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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 02 2026 at 1:11 PM PDT | Next Issuance: | Apr 03 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: 04/02/2026 at 01:11 PM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 03/28/2026 at 08:00 PM PDT
# Maximum Observed Stage: 0.95 Feet
# Maximum Observed Flow: 445 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/02/2026 at 10:00 PM PDT
# Maximum Forecast Stage: 0.94 Feet
# Maximum Forecast Flow: 442 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
03/28/2026 01 PM PDT 0.95 445 Normal
03/28/2026 02 PM PDT 0.95 445 0 Normal
03/28/2026 03 PM PDT 0.95 445 0 Normal
03/28/2026 04 PM PDT 0.94 442 - Normal
03/28/2026 05 PM PDT 0.95 445 + Normal
03/28/2026 06 PM PDT 0.95 445 0 Normal
03/28/2026 07 PM PDT 0.95 445 0 Normal
03/28/2026 08 PM PDT 0.95 445 0 Normal
03/28/2026 09 PM PDT 0.94 442 - Normal
03/28/2026 10 PM PDT 0.94 442 0 Normal
03/28/2026 11 PM PDT 0.94 442 0 Normal
03/29/2026 12 AM PDT 0.93 438 - Normal
03/29/2026 01 AM PDT 0.93 438 0 Normal
03/29/2026 02 AM PDT 0.93 438 0 Normal
03/29/2026 03 AM PDT 0.92 435 - Normal
03/29/2026 04 AM PDT 0.92 435 0 Normal
03/29/2026 05 AM PDT 0.92 435 0 Normal
03/29/2026 06 AM PDT 0.92 435 0 Normal
03/29/2026 07 AM PDT 0.92 435 0 Normal
03/29/2026 08 AM PDT 0.92 435 0 Normal
03/29/2026 09 AM PDT 0.92 435 0 Normal
03/29/2026 10 AM PDT 0.92 435 0 Normal
03/29/2026 11 AM PDT 0.92 435 0 Normal
03/29/2026 12 PM PDT 0.92 435 0 Normal
03/29/2026 01 PM PDT 0.92 435 0 Normal
03/29/2026 02 PM PDT 0.92 435 0 Normal
03/29/2026 03 PM PDT 0.92 435 0 Normal
03/29/2026 04 PM PDT 0.92 435 0 Normal
03/29/2026 05 PM PDT 0.92 435 0 Normal
03/29/2026 06 PM PDT 0.91 431 - Normal
03/29/2026 07 PM PDT 0.92 435 + Normal
03/29/2026 08 PM PDT 0.91 431 - Normal
03/29/2026 09 PM PDT 0.91 431 0 Normal
03/29/2026 10 PM PDT 0.91 431 0 Normal
03/29/2026 11 PM PDT 0.90 428 - Normal
03/30/2026 12 AM PDT 0.89 424 - Normal
03/30/2026 01 AM PDT 0.90 428 + Normal
03/30/2026 02 AM PDT 0.89 424 - Normal
03/30/2026 03 AM PDT 0.90 428 + Normal
03/30/2026 04 AM PDT 0.89 424 - Normal
03/30/2026 05 AM PDT 0.90 428 + Normal
03/30/2026 06 AM PDT 0.89 424 - Normal
03/30/2026 07 AM PDT 0.89 424 0 Normal
03/30/2026 08 AM PDT 0.89 424 0 Normal
03/30/2026 09 AM PDT 0.89 424 0 Normal
03/30/2026 10 AM PDT 0.89 424 0 Normal
03/30/2026 11 AM PDT 0.89 424 0 Normal
03/30/2026 12 PM PDT 0.89 424 0 Normal
03/30/2026 01 PM PDT 0.89 424 0 Normal
03/30/2026 02 PM PDT 0.89 424 0 Normal
03/30/2026 03 PM PDT 0.89 424 0 Normal
03/30/2026 04 PM PDT 0.89 424 0 Normal
03/30/2026 05 PM PDT 0.89 424 0 Normal
03/30/2026 06 PM PDT 0.89 424 0 Normal
03/30/2026 07 PM PDT 0.89 424 0 Normal
03/30/2026 08 PM PDT 0.88 421 - Normal
03/30/2026 09 PM PDT 0.88 421 0 Normal
03/30/2026 10 PM PDT 0.88 421 0 Normal
03/30/2026 11 PM PDT 0.88 421 0 Normal
03/31/2026 12 AM PDT 0.88 421 0 Normal
03/31/2026 01 AM PDT 0.87 417 - Normal
03/31/2026 02 AM PDT 0.88 421 + Normal
03/31/2026 03 AM PDT 0.87 417 - Normal
03/31/2026 04 AM PDT 0.87 417 0 Normal
03/31/2026 05 AM PDT 0.87 417 0 Normal
03/31/2026 06 AM PDT 0.88 421 + Normal
03/31/2026 07 AM PDT 0.87 417 - Normal
03/31/2026 08 AM PDT 0.88 421 + Normal
03/31/2026 09 AM PDT 0.88 421 0 Normal
03/31/2026 10 AM PDT 0.87 417 - Normal
03/31/2026 11 AM PDT 0.88 421 + Normal
03/31/2026 12 PM PDT 0.88 421 0 Normal
03/31/2026 01 PM PDT 0.88 421 0 Normal
03/31/2026 02 PM PDT 0.88 421 0 Normal
03/31/2026 03 PM PDT 0.88 421 0 Normal
03/31/2026 04 PM PDT 0.87 417 - Normal
03/31/2026 05 PM PDT 0.88 421 + Normal
03/31/2026 06 PM PDT 0.89 424 + Normal
03/31/2026 07 PM PDT 0.89 424 0 Normal
03/31/2026 08 PM PDT 0.89 424 0 Normal
03/31/2026 09 PM PDT 0.89 424 0 Normal
03/31/2026 10 PM PDT 0.89 424 0 Normal
03/31/2026 11 PM PDT 0.90 428 + Normal
04/01/2026 12 AM PDT 0.89 424 - Normal
04/01/2026 01 AM PDT 0.90 428 + Normal
04/01/2026 02 AM PDT 0.90 428 0 Normal
04/01/2026 03 AM PDT 0.90 428 0 Normal
04/01/2026 04 AM PDT 0.91 431 + Normal
04/01/2026 05 AM PDT 0.91 431 0 Normal
04/01/2026 06 AM PDT 0.91 431 0 Normal
04/01/2026 07 AM PDT 0.91 431 0 Normal
04/01/2026 08 AM PDT 0.91 431 0 Normal
04/01/2026 09 AM PDT 0.92 435 + Normal
04/01/2026 10 AM PDT 0.91 431 - Normal
04/01/2026 11 AM PDT 0.91 431 0 Normal
04/01/2026 12 PM PDT 0.91 431 0 Normal
04/01/2026 01 PM PDT 0.91 431 0 Normal
04/01/2026 02 PM PDT 0.91 431 0 Normal
04/01/2026 03 PM PDT 0.91 431 0 Normal
04/01/2026 04 PM PDT 0.91 431 0 Normal
04/01/2026 05 PM PDT 0.91 431 0 Normal
04/01/2026 06 PM PDT 0.91 431 0 Normal
04/01/2026 07 PM PDT 0.92 435 + Normal
04/01/2026 08 PM PDT 0.92 435 0 Normal
04/01/2026 09 PM PDT 0.91 431 - Normal
04/01/2026 10 PM PDT 0.92 435 + Normal
04/01/2026 11 PM PDT 0.92 435 0 Normal
04/02/2026 12 AM PDT 0.92 435 0 Normal
04/02/2026 01 AM PDT 0.92 435 0 Normal
04/02/2026 02 AM PDT 0.92 435 0 Normal
04/02/2026 03 AM PDT 0.91 431 - Normal
04/02/2026 04 AM PDT 0.91 431 0 Normal
04/02/2026 05 AM PDT 0.92 435 + Normal
04/02/2026 06 AM PDT 0.91 431 - Normal
04/02/2026 07 AM PDT 0.91 431 0 Normal
04/02/2026 08 AM PDT 0.92 435 + Normal
04/02/2026 09 AM PDT 0.91 431 - Normal
04/02/2026 10 AM PDT 0.92 435 + Normal
04/02/2026 11 AM PDT 0.92 435 0 Normal
04/02/2026 12 PM PDT 0.92 435 0 Normal
04/02/2026 01 PM PDT 0.92 435 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/02/2026 02 PM PDT 0.92 435 Normal
04/02/2026 03 PM PDT 0.92 435 0 Normal
04/02/2026 04 PM PDT 0.92 435 0 Normal
04/02/2026 05 PM PDT 0.93 438 + Normal
04/02/2026 06 PM PDT 0.93 438 0 Normal
04/02/2026 07 PM PDT 0.93 438 0 Normal
04/02/2026 08 PM PDT 0.93 438 0 Normal
04/02/2026 09 PM PDT 0.93 438 0 Normal
04/02/2026 10 PM PDT 0.94 442 + Normal
04/02/2026 11 PM PDT 0.94 442 0 Normal
04/03/2026 12 AM PDT 0.94 442 0 Normal
04/03/2026 01 AM PDT 0.94 442 0 Normal
04/03/2026 02 AM PDT 0.94 442 0 Normal
04/03/2026 03 AM PDT 0.94 442 0 Normal
04/03/2026 04 AM PDT 0.94 442 0 Normal
04/03/2026 05 AM PDT 0.94 442 0 Normal
04/03/2026 06 AM PDT 0.93 438 - Normal
04/03/2026 07 AM PDT 0.93 438 0 Normal
04/03/2026 08 AM PDT 0.93 438 0 Normal
04/03/2026 09 AM PDT 0.93 438 0 Normal
04/03/2026 10 AM PDT 0.93 438 0 Normal
04/03/2026 11 AM PDT 0.93 438 0 Normal
04/03/2026 12 PM PDT 0.92 435 - Normal
04/03/2026 01 PM PDT 0.92 435 0 Normal
04/03/2026 02 PM PDT 0.92 435 0 Normal
04/03/2026 03 PM PDT 0.92 435 0 Normal
04/03/2026 04 PM PDT 0.92 435 0 Normal
04/03/2026 05 PM PDT 0.92 435 0 Normal
04/03/2026 06 PM PDT 0.91 431 - Normal
04/03/2026 07 PM PDT 0.91 431 0 Normal
04/03/2026 08 PM PDT 0.91 431 0 Normal
04/03/2026 09 PM PDT 0.91 431 0 Normal
04/03/2026 10 PM PDT 0.91 431 0 Normal
04/03/2026 11 PM PDT 0.91 431 0 Normal
04/04/2026 12 AM PDT 0.90 428 - Normal
04/04/2026 01 AM PDT 0.90 428 0 Normal
04/04/2026 02 AM PDT 0.90 428 0 Normal
04/04/2026 03 AM PDT 0.90 428 0 Normal
04/04/2026 04 AM PDT 0.90 428 0 Normal
04/04/2026 05 AM PDT 0.90 428 0 Normal
04/04/2026 06 AM PDT 0.90 428 0 Normal
04/04/2026 07 AM PDT 0.89 424 - Normal
04/04/2026 08 AM PDT 0.89 424 0 Normal
04/04/2026 09 AM PDT 0.89 424 0 Normal
04/04/2026 10 AM PDT 0.89 424 0 Normal
04/04/2026 11 AM PDT 0.89 424 0 Normal
04/04/2026 12 PM PDT 0.89 424 0 Normal
04/04/2026 01 PM PDT 0.89 424 0 Normal
04/04/2026 02 PM PDT 0.89 424 0 Normal
04/04/2026 03 PM PDT 0.88 421 - Normal
04/04/2026 04 PM PDT 0.88 421 0 Normal
04/04/2026 05 PM PDT 0.88 421 0 Normal
04/04/2026 06 PM PDT 0.88 421 0 Normal
04/04/2026 07 PM PDT 0.88 421 0 Normal
04/04/2026 08 PM PDT 0.88 421 0 Normal
04/04/2026 09 PM PDT 0.88 421 0 Normal
04/04/2026 10 PM PDT 0.88 421 0 Normal
04/04/2026 11 PM PDT 0.88 421 0 Normal
04/05/2026 12 AM PDT 0.88 421 0 Normal
04/05/2026 01 AM PDT 0.87 417 - Normal
04/05/2026 02 AM PDT 0.87 417 0 Normal
04/05/2026 03 AM PDT 0.87 417 0 Normal
04/05/2026 04 AM PDT 0.87 417 0 Normal
04/05/2026 05 AM PDT 0.87 417 0 Normal
04/05/2026 06 AM PDT 0.87 417 0 Normal
04/05/2026 07 AM PDT 0.87 417 0 Normal
04/05/2026 08 AM PDT 0.87 417 0 Normal
04/05/2026 09 AM PDT 0.87 417 0 Normal
04/05/2026 10 AM PDT 0.87 417 0 Normal
04/05/2026 11 AM PDT 0.87 417 0 Normal
04/05/2026 12 PM PDT 0.87 417 0 Normal
04/05/2026 01 PM PDT 0.87 417 0 Normal
04/05/2026 02 PM PDT 0.86 414 - Normal
04/05/2026 03 PM PDT 0.86 414 0 Normal
04/05/2026 04 PM PDT 0.86 414 0 Normal
04/05/2026 05 PM PDT 0.86 414 0 Normal
04/05/2026 06 PM PDT 0.86 414 0 Normal
04/05/2026 07 PM PDT 0.86 414 0 Normal
04/05/2026 08 PM PDT 0.86 414 0 Normal
04/05/2026 09 PM PDT 0.86 414 0 Normal
04/05/2026 10 PM PDT 0.86 414 0 Normal
04/05/2026 11 PM PDT 0.86 414 0 Normal
04/06/2026 12 AM PDT 0.86 414 0 Normal
04/06/2026 01 AM PDT 0.86 414 0 Normal
04/06/2026 02 AM PDT 0.86 414 0 Normal
04/06/2026 03 AM PDT 0.86 414 0 Normal
04/06/2026 04 AM PDT 0.86 414 0 Normal
04/06/2026 05 AM PDT 0.86 414 0 Normal
04/06/2026 06 AM PDT 0.86 414 0 Normal
04/06/2026 07 AM PDT 0.85 410 - Normal
04/06/2026 08 AM PDT 0.85 410 0 Normal
04/06/2026 09 AM PDT 0.85 410 0 Normal
04/06/2026 10 AM PDT 0.85 410 0 Normal
04/06/2026 11 AM PDT 0.85 410 0 Normal
04/06/2026 12 PM PDT 0.85 410 0 Normal
04/06/2026 01 PM PDT 0.85 410 0 Normal
04/06/2026 02 PM PDT 0.85 410 0 Normal
04/06/2026 03 PM PDT 0.85 410 0 Normal
04/06/2026 04 PM PDT 0.85 410 0 Normal
04/06/2026 05 PM PDT 0.85 410 0 Normal
04/06/2026 06 PM PDT 0.85 410 0 Normal
04/06/2026 07 PM PDT 0.85 410 0 Normal
04/06/2026 08 PM PDT 0.85 410 0 Normal
04/06/2026 09 PM PDT 0.85 410 0 Normal
04/06/2026 10 PM PDT 0.85 410 0 Normal
04/06/2026 11 PM PDT 0.84 407 - Normal
04/07/2026 12 AM PDT 0.84 407 0 Normal
04/07/2026 01 AM PDT 0.84 407 0 Normal
04/07/2026 02 AM PDT 0.84 407 0 Normal
04/07/2026 03 AM PDT 0.84 407 0 Normal
04/07/2026 04 AM PDT 0.84 407 0 Normal
04/07/2026 05 AM PDT 0.84 407 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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