 04 AM PDT 4.52 611 + Normal
04/12/2026 05 AM PDT 4.48 585 - Normal
04/12/2026 06 AM PDT 4.43 553 - Normal
04/12/2026 07 AM PDT 4.36 510 - Normal
04/12/2026 08 AM PDT 4.29 469 - Normal
04/12/2026 09 AM PDT 4.24 441 - Normal
04/12/2026 10 AM PDT 4.20 419 - Normal
04/12/2026 11 AM PDT 4.16 397 - Normal
04/12/2026 12 PM PDT 4.14 387 - Normal
04/12/2026 01 PM PDT 4.12 377 - Normal
04/12/2026 02 PM PDT 4.10 367 - Normal
04/12/2026 03 PM PDT 4.08 357 - Normal
04/12/2026 04 PM PDT 4.06 347 - Normal
04/12/2026 05 PM PDT 4.04 337 - Normal
04/12/2026 06 PM PDT 4.02 327 - Normal
04/12/2026 07 PM PDT 4.01 322 - Normal
04/12/2026 08 PM PDT 4.00 317 - Normal
04/12/2026 09 PM PDT 3.99 312 - Normal
04/12/2026 10 PM PDT 3.97 302 - Normal
04/12/2026 11 PM PDT 3.95 293 - Normal
04/13/2026 12 AM PDT 3.91 275 - Normal
04/13/2026 01 AM PDT 3.87 257 - Normal
04/13/2026 02 AM PDT 3.83 239 - Normal
04/13/2026 03 AM PDT 3.78 218 - Normal
04/13/2026 04 AM PDT 3.73 199 - Normal
04/13/2026 05 AM PDT 3.68 181 - Normal
04/13/2026 06 AM PDT 3.63 163 - Normal
04/13/2026 07 AM PDT 3.58 147 - Normal
04/13/2026 08 AM PDT 3.53 132 - Normal
04/13/2026 09 AM PDT 3.49 121 - Normal
04/13/2026 10 AM PDT 3.45 110 - Normal
04/13/2026 11 AM PDT 3.41 101 - Normal
04/13/2026 12 PM PDT 3.37 92 - Normal
04/13/2026 01 PM PDT 3.33 83 - Normal
04/13/2026 02 PM PDT 3.29 76 - Normal
04/13/2026 03 PM PDT 3.25 68 - Normal
04/13/2026 04 PM PDT 3.23 65 - Normal
04/13/2026 05 PM PDT 3.20 60 - Normal
04/13/2026 06 PM PDT 3.17 55 - Normal
04/13/2026 07 PM PDT 3.14 51 - Normal
04/13/2026 08 PM PDT 3.11 47 - Normal
04/13/2026 09 PM PDT 3.09 44 - Normal
04/13/2026 10 PM PDT 3.07 42 - Normal
04/13/2026 11 PM PDT 3.05 40 - Normal
04/14/2026 12 AM PDT 3.03 37 - Normal
04/14/2026 01 AM PDT 3.01 35 - Normal
04/14/2026 02 AM PDT 3.00 34 - Normal
04/14/2026 03 AM PDT 2.99 33 - Normal
04/14/2026 04 AM PDT 2.98 32 - Normal
04/14/2026 05 AM PDT 2.97 31 - 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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