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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: | Mar 23 2026 at 1:07 PM PDT | Next Issuance: | Mar 24 2026 at 9:00 AM PDT
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| 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: 03/23/2026 at 01:08 PM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 03/18/2026 at 04:00 PM PDT
# Maximum Observed Stage: 1.42 Feet
# Maximum Observed Flow: 625 cfs
#
# Earliest Date & Time of Maximum Forecast: 03/23/2026 at 02:00 PM PDT
# Maximum Forecast Stage: 1.15 Feet
# Maximum Forecast Flow: 518 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
03/18/2026 01 PM PDT 1.42 625 Normal
03/18/2026 02 PM PDT 1.42 625 0 Normal
03/18/2026 03 PM PDT 1.42 625 0 Normal
03/18/2026 04 PM PDT 1.42 625 0 Normal
03/18/2026 05 PM PDT 1.41 621 - Normal
03/18/2026 06 PM PDT 1.41 621 0 Normal
03/18/2026 07 PM PDT 1.41 621 0 Normal
03/18/2026 08 PM PDT 1.40 617 - Normal
03/18/2026 09 PM PDT 1.40 617 0 Normal
03/18/2026 10 PM PDT 1.40 617 0 Normal
03/18/2026 11 PM PDT 1.39 613 - Normal
03/19/2026 12 AM PDT 1.39 613 0 Normal
03/19/2026 01 AM PDT 1.39 613 0 Normal
03/19/2026 02 AM PDT 1.38 608 - Normal
03/19/2026 03 AM PDT 1.38 608 0 Normal
03/19/2026 04 AM PDT 1.38 608 0 Normal
03/19/2026 05 AM PDT 1.37 604 - Normal
03/19/2026 06 AM PDT 1.37 604 0 Normal
03/19/2026 07 AM PDT 1.37 604 0 Normal
03/19/2026 08 AM PDT 1.37 604 0 Normal
03/19/2026 09 AM PDT 1.36 600 - Normal
03/19/2026 10 AM PDT 1.36 600 0 Normal
03/19/2026 11 AM PDT 1.36 600 0 Normal
03/19/2026 12 PM PDT 1.35 596 - Normal
03/19/2026 01 PM PDT 1.36 600 + Normal
03/19/2026 02 PM PDT 1.36 600 0 Normal
03/19/2026 03 PM PDT 1.35 596 - Normal
03/19/2026 04 PM PDT 1.36 600 + Normal
03/19/2026 05 PM PDT 1.34 592 - Normal
03/19/2026 06 PM PDT 1.34 592 0 Normal
03/19/2026 07 PM PDT 1.34 592 0 Normal
03/19/2026 08 PM PDT 1.33 588 - Normal
03/19/2026 09 PM PDT 1.33 588 0 Normal
03/19/2026 10 PM PDT 1.33 588 0 Normal
03/19/2026 11 PM PDT 1.33 588 0 Normal
03/20/2026 12 AM PDT 1.32 584 - Normal
03/20/2026 01 AM PDT 1.32 584 0 Normal
03/20/2026 02 AM PDT 1.32 584 0 Normal
03/20/2026 03 AM PDT 1.31 580 - Normal
03/20/2026 04 AM PDT 1.31 580 0 Normal
03/20/2026 05 AM PDT 1.31 580 0 Normal
03/20/2026 06 AM PDT 1.30 576 - Normal
03/20/2026 07 AM PDT 1.30 576 0 Normal
03/20/2026 08 AM PDT 1.30 576 0 Normal
03/20/2026 09 AM PDT 1.30 576 0 Normal
03/20/2026 10 AM PDT 1.30 576 0 Normal
03/20/2026 11 AM PDT 1.30 576 0 Normal
03/20/2026 12 PM PDT 1.29 572 - Normal
03/20/2026 01 PM PDT 1.29 572 0 Normal
03/20/2026 02 PM PDT 1.29 572 0 Normal
03/20/2026 03 PM PDT 1.29 572 0 Normal
03/20/2026 04 PM PDT 1.29 572 0 Normal
03/20/2026 05 PM PDT 1.28 569 - Normal
03/20/2026 06 PM PDT 1.28 569 0 Normal
03/20/2026 07 PM PDT 1.28 569 0 Normal
03/20/2026 08 PM PDT 1.27 565 - Normal
03/20/2026 09 PM PDT 1.27 565 0 Normal
03/20/2026 10 PM PDT 1.27 565 0 Normal
03/20/2026 11 PM PDT 1.26 561 - Normal
03/21/2026 12 AM PDT 1.26 561 0 Normal
03/21/2026 01 AM PDT 1.26 561 0 Normal
03/21/2026 02 AM PDT 1.25 557 - Normal
03/21/2026 03 AM PDT 1.25 557 0 Normal
03/21/2026 04 AM PDT 1.25 557 0 Normal
03/21/2026 05 AM PDT 1.25 557 0 Normal
03/21/2026 06 AM PDT 1.24 553 - Normal
03/21/2026 07 AM PDT 1.24 553 0 Normal
03/21/2026 08 AM PDT 1.24 553 0 Normal
03/21/2026 09 AM PDT 1.24 553 0 Normal
03/21/2026 10 AM PDT 1.23 549 - Normal
03/21/2026 11 AM PDT 1.23 549 0 Normal
03/21/2026 12 PM PDT 1.24 553 + Normal
03/21/2026 01 PM PDT 1.24 553 0 Normal
03/21/2026 02 PM PDT 1.24 553 0 Normal
03/21/2026 03 PM PDT 1.23 549 - Normal
03/21/2026 04 PM PDT 1.23 549 0 Normal
03/21/2026 05 PM PDT 1.24 553 + Normal
03/21/2026 06 PM PDT 1.23 549 - Normal
03/21/2026 07 PM PDT 1.23 549 0 Normal
03/21/2026 08 PM PDT 1.23 549 0 Normal
03/21/2026 09 PM PDT 1.22 545 - Normal
03/21/2026 10 PM PDT 1.22 545 0 Normal
03/21/2026 11 PM PDT 1.22 545 0 Normal
03/22/2026 12 AM PDT 1.21 541 - Normal
03/22/2026 01 AM PDT 1.21 541 0 Normal
03/22/2026 02 AM PDT 1.21 541 0 Normal
03/22/2026 03 AM PDT 1.20 537 - Normal
03/22/2026 04 AM PDT 1.20 537 0 Normal
03/22/2026 05 AM PDT 1.20 537 0 Normal
03/22/2026 06 AM PDT 1.19 534 - Normal
03/22/2026 07 AM PDT 1.20 537 + Normal
03/22/2026 08 AM PDT 1.19 534 - Normal
03/22/2026 09 AM PDT 1.19 534 0 Normal
03/22/2026 10 AM PDT 1.19 534 0 Normal
03/22/2026 11 AM PDT 1.19 534 0 Normal
03/22/2026 12 PM PDT 1.19 534 0 Normal
03/22/2026 01 PM PDT 1.19 534 0 Normal
03/22/2026 02 PM PDT 1.19 534 0 Normal
03/22/2026 03 PM PDT 1.19 534 0 Normal
03/22/2026 04 PM PDT 1.18 530 - Normal
03/22/2026 05 PM PDT 1.19 534 + Normal
03/22/2026 06 PM PDT 1.18 530 - Normal
03/22/2026 07 PM PDT 1.18 530 0 Normal
03/22/2026 08 PM PDT 1.18 530 0 Normal
03/22/2026 09 PM PDT 1.18 530 0 Normal
03/22/2026 10 PM PDT 1.17 526 - Normal
03/22/2026 11 PM PDT 1.17 526 0 Normal
03/23/2026 12 AM PDT 1.16 522 - Normal
03/23/2026 01 AM PDT 1.17 526 + Normal
03/23/2026 02 AM PDT 1.16 522 - Normal
03/23/2026 03 AM PDT 1.16 522 0 Normal
03/23/2026 04 AM PDT 1.16 522 0 Normal
03/23/2026 05 AM PDT 1.16 522 0 Normal
03/23/2026 06 AM PDT 1.15 518 - Normal
03/23/2026 07 AM PDT 1.15 518 0 Normal
03/23/2026 08 AM PDT 1.15 518 0 Normal
03/23/2026 09 AM PDT 1.15 518 0 Normal
03/23/2026 10 AM PDT 1.15 518 0 Normal
03/23/2026 11 AM PDT 1.15 518 0 Normal
03/23/2026 12 PM PDT 1.15 518 0 Normal
03/23/2026 01 PM PDT 1.15 518 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
03/23/2026 02 PM PDT 1.15 518 Normal
03/23/2026 03 PM PDT 1.14 515 - Normal
03/23/2026 04 PM PDT 1.14 515 0 Normal
03/23/2026 05 PM PDT 1.14 515 0 Normal
03/23/2026 06 PM PDT 1.14 515 0 Normal
03/23/2026 07 PM PDT 1.14 515 0 Normal
03/23/2026 08 PM PDT 1.14 515 0 Normal
03/23/2026 09 PM PDT 1.14 515 0 Normal
03/23/2026 10 PM PDT 1.13 511 - Normal
03/23/2026 11 PM PDT 1.13 511 0 Normal
03/24/2026 12 AM PDT 1.13 511 0 Normal
03/24/2026 01 AM PDT 1.13 511 0 Normal
03/24/2026 02 AM PDT 1.13 511 0 Normal
03/24/2026 03 AM PDT 1.13 511 0 Normal
03/24/2026 04 AM PDT 1.13 511 0 Normal
03/24/2026 05 AM PDT 1.13 511 0 Normal
03/24/2026 06 AM PDT 1.13 511 0 Normal
03/24/2026 07 AM PDT 1.12 507 - Normal
03/24/2026 08 AM PDT 1.12 507 0 Normal
03/24/2026 09 AM PDT 1.12 507 0 Normal
03/24/2026 10 AM PDT 1.12 507 0 Normal
03/24/2026 11 AM PDT 1.12 507 0 Normal
03/24/2026 12 PM PDT 1.12 507 0 Normal
03/24/2026 01 PM PDT 1.12 507 0 Normal
03/24/2026 02 PM PDT 1.12 507 0 Normal
03/24/2026 03 PM PDT 1.11 503 - Normal
03/24/2026 04 PM PDT 1.11 503 0 Normal
03/24/2026 05 PM PDT 1.11 503 0 Normal
03/24/2026 06 PM PDT 1.11 503 0 Normal
03/24/2026 07 PM PDT 1.11 503 0 Normal
03/24/2026 08 PM PDT 1.11 503 0 Normal
03/24/2026 09 PM PDT 1.11 503 0 Normal
03/24/2026 10 PM PDT 1.10 500 - Normal
03/24/2026 11 PM PDT 1.10 500 0 Normal
03/25/2026 12 AM PDT 1.10 500 0 Normal
03/25/2026 01 AM PDT 1.10 500 0 Normal
03/25/2026 02 AM PDT 1.10 500 0 Normal
03/25/2026 03 AM PDT 1.10 500 0 Normal
03/25/2026 04 AM PDT 1.10 500 0 Normal
03/25/2026 05 AM PDT 1.10 500 0 Normal
03/25/2026 06 AM PDT 1.09 496 - Normal
03/25/2026 07 AM PDT 1.09 496 0 Normal
03/25/2026 08 AM PDT 1.09 496 0 Normal
03/25/2026 09 AM PDT 1.09 496 0 Normal
03/25/2026 10 AM PDT 1.09 496 0 Normal
03/25/2026 11 AM PDT 1.09 496 0 Normal
03/25/2026 12 PM PDT 1.09 496 0 Normal
03/25/2026 01 PM PDT 1.09 496 0 Normal
03/25/2026 02 PM PDT 1.08 492 - Normal
03/25/2026 03 PM PDT 1.08 492 0 Normal
03/25/2026 04 PM PDT 1.08 492 0 Normal
03/25/2026 05 PM PDT 1.08 492 0 Normal
03/25/2026 06 PM PDT 1.08 492 0 Normal
03/25/2026 07 PM PDT 1.08 492 0 Normal
03/25/2026 08 PM PDT 1.08 492 0 Normal
03/25/2026 09 PM PDT 1.08 492 0 Normal
03/25/2026 10 PM PDT 1.08 492 0 Normal
03/25/2026 11 PM PDT 1.07 489 - Normal
03/26/2026 12 AM PDT 1.07 489 0 Normal
03/26/2026 01 AM PDT 1.07 489 0 Normal
03/26/2026 02 AM PDT 1.07 489 0 Normal
03/26/2026 03 AM PDT 1.07 489 0 Normal
03/26/2026 04 AM PDT 1.07 489 0 Normal
03/26/2026 05 AM PDT 1.07 489 0 Normal
03/26/2026 06 AM PDT 1.07 489 0 Normal
03/26/2026 07 AM PDT 1.07 489 0 Normal
03/26/2026 08 AM PDT 1.06 485 - Normal
03/26/2026 09 AM PDT 1.06 485 0 Normal
03/26/2026 10 AM PDT 1.06 485 0 Normal
03/26/2026 11 AM PDT 1.06 485 0 Normal
03/26/2026 12 PM PDT 1.06 485 0 Normal
03/26/2026 01 PM PDT 1.06 485 0 Normal
03/26/2026 02 PM PDT 1.06 485 0 Normal
03/26/2026 03 PM PDT 1.06 485 0 Normal
03/26/2026 04 PM PDT 1.06 485 0 Normal
03/26/2026 05 PM PDT 1.05 481 - Normal
03/26/2026 06 PM PDT 1.05 481 0 Normal
03/26/2026 07 PM PDT 1.05 481 0 Normal
03/26/2026 08 PM PDT 1.05 481 0 Normal
03/26/2026 09 PM PDT 1.05 481 0 Normal
03/26/2026 10 PM PDT 1.05 481 0 Normal
03/26/2026 11 PM PDT 1.05 481 0 Normal
03/27/2026 12 AM PDT 1.05 481 0 Normal
03/27/2026 01 AM PDT 1.05 481 0 Normal
03/27/2026 02 AM PDT 1.05 481 0 Normal
03/27/2026 03 AM PDT 1.04 478 - Normal
03/27/2026 04 AM PDT 1.04 478 0 Normal
03/27/2026 05 AM PDT 1.04 478 0 Normal
03/27/2026 06 AM PDT 1.04 478 0 Normal
03/27/2026 07 AM PDT 1.04 478 0 Normal
03/27/2026 08 AM PDT 1.04 478 0 Normal
03/27/2026 09 AM PDT 1.04 478 0 Normal
03/27/2026 10 AM PDT 1.04 478 0 Normal
03/27/2026 11 AM PDT 1.04 478 0 Normal
03/27/2026 12 PM PDT 1.04 478 0 Normal
03/27/2026 01 PM PDT 1.03 474 - Normal
03/27/2026 02 PM PDT 1.03 474 0 Normal
03/27/2026 03 PM PDT 1.03 474 0 Normal
03/27/2026 04 PM PDT 1.03 474 0 Normal
03/27/2026 05 PM PDT 1.03 474 0 Normal
03/27/2026 06 PM PDT 1.03 474 0 Normal
03/27/2026 07 PM PDT 1.03 474 0 Normal
03/27/2026 08 PM PDT 1.03 474 0 Normal
03/27/2026 09 PM PDT 1.03 474 0 Normal
03/27/2026 10 PM PDT 1.03 474 0 Normal
03/27/2026 11 PM PDT 1.02 470 - Normal
03/28/2026 12 AM PDT 1.02 470 0 Normal
03/28/2026 01 AM PDT 1.02 470 0 Normal
03/28/2026 02 AM PDT 1.02 470 0 Normal
03/28/2026 03 AM PDT 1.02 470 0 Normal
03/28/2026 04 AM PDT 1.02 470 0 Normal
03/28/2026 05 AM PDT 1.02 470 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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