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">MATTOLE RIVER - ETTERSBURG (ETTC1)
Latitude: 40.14º N Longitude: 123.99º W Elevation: 579 Feet
Location: Humboldt County in California Bulletin Group: North Coast River Group: North Coast
Issuance Time: Feb 01 2026 at 7:09 AM PST Next Issuance: Feb 02 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 River - Ettersburg (ETTC1) 02/01/2026 at 07:12 AM PST Date & Time of Maximum Observed: 01/27/2026 at 10:00 PM PST 10.31 Feet 207 cfs & Time of Maximum Forecast: 02/01/2026 at 08:00 AM PST 9.68 Feet 81 cfs Stage (Feet) Flow (cfs) Trend Observed Status ------------------------------------------------------------- 9.80 100 Not Applicable 9.80 100 0 Not Applicable 9.80 100 0 Not Applicable 9.79 98 - Not Applicable 9.79 98 0 Not Applicable 9.79 98 0 Not Applicable 9.79 98 0 Not Applicable 9.79 98 0 Not Applicable 9.82 103 + Not Applicable 9.89 116 + Not Applicable 9.95 128 + Not Applicable 10.04 146 + Not Applicable 10.11 161 + Not Applicable 10.19 179 + Not Applicable 10.26 195 + Not Applicable 10.31 207 + Not Applicable 10.30 204 - Not Applicable 10.27 197 - Not Applicable 10.24 190 - Not Applicable 10.19 179 - Not Applicable 10.16 172 - Not Applicable 10.12 163 - Not Applicable 10.09 156 - Not Applicable 10.06 150 - Not Applicable 10.03 144 - Not Applicable 10.01 140 - Not Applicable 9.99 136 - Not Applicable 9.97 132 - Not Applicable 9.95 128 - Not Applicable 9.94 126 - Not Applicable 9.93 124 - Not Applicable 9.92 122 - Not Applicable 9.91 120 - Not Applicable 9.90 118 - Not Applicable 9.89 116 - Not Applicable 9.89 116 0 Not Applicable 9.88 114 - Not Applicable 9.87 112 - Not Applicable 9.86 110 - Not Applicable 9.86 110 0 Not Applicable 9.85 109 - Not Applicable 9.85 109 0 Not Applicable 9.84 107 - Not Applicable 9.84 107 0 Not Applicable 9.83 105 - Not Applicable 9.83 105 0 Not Applicable 9.83 105 0 Not Applicable 9.82 103 - Not Applicable 9.82 103 0 Not Applicable 9.81 101 - Not Applicable 9.81 101 0 Not Applicable 9.81 101 0 Not Applicable 9.81 101 0 Not Applicable 9.81 101 0 Not Applicable 9.80 100 - Not Applicable 9.80 100 0 Not Applicable 9.80 100 0 Not Applicable 9.80 100 0 Not Applicable 9.80 100 0 Not Applicable 9.79 98 - Not Applicable 9.79 98 0 Not Applicable 9.79 98 0 Not Applicable 9.78 96 - Not Applicable 9.78 96 0 Not Applicable 9.78 96 0 Not Applicable 9.77 95 - Not Applicable 9.77 95 0 Not Applicable 9.77 95 0 Not Applicable 9.77 95 0 Not Applicable 9.76 93 - Not Applicable 9.76 93 0 Not Applicable 9.76 93 0 Not Applicable 9.76 93 0 Not Applicable 9.76 93 0 Not Applicable 9.75 92 - Not Applicable 9.75 92 0 Not Applicable 9.75 92 0 Not Applicable 9.75 92 0 Not Applicable 9.75 92 0 Not Applicable 9.74 90 - Not Applicable 9.75 92 + Not Applicable 9.74 90 - Not Applicable 9.74 90 0 Not Applicable 9.74 90 0 Not Applicable 9.74 90 0 Not Applicable 9.73 89 - Not Applicable 9.73 89 0 Not Applicable 9.73 89 0 Not Applicable 9.73 89 0 Not Applicable 9.73 89 0 Not Applicable 9.72 87 - Not Applicable 9.72 87 0 Not Applicable 9.72 87 0 Not Applicable 9.71 86 - Not Applicable 9.71 86 0 Not Applicable 9.71 86 0 Not Applicable 9.71 86 0 Not Applicable 9.71 86 0 Not Applicable 9.71 86 0 Not Applicable 9.71 86 0 Not Applicable 9.71 86 0 Not Applicable 9.71 86 0 Not Applicable 9.71 86 0 Not Applicable 9.70 84 - Not Applicable 9.70 84 0 Not Applicable 9.71 86 + Not Applicable 9.70 84 - Not Applicable 9.71 86 + Not Applicable 9.69 83 - Not Applicable 9.70 84 + Not Applicable 9.69 83 - Not Applicable 9.69 83 0 Not Applicable 9.69 83 0 Not Applicable 9.69 83 0 Not Applicable 9.68 81 - Not Applicable 9.68 81 0 Not Applicable 9.68 81 0 Not Applicable 9.68 81 0 Not Applicable 9.68 81 0 Not Applicable 9.68 81 0 Not Applicable 9.68 81 0 Not Applicable Stage (Feet) Flow (cfs) Trend Forecast Status ------------------------------------------------------------- 9.68 81 Not Applicable 9.68 81 0 Not Applicable 9.68 81 0 Not Applicable 9.68 81 0 Not Applicable 9.67 80 - Not Applicable 9.67 80 0 Not Applicable 9.67 80 0 Not Applicable 9.67 80 0 Not Applicable 9.67 80 0 Not Applicable 9.67 80 0 Not Applicable 9.67 80 0 Not Applicable 9.67 80 0 Not Applicable 9.67 80 0 Not Applicable 9.67 80 0 Not Applicable 9.67 80 0 Not Applicable 9.66 79 - Not Applicable 9.66 79 0 Not Applicable 9.66 79 0 Not Applicable 9.66 79 0 Not Applicable 9.66 79 0 Not Applicable 9.66 79 0 Not Applicable 9.66 79 0 Not Applicable 9.66 79 0 Not Applicable 9.66 79 0 Not Applicable 9.65 78 - Not Applicable 9.65 78 0 Not Applicable 9.65 78 0 Not Applicable 9.65 78 0 Not Applicable 9.65 78 0 Not Applicable 9.65 78 0 Not Applicable 9.65 78 0 Not Applicable 9.65 78 0 Not Applicable 9.65 78 0 Not Applicable 9.65 78 0 Not Applicable 9.65 78 0 Not Applicable 9.65 78 0 Not Applicable 9.64 76 - Not Applicable 9.64 76 0 Not Applicable 9.64 76 0 Not Applicable 9.64 76 0 Not Applicable 9.64 76 0 Not Applicable 9.64 76 0 Not Applicable 9.64 76 0 Not Applicable 9.64 76 0 Not Applicable 9.64 76 0 Not Applicable 9.64 76 0 Not Applicable 9.64 76 0 Not Applicable 9.64 76 0 Not Applicable 9.64 76 0 Not Applicable 9.63 75 - Not Applicable 9.63 75 0 Not Applicable 9.63 75 0 Not Applicable 9.63 75 0 Not Applicable 9.63 75 0 Not Applicable 9.63 75 0 Not Applicable 9.63 75 0 Not Applicable 9.63 75 0 Not Applicable 9.63 75 0 Not Applicable 9.63 75 0 Not Applicable 9.63 75 0 Not Applicable 9.63 75 0 Not Applicable 9.63 75 0 Not Applicable 9.62 74 - Not Applicable 9.62 74 0 Not Applicable 9.62 74 0 Not Applicable 9.62 74 0 Not Applicable 9.62 74 0 Not Applicable 9.62 74 0 Not Applicable 9.62 74 0 Not Applicable 9.62 74 0 Not Applicable 9.62 74 0 Not Applicable 9.62 74 0 Not Applicable 9.62 74 0 Not Applicable 9.62 74 0 Not Applicable 9.62 74 0 Not Applicable 9.62 74 0 Not Applicable 9.62 74 0 Not Applicable 9.62 74 0 Not Applicable 9.61 72 - Not Applicable 9.61 72 0 Not Applicable 9.61 72 0 Not Applicable 9.61 72 0 Not Applicable 9.61 72 0 Not Applicable 9.61 72 0 Not Applicable 9.61 72 0 Not Applicable 9.61 72 0 Not Applicable 9.61 72 0 Not Applicable 9.61 72 0 Not Applicable 9.61 72 0 Not Applicable 9.61 72 0 Not Applicable 9.61 72 0 Not Applicable 9.61 72 0 Not Applicable 9.61 72 0 Not Applicable 9.60 71 - Not Applicable 9.60 71 0 Not Applicable 9.60 71 0 Not Applicable 9.60 71 0 Not Applicable 9.60 71 0 Not Applicable 9.60 71 0 Not Applicable 9.60 71 0 Not Applicable 9.60 71 0 Not Applicable 9.60 71 0 Not Applicable 9.60 71 0 Not Applicable 9.60 71 0 Not Applicable 9.60 71 0 Not Applicable 9.60 71 0 Not Applicable 9.60 71 0 Not Applicable 9.60 71 0 Not Applicable 9.60 71 0 Not Applicable 9.59 70 - Not Applicable 9.59 70 0 Not Applicable 9.59 70 0 Not Applicable 9.59 70 0 Not Applicable 9.59 70 0 Not Applicable 9.59 70 0 Not Applicable 9.59 70 0 Not Applicable 9.59 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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