RUSSIAN RIVER - HEALDSBURG (HEAC1)
Latitude: 38.61º NLongitude: 122.84º WElevation: 77 FeetForecast Type: Official Location
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Feb 25 2026 at 1:33 PM PSTNext Issuance: Feb 26 2026 at 9:00 AM PST
Action/Monitor: 20.0 FeetMinor Flood: 23.0 FeetModerate Flood: 27.0 FeetMajor Flood: 29.0 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Russian River - Healdsburg (HEAC1)
#
# File Generation Time:  02/25/2026 at 01:33 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/25/2026 at 01:00 PM PST
# Maximum Observed Stage:                       12.84 Feet
# Maximum Observed Flow:                        16399 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/25/2026 at 07:00 PM PST
# Maximum Forecast Stage:                       13.38 Feet
# Maximum Forecast Flow:                        17619 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/20/2026 01 PM PST            4.58           2894                        Normal
  02/20/2026 02 PM PST            4.54           2853         -              Normal
  02/20/2026 03 PM PST            4.50           2813         -              Normal
  02/20/2026 04 PM PST            4.45           2766         -              Normal
  02/20/2026 05 PM PST            4.41           2728         -              Normal
  02/20/2026 06 PM PST            4.36           2682         -              Normal
  02/20/2026 07 PM PST            4.32           2645         -              Normal
  02/20/2026 08 PM PST            4.27           2599         -              Normal
  02/20/2026 09 PM PST            4.23           2563         -              Normal
  02/20/2026 10 PM PST            4.19           2526         -              Normal
  02/20/2026 11 PM PST            4.13           2473         -              Normal
  02/21/2026 12 AM PST            4.09           2437         -              Normal
  02/21/2026 01 AM PST            4.06           2410         -              Normal
  02/21/2026 02 AM PST            4.01           2366         -              Normal
  02/21/2026 03 AM PST            3.98           2340         -              Normal
  02/21/2026 04 AM PST            3.94           2306         -              Normal
  02/21/2026 05 AM PST            3.91           2280         -              Normal
  02/21/2026 06 AM PST            3.87           2245         -              Normal
  02/21/2026 07 AM PST            3.84           2220         -              Normal
  02/21/2026 08 AM PST            3.81           2194         -              Normal
  02/21/2026 09 AM PST            3.79           2177         -              Normal
  02/21/2026 10 AM PST            3.76           2152         -              Normal
  02/21/2026 11 AM PST            3.73           2127         -              Normal
  02/21/2026 12 PM PST            3.70           2102         -              Normal
  02/21/2026 01 PM PST            3.67           2077         -              Normal
  02/21/2026 02 PM PST            3.65           2061         -              Normal
  02/21/2026 03 PM PST            3.63           2044         -              Normal
  02/21/2026 04 PM PST            3.60           2020         -              Normal
  02/21/2026 05 PM PST            3.59           2012         -              Normal
  02/21/2026 06 PM PST            3.56           1987         -              Normal
  02/21/2026 07 PM PST            3.53           1963         -              Normal
  02/21/2026 08 PM PST            3.50           1939         -              Normal
  02/21/2026 09 PM PST            3.49           1931         -              Normal
  02/21/2026 10 PM PST            3.46           1907         -              Normal
  02/21/2026 11 PM PST            3.44           1891         -              Normal
  02/22/2026 12 AM PST            3.42           1876         -              Normal
  02/22/2026 01 AM PST            3.40           1860         -              Normal
  02/22/2026 02 AM PST            3.38           1844         -              Normal
  02/22/2026 03 AM PST            3.35           1821         -              Normal
  02/22/2026 04 AM PST            3.34           1813         -              Normal
  02/22/2026 05 AM PST            3.32           1798         -              Normal
  02/22/2026 06 AM PST            3.29           1774         -              Normal
  02/22/2026 07 AM PST            3.28           1767         -              Normal
  02/22/2026 08 AM PST            3.26           1751         -              Normal
  02/22/2026 09 AM PST            3.25           1744         -              Normal
  02/22/2026 10 AM PST            3.24           1736         -              Normal
  02/22/2026 11 AM PST            3.23           1729         -              Normal
  02/22/2026 12 PM PST            3.22           1721         -              Normal
  02/22/2026 01 PM PST            3.20           1706         -              Normal
  02/22/2026 02 PM PST            3.19           1698         -              Normal
  02/22/2026 03 PM PST            3.19           1698         0              Normal
  02/22/2026 04 PM PST            3.19           1698         0              Normal
  02/22/2026 05 PM PST            3.18           1691         -              Normal
  02/22/2026 06 PM PST            3.18           1691         0              Normal
  02/22/2026 07 PM PST            3.17           1683         -              Normal
  02/22/2026 08 PM PST            3.17           1683         0              Normal
  02/22/2026 09 PM PST            3.18           1691         +              Normal
  02/22/2026 10 PM PST            3.19           1698         +              Normal
  02/22/2026 11 PM PST            3.21           1713         +              Normal
  02/23/2026 12 AM PST            3.25           1744         +              Normal
  02/23/2026 01 AM PST            3.30           1782         +              Normal
  02/23/2026 02 AM PST            3.34           1813         +              Normal
  02/23/2026 03 AM PST            3.40           1860         +              Normal
  02/23/2026 04 AM PST            3.44           1891         +              Normal
  02/23/2026 05 AM PST            3.49           1931         +              Normal
  02/23/2026 06 AM PST            3.53           1963         +              Normal
  02/23/2026 07 AM PST            3.58           2004         +              Normal
  02/23/2026 08 AM PST            3.63           2044         +              Normal
  02/23/2026 09 AM PST            3.68           2086         +              Normal
  02/23/2026 10 AM PST            3.71           2110         +              Normal
  02/23/2026 11 AM PST            3.75           2144         +              Normal
  02/23/2026 12 PM PST            3.78           2169         +              Normal
  02/23/2026 01 PM PST            3.82           2203         +              Normal
  02/23/2026 02 PM PST            3.83           2211         +              Normal
  02/23/2026 03 PM PST            3.84           2220         +              Normal
  02/23/2026 04 PM PST            3.85           2228         +              Normal
  02/23/2026 05 PM PST            3.85           2228         0              Normal
  02/23/2026 06 PM PST            3.88           2254         +              Normal
  02/23/2026 07 PM PST            3.86           2237         -              Normal
  02/23/2026 08 PM PST            3.86           2237         0              Normal
  02/23/2026 09 PM PST            3.85           2228         -              Normal
  02/23/2026 10 PM PST            3.82           2203         -              Normal
  02/23/2026 11 PM PST            3.80           2186         -              Normal
  02/24/2026 12 AM PST            3.78           2169         -              Normal
  02/24/2026 01 AM PST            3.76           2152         -              Normal
  02/24/2026 02 AM PST            3.76           2152         0              Normal
  02/24/2026 03 AM PST            3.75           2144         -              Normal
  02/24/2026 04 AM PST            3.74           2135         -              Normal
  02/24/2026 05 AM PST            3.73           2127         -              Normal
  02/24/2026 06 AM PST            3.75           2144         +              Normal
  02/24/2026 07 AM PST            3.75           2144         0              Normal
  02/24/2026 08 AM PST            3.78           2169         +              Normal
  02/24/2026 09 AM PST            3.80           2186         +              Normal
  02/24/2026 10 AM PST            3.85           2228         +              Normal
  02/24/2026 11 AM PST            3.93           2297         +              Normal
  02/24/2026 12 PM PST            4.01           2366         +              Normal
  02/24/2026 01 PM PST            4.17           2508         +              Normal
  02/24/2026 02 PM PST            4.38           2700         +              Normal
  02/24/2026 03 PM PST            4.64           2955         +              Normal
  02/24/2026 04 PM PST            4.95           3280         +              Normal
  02/24/2026 05 PM PST            5.27           3632         +              Normal
  02/24/2026 06 PM PST            5.63           4047         +              Normal
  02/24/2026 07 PM PST            6.01           4507         +              Normal
  02/24/2026 08 PM PST            6.40           5002         +              Normal
  02/24/2026 09 PM PST            6.91           5685         +              Normal
  02/24/2026 10 PM PST            7.60           6671         +              Normal
  02/24/2026 11 PM PST            8.28           7711         +              Normal
  02/25/2026 12 AM PST            8.82           8586         +              Normal
  02/25/2026 01 AM PST            9.30           9399         +              Normal
  02/25/2026 02 AM PST            9.70          10102         +              Normal
  02/25/2026 03 AM PST           10.20          11012         +              Normal
  02/25/2026 04 AM PST           10.75          12055         +              Normal
  02/25/2026 05 AM PST           11.26          13059         +              Normal
  02/25/2026 06 AM PST           11.74          14037         +              Normal
  02/25/2026 07 AM PST           12.12          14835         +              Normal
  02/25/2026 08 AM PST           12.34          15305         +              Normal
  02/25/2026 09 AM PST           12.48          15608         +              Normal
  02/25/2026 10 AM PST           12.56          15782         +              Normal
  02/25/2026 11 AM PST           12.52          15695         -              Normal
  02/25/2026 12 PM PST           12.70          16090         +              Normal
  02/25/2026 01 PM PST           12.84          16399         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/25/2026 02 PM PST           12.97          16689                        Normal
  02/25/2026 03 PM PST           13.09          16959         +              Normal
  02/25/2026 04 PM PST           13.19          17185         +              Normal
  02/25/2026 05 PM PST           13.28          17390         +              Normal
  02/25/2026 06 PM PST           13.35          17550         +              Normal
  02/25/2026 07 PM PST           13.38          17619         +              Normal
  02/25/2026 08 PM PST           13.37          17596         -              Normal
  02/25/2026 09 PM PST           13.31          17459         -              Normal
  02/25/2026 10 PM PST           13.19          17185         -              Normal
  02/25/2026 11 PM PST           13.04          16846         -              Normal
  02/26/2026 12 AM PST           12.82          16355         -              Normal
  02/26/2026 01 AM PST           12.58          15826         -              Normal
  02/26/2026 02 AM PST           12.31          15241         -              Normal
  02/26/2026 03 AM PST           12.02          14623         -              Normal
  02/26/2026 04 AM PST           11.74          14037         -              Normal
  02/26/2026 05 AM PST           11.45          13443         -              Normal
  02/26/2026 06 AM PST           11.16          12859         -              Normal
  02/26/2026 07 AM PST           10.85          12249         -              Normal
  02/26/2026 08 AM PST           10.56          11690         -              Normal
  02/26/2026 09 AM PST           10.27          11143         -              Normal
  02/26/2026 10 AM PST            9.99          10626         -              Normal
  02/26/2026 11 AM PST            9.69          10084         -              Normal
  02/26/2026 12 PM PST            9.40           9573         -              Normal
  02/26/2026 01 PM PST            9.13           9107         -              Normal
  02/26/2026 02 PM PST            8.88           8686         -              Normal
  02/26/2026 03 PM PST            8.62           8257         -              Normal
  02/26/2026 04 PM PST            8.36           7838         -              Normal
  02/26/2026 05 PM PST            8.13           7476         -              Normal
  02/26/2026 06 PM PST            7.91           7137         -              Normal
  02/26/2026 07 PM PST            7.71           6834         -              Normal
  02/26/2026 08 PM PST            7.52           6553         -              Normal
  02/26/2026 09 PM PST            7.33           6276         -              Normal
  02/26/2026 10 PM PST            7.15           6020         -              Normal
  02/26/2026 11 PM PST            6.99           5795         -              Normal
  02/27/2026 12 AM PST            6.84           5589         -              Normal
  02/27/2026 01 AM PST            6.71           5412         -              Normal
  02/27/2026 02 AM PST            6.57           5225         -              Normal
  02/27/2026 03 AM PST            6.45           5067         -              Normal
  02/27/2026 04 AM PST            6.33           4912         -              Normal
  02/27/2026 05 AM PST            6.22           4771         -              Normal
  02/27/2026 06 AM PST            6.12           4644         -              Normal
  02/27/2026 07 AM PST            6.03           4532         -              Normal
  02/27/2026 08 AM PST            5.96           4445         -              Normal
  02/27/2026 09 AM PST            5.89           4359         -              Normal
  02/27/2026 10 AM PST            5.84           4298         -              Normal
  02/27/2026 11 AM PST            5.80           4250         -              Normal
  02/27/2026 12 PM PST            5.77           4214         -              Normal
  02/27/2026 01 PM PST            5.74           4178         -              Normal
  02/27/2026 02 PM PST            5.70           4130         -              Normal
  02/27/2026 03 PM PST            5.67           4094         -              Normal
  02/27/2026 04 PM PST            5.64           4059         -              Normal
  02/27/2026 05 PM PST            5.61           4023         -              Normal
  02/27/2026 06 PM PST            5.58           3988         -              Normal
  02/27/2026 07 PM PST            5.55           3953         -              Normal
  02/27/2026 08 PM PST            5.52           3918         -              Normal
  02/27/2026 09 PM PST            5.49           3883         -              Normal
  02/27/2026 10 PM PST            5.46           3848         -              Normal
  02/27/2026 11 PM PST            5.42           3802         -              Normal
  02/28/2026 12 AM PST            5.39           3768         -              Normal
  02/28/2026 01 AM PST            5.36           3734         -              Normal
  02/28/2026 02 AM PST            5.33           3700         -              Normal
  02/28/2026 03 AM PST            5.30           3666         -              Normal
  02/28/2026 04 AM PST            5.28           3643         -              Normal
  02/28/2026 05 AM PST            5.25           3609         -              Normal
  02/28/2026 06 AM PST            5.22           3576         -              Normal
  02/28/2026 07 AM PST            5.20           3554         -              Normal
  02/28/2026 08 AM PST            5.17           3520         -              Normal
  02/28/2026 09 AM PST            5.14           3487         -              Normal
  02/28/2026 10 AM PST            5.12           3465         -              Normal
  02/28/2026 11 AM PST            5.09           3432         -              Normal
  02/28/2026 12 PM PST            5.07           3410         -              Normal
  02/28/2026 01 PM PST            5.05           3388         -              Normal
  02/28/2026 02 PM PST            5.03           3366         -              Normal
  02/28/2026 03 PM PST            5.00           3334         -              Normal
  02/28/2026 04 PM PST            4.99           3323         -              Normal
  02/28/2026 05 PM PST            4.97           3302         -              Normal
  02/28/2026 06 PM PST            4.95           3280         -              Normal
  02/28/2026 07 PM PST            4.93           3259         -              Normal
  02/28/2026 08 PM PST            4.91           3237         -              Normal
  02/28/2026 09 PM PST            4.89           3216         -              Normal
  02/28/2026 10 PM PST            4.87           3195         -              Normal
  02/28/2026 11 PM PST            4.86           3184         -              Normal
  03/01/2026 12 AM PST            4.84           3163         -              Normal
  03/01/2026 01 AM PST            4.82           3142         -              Normal
  03/01/2026 02 AM PST            4.80           3121         -              Normal
  03/01/2026 03 AM PST            4.78           3100         -              Normal
  03/01/2026 04 AM PST            4.77           3089         -              Normal
  03/01/2026 05 AM PST            4.75           3068         -              Normal
  03/01/2026 06 AM PST            4.73           3048         -              Normal
  03/01/2026 07 AM PST            4.72           3037         -              Normal
  03/01/2026 08 AM PST            4.70           3016         -              Normal
  03/01/2026 09 AM PST            4.69           3006         -              Normal
  03/01/2026 10 AM PST            4.67           2986         -              Normal
  03/01/2026 11 AM PST            4.66           2975         -              Normal
  03/01/2026 12 PM PST            4.64           2955         -              Normal
  03/01/2026 01 PM PST            4.63           2944         -              Normal
  03/01/2026 02 PM PST            4.61           2924         -              Normal
  03/01/2026 03 PM PST            4.60           2914         -              Normal
  03/01/2026 04 PM PST            4.58           2894         -              Normal
  03/01/2026 05 PM PST            4.57           2883         -              Normal
  03/01/2026 06 PM PST            4.55           2863         -              Normal
  03/01/2026 07 PM PST            4.54           2853         -              Normal
  03/01/2026 08 PM PST            4.53           2843         -              Normal
  03/01/2026 09 PM PST            4.51           2823         -              Normal
  03/01/2026 10 PM PST            4.50           2813         -              Normal
  03/01/2026 11 PM PST            4.49           2803         -              Normal
  03/02/2026 12 AM PST            4.47           2785         -              Normal
  03/02/2026 01 AM PST            4.46           2775         -              Normal
  03/02/2026 02 AM PST            4.45           2766         -              Normal
  03/02/2026 03 AM PST            4.43           2747         -              Normal
  03/02/2026 04 AM PST            4.42           2738         -              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.