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NAPA RIVER - SAINT HELENA (SHEC1)
| Latitude: 38.51º N | Longitude: 122.45º W | Elevation: 195 Feet | | Forecast Type: Official Location |
| Location: Napa County in California | Bulletin Group: Russian Napa | River Group: Russian Napa |
| Issuance Time: | Feb 14 2026 at 7:45 AM PST | Next Issuance: | Feb 15 2026 at 9:00 AM PST
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| Action/Monitor: 16.0 Feet | Minor Flood: 18.0 Feet | Moderate Flood: 20.0 Feet | Major Flood: 22.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Napa River - Saint Helena (SHEC1)
#
# File Generation Time: 02/14/2026 at 07:45 AM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 02/11/2026 at 08:00 AM PST
# Maximum Observed Stage: 2.14 Feet
# Maximum Observed Flow: 61 cfs
#
# Earliest Date & Time of Maximum Forecast: 02/16/2026 at 06:00 PM PST
# Maximum Forecast Stage: 5.56 Feet
# Maximum Forecast Flow: 921 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
02/09/2026 07 AM PST 1.87 28 Normal
02/09/2026 08 AM PST 1.87 28 0 Normal
02/09/2026 09 AM PST 1.87 28 0 Normal
02/09/2026 10 AM PST 1.87 28 0 Normal
02/09/2026 11 AM PST 1.87 28 0 Normal
02/09/2026 12 PM PST 1.87 28 0 Normal
02/09/2026 01 PM PST 1.87 28 0 Normal
02/09/2026 02 PM PST 1.87 28 0 Normal
02/09/2026 03 PM PST 1.88 29 + Normal
02/09/2026 04 PM PST 1.88 29 0 Normal
02/09/2026 05 PM PST 1.88 29 0 Normal
02/09/2026 06 PM PST 1.87 28 - Normal
02/09/2026 07 PM PST 1.86 27 - Normal
02/09/2026 08 PM PST 1.86 27 0 Normal
02/09/2026 09 PM PST 1.86 27 0 Normal
02/09/2026 10 PM PST 1.86 27 0 Normal
02/09/2026 11 PM PST 1.86 27 0 Normal
02/10/2026 12 AM PST 1.85 26 - Normal
02/10/2026 01 AM PST 1.85 26 0 Normal
02/10/2026 02 AM PST 1.85 26 0 Normal
02/10/2026 03 AM PST 1.85 26 0 Normal
02/10/2026 04 AM PST 1.85 26 0 Normal
02/10/2026 05 AM PST 1.85 26 0 Normal
02/10/2026 06 AM PST 1.85 26 0 Normal
02/10/2026 07 AM PST 1.85 26 0 Normal
02/10/2026 08 AM PST 1.85 26 0 Normal
02/10/2026 09 AM PST 1.85 26 0 Normal
02/10/2026 10 AM PST 1.85 26 0 Normal
02/10/2026 11 AM PST 1.85 26 0 Normal
02/10/2026 12 PM PST 1.85 26 0 Normal
02/10/2026 01 PM PST 1.85 26 0 Normal
02/10/2026 02 PM PST 1.85 26 0 Normal
02/10/2026 03 PM PST 1.85 26 0 Normal
02/10/2026 04 PM PST 1.85 26 0 Normal
02/10/2026 05 PM PST 1.86 27 + Normal
02/10/2026 06 PM PST 1.86 27 0 Normal
02/10/2026 07 PM PST 1.86 27 0 Normal
02/10/2026 08 PM PST 1.86 27 0 Normal
02/10/2026 09 PM PST 1.86 27 0 Normal
02/10/2026 10 PM PST 1.86 27 0 Normal
02/10/2026 11 PM PST 1.86 27 0 Normal
02/11/2026 12 AM PST 1.86 27 0 Normal
02/11/2026 01 AM PST 1.89 31 + Normal
02/11/2026 02 AM PST 2.12 59 + Normal
02/11/2026 03 AM PST 1.97 40 - Normal
02/11/2026 04 AM PST 1.96 39 - Normal
02/11/2026 05 AM PST 1.98 41 + Normal
02/11/2026 06 AM PST 2.01 45 + Normal
02/11/2026 07 AM PST 2.01 45 0 Normal
02/11/2026 08 AM PST 2.14 61 + Normal
02/11/2026 09 AM PST 2.13 60 - Normal
02/11/2026 10 AM PST 2.10 56 - Normal
02/11/2026 11 AM PST 2.10 56 0 Normal
02/11/2026 12 PM PST 2.07 52 - Normal
02/11/2026 01 PM PST 2.04 49 - Normal
02/11/2026 02 PM PST 2.03 48 - Normal
02/11/2026 03 PM PST 2.02 46 - Normal
02/11/2026 04 PM PST 1.99 43 - Normal
02/11/2026 05 PM PST 1.99 43 0 Normal
02/11/2026 06 PM PST 2.00 44 + Normal
02/11/2026 07 PM PST 1.98 41 - Normal
02/11/2026 08 PM PST 1.97 40 - Normal
02/11/2026 09 PM PST 1.97 40 0 Normal
02/11/2026 10 PM PST 1.97 40 0 Normal
02/11/2026 11 PM PST 1.96 39 - Normal
02/12/2026 12 AM PST 1.96 39 0 Normal
02/12/2026 01 AM PST 1.95 37 - Normal
02/12/2026 02 AM PST 1.95 37 0 Normal
02/12/2026 03 AM PST 1.94 36 - Normal
02/12/2026 04 AM PST 1.94 36 0 Normal
02/12/2026 05 AM PST 1.93 35 - Normal
02/12/2026 06 AM PST 1.92 34 - Normal
02/12/2026 07 AM PST 1.92 34 0 Normal
02/12/2026 08 AM PST 1.91 33 - Normal
02/12/2026 09 AM PST 1.91 33 0 Normal
02/12/2026 10 AM PST 1.90 32 - Normal
02/12/2026 11 AM PST 1.90 32 0 Normal
02/12/2026 12 PM PST 1.90 32 0 Normal
02/12/2026 01 PM PST 1.90 32 0 Normal
02/12/2026 02 PM PST 1.90 32 0 Normal
02/12/2026 03 PM PST 1.90 32 0 Normal
02/12/2026 04 PM PST 1.89 31 - Normal
02/12/2026 05 PM PST 1.89 31 0 Normal
02/12/2026 06 PM PST 1.89 31 0 Normal
02/12/2026 07 PM PST 1.88 29 - Normal
02/12/2026 08 PM PST 1.88 29 0 Normal
02/12/2026 09 PM PST 1.88 29 0 Normal
02/12/2026 10 PM PST 1.88 29 0 Normal
02/12/2026 11 PM PST 1.88 29 0 Normal
02/13/2026 12 AM PST 1.87 28 - Normal
02/13/2026 01 AM PST 1.87 28 0 Normal
02/13/2026 02 AM PST 1.87 28 0 Normal
02/13/2026 03 AM PST 1.87 28 0 Normal
02/13/2026 04 AM PST 1.87 28 0 Normal
02/13/2026 05 AM PST 1.87 28 0 Normal
02/13/2026 06 AM PST 1.87 28 0 Normal
02/13/2026 07 AM PST 1.87 28 0 Normal
02/13/2026 08 AM PST 1.87 28 0 Normal
02/13/2026 09 AM PST 1.86 27 - Normal
02/13/2026 10 AM PST 1.86 27 0 Normal
02/13/2026 11 AM PST 1.86 27 0 Normal
02/13/2026 12 PM PST 1.86 27 0 Normal
02/13/2026 01 PM PST 1.86 27 0 Normal
02/13/2026 02 PM PST 1.87 28 + Normal
02/13/2026 03 PM PST 1.87 28 0 Normal
02/13/2026 04 PM PST 1.86 27 - Normal
02/13/2026 05 PM PST 1.86 27 0 Normal
02/13/2026 06 PM PST 1.86 27 0 Normal
02/13/2026 07 PM PST 1.86 27 0 Normal
02/13/2026 08 PM PST 1.86 27 0 Normal
02/13/2026 09 PM PST 1.86 27 0 Normal
02/13/2026 10 PM PST 1.86 27 0 Normal
02/13/2026 11 PM PST 1.86 27 0 Normal
02/14/2026 12 AM PST 1.86 27 0 Normal
02/14/2026 01 AM PST 1.86 27 0 Normal
02/14/2026 02 AM PST 1.85 26 - Normal
02/14/2026 03 AM PST 1.86 27 + Normal
02/14/2026 04 AM PST 1.86 27 0 Normal
02/14/2026 05 AM PST 1.86 27 0 Normal
02/14/2026 06 AM PST 1.86 27 0 Normal
02/14/2026 07 AM PST 1.86 27 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
02/14/2026 08 AM PST 1.86 27 Normal
02/14/2026 09 AM PST 1.86 27 0 Normal
02/14/2026 10 AM PST 1.86 27 0 Normal
02/14/2026 11 AM PST 1.86 27 0 Normal
02/14/2026 12 PM PST 1.86 27 0 Normal
02/14/2026 01 PM PST 1.86 27 0 Normal
02/14/2026 02 PM PST 1.86 27 0 Normal
02/14/2026 03 PM PST 1.86 27 0 Normal
02/14/2026 04 PM PST 1.86 27 0 Normal
02/14/2026 05 PM PST 1.86 27 0 Normal
02/14/2026 06 PM PST 1.86 27 0 Normal
02/14/2026 07 PM PST 1.86 27 0 Normal
02/14/2026 08 PM PST 1.86 27 0 Normal
02/14/2026 09 PM PST 1.86 27 0 Normal
02/14/2026 10 PM PST 1.86 27 0 Normal
02/14/2026 11 PM PST 1.86 27 0 Normal
02/15/2026 12 AM PST 1.86 27 0 Normal
02/15/2026 01 AM PST 1.86 27 0 Normal
02/15/2026 02 AM PST 1.86 27 0 Normal
02/15/2026 03 AM PST 1.86 27 0 Normal
02/15/2026 04 AM PST 1.86 27 0 Normal
02/15/2026 05 AM PST 1.86 27 0 Normal
02/15/2026 06 AM PST 1.87 28 + Normal
02/15/2026 07 AM PST 1.87 28 0 Normal
02/15/2026 08 AM PST 1.87 28 0 Normal
02/15/2026 09 AM PST 1.88 29 + Normal
02/15/2026 10 AM PST 1.88 29 0 Normal
02/15/2026 11 AM PST 1.89 31 + Normal
02/15/2026 12 PM PST 1.89 31 0 Normal
02/15/2026 01 PM PST 1.90 32 + Normal
02/15/2026 02 PM PST 1.91 33 + Normal
02/15/2026 03 PM PST 1.93 35 + Normal
02/15/2026 04 PM PST 1.94 36 + Normal
02/15/2026 05 PM PST 1.95 37 + Normal
02/15/2026 06 PM PST 1.97 40 + Normal
02/15/2026 07 PM PST 2.00 44 + Normal
02/15/2026 08 PM PST 2.04 49 + Normal
02/15/2026 09 PM PST 2.09 55 + Normal
02/15/2026 10 PM PST 2.23 72 + Normal
02/15/2026 11 PM PST 2.80 162 + Normal
02/16/2026 12 AM PST 3.47 299 + Normal
02/16/2026 01 AM PST 4.15 472 + Normal
02/16/2026 02 AM PST 4.66 621 + Normal
02/16/2026 03 AM PST 4.84 677 + Normal
02/16/2026 04 AM PST 4.91 699 + Normal
02/16/2026 05 AM PST 4.99 725 + Normal
02/16/2026 06 AM PST 5.07 752 + Normal
02/16/2026 07 AM PST 5.14 775 + Normal
02/16/2026 08 AM PST 5.16 782 + Normal
02/16/2026 09 AM PST 5.13 772 - Normal
02/16/2026 10 AM PST 5.10 762 - Normal
02/16/2026 11 AM PST 5.09 758 - Normal
02/16/2026 12 PM PST 5.08 755 - Normal
02/16/2026 01 PM PST 5.10 762 + Normal
02/16/2026 02 PM PST 5.19 792 + Normal
02/16/2026 03 PM PST 5.36 851 + Normal
02/16/2026 04 PM PST 5.49 896 + Normal
02/16/2026 05 PM PST 5.55 918 + Normal
02/16/2026 06 PM PST 5.56 921 + Normal
02/16/2026 07 PM PST 5.54 914 - Normal
02/16/2026 08 PM PST 5.47 889 - Normal
02/16/2026 09 PM PST 5.32 837 - Normal
02/16/2026 10 PM PST 5.15 779 - Normal
02/16/2026 11 PM PST 5.03 739 - Normal
02/17/2026 12 AM PST 4.94 709 - Normal
02/17/2026 01 AM PST 4.88 690 - Normal
02/17/2026 02 AM PST 4.82 671 - Normal
02/17/2026 03 AM PST 4.76 652 - Normal
02/17/2026 04 AM PST 4.70 633 - Normal
02/17/2026 05 AM PST 4.65 618 - Normal
02/17/2026 06 AM PST 4.61 605 - Normal
02/17/2026 07 AM PST 4.59 599 - Normal
02/17/2026 08 AM PST 4.60 602 + Normal
02/17/2026 09 AM PST 4.65 618 + Normal
02/17/2026 10 AM PST 4.71 636 + Normal
02/17/2026 11 AM PST 4.75 649 + Normal
02/17/2026 12 PM PST 4.78 658 + Normal
02/17/2026 01 PM PST 4.80 664 + Normal
02/17/2026 02 PM PST 4.83 674 + Normal
02/17/2026 03 PM PST 4.87 687 + Normal
02/17/2026 04 PM PST 4.91 699 + Normal
02/17/2026 05 PM PST 4.94 709 + Normal
02/17/2026 06 PM PST 4.97 719 + Normal
02/17/2026 07 PM PST 4.98 722 + Normal
02/17/2026 08 PM PST 4.95 712 - Normal
02/17/2026 09 PM PST 4.88 690 - Normal
02/17/2026 10 PM PST 4.81 667 - Normal
02/17/2026 11 PM PST 4.76 652 - Normal
02/18/2026 12 AM PST 4.73 642 - Normal
02/18/2026 01 AM PST 4.70 633 - Normal
02/18/2026 02 AM PST 4.64 614 - Normal
02/18/2026 03 AM PST 4.54 584 - Normal
02/18/2026 04 AM PST 4.45 557 - Normal
02/18/2026 05 AM PST 4.37 534 - Normal
02/18/2026 06 AM PST 4.30 514 - Normal
02/18/2026 07 AM PST 4.25 500 - Normal
02/18/2026 08 AM PST 4.21 488 - Normal
02/18/2026 09 AM PST 4.14 469 - Normal
02/18/2026 10 AM PST 4.07 450 - Normal
02/18/2026 11 AM PST 3.99 428 - Normal
02/18/2026 12 PM PST 3.90 405 - Normal
02/18/2026 01 PM PST 3.83 387 - Normal
02/18/2026 02 PM PST 3.76 369 - Normal
02/18/2026 03 PM PST 3.71 357 - Normal
02/18/2026 04 PM PST 3.69 352 - Normal
02/18/2026 05 PM PST 3.68 349 - Normal
02/18/2026 06 PM PST 3.69 352 + Normal
02/18/2026 07 PM PST 3.69 352 0 Normal
02/18/2026 08 PM PST 3.69 352 0 Normal
02/18/2026 09 PM PST 3.67 347 - Normal
02/18/2026 10 PM PST 3.65 342 - Normal
02/18/2026 11 PM PST 3.62 335 - Normal
02/19/2026 12 AM PST 3.59 328 - Normal
02/19/2026 01 AM PST 3.56 320 - Normal
02/19/2026 02 AM PST 3.53 313 - Normal
02/19/2026 03 AM PST 3.51 309 - Normal
02/19/2026 04 AM PST 3.48 302 - 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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