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: Mar 04 2026 at 12:55 PM PSTNext Issuance: Mar 05 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:  03/04/2026 at 12:55 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/27/2026 at 12:00 PM PST
# Maximum Observed Stage:                       6.37 Feet
# Maximum Observed Flow:                        4963 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/04/2026 at 01:00 PM PST
# Maximum Forecast Stage:                       3.80 Feet
# Maximum Forecast Flow:                        2186 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/27/2026 12 PM PST            6.37           4963                        Normal
  02/27/2026 01 PM PST            6.34           4924         -              Normal
  02/27/2026 02 PM PST            6.31           4886         -              Normal
  02/27/2026 03 PM PST            6.29           4860         -              Normal
  02/27/2026 04 PM PST            6.27           4835         -              Normal
  02/27/2026 05 PM PST            6.24           4796         -              Normal
  02/27/2026 06 PM PST            6.20           4745         -              Normal
  02/27/2026 07 PM PST            6.16           4695         -              Normal
  02/27/2026 08 PM PST            6.11           4632         -              Normal
  02/27/2026 09 PM PST            6.09           4607         -              Normal
  02/27/2026 10 PM PST            6.03           4532         -              Normal
  02/27/2026 11 PM PST            6.01           4507         -              Normal
  02/28/2026 12 AM PST            5.96           4445         -              Normal
  02/28/2026 01 AM PST            5.92           4396         -              Normal
  02/28/2026 02 AM PST            5.90           4371         -              Normal
  02/28/2026 03 AM PST            5.86           4323         -              Normal
  02/28/2026 04 AM PST            5.82           4274         -              Normal
  02/28/2026 05 AM PST            5.79           4238         -              Normal
  02/28/2026 06 AM PST            5.75           4190         -              Normal
  02/28/2026 07 AM PST            5.72           4154         -              Normal
  02/28/2026 08 AM PST            5.68           4106         -              Normal
  02/28/2026 09 AM PST            5.65           4071         -              Normal
  02/28/2026 10 AM PST            5.63           4047         -              Normal
  02/28/2026 11 AM PST            5.59           4000         -              Normal
  02/28/2026 12 PM PST            5.58           3988         -              Normal
  02/28/2026 01 PM PST            5.53           3930         -              Normal
  02/28/2026 02 PM PST            5.49           3883         -              Normal
  02/28/2026 03 PM PST            5.48           3872         -              Normal
  02/28/2026 04 PM PST            5.45           3837         -              Normal
  02/28/2026 05 PM PST            5.41           3791         -              Normal
  02/28/2026 06 PM PST            5.39           3768         -              Normal
  02/28/2026 07 PM PST            5.36           3734         -              Normal
  02/28/2026 08 PM PST            5.33           3700         -              Normal
  02/28/2026 09 PM PST            5.31           3677         -              Normal
  02/28/2026 10 PM PST            5.26           3621         -              Normal
  02/28/2026 11 PM PST            5.24           3598         -              Normal
  03/01/2026 12 AM PST            5.21           3565         -              Normal
  03/01/2026 01 AM PST            5.19           3542         -              Normal
  03/01/2026 02 AM PST            5.16           3509         -              Normal
  03/01/2026 03 AM PST            5.15           3498         -              Normal
  03/01/2026 04 AM PST            5.11           3454         -              Normal
  03/01/2026 05 AM PST            5.08           3421         -              Normal
  03/01/2026 06 AM PST            5.06           3399         -              Normal
  03/01/2026 07 AM PST            5.05           3388         -              Normal
  03/01/2026 08 AM PST            5.01           3345         -              Normal
  03/01/2026 09 AM PST            5.00           3334         -              Normal
  03/01/2026 10 AM PST            4.98           3312         -              Normal
  03/01/2026 11 AM PST            4.95           3280         -              Normal
  03/01/2026 12 PM PST            4.92           3248         -              Normal
  03/01/2026 01 PM PST            4.91           3237         -              Normal
  03/01/2026 02 PM PST            4.89           3216         -              Normal
  03/01/2026 03 PM PST            4.85           3173         -              Normal
  03/01/2026 04 PM PST            4.83           3152         -              Normal
  03/01/2026 05 PM PST            4.81           3131         -              Normal
  03/01/2026 06 PM PST            4.79           3110         -              Normal
  03/01/2026 07 PM PST            4.77           3089         -              Normal
  03/01/2026 08 PM PST            4.74           3058         -              Normal
  03/01/2026 09 PM PST            4.72           3037         -              Normal
  03/01/2026 10 PM PST            4.71           3027         -              Normal
  03/01/2026 11 PM PST            4.69           3006         -              Normal
  03/02/2026 12 AM PST            4.67           2986         -              Normal
  03/02/2026 01 AM PST            4.64           2955         -              Normal
  03/02/2026 02 AM PST            4.62           2934         -              Normal
  03/02/2026 03 AM PST            4.60           2914         -              Normal
  03/02/2026 04 AM PST            4.59           2904         -              Normal
  03/02/2026 05 AM PST            4.57           2883         -              Normal
  03/02/2026 06 AM PST            4.55           2863         -              Normal
  03/02/2026 07 AM PST            4.54           2853         -              Normal
  03/02/2026 08 AM PST            4.53           2843         -              Normal
  03/02/2026 09 AM PST            4.50           2813         -              Normal
  03/02/2026 10 AM PST            4.49           2803         -              Normal
  03/02/2026 11 AM PST            4.47           2785         -              Normal
  03/02/2026 12 PM PST            4.45           2766         -              Normal
  03/02/2026 01 PM PST            4.43           2747         -              Normal
  03/02/2026 02 PM PST            4.41           2728         -              Normal
  03/02/2026 03 PM PST            4.40           2719         -              Normal
  03/02/2026 04 PM PST            4.39           2710         -              Normal
  03/02/2026 05 PM PST            4.38           2700         -              Normal
  03/02/2026 06 PM PST            4.37           2691         -              Normal
  03/02/2026 07 PM PST            4.34           2663         -              Normal
  03/02/2026 08 PM PST            4.33           2654         -              Normal
  03/02/2026 09 PM PST            4.31           2636         -              Normal
  03/02/2026 10 PM PST            4.29           2617         -              Normal
  03/02/2026 11 PM PST            4.27           2599         -              Normal
  03/03/2026 12 AM PST            4.25           2581         -              Normal
  03/03/2026 01 AM PST            4.24           2572         -              Normal
  03/03/2026 02 AM PST            4.22           2554         -              Normal
  03/03/2026 03 AM PST            4.21           2544         -              Normal
  03/03/2026 04 AM PST            4.19           2526         -              Normal
  03/03/2026 05 AM PST            4.18           2517         -              Normal
  03/03/2026 06 AM PST            4.18           2517         0              Normal
  03/03/2026 07 AM PST            4.16           2499         -              Normal
  03/03/2026 08 AM PST            4.16           2499         0              Normal
  03/03/2026 09 AM PST            4.13           2473         -              Normal
  03/03/2026 10 AM PST            4.12           2464         -              Normal
  03/03/2026 11 AM PST            4.11           2455         -              Normal
  03/03/2026 12 PM PST            4.10           2446         -              Normal
  03/03/2026 01 PM PST            4.09           2437         -              Normal
  03/03/2026 02 PM PST            4.07           2419         -              Normal
  03/03/2026 03 PM PST            4.06           2410         -              Normal
  03/03/2026 04 PM PST            4.04           2393         -              Normal
  03/03/2026 05 PM PST            4.03           2384         -              Normal
  03/03/2026 06 PM PST            4.02           2375         -              Normal
  03/03/2026 07 PM PST            4.01           2366         -              Normal
  03/03/2026 08 PM PST            3.99           2349         -              Normal
  03/03/2026 09 PM PST            3.99           2349         0              Normal
  03/03/2026 10 PM PST            3.96           2323         -              Normal
  03/03/2026 11 PM PST            3.95           2314         -              Normal
  03/04/2026 12 AM PST            3.94           2306         -              Normal
  03/04/2026 01 AM PST            3.92           2288         -              Normal
  03/04/2026 02 AM PST            3.91           2280         -              Normal
  03/04/2026 03 AM PST            3.90           2271         -              Normal
  03/04/2026 04 AM PST            3.89           2262         -              Normal
  03/04/2026 05 AM PST            3.89           2262         0              Normal
  03/04/2026 06 AM PST            3.86           2237         -              Normal
  03/04/2026 07 AM PST            3.86           2237         0              Normal
  03/04/2026 08 AM PST            3.84           2220         -              Normal
  03/04/2026 09 AM PST            3.83           2211         -              Normal
  03/04/2026 10 AM PST            3.83           2211         0              Normal
  03/04/2026 11 AM PST            3.82           2203         -              Normal
  03/04/2026 12 PM PST            3.81           2194         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/04/2026 01 PM PST            3.80           2186                        Normal
  03/04/2026 02 PM PST            3.79           2177         -              Normal
  03/04/2026 03 PM PST            3.78           2169         -              Normal
  03/04/2026 04 PM PST            3.77           2161         -              Normal
  03/04/2026 05 PM PST            3.76           2152         -              Normal
  03/04/2026 06 PM PST            3.75           2144         -              Normal
  03/04/2026 07 PM PST            3.75           2144         0              Normal
  03/04/2026 08 PM PST            3.74           2135         -              Normal
  03/04/2026 09 PM PST            3.73           2127         -              Normal
  03/04/2026 10 PM PST            3.72           2119         -              Normal
  03/04/2026 11 PM PST            3.71           2110         -              Normal
  03/05/2026 12 AM PST            3.70           2102         -              Normal
  03/05/2026 01 AM PST            3.69           2094         -              Normal
  03/05/2026 02 AM PST            3.69           2094         0              Normal
  03/05/2026 03 AM PST            3.68           2086         -              Normal
  03/05/2026 04 AM PST            3.67           2077         -              Normal
  03/05/2026 05 AM PST            3.65           2061         -              Normal
  03/05/2026 06 AM PST            3.64           2053         -              Normal
  03/05/2026 07 AM PST            3.62           2036         -              Normal
  03/05/2026 08 AM PST            3.60           2020         -              Normal
  03/05/2026 09 AM PST            3.58           2004         -              Normal
  03/05/2026 10 AM PST            3.55           1979         -              Normal
  03/05/2026 11 AM PST            3.53           1963         -              Normal
  03/05/2026 12 PM PST            3.50           1939         -              Normal
  03/05/2026 01 PM PST            3.48           1923         -              Normal
  03/05/2026 02 PM PST            3.46           1907         -              Normal
  03/05/2026 03 PM PST            3.44           1891         -              Normal
  03/05/2026 04 PM PST            3.42           1876         -              Normal
  03/05/2026 05 PM PST            3.40           1860         -              Normal
  03/05/2026 06 PM PST            3.38           1844         -              Normal
  03/05/2026 07 PM PST            3.37           1836         -              Normal
  03/05/2026 08 PM PST            3.35           1821         -              Normal
  03/05/2026 09 PM PST            3.34           1813         -              Normal
  03/05/2026 10 PM PST            3.33           1805         -              Normal
  03/05/2026 11 PM PST            3.31           1790         -              Normal
  03/06/2026 12 AM PST            3.30           1782         -              Normal
  03/06/2026 01 AM PST            3.29           1774         -              Normal
  03/06/2026 02 AM PST            3.28           1767         -              Normal
  03/06/2026 03 AM PST            3.27           1759         -              Normal
  03/06/2026 04 AM PST            3.26           1751         -              Normal
  03/06/2026 05 AM PST            3.25           1744         -              Normal
  03/06/2026 06 AM PST            3.24           1736         -              Normal
  03/06/2026 07 AM PST            3.23           1729         -              Normal
  03/06/2026 08 AM PST            3.22           1721         -              Normal
  03/06/2026 09 AM PST            3.21           1713         -              Normal
  03/06/2026 10 AM PST            3.21           1713         0              Normal
  03/06/2026 11 AM PST            3.20           1706         -              Normal
  03/06/2026 12 PM PST            3.19           1698         -              Normal
  03/06/2026 01 PM PST            3.18           1691         -              Normal
  03/06/2026 02 PM PST            3.17           1683         -              Normal
  03/06/2026 03 PM PST            3.17           1683         0              Normal
  03/06/2026 04 PM PST            3.16           1676         -              Normal
  03/06/2026 05 PM PST            3.15           1668         -              Normal
  03/06/2026 06 PM PST            3.15           1668         0              Normal
  03/06/2026 07 PM PST            3.14           1661         -              Normal
  03/06/2026 08 PM PST            3.13           1653         -              Normal
  03/06/2026 09 PM PST            3.12           1646         -              Normal
  03/06/2026 10 PM PST            3.12           1646         0              Normal
  03/06/2026 11 PM PST            3.11           1639         -              Normal
  03/07/2026 12 AM PST            3.10           1631         -              Normal
  03/07/2026 01 AM PST            3.09           1624         -              Normal
  03/07/2026 02 AM PST            3.09           1624         0              Normal
  03/07/2026 03 AM PST            3.08           1616         -              Normal
  03/07/2026 04 AM PST            3.07           1609         -              Normal
  03/07/2026 05 AM PST            3.06           1602         -              Normal
  03/07/2026 06 AM PST            3.06           1602         0              Normal
  03/07/2026 07 AM PST            3.05           1594         -              Normal
  03/07/2026 08 AM PST            3.04           1587         -              Normal
  03/07/2026 09 AM PST            3.04           1587         0              Normal
  03/07/2026 10 AM PST            3.03           1580         -              Normal
  03/07/2026 11 AM PST            3.02           1572         -              Normal
  03/07/2026 12 PM PST            3.02           1572         0              Normal
  03/07/2026 01 PM PST            3.01           1565         -              Normal
  03/07/2026 02 PM PST            3.00           1558         -              Normal
  03/07/2026 03 PM PST            3.00           1558         0              Normal
  03/07/2026 04 PM PST            2.99           1551         -              Normal
  03/07/2026 05 PM PST            2.98           1543         -              Normal
  03/07/2026 06 PM PST            2.98           1543         0              Normal
  03/07/2026 07 PM PST            2.97           1536         -              Normal
  03/07/2026 08 PM PST            2.96           1529         -              Normal
  03/07/2026 09 PM PST            2.96           1529         0              Normal
  03/07/2026 10 PM PST            2.95           1522         -              Normal
  03/07/2026 11 PM PST            2.95           1522         0              Normal
  03/08/2026 12 AM PST            2.94           1515         -              Normal
  03/08/2026 01 AM PST            2.93           1508         -              Normal
  03/08/2026 03 AM PDT            2.93           1508         0              Normal
  03/08/2026 04 AM PDT            2.92           1500         -              Normal
  03/08/2026 05 AM PDT            2.92           1500         0              Normal
  03/08/2026 06 AM PDT            2.91           1493         -              Normal
  03/08/2026 07 AM PDT            2.90           1486         -              Normal
  03/08/2026 08 AM PDT            2.90           1486         0              Normal
  03/08/2026 09 AM PDT            2.89           1479         -              Normal
  03/08/2026 10 AM PDT            2.89           1479         0              Normal
  03/08/2026 11 AM PDT            2.88           1472         -              Normal
  03/08/2026 12 PM PDT            2.87           1465         -              Normal
  03/08/2026 01 PM PDT            2.87           1465         0              Normal
  03/08/2026 02 PM PDT            2.86           1458         -              Normal
  03/08/2026 03 PM PDT            2.86           1458         0              Normal
  03/08/2026 04 PM PDT            2.85           1451         -              Normal
  03/08/2026 05 PM PDT            2.85           1451         0              Normal
  03/08/2026 06 PM PDT            2.84           1444         -              Normal
  03/08/2026 07 PM PDT            2.83           1437         -              Normal
  03/08/2026 08 PM PDT            2.83           1437         0              Normal
  03/08/2026 09 PM PDT            2.82           1430         -              Normal
  03/08/2026 10 PM PDT            2.82           1430         0              Normal
  03/08/2026 11 PM PDT            2.81           1423         -              Normal
  03/09/2026 12 AM PDT            2.81           1423         0              Normal
  03/09/2026 01 AM PDT            2.80           1416         -              Normal
  03/09/2026 02 AM PDT            2.79           1409         -              Normal
  03/09/2026 03 AM PDT            2.79           1409         0              Normal
  03/09/2026 04 AM PDT            2.78           1402         -              Normal
  03/09/2026 05 AM PDT            2.78           1402         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.