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: Apr 21 2026 at 7:32 AM PDT Next Issuance: Apr 22 2026 at 9:00 AM PDT 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) 04/21/2026 at 07:34 AM PDT Date & Time of Maximum Observed: 04/21/2026 at 07:00 AM PDT 6.73 Feet 260 cfs & Time of Maximum Forecast: 04/21/2026 at 07:00 PM PDT 7.11 Feet 351 cfs Stage (Feet) Flow (cfs) Trend Observed Status ------------------------------------------------------------- 5.73 97 Not Applicable 5.72 96 - Not Applicable 5.71 95 - Not Applicable 5.71 95 0 Not Applicable 5.71 95 0 Not Applicable 5.70 94 - Not Applicable 5.70 94 0 Not Applicable 5.69 92 - Not Applicable 5.69 92 0 Not Applicable 5.69 92 0 Not Applicable 5.68 91 - Not Applicable 5.68 91 0 Not Applicable 5.67 90 - Not Applicable 5.67 90 0 Not Applicable 5.67 90 0 Not Applicable 5.66 88 - Not Applicable 5.66 88 0 Not Applicable 5.66 88 0 Not Applicable 5.65 87 - Not Applicable 5.65 87 0 Not Applicable 5.64 86 - Not Applicable 5.64 86 0 Not Applicable 5.63 84 - Not Applicable 5.63 84 0 Not Applicable 5.62 83 - Not Applicable 5.62 83 0 Not Applicable 5.62 83 0 Not Applicable 5.61 82 - Not Applicable 5.60 81 - Not Applicable 5.61 82 + Not Applicable 5.60 81 - Not Applicable 5.59 79 - Not Applicable 5.58 78 - Not Applicable 5.58 78 0 Not Applicable 5.57 77 - Not Applicable 5.57 77 0 Not Applicable 5.57 77 0 Not Applicable 5.58 78 + Not Applicable 5.57 77 - Not Applicable 5.57 77 0 Not Applicable 5.57 77 0 Not Applicable 5.56 76 - Not Applicable 5.56 76 0 Not Applicable 5.56 76 0 Not Applicable 5.56 76 0 Not Applicable 5.56 76 0 Not Applicable 5.55 75 - Not Applicable 5.55 75 0 Not Applicable 5.54 73 - Not Applicable 5.54 73 0 Not Applicable 5.53 72 - Not Applicable 5.52 71 - Not Applicable 5.52 71 0 Not Applicable 5.52 71 0 Not Applicable 5.52 71 0 Not Applicable 5.52 71 0 Not Applicable 5.52 71 0 Not Applicable 5.51 70 - Not Applicable 5.50 69 - Not Applicable 5.50 69 0 Not Applicable 5.51 70 + Not Applicable 5.50 69 - Not Applicable 5.50 69 0 Not Applicable 5.50 69 0 Not Applicable 5.50 69 0 Not Applicable 5.50 69 0 Not Applicable 5.50 69 0 Not Applicable 5.50 69 0 Not Applicable 5.49 68 - Not Applicable 5.49 68 0 Not Applicable 5.49 68 0 Not Applicable 5.49 68 0 Not Applicable 5.49 68 0 Not Applicable 5.49 68 0 Not Applicable 5.48 66 - Not Applicable 5.48 66 0 Not Applicable 5.47 65 - Not Applicable 5.47 65 0 Not Applicable 5.46 64 - Not Applicable 5.46 64 0 Not Applicable 5.47 65 + Not Applicable 5.47 65 0 Not Applicable 5.46 64 - Not Applicable 5.46 64 0 Not Applicable 5.46 64 0 Not Applicable 5.46 64 0 Not Applicable 5.46 64 0 Not Applicable 5.45 63 - Not Applicable 5.45 63 0 Not Applicable 5.45 63 0 Not Applicable 5.45 63 0 Not Applicable 5.45 63 0 Not Applicable 5.45 63 0 Not Applicable 5.45 63 0 Not Applicable 5.45 63 0 Not Applicable 5.46 64 + Not Applicable 5.47 65 + Not Applicable 5.49 68 + Not Applicable 5.50 69 + Not Applicable 5.52 71 + Not Applicable 5.54 73 + Not Applicable 5.56 76 + Not Applicable 5.59 79 + Not Applicable 5.61 82 + Not Applicable 5.63 84 + Not Applicable 5.65 87 + Not Applicable 5.67 90 + Not Applicable 5.70 94 + Not Applicable 5.74 98 + Not Applicable 5.77 102 + Not Applicable 5.81 107 + Not Applicable 5.86 113 + Not Applicable 5.91 119 + Not Applicable 5.98 129 + Not Applicable 6.04 137 + Not Applicable 6.15 153 + Not Applicable 6.26 171 + Not Applicable 6.34 185 + Not Applicable 6.58 229 + Not Applicable 6.70 254 + Not Applicable 6.73 260 + Not Applicable Stage (Feet) Flow (cfs) Trend Forecast Status ------------------------------------------------------------- 6.71 256 Not Applicable 6.67 248 - Not Applicable 6.67 248 0 Not Applicable 6.66 246 - Not Applicable 6.66 246 0 Not Applicable 6.71 256 + Not Applicable 6.81 278 + Not Applicable 6.93 306 + Not Applicable 7.08 344 + Not Applicable 7.09 346 + Not Applicable 7.10 349 + Not Applicable 7.11 351 + Not Applicable 7.10 349 - Not Applicable 7.09 346 - Not Applicable 7.08 344 - Not Applicable 7.05 336 - Not Applicable 7.01 326 - Not Applicable 6.95 311 - Not Applicable 6.88 294 - Not Applicable 6.79 274 - Not Applicable 6.70 254 - Not Applicable 6.62 237 - Not Applicable 6.58 229 - Not Applicable 6.57 227 - Not Applicable 6.62 237 + Not Applicable 6.71 256 + Not Applicable 6.82 280 + Not Applicable 6.91 301 + Not Applicable 6.97 316 + Not Applicable 6.99 321 + Not Applicable 6.98 318 - Not Applicable 6.93 306 - Not Applicable 6.86 290 - Not Applicable 6.77 269 - Not Applicable 6.66 246 - Not Applicable 6.58 229 - Not Applicable 6.49 212 - Not Applicable 6.40 195 - Not Applicable 6.31 179 - Not Applicable 6.23 166 - Not Applicable 6.16 155 - Not Applicable 6.09 144 - Not Applicable 6.03 136 - Not Applicable 5.98 129 - Not Applicable 5.93 122 - Not Applicable 5.89 117 - Not Applicable 5.86 113 - Not Applicable 5.83 109 - Not Applicable 5.80 106 - Not Applicable 5.78 103 - Not Applicable 5.76 101 - Not Applicable 5.74 98 - Not Applicable 5.72 96 - Not Applicable 5.71 95 - Not Applicable 5.70 94 - Not Applicable 5.69 92 - Not Applicable 5.68 91 - Not Applicable 5.67 90 - Not Applicable 5.67 90 0 Not Applicable 5.66 88 - Not Applicable 5.66 88 0 Not Applicable 5.65 87 - Not Applicable 5.64 86 - Not Applicable 5.64 86 0 Not Applicable 5.64 86 0 Not Applicable 5.63 84 - Not Applicable 5.63 84 0 Not Applicable 5.63 84 0 Not Applicable 5.62 83 - Not Applicable 5.62 83 0 Not Applicable 5.62 83 0 Not Applicable 5.61 82 - Not Applicable 5.61 82 0 Not Applicable 5.61 82 0 Not Applicable 5.61 82 0 Not Applicable 5.60 81 - Not Applicable 5.60 81 0 Not Applicable 5.60 81 0 Not Applicable 5.59 79 - Not Applicable 5.59 79 0 Not Applicable 5.59 79 0 Not Applicable 5.59 79 0 Not Applicable 5.59 79 0 Not Applicable 5.58 78 - Not Applicable 5.58 78 0 Not Applicable 5.58 78 0 Not Applicable 5.58 78 0 Not Applicable 5.57 77 - Not Applicable 5.57 77 0 Not Applicable 5.57 77 0 Not Applicable 5.57 77 0 Not Applicable 5.57 77 0 Not Applicable 5.56 76 - Not Applicable 5.56 76 0 Not Applicable 5.56 76 0 Not Applicable 5.56 76 0 Not Applicable 5.55 75 - Not Applicable 5.55 75 0 Not Applicable 5.55 75 0 Not Applicable 5.55 75 0 Not Applicable 5.55 75 0 Not Applicable 5.54 73 - Not Applicable 5.54 73 0 Not Applicable 5.54 73 0 Not Applicable 5.54 73 0 Not Applicable 5.54 73 0 Not Applicable 5.53 72 - Not Applicable 5.53 72 0 Not Applicable 5.53 72 0 Not Applicable 5.53 72 0 Not Applicable 5.53 72 0 Not Applicable 5.52 71 - Not Applicable 5.52 71 0 Not Applicable 5.52 71 0 Not Applicable 5.52 71 0 Not Applicable 5.52 71 0 Not Applicable 5.51 70 - Not Applicable 5.51 70 0 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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