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RUSSIAN RIVER - HEALDSBURG (HEAC1)
| Latitude: 38.61º N | Longitude: 122.84º W | Elevation: 77 Feet | | Forecast Type: Official Location |
| Location: Sonoma County in California | Bulletin Group: Russian Napa | River Group: Russian Napa |
| Issuance Time: | Apr 09 2026 at 12:58 PM PDT | Next Issuance: | Apr 10 2026 at 9:00 AM PDT
| |
| Action/Monitor: 20.0 Feet | Minor Flood: 23.0 Feet | Moderate Flood: 27.0 Feet | Major Flood: 29.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Russian River - Healdsburg (HEAC1)
#
# File Generation Time: 04/09/2026 at 12:58 PM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/04/2026 at 05:00 PM PDT
# Maximum Observed Stage: 0.86 Feet
# Maximum Observed Flow: 414 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/13/2026 at 12:00 AM PDT
# Maximum Forecast Stage: 2.37 Feet
# Maximum Forecast Flow: 1132 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/04/2026 12 PM PDT 0.86 414 Normal
04/04/2026 01 PM PDT 0.86 414 0 Normal
04/04/2026 02 PM PDT 0.86 414 0 Normal
04/04/2026 03 PM PDT 0.86 414 0 Normal
04/04/2026 04 PM PDT 0.86 414 0 Normal
04/04/2026 05 PM PDT 0.86 414 0 Normal
04/04/2026 06 PM PDT 0.85 410 - Normal
04/04/2026 07 PM PDT 0.85 410 0 Normal
04/04/2026 08 PM PDT 0.85 410 0 Normal
04/04/2026 09 PM PDT 0.85 410 0 Normal
04/04/2026 10 PM PDT 0.84 407 - Normal
04/04/2026 11 PM PDT 0.84 407 0 Normal
04/05/2026 12 AM PDT 0.84 407 0 Normal
04/05/2026 01 AM PDT 0.83 404 - Normal
04/05/2026 02 AM PDT 0.83 404 0 Normal
04/05/2026 03 AM PDT 0.83 404 0 Normal
04/05/2026 04 AM PDT 0.83 404 0 Normal
04/05/2026 05 AM PDT 0.83 404 0 Normal
04/05/2026 06 AM PDT 0.83 404 0 Normal
04/05/2026 07 AM PDT 0.83 404 0 Normal
04/05/2026 08 AM PDT 0.83 404 0 Normal
04/05/2026 09 AM PDT 0.83 404 0 Normal
04/05/2026 10 AM PDT 0.83 404 0 Normal
04/05/2026 11 AM PDT 0.83 404 0 Normal
04/05/2026 12 PM PDT 0.83 404 0 Normal
04/05/2026 01 PM PDT 0.83 404 0 Normal
04/05/2026 02 PM PDT 0.83 404 0 Normal
04/05/2026 03 PM PDT 0.83 404 0 Normal
04/05/2026 04 PM PDT 0.83 404 0 Normal
04/05/2026 05 PM PDT 0.83 404 0 Normal
04/05/2026 06 PM PDT 0.83 404 0 Normal
04/05/2026 07 PM PDT 0.83 404 0 Normal
04/05/2026 08 PM PDT 0.83 404 0 Normal
04/05/2026 09 PM PDT 0.83 404 0 Normal
04/05/2026 10 PM PDT 0.83 404 0 Normal
04/05/2026 11 PM PDT 0.83 404 0 Normal
04/06/2026 12 AM PDT 0.82 400 - Normal
04/06/2026 01 AM PDT 0.82 400 0 Normal
04/06/2026 02 AM PDT 0.82 400 0 Normal
04/06/2026 03 AM PDT 0.82 400 0 Normal
04/06/2026 04 AM PDT 0.81 397 - Normal
04/06/2026 05 AM PDT 0.82 400 + Normal
04/06/2026 06 AM PDT 0.82 400 0 Normal
04/06/2026 07 AM PDT 0.82 400 0 Normal
04/06/2026 08 AM PDT 0.82 400 0 Normal
04/06/2026 09 AM PDT 0.82 400 0 Normal
04/06/2026 10 AM PDT 0.82 400 0 Normal
04/06/2026 11 AM PDT 0.82 400 0 Normal
04/06/2026 12 PM PDT 0.81 397 - Normal
04/06/2026 01 PM PDT 0.82 400 + Normal
04/06/2026 02 PM PDT 0.82 400 0 Normal
04/06/2026 03 PM PDT 0.81 397 - Normal
04/06/2026 04 PM PDT 0.82 400 + Normal
04/06/2026 05 PM PDT 0.81 397 - Normal
04/06/2026 06 PM PDT 0.81 397 0 Normal
04/06/2026 07 PM PDT 0.81 397 0 Normal
04/06/2026 08 PM PDT 0.81 397 0 Normal
04/06/2026 09 PM PDT 0.81 397 0 Normal
04/06/2026 10 PM PDT 0.81 397 0 Normal
04/06/2026 11 PM PDT 0.81 397 0 Normal
04/07/2026 12 AM PDT 0.81 397 0 Normal
04/07/2026 01 AM PDT 0.81 397 0 Normal
04/07/2026 02 AM PDT 0.80 393 - Normal
04/07/2026 03 AM PDT 0.81 397 + Normal
04/07/2026 04 AM PDT 0.80 393 - Normal
04/07/2026 05 AM PDT 0.80 393 0 Normal
04/07/2026 06 AM PDT 0.80 393 0 Normal
04/07/2026 07 AM PDT 0.80 393 0 Normal
04/07/2026 08 AM PDT 0.80 393 0 Normal
04/07/2026 09 AM PDT 0.80 393 0 Normal
04/07/2026 10 AM PDT 0.80 393 0 Normal
04/07/2026 11 AM PDT 0.80 393 0 Normal
04/07/2026 12 PM PDT 0.80 393 0 Normal
04/07/2026 01 PM PDT 0.80 393 0 Normal
04/07/2026 02 PM PDT 0.80 393 0 Normal
04/07/2026 03 PM PDT 0.80 393 0 Normal
04/07/2026 04 PM PDT 0.80 393 0 Normal
04/07/2026 05 PM PDT 0.80 393 0 Normal
04/07/2026 06 PM PDT 0.80 393 0 Normal
04/07/2026 07 PM PDT 0.80 393 0 Normal
04/07/2026 08 PM PDT 0.79 390 - Normal
04/07/2026 09 PM PDT 0.80 393 + Normal
04/07/2026 10 PM PDT 0.79 390 - Normal
04/07/2026 11 PM PDT 0.79 390 0 Normal
04/08/2026 12 AM PDT 0.79 390 0 Normal
04/08/2026 01 AM PDT 0.79 390 0 Normal
04/08/2026 02 AM PDT 0.79 390 0 Normal
04/08/2026 03 AM PDT 0.79 390 0 Normal
04/08/2026 04 AM PDT 0.78 387 - Normal
04/08/2026 05 AM PDT 0.79 390 + Normal
04/08/2026 06 AM PDT 0.79 390 0 Normal
04/08/2026 07 AM PDT 0.78 387 - Normal
04/08/2026 08 AM PDT 0.78 387 0 Normal
04/08/2026 09 AM PDT 0.78 387 0 Normal
04/08/2026 10 AM PDT 0.79 390 + Normal
04/08/2026 11 AM PDT 0.78 387 - Normal
04/08/2026 12 PM PDT 0.78 387 0 Normal
04/08/2026 01 PM PDT 0.78 387 0 Normal
04/08/2026 02 PM PDT 0.78 387 0 Normal
04/08/2026 03 PM PDT 0.79 390 + Normal
04/08/2026 04 PM PDT 0.78 387 - Normal
04/08/2026 05 PM PDT 0.78 387 0 Normal
04/08/2026 06 PM PDT 0.78 387 0 Normal
04/08/2026 07 PM PDT 0.78 387 0 Normal
04/08/2026 08 PM PDT 0.78 387 0 Normal
04/08/2026 09 PM PDT 0.78 387 0 Normal
04/08/2026 10 PM PDT 0.77 383 - Normal
04/08/2026 11 PM PDT 0.77 383 0 Normal
04/09/2026 12 AM PDT 0.77 383 0 Normal
04/09/2026 01 AM PDT 0.77 383 0 Normal
04/09/2026 02 AM PDT 0.77 383 0 Normal
04/09/2026 03 AM PDT 0.77 383 0 Normal
04/09/2026 04 AM PDT 0.76 380 - Normal
04/09/2026 05 AM PDT 0.76 380 0 Normal
04/09/2026 06 AM PDT 0.76 380 0 Normal
04/09/2026 07 AM PDT 0.76 380 0 Normal
04/09/2026 08 AM PDT 0.76 380 0 Normal
04/09/2026 09 AM PDT 0.76 380 0 Normal
04/09/2026 10 AM PDT 0.76 380 0 Normal
04/09/2026 11 AM PDT 0.76 380 0 Normal
04/09/2026 12 PM PDT 0.76 380 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/09/2026 01 PM PDT 0.76 380 Normal
04/09/2026 02 PM PDT 0.76 380 0 Normal
04/09/2026 03 PM PDT 0.76 380 0 Normal
04/09/2026 04 PM PDT 0.76 380 0 Normal
04/09/2026 05 PM PDT 0.76 380 0 Normal
04/09/2026 06 PM PDT 0.76 380 0 Normal
04/09/2026 07 PM PDT 0.76 380 0 Normal
04/09/2026 08 PM PDT 0.76 380 0 Normal
04/09/2026 09 PM PDT 0.76 380 0 Normal
04/09/2026 10 PM PDT 0.76 380 0 Normal
04/09/2026 11 PM PDT 0.76 380 0 Normal
04/10/2026 12 AM PDT 0.76 380 0 Normal
04/10/2026 01 AM PDT 0.76 380 0 Normal
04/10/2026 02 AM PDT 0.76 380 0 Normal
04/10/2026 03 AM PDT 0.76 380 0 Normal
04/10/2026 04 AM PDT 0.76 380 0 Normal
04/10/2026 05 AM PDT 0.76 380 0 Normal
04/10/2026 06 AM PDT 0.76 380 0 Normal
04/10/2026 07 AM PDT 0.76 380 0 Normal
04/10/2026 08 AM PDT 0.77 383 + Normal
04/10/2026 09 AM PDT 0.77 383 0 Normal
04/10/2026 10 AM PDT 0.77 383 0 Normal
04/10/2026 11 AM PDT 0.77 383 0 Normal
04/10/2026 12 PM PDT 0.77 383 0 Normal
04/10/2026 01 PM PDT 0.78 387 + Normal
04/10/2026 02 PM PDT 0.78 387 0 Normal
04/10/2026 03 PM PDT 0.79 390 + Normal
04/10/2026 04 PM PDT 0.79 390 0 Normal
04/10/2026 05 PM PDT 0.80 393 + Normal
04/10/2026 06 PM PDT 0.80 393 0 Normal
04/10/2026 07 PM PDT 0.81 397 + Normal
04/10/2026 08 PM PDT 0.81 397 0 Normal
04/10/2026 09 PM PDT 0.82 400 + Normal
04/10/2026 10 PM PDT 0.83 404 + Normal
04/10/2026 11 PM PDT 0.83 404 0 Normal
04/11/2026 12 AM PDT 0.84 407 + Normal
04/11/2026 01 AM PDT 0.84 407 0 Normal
04/11/2026 02 AM PDT 0.85 410 + Normal
04/11/2026 03 AM PDT 0.85 410 0 Normal
04/11/2026 04 AM PDT 0.85 410 0 Normal
04/11/2026 05 AM PDT 0.85 410 0 Normal
04/11/2026 06 AM PDT 0.85 410 0 Normal
04/11/2026 07 AM PDT 0.86 414 + Normal
04/11/2026 08 AM PDT 0.86 414 0 Normal
04/11/2026 09 AM PDT 0.86 414 0 Normal
04/11/2026 10 AM PDT 0.86 414 0 Normal
04/11/2026 11 AM PDT 0.86 414 0 Normal
04/11/2026 12 PM PDT 0.86 414 0 Normal
04/11/2026 01 PM PDT 0.86 414 0 Normal
04/11/2026 02 PM PDT 0.87 417 + Normal
04/11/2026 03 PM PDT 0.87 417 0 Normal
04/11/2026 04 PM PDT 0.87 417 0 Normal
04/11/2026 05 PM PDT 0.88 421 + Normal
04/11/2026 06 PM PDT 0.88 421 0 Normal
04/11/2026 07 PM PDT 0.89 424 + Normal
04/11/2026 08 PM PDT 0.90 428 + Normal
04/11/2026 09 PM PDT 0.92 435 + Normal
04/11/2026 10 PM PDT 0.93 438 + Normal
04/11/2026 11 PM PDT 0.96 449 + Normal
04/12/2026 12 AM PDT 1.00 463 + Normal
04/12/2026 01 AM PDT 1.06 485 + Normal
04/12/2026 02 AM PDT 1.13 511 + Normal
04/12/2026 03 AM PDT 1.20 537 + Normal
04/12/2026 04 AM PDT 1.26 561 + Normal
04/12/2026 05 AM PDT 1.33 588 + Normal
04/12/2026 06 AM PDT 1.39 613 + Normal
04/12/2026 07 AM PDT 1.45 637 + Normal
04/12/2026 08 AM PDT 1.51 662 + Normal
04/12/2026 09 AM PDT 1.59 696 + Normal
04/12/2026 10 AM PDT 1.66 726 + Normal
04/12/2026 11 AM PDT 1.72 755 + Normal
04/12/2026 12 PM PDT 1.77 783 + Normal
04/12/2026 01 PM PDT 1.83 816 + Normal
04/12/2026 02 PM PDT 1.89 849 + Normal
04/12/2026 03 PM PDT 1.96 888 + Normal
04/12/2026 04 PM PDT 2.03 928 + Normal
04/12/2026 05 PM PDT 2.10 968 + Normal
04/12/2026 06 PM PDT 2.15 998 + Normal
04/12/2026 07 PM PDT 2.21 1034 + Normal
04/12/2026 08 PM PDT 2.26 1064 + Normal
04/12/2026 09 PM PDT 2.30 1088 + Normal
04/12/2026 10 PM PDT 2.34 1113 + Normal
04/12/2026 11 PM PDT 2.36 1126 + Normal
04/13/2026 12 AM PDT 2.37 1132 + Normal
04/13/2026 01 AM PDT 2.35 1119 - Normal
04/13/2026 02 AM PDT 2.31 1095 - Normal
04/13/2026 03 AM PDT 2.26 1064 - Normal
04/13/2026 04 AM PDT 2.19 1022 - Normal
04/13/2026 05 AM PDT 2.13 986 - Normal
04/13/2026 06 AM PDT 2.07 951 - Normal
04/13/2026 07 AM PDT 2.00 911 - Normal
04/13/2026 08 AM PDT 1.93 871 - Normal
04/13/2026 09 AM PDT 1.85 827 - Normal
04/13/2026 10 AM PDT 1.78 789 - Normal
04/13/2026 11 AM PDT 1.71 750 - Normal
04/13/2026 12 PM PDT 1.64 718 - Normal
04/13/2026 01 PM PDT 1.56 683 - Normal
04/13/2026 02 PM PDT 1.49 654 - Normal
04/13/2026 03 PM PDT 1.43 629 - Normal
04/13/2026 04 PM PDT 1.37 604 - Normal
04/13/2026 05 PM PDT 1.31 580 - Normal
04/13/2026 06 PM PDT 1.26 561 - Normal
04/13/2026 07 PM PDT 1.22 545 - Normal
04/13/2026 08 PM PDT 1.18 530 - Normal
04/13/2026 09 PM PDT 1.14 515 - Normal
04/13/2026 10 PM PDT 1.11 503 - Normal
04/13/2026 11 PM PDT 1.09 496 - Normal
04/14/2026 12 AM PDT 1.07 489 - Normal
04/14/2026 01 AM PDT 1.05 481 - Normal
04/14/2026 02 AM PDT 1.04 478 - Normal
04/14/2026 03 AM PDT 1.03 474 - Normal
04/14/2026 04 AM PDT 1.03 474 0 Normal
04/14/2026 05 AM PDT 1.03 474 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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