CNRFC - Hydrology - River Guidance - Tabular Data

Location:

# NOTE 1: # NOTE 2: # NOTE 3: # NOTE 4:

KLAMATHRUSNAPSOUTHBAYSALINASSOCALSANDIEGOUPRSACLWRSACFTHRYUBAAMERICANCAPUTAHTULARESANJOAQNSANJOAQESIERRAHUMBOLDT = window.location.search; = new URLSearchParams(queryString); = window.location.href.split('?')[0] + "?" + urlParams.toString(); class="head">SOUTH FORK GUALALA RIVER - SEA RANCH (GSRC1)
Latitude: 38.71º N Longitude: 123.43º W Elevation: 40 Feet Forecast Type: Unofficial Location
Location: Sonoma County in California Bulletin Group: Russian Napa River Group: Russian Napa
Issuance Time: Feb 28 2026 at 7:42 AM PST Next Issuance: Mar 01 2026 at 9:00 AM PST width="16%">
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A

# Tabular Observed and Forecast Hydrograph Information Fork Gualala River - Sea Ranch (GSRC1) 02/28/2026 at 07:44 AM PST Date & Time of Maximum Observed: 02/25/2026 at 12:00 AM PST 22.33 Feet 10744 cfs & Time of Maximum Forecast: 02/28/2026 at 08:00 AM PST 8.41 Feet 887 cfs Stage (Feet) Flow (cfs) Trend Observed Status ------------------------------------------------------------- 8.58 968 Not Applicable 8.58 968 0 Not Applicable 8.57 964 - Not Applicable 8.56 959 - Not Applicable 8.53 944 - Not Applicable 8.51 935 - Not Applicable 8.48 921 - Not Applicable 8.45 907 - Not Applicable 8.42 893 - Not Applicable 8.38 871 - Not Applicable 8.34 849 - Not Applicable 8.30 828 - Not Applicable 8.28 818 - Not Applicable 8.26 807 - Not Applicable 8.24 797 - Not Applicable 8.20 777 - Not Applicable 8.21 782 + Not Applicable 8.20 777 - Not Applicable 8.21 782 + Not Applicable 8.24 797 + Not Applicable 8.28 818 + Not Applicable 8.37 865 + Not Applicable 8.51 935 + Not Applicable 8.68 1017 + Not Applicable 8.92 1122 + Not Applicable 9.24 1283 + Not Applicable 9.58 1450 + Not Applicable 10.02 1677 + Not Applicable 10.49 1933 + Not Applicable 10.90 2168 + Not Applicable 11.33 2402 + Not Applicable 11.89 2709 + Not Applicable 12.68 3166 + Not Applicable 13.68 3784 + Not Applicable 14.86 4566 + Not Applicable 16.08 5434 + Not Applicable 17.45 6477 + Not Applicable 18.89 7649 + Not Applicable 20.26 8833 + Not Applicable 21.24 9719 + Not Applicable 21.99 10420 + Not Applicable 22.33 10744 + Not Applicable 22.14 10562 - Not Applicable 21.69 10137 - Not Applicable 20.98 9481 - Not Applicable 20.15 8735 - Not Applicable 19.35 8039 - Not Applicable 18.58 7390 - Not Applicable 17.84 6787 - Not Applicable 17.21 6290 - Not Applicable 16.61 5829 - Not Applicable 16.12 5464 - Not Applicable 15.62 5100 - Not Applicable 15.21 4809 - Not Applicable 14.86 4566 - Not Applicable 14.46 4295 - Not Applicable 14.14 4082 - Not Applicable 13.82 3874 - Not Applicable 13.57 3714 - Not Applicable 13.26 3519 - Not Applicable 13.03 3377 - Not Applicable 12.80 3238 - Not Applicable 12.59 3112 - Not Applicable 12.40 3001 - Not Applicable 12.20 2885 - Not Applicable 12.01 2776 - Not Applicable 11.89 2709 - Not Applicable 11.73 2620 - Not Applicable 11.57 2531 - Not Applicable 11.44 2461 - Not Applicable 11.29 2380 - Not Applicable 11.17 2317 - Not Applicable 11.06 2259 - Not Applicable 10.92 2180 - Not Applicable 10.84 2133 - Not Applicable 10.74 2075 - Not Applicable 10.61 2001 - Not Applicable 10.51 1945 - Not Applicable 10.46 1917 - Not Applicable 10.36 1861 - Not Applicable 10.28 1817 - Not Applicable 10.18 1763 - Not Applicable 10.11 1725 - Not Applicable 10.03 1682 - Not Applicable 9.93 1629 - Not Applicable 9.87 1598 - Not Applicable 9.78 1551 - Not Applicable 9.74 1531 - Not Applicable 9.66 1490 - Not Applicable 9.59 1455 - Not Applicable 9.56 1440 - Not Applicable 9.50 1410 - Not Applicable 9.43 1375 - Not Applicable 9.38 1351 - Not Applicable 9.32 1322 - Not Applicable 9.28 1302 - Not Applicable 9.22 1274 - Not Applicable 9.17 1248 - Not Applicable 9.13 1227 - Not Applicable 9.09 1206 - Not Applicable 9.04 1179 - Not Applicable 9.01 1164 - Not Applicable 8.97 1143 - Not Applicable 8.92 1122 - Not Applicable 8.90 1114 - Not Applicable 8.88 1105 - Not Applicable 8.82 1081 - Not Applicable 8.78 1064 - Not Applicable 8.76 1056 - Not Applicable 8.72 1037 - Not Applicable 8.68 1017 - Not Applicable 8.65 1003 - Not Applicable 8.62 988 - Not Applicable 8.60 978 - Not Applicable 8.57 964 - Not Applicable 8.53 944 - Not Applicable 8.52 940 - Not Applicable 8.49 925 - Not Applicable 8.47 916 - Not Applicable 8.45 907 - Not Applicable 8.43 898 - Not Applicable Stage (Feet) Flow (cfs) Trend Forecast Status ------------------------------------------------------------- 8.41 887 Not Applicable 8.39 876 - Not Applicable 8.37 865 - Not Applicable 8.35 855 - Not Applicable 8.34 849 - Not Applicable 8.32 839 - Not Applicable 8.30 828 - Not Applicable 8.28 818 - Not Applicable 8.27 812 - Not Applicable 8.25 802 - Not Applicable 8.23 792 - Not Applicable 8.21 782 - Not Applicable 8.19 772 - Not Applicable 8.18 767 - Not Applicable 8.16 757 - Not Applicable 8.14 747 - Not Applicable 8.12 737 - Not Applicable 8.11 732 - Not Applicable 8.09 723 - Not Applicable 8.07 713 - Not Applicable 8.05 703 - Not Applicable 8.03 694 - Not Applicable 8.02 689 - Not Applicable 8.00 680 - Not Applicable 7.98 671 - Not Applicable 7.96 662 - Not Applicable 7.94 653 - Not Applicable 7.92 644 - Not Applicable 7.91 639 - Not Applicable 7.89 630 - Not Applicable 7.87 622 - Not Applicable 7.85 613 - Not Applicable 7.83 604 - Not Applicable 7.81 596 - Not Applicable 7.79 587 - Not Applicable 7.78 583 - Not Applicable 7.76 575 - Not Applicable 7.74 567 - Not Applicable 7.72 558 - Not Applicable 7.70 550 - Not Applicable 7.68 542 - Not Applicable 7.66 534 - Not Applicable 7.65 530 - Not Applicable 7.63 523 - Not Applicable 7.61 515 - Not Applicable 7.59 507 - Not Applicable 7.57 499 - Not Applicable 7.56 496 - Not Applicable 7.55 492 - Not Applicable 7.54 488 - Not Applicable 7.53 484 - Not Applicable 7.53 484 0 Not Applicable 7.52 481 - Not Applicable 7.51 477 - Not Applicable 7.50 473 - Not Applicable 7.50 473 0 Not Applicable 7.49 470 - Not Applicable 7.48 466 - Not Applicable 7.47 463 - Not Applicable 7.46 459 - Not Applicable 7.46 459 0 Not Applicable 7.45 455 - Not Applicable 7.44 452 - Not Applicable 7.43 448 - Not Applicable 7.43 448 0 Not Applicable 7.42 445 - Not Applicable 7.41 441 - Not Applicable 7.40 438 - Not Applicable 7.40 438 0 Not Applicable 7.39 434 - Not Applicable 7.38 431 - Not Applicable 7.38 431 0 Not Applicable 7.37 427 - Not Applicable 7.36 424 - Not Applicable 7.35 421 - Not Applicable 7.35 421 0 Not Applicable 7.34 417 - Not Applicable 7.33 414 - Not Applicable 7.33 414 0 Not Applicable 7.32 410 - Not Applicable 7.31 407 - Not Applicable 7.31 407 0 Not Applicable 7.30 404 - Not Applicable 7.29 401 - Not Applicable 7.29 401 0 Not Applicable 7.28 397 - Not Applicable 7.27 394 - Not Applicable 7.27 394 0 Not Applicable 7.26 391 - Not Applicable 7.25 388 - Not Applicable 7.25 388 0 Not Applicable 7.24 384 - Not Applicable 7.23 381 - Not Applicable 7.23 381 0 Not Applicable 7.22 378 - Not Applicable 7.22 378 0 Not Applicable 7.21 375 - Not Applicable 7.20 372 - Not Applicable 7.20 372 0 Not Applicable 7.19 369 - Not Applicable 7.18 365 - Not Applicable 7.18 365 0 Not Applicable 7.17 362 - Not Applicable 7.17 362 0 Not Applicable 7.16 359 - Not Applicable 7.16 359 0 Not Applicable 7.15 356 - Not Applicable 7.14 353 - Not Applicable 7.14 353 0 Not Applicable 7.13 350 - Not Applicable 7.13 350 0 Not Applicable 7.12 347 - Not Applicable 7.12 347 0 Not Applicable 7.11 344 - Not Applicable 7.10 341 - Not Applicable 7.10 341 0 Not Applicable 7.09 338 - Not Applicable Stages are rounded to the nearest hundredth (.01) of a foot. Flows are rounded to the nearest (1) cfs. Trends are determined using hourly change in unrounded stage and flow. Maximum Values are determined using unrounded stage and flow. End Web Content -->
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